wpuf-functions.php

<?php

use WeDevs\Wpuf\Admin\Subscription;
use WeDevs\Wpuf\Encryption_Helper;
use WeDevs\Wpuf\Free\Pro_Prompt;
use WeDevs\Wpuf\Frontend\Payment;

/**
 * Start output buffering
 *
 * This is needed for redirecting to post when a new post has made
 *
 * @since 0.8
 */
function wpuf_buffer_start() {
    ob_start();
}

add_action( 'init', 'wpuf_buffer_start' );

/**
 * Format the post status for user dashboard
 *
 * @param string $status
 *
 * @since version 0.1
 *
 * @author Tareq Hasan
 */
function wpuf_show_post_status( $status ) {
    if ( 'publish' === $status ) {
        $title     = __( 'Live', 'wp-user-frontend' );
        $fontcolor = '#33CC33';
    } elseif ( 'draft' === $status ) {
        $title     = __( 'Offline', 'wp-user-frontend' );
        $fontcolor = '#bbbbbb';
    } elseif ( 'pending' === $status ) {
        $title     = __( 'Awaiting Approval', 'wp-user-frontend' );
        $fontcolor = '#C00202';
    } elseif ( 'future' === $status ) {
        $title     = __( 'Scheduled', 'wp-user-frontend' );
        $fontcolor = '#bbbbbb';
    } elseif ( 'private' === $status ) {
        $title     = __( 'Private', 'wp-user-frontend' );
        $fontcolor = '#bbbbbb';
    }

    $show_status = '<span style="color:' . $fontcolor . ';">' . $title . '</span>';
    echo wp_kses_post( apply_filters( 'wpuf_show_post_status', $show_status, $status ) );
}

/**
 * Format the post status for user dashboard
 *
 * @param string $status
 *
 * @since version 0.1
 *
 * @author Tareq Hasan
 */
function wpuf_admin_post_status( $status ) {
    if ( 'publish' === $status ) {
        $title     = __( 'Published', 'wp-user-frontend' );
        $fontcolor = '#009200';
    } elseif ( 'draft' === $status || 'private' === $status ) {
        $title     = __( 'Draft', 'wp-user-frontend' );
        $fontcolor = '#bbbbbb';
    } elseif ( 'pending' === $status ) {
        $title     = __( 'Pending', 'wp-user-frontend' );
        $fontcolor = '#C00202';
    } elseif ( 'future' === $status ) {
        $title     = __( 'Scheduled', 'wp-user-frontend' );
        $fontcolor = '#bbbbbb';
    }

    echo wp_kses_post( '<span style="color:' . $fontcolor . ';">' . $title . '</span>' );
}

/**
 * Upload the files to the post as attachemnt
 *
 * @param <type> $post_id
 */
function wpuf_upload_attachment( $post_id ) {
    if ( ! isset( $_FILES['wpuf_post_attachments'] ) ) {
        return false;
    }

    $fields = (int) wpuf_get_option( 'attachment_num' );

    $wpuf_post_attachments = isset( $_FILES['wpuf_post_attachments'] ) ? array_map( 'sanitize_text_field', wp_unslash( $_FILES['wpuf_post_attachments'] ) ) : [];

    for ( $i = 0; $i < $fields; $i++ ) {
        $file_name = basename( $wpuf_post_attachments['name'][ $i ] );

        if ( $file_name ) {
            if ( $file_name ) {
                $upload = [
                    'name'     => $wpuf_post_attachments['name'][ $i ],
                    'type'     => $wpuf_post_attachments['type'][ $i ],
                    'tmp_name' => $wpuf_post_attachments['tmp_name'][ $i ],
                    'error'    => $wpuf_post_attachments['error'][ $i ],
                    'size'     => $wpuf_post_attachments['size'][ $i ],
                ];

                wp_handle_upload( $upload );
            }//file exists
        }// end for
    }
}

/**
 * Get the attachments of a post
 *
 * @param int $post_id
 *
 * @return array attachment list
 */
function wpfu_get_attachments( $post_id ) {
    $att_list = [];

    $args = [
        'post_type'   => 'attachment',
        'numberposts' => -1,
        'post_status' => null,
        'post_parent' => $post_id,
        'order'       => 'ASC',
        'orderby'     => 'menu_order',
    ];

    $attachments = get_posts( $args );

    foreach ( $attachments as $attachment ) {
        $att_list[] = [
            'id'    => $attachment->ID,
            'title' => $attachment->post_title,
            'url'   => wp_get_attachment_url( $attachment->ID ),
            'mime'  => $attachment->post_mime_type,
        ];
    }

    return $att_list;
}

/**
 * Remove the mdedia upload tabs from subscribers
 *
 * @author Tareq Hasan
 */
function wpuf_unset_media_tab( $list ) {
    if ( ! current_user_can( 'edit_posts' ) ) {
        unset( $list['library'] );
        unset( $list['gallery'] );
    }

    return $list;
}

add_filter( 'media_upload_tabs', 'wpuf_unset_media_tab' );

/**
 * Get the registered post types
 *
 * @return array
 */
function wpuf_get_post_types( $args = [] ) {
    $defaults = [];

    $args = wp_parse_args( $args, $defaults );

    $post_types = get_post_types( $args );

    $ignore_post_types = [
        'attachment',
        'revision',
        'nav_menu_item',
    ];

    foreach ( $post_types as $key => $val ) {
        if ( in_array( $val, $ignore_post_types, true ) ) {
            unset( $post_types[ $key ] );
        }
    }

    return apply_filters( 'wpuf_get_post_types', $post_types );
}

/**
 * Get lists of users from database
 *
 * @return array
 */
function wpuf_list_users() {
    global $wpdb;

    $users = $wpdb->get_results( "SELECT ID, user_login from $wpdb->users" );

    $list = [];

    if ( $users ) {
        foreach ( $users as $user ) {
            $list[ $user->ID ] = $user->user_login;
        }
    }

    return $list;
}

/**
 * Retrieve or display list of posts as a dropdown (select list).
 *
 * @return string HTML content, if not displaying
 */
function wpuf_get_pages( $post_type = 'page' ) {
    $array = [ '' => __( '&mdash; Select &mdash;', 'wp-user-frontend' ) ];
    $pages = get_posts(
        [
            'post_type'              => $post_type,
            'numberposts'            => - 1,
            'no_found_rows'          => true,
            'update_post_meta_cache' => false,
            'update_post_term_cache' => false,
        ]
    );

    if ( $pages ) {
        foreach ( $pages as $page ) {
            $array[ $page->ID ] = esc_attr( $page->post_title );
        }
    }

    return $array;
}

/**
 * Edit post link for frontend
 *
 * @since 0.7
 *
 * @param string $url     url of the original post edit link
 * @param int    $post_id
 *
 * @return string url of the current edit post page
 */
function wpuf_override_admin_edit_link( $url, $post_id ) {
    if ( is_admin() ) {
        return $url;
    }

    $override = wpuf_get_option( 'override_editlink', 'wpuf_general', 'no' );

    if ( $override === 'yes' ) {
        $url = '';

        if ( 'yes' === wpuf_get_option( 'enable_post_edit', 'wpuf_dashboard', 'yes' ) ) {
            $edit_page = (int) wpuf_get_option( 'edit_page_id', 'wpuf_frontend_posting' );
            $url       = get_permalink( $edit_page );

            $url = wp_nonce_url( $url . '?pid=' . $post_id, 'wpuf_edit' );
        }
    }

    return apply_filters( 'wpuf_front_post_edit_link', $url );
}

add_filter( 'get_edit_post_link', 'wpuf_override_admin_edit_link', 10, 2 );

/**
 * Create HTML dropdown list of Categories.
 *
 * @since 2.1.0
 *
 * @uses Walker
 */
class WPUF_Walker_Category_Multi extends Walker {

    /**
     * @see Walker::$tree_type
     *
     * @var string
     */
    public $tree_type = 'category';

    /**
     * @see Walker::$db_fields
     *
     * @var array
     */
    public $db_fields = [
        'parent' => 'parent',
        'id' => 'term_id',
    ];

    /**
     * @see Walker::start_el()
     *
     * @param string $output   Passed by reference. Used to append additional content.
     * @param object $category category data object
     * @param int    $depth    Depth of category. Used for padding.
     * @param array  $args     uses 'selected' and 'show_count' keys, if they exist
     */
    public function start_el( &$output, $category, $depth = 0, $args = [], $id = 0 ) {
        $pad = str_repeat( '&nbsp;', $depth * 3 );

        $cat_name = apply_filters( 'list_cats', $category->name, $category );
        $output .= "\t<option class=\"level-$depth\" value=\"" . $category->term_id . '"';

        if ( in_array( $category->term_id, $args['selected'], true ) ) {
            $output .= ' selected="selected"';
        }

        $output .= '>';
        $output .= $pad . $cat_name;

        if ( $args['show_count'] ) {
            $output .= '&nbsp;&nbsp;(' . $category->count . ')';
        }

        $output .= "</option>\n";
    }
}

/**
 * Category checklist walker
 *
 * @since 0.8
 */
class WPUF_Walker_Category_Checklist extends Walker {
    public $tree_type = 'category';

    public $db_fields = [
        'parent' => 'parent',
        'id' => 'term_id',
    ]; //TODO: decouple this

    public function start_lvl( &$output, $depth = 0, $args = [] ) {
        $indent = str_repeat( "\t", $depth );
        $output .= "$indent<ul class='children'>\n";
    }

    public function end_lvl( &$output, $depth = 0, $args = [] ) {
        $indent = str_repeat( "\t", $depth );
        $output .= "$indent</ul>\n";
    }

    public function start_el( &$output, $category, $depth = 0, $args = [], $current_object_id = 0 ) {
        $taxonomy = $args['taxonomy'];

        $required = '';

        if ( ! empty( $args['required'] ) && 'yes' === $args['required'] ) {
            $required = ' data-required="yes" ';
        }

        if ( empty( $taxonomy ) ) {
            $taxonomy = 'category';
        }

        if ( 'category' === $taxonomy ) {
            $name = 'category';
        } else {
            $name = $taxonomy;
        }

        if ( 'yes' === $args['show_inline'] ) {
            $inline_class = 'wpuf-checkbox-inline';
        } else {
            $inline_class = '';
        }

        $class = isset( $args['class'] ) ? $args['class'] : '';
        $category_name = esc_html( apply_filters( 'the_category', $category->name ) );

        $output .= sprintf(
            '<li class="%s" id="%s-%s" data-label="%s"><label class="selectit"><input class="%s" value="%s" type="checkbox" data-type="checkbox" name="%s[]" id="in-%s-%s" %s %s %s /> %s</label>',
            esc_attr( $inline_class ), esc_attr( $taxonomy ), esc_attr( $category->term_id ), esc_attr( $args['label'] ), esc_attr( $class ), esc_attr( $category->term_id ), esc_attr( $name ), esc_attr( $taxonomy ), esc_attr( $category->term_id ),
            checked( in_array( $category->term_id, $args['selected_cats'], true ), true, false ),
            disabled( empty( $args['disabled'] ), false, false ), $required, esc_html( $category_name )
        );
    }

    public function end_el( &$output, $category, $depth = 0, $args = [] ) {
        $output .= "</li>\n";
    }
}

/**
 * Displays checklist of a taxonomy
 *
 * @param int $post_id
 * @param array $selected_cats
 *
 * @since 0.8
 */
function wpuf_category_checklist( $post_id = 0, $selected_cats = false, $attr = [], $class = null ) {
    require_once ABSPATH . '/wp-admin/includes/template.php';

    $walker = new WPUF_Walker_Category_Checklist();

    $exclude_type = isset( $attr['exclude_type'] ) ? $attr['exclude_type'] : 'exclude';
    $exclude      = wpuf_get_field_settings_excludes( $attr, $exclude_type );

    $tax          = $attr['name'];
    $current_user = get_current_user_id();

    $args = [
        'taxonomy' => $tax,
    ];

    if ( $post_id ) {
        $args['selected_cats'] = wp_get_object_terms( $post_id, $tax, [ 'fields' => 'ids' ] );
    } elseif ( $selected_cats ) {
        $args['selected_cats'] = $selected_cats;
    } else {
        $args['selected_cats'] = [];
    }

  $args['show_inline'] = ! empty( $attr['show_inline'] ) ? $attr['show_inline'] : '';
	$args['class']       = $class;
	$args['required']    = ! empty( $attr['required'] ) ? $attr['required'] : 'no';
	$args['label']       = ! empty( $attr['label'] ) ? $attr['label'] : '';

    $tax_args = [
        'taxonomy'    => $tax,
        'hide_empty'  => false,
        $exclude['type'] => ( 'child_of' === $exclude_type ) ? $exclude['childs'] : $attr['exclude'],
        'orderby'     => isset( $attr['orderby'] ) ? $attr['orderby'] : 'name',
        'order'       => isset( $attr['order'] ) ? $attr['order'] : 'ASC',
    ];
    $tax_args = apply_filters( 'wpuf_taxonomy_checklist_args', $tax_args );

    $categories = (array) get_terms( $tax_args );

    echo wp_kses_post( '<ul class="wpuf-category-checklist">' );
    printf( '<input type="hidden" name="%s" value="0" />', esc_attr( $tax ) );
    echo wp_kses(
        call_user_func_array( [ &$walker, 'walk' ], [ $categories, 0, $args ] ), [
            'li'    => [
	            'class'      => [],
	            'id'         => [],
	            'data-label' => [],
            ],
            'label' => [
                'class' => [],
            ],
            'input' => [
	            'class'         => [],
	            'type'          => [],
	            'value'         => [],
	            'name'          => [],
	            'id'            => [],
	            'checked'       => [],
	            'data-required' => [],
	            'data-type'     => [],
            ],
            'ul'    => [
                'class' => [],
            ],
        ]
    );
    echo wp_kses_post( '</ul>' );
}

/**
 * Get exclude settings for a field type
 *
 * @since 3.4.0
 *
 * @param array $field_settings
 * @param string $exclude_type
 *
 * @return array
 */
function wpuf_get_field_settings_excludes( $field_settings, $exclude_type ) {
    $attributes   = $field_settings['exclude'];
    $child_ids    = [];

    if ( ! empty( $attributes ) ) {
        foreach ( $attributes as $attr ) {
            $terms = get_terms(
                $field_settings['name'],
                array(
                    'hide_empty' => false,
                    'parent'     => $attr,
                )
            );

            foreach ( $terms as $term ) {
                array_push( $child_ids, $term->term_id );
            }
        }
    }

    if ( $exclude_type === 'child_of' ) {
        $exclude_type = 'include';
    }

    $excludes = [
        'type'   => $exclude_type,
        'childs' => $child_ids,
    ];

    return $excludes;
}

function wpuf_pre( $data ) {
    echo wp_kses_post( '<pre>' );
    print_r( $data );
    echo wp_kses_post( '</pre>' );
}

/**
 * Get all the image sizes
 *
 * @return array image sizes
 */
function wpuf_get_image_sizes() {
    $image_sizes_orig   = get_intermediate_image_sizes();
    $image_sizes_orig[] = 'full';
    $image_sizes        = [];

    foreach ( $image_sizes_orig as $size ) {
        $image_sizes[ $size ] = $size;
    }

    return $image_sizes;
}

function wpuf_allowed_extensions() {
    $extesions = [
        'images' => [
            'ext' => 'jpg,jpeg,gif,png,bmp',
            'label' => __( 'Images', 'wp-user-frontend' ),
        ],
        'audio'  => [
            'ext' => 'mp3,wav,ogg,wma,mka,m4a,ra,mid,midi',
            'label' => __( 'Audio', 'wp-user-frontend' ),
        ],
        'video'  => [
            'ext' => 'avi,divx,flv,mov,ogv,mkv,mp4,m4v,divx,mpg,mpeg,mpe',
            'label' => __( 'Videos', 'wp-user-frontend' ),
        ],
        'pdf'    => [
            'ext' => 'pdf',
            'label' => __( 'PDF', 'wp-user-frontend' ),
        ],
        'office' => [
            'ext' => 'doc,ppt,pps,xls,mdb,docx,xlsx,pptx,odt,odp,ods,odg,odc,odb,odf,rtf,txt',
            'label' => __( 'Office Documents', 'wp-user-frontend' ),
        ],
        'zip'    => [
            'ext' => 'zip,gz,gzip,rar,7z',
            'label' => __( 'Zip Archives', 'wp-user-frontend' ),
        ],
        'exe'    => [
            'ext' => 'exe',
            'label' => __( 'Executable Files', 'wp-user-frontend' ),
        ],
        'csv'    => [
            'ext' => 'csv',
            'label' => __( 'CSV', 'wp-user-frontend' ),
        ],
    ];

    return apply_filters( 'wpuf_allowed_extensions', $extesions );
}

/**
 * Adds notices on add post form if any
 *
 * @param string $text
 *
 * @return string
 */
function wpuf_addpost_notice( $text ) {
    $user = wp_get_current_user();

    if ( is_user_logged_in() ) {
        $lock = ( 'yes' === $user->wpuf_postlock ) ? 'yes' : 'no';

        if ( 'yes' === $lock ) {
            return $user->wpuf_lock_cause;
        }
    }

    return $text;
}

add_filter( 'wpuf_addpost_notice', 'wpuf_addpost_notice' );

/**
 * Associate attachemnt to a post
 *
 * @since 2.0
 *
 * @param type $attachment_id
 * @param type $post_id
 */
function wpuf_associate_attachment( $attachment_id, $post_id ) {
    $args = [
        'ID'          => $attachment_id,
        'post_parent' => $post_id,
    ];

    wpuf_update_post( $args );
}

/**
 * Update post when hooked to save_post
 *
 * @since 2.5.4
 *
 * @param array args
 */
function wpuf_update_post( $args ) {
    if ( ! wp_is_post_revision( $args['ID'] ) ) {
        // unhook this function so it doesn't loop infinitely
        remove_action( 'save_post', [ WeDevs\Wpuf\Admin\Posting::init(), 'save_meta' ], 1 );

        // update the post, which calls save_post again
        wp_update_post( $args );

        // re-hook this function
        add_action( 'save_post', [ WeDevs\Wpuf\Admin\Posting::init(), 'save_meta' ], 1 );
    }
}

/**
 * Get user role names
 *
 * @since 2.0
 *
 * @global WP_Roles $wp_roles
 *
 * @return array
 */
function wpuf_get_user_roles() {
    if ( ! function_exists( 'wp_roles' ) ) {
        require_once ABSPATH . WPINC . '/capabilities.php';
        $wp_roles = wp_roles();
    } else {
        $wp_roles = wp_roles();
    }

    return $wp_roles->get_names();
}

/**
 * Add custom avatar image size
 *
 * @since 3.3.0
 *
 * @return void
 */
function wpuf_avatar_add_image_size() {
    $avatar_size   = wpuf_get_option( 'avatar_size', 'wpuf_profile', '100x100' );
    $avatar_size   = explode( 'x', $avatar_size );
    $avatar_width  = $avatar_size[0];
    $avatar_height = $avatar_size[1];

    add_image_size( 'wpuf_avatar_image_size', $avatar_width, $avatar_height, true );
}

/**
 * Custom Avatar uploaded by user
 *
 * @since 3.3.0
 *
 * @param int $user_id
 *
 * @return string
 */
function wpuf_get_custom_avatar( $user_id ) {
    $avatar = get_user_meta( $user_id, 'user_avatar', true );

    if ( absint( $avatar ) > 0 ) {
        wpuf_avatar_add_image_size();

        $avatar_source = wp_get_attachment_image_src( $avatar, 'wpuf_avatar_image_size' );

        if ( $avatar_source ) {
            $avatar = $avatar_source[0];
        }
    }

    return $avatar;
}

/**
 * Conditionally ignore using WPUF avatar
 *
 * @since 3.3.0
 *
 * @return bool
 */
function wpuf_use_default_avatar() {
    if ( has_filter( 'pre_option_show_avatars', '__return_true' ) ) {
        return true;
    }

    return apply_filters( 'wpuf_use_default_avatar', false );
}

/**
 * User avatar wrapper for custom uploaded avatar
 *
 * @since 2.0
 *
 * @param string $avatar
 * @param mixed  $id_or_email
 * @param int    $size
 * @param string $default
 * @param string $alt
 *
 * @return string image tag of the user avatar
 */
function wpuf_get_avatar( $avatar, $id_or_email, $size, $default, $alt, $args ) {
    if ( wpuf_use_default_avatar() ) {
        return $avatar;
    }

    if ( is_numeric( $id_or_email ) ) {
        $user = get_user_by( 'id', $id_or_email );
    } elseif ( is_object( $id_or_email ) ) {
        if ( $id_or_email->user_id !== '0' ) {
            $user = get_user_by( 'id', $id_or_email->user_id );
        } else {
            return $avatar;
        }
    } else {
        $user = get_user_by( 'email', $id_or_email );
    }

    if ( ! $user ) {
        return $avatar;
    }

    $custom_avatar = wpuf_get_custom_avatar( $user->ID );

    if ( empty( $custom_avatar ) ) {
        return $avatar;
    }

    return sprintf( '<img src="%1$s" alt="%2$s" height="%3$s" width="%3$s" class="avatar">', esc_url( $custom_avatar ), $alt, $size );
}

add_filter( 'get_avatar', 'wpuf_get_avatar', 99, 6 );

/**
 * Filters custom avatar url
 *
 * @param $args
 * @param $id_or_email
 *
 * @return mixed
 */
function wpuf_custom_avatar_data( $args, $id_or_email ) {
    if ( wpuf_use_default_avatar() ) {
        return $args;
    }

    $user_id = $id_or_email;

    if ( $id_or_email instanceof WP_Comment ) {
        $user_id = $id_or_email->user_id;
    } elseif ( is_string( $id_or_email ) && is_email( $id_or_email ) ) {
        $user_id = email_exists( $id_or_email );
    }

    if ( $user_id ) {
        $custom_avatar_url = wpuf_get_custom_avatar( $user_id );

        if ( ! empty( $custom_avatar_url ) ) {
            $args['url'] = $custom_avatar_url;
        }
    }

    return $args;
}

add_filter( 'get_avatar_data', 'wpuf_custom_avatar_data', 10, 2 );


function wpuf_update_avatar( $user_id, $attachment_id ) {
    $upload_dir   = wp_upload_dir();
    $relative_url = wp_get_attachment_url( $attachment_id );

    if ( function_exists( 'wp_get_image_editor' ) ) {
        // try to crop the photo if it's big
        $file_path = str_replace( $upload_dir['baseurl'], $upload_dir['basedir'], $relative_url );

        // as the image upload process generated a bunch of images
        // try delete the intermediate sizes.
        $ext             = strrchr( $file_path, '.' );
        $file_path_w_ext = str_replace( $ext, '', $file_path );
        $small_url       = $file_path_w_ext . '-avatar' . $ext;
        $relative_url    = str_replace( $upload_dir['basedir'], $upload_dir['baseurl'], $small_url );

        $editor = wp_get_image_editor( $file_path );

        if ( ! is_wp_error( $editor ) ) {
            $avatar_size    = wpuf_get_option( 'avatar_size', 'wpuf_profile', '100x100' );
            $avatar_size    = explode( 'x', $avatar_size );
            $avatar_width   = $avatar_size[0];
            $avatar_height  = $avatar_size[1];

            $editor->resize( $avatar_width, $avatar_height, true );
            $editor->save( $small_url );

            // if the file creation successfull, delete the original attachment
            if ( file_exists( $small_url ) ) {
                wp_delete_attachment( $attachment_id, true );
            }
        }
    }

    // delete any previous avatar
    $prev_avatar = get_user_meta( $user_id, 'user_avatar', true );

    if ( ! empty( $prev_avatar ) ) {
        $prev_avatar_path = str_replace( $upload_dir['baseurl'], $upload_dir['basedir'], $prev_avatar );

        if ( file_exists( $prev_avatar_path ) ) {
            unlink( $prev_avatar_path );
        }
    }

    // now update new user avatar
    update_user_meta( $user_id, 'user_avatar', $relative_url );
}

function wpuf_admin_role() {
    return apply_filters( 'wpuf_admin_role', 'manage_options' );
}

/**
 * Get all the payment gateways
 *
 * @return array
 */
function wpuf_get_gateways( $context = 'admin' ) {
    $gateways = Payment::get_payment_gateways();
    $return   = [];

    foreach ( $gateways as $id => $gate ) {
        if ( 'admin' === $context ) {
            $return[ $id ] = $gate['admin_label'];
        } else {
            $return[ $id ] = [
                'label'          => $gate['checkout_label'],
                'icon'           => isset( $gate['icon'] ) ? $gate['icon'] : '',
                'is_pro_preview' => ! empty( $gate['is_pro_preview'] ) ? esc_attr( $gate['is_pro_preview'] ) : false,
            ];
        }
    }

    return $return;
}

/**
 * Show custom fields in post content area
 *
 * @since 3.3.0 Introducing `render_field_data` to render field value
 *                   Rendering field values should be in field classes to follow
 *                   more OOP style.
 *
 * @todo Move the rendering snippets to respective field classes. The default case
 *       should be placed in the abstract class.
 *
 * @param string $content
 *
 * @return string
 */
function wpuf_show_custom_fields( $content ) {
    global $post;

    if ( ! is_a( $post, '\WP_Post' ) ) {
        return $content;
    }

    $show_custom = wpuf_get_option( 'cf_show_front', 'wpuf_frontend_posting' );

    if ( 'on' !== $show_custom ) {
        return $content;
    }

    $show_caption  = wpuf_get_option( 'image_caption', 'wpuf_frontend_posting' );
    $form_id       = get_post_meta( $post->ID, '_wpuf_form_id', true );
    $form_settings = wpuf_get_form_settings( $form_id );

    if ( ! $form_id ) {
        return $content;
    }

    $html = '<ul class="wpuf_customs">';

    $form_vars = wpuf_get_form_fields( $form_id );
    $meta      = [];

    if ( $form_vars ) {
        foreach ( $form_vars as $attr ) {
            // get column field input fields
            if ( 'column_field' === $attr['input_type'] ) {
                $inner_fields = $attr['inner_fields'];

                foreach ( $inner_fields as $column_key => $column_fields ) {
                    if ( ! empty( $column_fields ) ) {
                        // ignore section break and HTML input type
                        foreach ( $column_fields as $column_field_key => $column_field ) {
                            if ( isset( $column_field['show_in_post'] ) && 'yes' === $column_field['show_in_post'] ) {
                                $meta[] = $column_field;
                            }
                        }
                    }
                }
                continue;
            }

            if ( isset( $attr['show_in_post'] ) && 'yes' === $attr['show_in_post'] ) {
                $meta[] = $attr;
            }
        }

        if ( ! $meta ) {
            return $content;
        }

        foreach ( $meta as $attr ) {
            $wpuf_field = wpuf()->fields->get_field( $attr['template'] );

            if ( ! isset( $attr['name'] ) ) {
                $attr['name'] = $attr['input_type'];
            }

            $field_value    = get_post_meta( $post->ID, $attr['name'] );
            $hide_label     = isset( $attr['hide_field_label'] ) ? $attr['hide_field_label'] : 'no';

            $return_for_no_cond = 0;

            if ( isset( $attr['wpuf_cond']['condition_status'] ) && 'yes' === $attr['wpuf_cond']['condition_status'] ) {
                foreach ( $attr['wpuf_cond']['cond_field'] as $field_key => $cond_field_name ) {

                    //check if the conditional field is a taxonomy
                    if ( taxonomy_exists( $cond_field_name ) ) {
                        $post_terms       = wp_get_post_terms( $post->ID, $cond_field_name, true );
                        $cond_field_value = [];

                        if ( is_array( $post_terms ) ) {
                            foreach ( $post_terms as $term_key => $term_array ) {
                                $cond_field_value[] = $term_array->term_id;
                            }
                        }
                        $cond_field_value = isset( $post_terms[0] ) ? $post_terms[0]->term_id : '';
                    } else {
                        $cond_field_value = get_post_meta( $post->ID, $cond_field_name, 'true' );
                    }

                    if ( isset( $attr['wpuf_cond']['cond_option'][ $field_key ] ) ) {
                        if ( is_array( $cond_field_value ) ) {
                            continue;
                        } else {
                            if ( (string) $attr['wpuf_cond']['cond_option'][ $field_key ] !== (string) $cond_field_value ) {
                                $return_for_no_cond = 1;
                            } else {
                                $return_for_no_cond = 0;
                                break;
                            }
                        }
                    }
                }
            }

            if ( $return_for_no_cond === 1 ) {
                continue;
            }

            if ( ! count( $field_value ) ) {
                continue;
            }

            if ( 'hidden' === $attr['input_type'] ) {
                continue;
            }

            if ( method_exists( $wpuf_field, 'render_field_data' ) ) {
                $html .= $wpuf_field->render_field_data( $field_value, $attr );
                continue;
            }

            switch ( $attr['input_type'] ) {
                case 'image_upload':
                case 'file_upload':
                    $image_html = '<li style="list-style-type:none;">';

                    if ( 'no' === $hide_label ) {
                        $image_html .= '<label>' . $attr['label'] . ':</label> ';
                    }

                    if ( $field_value ) {
                        if ( is_serialized( $field_value[0] ) ) {
                            $field_value = maybe_unserialize( $field_value[0] );
                        }

                        if ( is_array( $field_value[0] ) ) {
                            $field_value = $field_value[0];
                        }

                        foreach ( $field_value as $attachment_id ) {
                            if ( 'image_upload' === $attr['input_type'] ) {
                                $image_size = wpuf_get_option( 'insert_photo_size', 'wpuf_frontend_posting', 'thumbnail' );
                                $thumb      = wp_get_attachment_image( $attachment_id, $image_size );
                            } else {
                                $thumb = get_post_field( 'post_title', $attachment_id );
                            }

                            $full_size = wp_get_attachment_url( $attachment_id );
                            $path      = parse_url( $full_size, PHP_URL_PATH );
                            $extension = pathinfo( $path, PATHINFO_EXTENSION );

                            if ( $thumb ) {
                                $playable                   = isset( $attr['playable_audio_video'] ) ? $attr['playable_audio_video'] : 'no';
                                $wpuf_allowed_extensions    = wpuf_allowed_extensions();
                                $allowed_audio_extensions   = explode( ',', $wpuf_allowed_extensions['audio']['ext'] );
                                $allowed_video_extensions   = explode( ',', $wpuf_allowed_extensions['video']['ext'] );
                                $allowed_extenstions        = array_merge( $allowed_audio_extensions, $allowed_video_extensions );

                                if ( 'yes' === $playable && in_array( $extension, $allowed_extenstions, true ) ) {
                                    $is_video       = in_array( $extension, $allowed_video_extensions, true );
                                    $is_audio       = in_array( $extension, $allowed_audio_extensions, true );
                                    $preview_width  = isset( $attr['preview_width'] ) ? $attr['preview_width'] : '123';
                                    $preview_height = isset( $attr['preview_height'] ) ? $attr['preview_height'] : '456';

                                    $image_html .= '<div class="wpuf-embed-preview">';

                                    if ( $is_video ) {
                                        $image_html .= '[video src="' . $full_size . '" width="' . $preview_width . '" height="' . $preview_height . '"]';
                                    }

                                    if ( $is_audio ) {
                                        $image_html .= '[audio src="' . $full_size . '" width="' . $preview_width . '" height="' . $preview_height . '"]';
                                    }

                                    $image_html .= '</div>';
                                } else {
                                    $image_html .= sprintf( '<a href="%s">%s</a> ', $full_size, $thumb );
                                }

                                if ( 'on' === $show_caption ) {
                                    $post_detail = get_post( $attachment_id );

                                    if ( ! empty( $post_detail->post_title ) ) {
                                        $image_html .= '<br /><label>' . __( 'Title', 'wp-user-frontend' ) . ':</label> <span class="image_title">' . esc_html( $post_detail->post_title ) . '</span>';
                                    }

                                    if ( ! empty( $post_detail->post_excerpt ) ) {
                                        $image_html .= '<br /><label>' . __( 'Caption', 'wp-user-frontend' ) . ':</label> <span class="image_caption">' . esc_html( $post_detail->post_excerpt ) . '</span>';
                                    }

                                    if ( ! empty( $post_detail->post_content ) ) {
                                        $image_html .= '<br /><label>' . __( 'Description', 'wp-user-frontend' ) . ':</label> <span class="image_description">' . esc_html( $post_detail->post_content ) . '</span>';
                                    }
                                }
                            }
                        }
                    }

                    $html .= $image_html . '</li>';
                    break;

                case 'map':
                    ob_start();
                    wpuf_shortcode_map_post( $attr['name'], $post->ID );

                    wp_enqueue_script( 'wpuf-google-maps' );

                    if ( isset( $attr['directions'] ) && $attr['directions'] ) {
                        $location   = get_post_meta( $post->ID, $attr['name'], true );
                        $def_lat    = isset( $location['lat'] ) ? $location['lat'] : 40.7143528;
                        $def_long   = isset( $location['lng'] ) ? $location['lng'] : -74.0059731; ?>
                        <div>
                            <a class="btn btn-brand btn-sm" href="https://www.google.com/maps/dir/?api=1&amp;destination=<?php echo esc_attr( $def_lat ); ?>,<?php echo esc_attr( $def_long ); ?>" target="_blank" rel="nofollow external"><?php esc_html_e( 'Directions »', 'wp-user-frontend' ); ?></a>
                        </div>
                        <?php
                    }

                    $html .= ob_get_clean();
                    break;

                case 'address':
                    include_once WPUF_ROOT . '/includes/Data/countries.php';

                    $address_html = '';

                    if ( isset( $field_value[0] ) && is_array( $field_value[0] ) ) {
                        foreach ( $field_value[0] as $field_key => $value ) {
                            if ( 'country_select' === $field_key ) {
                                if ( isset( $countries[ $value ] ) ) {
                                    $value = $countries[ $value ];
                                }
                            }

                            if ( ! empty( $value ) ) {
                                $address_html .= '<li>';

                                if ( 'no' === $hide_label ) {
                                    $address_html .= '<label>' . $attr['address'][ $field_key ]['label'] . ': </label> ';
                                }

                                $address_html .= ' ' . $value . '</li>';
                            }
                        }
                    }

                    $html .= $address_html;
                    break;

                case 'repeat':
                    $value    = get_post_meta( $post->ID, $attr['name'] );
                    $newvalue = [];

                    foreach ( $value as $i => $str ) {
                        if ( preg_match( '/[^\|\s]/', $str ) ) {
                            $newvalue[] = $str;
                        }
                    }

                    $new = implode( ', ', $newvalue );

                    if ( $new ) {
                        $html .= '<li>';

                        if ( 'no' === $hide_label ) {
                            $html .= '<label>' . $attr['label'] . ': </label>';
                        }

                        $html .= make_clickable( $new ) . '</li>';
                    }
                    break;

                case 'url':
                    $value = get_post_meta( $post->ID, $attr['name'], true );

                    if ( empty( $value ) ) {
                        break;
                    }

                    if ( 'embed' === $attr['template'] ) {
                        global $wp_embed;

                        $preview_width  = isset( $attr['preview_width'] ) ? $attr['preview_width'] : '123';
                        $preview_height = isset( $attr['preview_height'] ) ? $attr['preview_height'] : '456';
                        $shortcode      = '[embed width="' . $preview_width . '" height="' . $preview_height . '"]' . $value . '[/embed]';

                        $preview = '<li>';

                        if ( 'no' === $hide_label ) {
                            $preview .= sprintf( '<label>%s: </label>', $attr['label'] );
                        }

                        $preview .= "<div class='wpuf-embed-preview'>";
                        $preview .= $wp_embed->run_shortcode( $shortcode );
                        $preview .= '</div>';
                        $preview .= '</li>';

                        $html .= $preview;
                        break;
                    }

                    $open_in = 'same' === $attr['open_window'] ? '' : '_blank';

                    $link = '<li>';

                    if ( 'no' === $hide_label ) {
                        $link .= '<label>' . $attr['label'] . ':</label>';
                    }

                    $link .= sprintf( " <a href='%s' target = '%s'>%s</a></li>", $value, $open_in, $value );

                    $html .= $link;
                    break;

                case 'date':
                    $value = get_post_meta( $post->ID, $attr['name'], true );

                    $html .= '<li>';

                    if ( 'no' === $hide_label ) {
                        $html .= '<label>' . $attr['label'] . ':</label>';
                    }

                    $html .= sprintf( ' %s</li>', make_clickable( $value ) );
                    break;

                case 'country_list':
                    $value         = get_post_meta( $post->ID, $attr['name'], true );
                    $country_state = new WeDevs\Wpuf\Data\Country_State();
                    $countries     = $country_state->countries();

                    if ( isset( $countries[ $value ] ) ) {
                        $value = $countries[ $value ];
                    }

                    $html .= '<li>';

                    if ( 'no' === $hide_label ) {
                        $html .= '<label>' . $attr['label'] . ':</label>';
                    }

                    $html .= sprintf( ' %s</li>', make_clickable( $value ) );
                    break;

                default:
                    $value       = get_post_meta( $post->ID, $attr['name'] );
                    $filter_html = apply_filters( 'wpuf_custom_field_render', '', $value, $attr, $form_settings );
                    $separator   = ' | ';

                    if ( ! empty( $filter_html ) ) {
                        $html .= $filter_html;
                    } elseif ( is_serialized( $value[0] ) ) {
                        $new            = maybe_unserialize( $value[0] );
                        $modified_value = implode( $separator, $new );

                        if ( $modified_value ) {
                            $html .= '<li>';

                            if ( 'no' === $hide_label ) {
                                $html .= '<label>' . $attr['label'] . ':</label>';
                            }

                            $html .= sprintf( ' %s</li>', make_clickable( $modified_value ) );
                        }
                    } elseif ( ( 'checkbox' === $attr['input_type'] || 'multiselect' === $attr['input_type'] ) && is_array( $value[0] ) ) {
                        if ( ! empty( $value[0] ) ) {
                            $modified_value = implode( $separator, $value[0] );

                            if ( $modified_value ) {
                                $html .= '<li>';

                                if ( 'no' === $hide_label ) {
                                    $html .= '<label>' . $attr['label'] . ':</label>';
                                }

                                $html .= sprintf( ' %s</li>', make_clickable( $modified_value ) );
                            }
                        }
                    } else {
                        $new = implode( ', ', $value );

                        if ( $new ) {
                            $html .= '<li>';

                            if ( 'no' === $hide_label ) {
                                $html .= '<label>' . $attr['label'] . ':</label>';
                            }

                            $html .= sprintf( ' %s</li>', make_clickable( $new ) );
                        }
                    }

                    break;
            }
        }
    }

    $html .= '</ul>';

    return $content . $html;
}

add_filter( 'the_content', 'wpuf_show_custom_fields' );

/**
 * Map display shortcode
 *
 * @param string $meta_key
 * @param int    $post_id
 * @param array  $args
 */
function wpuf_shortcode_map( $location, $post_id = null, $args = [], $meta_key = '' ) {
    if ( ! wpuf()->is_pro() || ! $location ) {
        return;
    }

    global $post;

    // compatibility
    if ( $post_id ) {
        wpuf_shortcode_map_post( $location, $post_id, $args );

        return;
    }

    $default        = [
        'width' => 450,
        'height' => 250,
        'zoom' => 12,
    ];
    $args           = wp_parse_args( $args, $default );

    if ( is_array( $location ) ) {
        $def_address = isset( $location['address'] ) ? $location['address'] : '';
        $def_lat     = isset( $location['lat'] ) ? $location['lat'] : '';
        $def_long    = isset( $location['lng'] ) ? $location['lng'] : '';
        $location    = implode( ' || ', $location );
    } else {
        list( $def_lat, $def_long ) = explode( ',', $location );
        $def_lat                    = $def_lat ? $def_lat : 0;
        $def_long                   = $def_long ? $def_long : 0;
    }
    ?>

    <div class="google-map" style="margin: 10px 0; height: <?php echo esc_attr( $args['height'] ); ?>px; width: <?php echo esc_attr( $args['width'] ); ?>px;" id="wpuf-map-<?php echo esc_attr( $meta_key . $post->ID ); ?>"></div>

    <script type="text/javascript">
        jQuery(function($){
            var curpoint = new google.maps.LatLng(<?php echo esc_html( $def_lat ); ?>, <?php echo esc_html( $def_long ); ?>);

            var gmap = new google.maps.Map( $('#wpuf-map-<?php echo esc_attr( $meta_key . $post->ID ); ?>')[0], {
                center: curpoint,
                zoom: <?php echo esc_attr( $args['zoom'] ); ?>,
                mapTypeId: window.google.maps.MapTypeId.ROADMAP
            });

            var marker = new window.google.maps.Marker({
                position: curpoint,
                map: gmap,
                draggable: true
            });

        });
    </script>
    <?php
}

/**
 * Map shortcode for users
 *
 * @param string $meta_key
 * @param int    $user_id
 * @param array  $args
 */
function wpuf_shortcode_map_user( $meta_key, $user_id = null, $args = [] ) {
    $location = get_user_meta( $user_id, $meta_key, true );
    wpuf_shortcode_map( $location, null, $args, $meta_key );
}

/**
 * Map shortcode post posts
 *
 * @global object $post
 *
 * @param string $meta_key
 * @param int    $post_id
 * @param array  $args
 */
function wpuf_shortcode_map_post( $meta_key, $post_id = null, $args = [] ) {
    global $post;

    if ( ! $post_id ) {
        $post_id = $post->ID;
    }

    $location = get_post_meta( $post_id, $meta_key, true );
    wpuf_shortcode_map( $location, null, $args, $meta_key );
}

function wpuf_meta_shortcode( $atts ) {
    global $post;

    $attrs = shortcode_atts(
        [
            'name'   => '',
            'type'   => 'normal',
            'size'   => 'thumbnail',
            'height' => 250,
            'width'  => 450,
            'zoom'   => 12,
        ], $atts
    );

    $name   = $attrs['name'];
    $type   = $attrs['type'];
    $size   = $attrs['size'];
    $width  = $attrs['width'];
    $height = $attrs['height'];
    $zoom   = $attrs['zoom'];

    if ( empty( $name ) ) {
        return;
    }

    if ( 'image' === $type || 'file' === $type ) {
        $images = get_post_meta( $post->ID, $name, true );

        if ( ! is_array( $images ) ) {
            $images = (array) $images;
        }

        if ( $images ) {
            $html = '';

            foreach ( $images as $attachment_id ) {
                if ( 'image' === $type ) {
                    $thumb = wp_get_attachment_image( $attachment_id, $size );
                } else {
                    $thumb = get_post_field( 'post_title', $attachment_id );
                }

                $full_size = wp_get_attachment_url( $attachment_id );
                $html      .= sprintf( '<a href="%s">%s</a> ', $full_size, $thumb );
            }

            return $html;
        }
    } elseif ( 'map' === $type ) {
        ob_start();
        wpuf_shortcode_map(
            $name, $post->ID, [
                'width' => $width,
                'height' => $height,
                'zoom' => $zoom,
            ]
        );

        return ob_get_clean();
    } elseif ( 'repeat' === $type ) {
        return implode( '; ', get_post_meta( $post->ID, $name ) );
    } elseif ( 'normal' === $type ) {
        return implode( ', ', get_post_meta( $post->ID, $name ) );
    } else {
        return make_clickable( implode( ', ', get_post_meta( $post->ID, $name ) ) );
    }
}

/**
 * Get the value of a settings field
 *
 * @param string $option  settings field name
 * @param string $section the section name this field belongs to
 * @param string $default default text if it's not found
 *
 * @return mixed
 */
function wpuf_get_option( $option, $section, $default = '' ) {
    $options = get_option( $section );

    if ( isset( $options[ $option ] ) ) {
        return $options[ $option ];
    }

    return $default;
}

/**
 * Check the current post for the existence of a short code
 *
 * @see http://wp.tutsplus.com/articles/quick-tip-improving-shortcodes-with-the-has_shortcode-function/
 *
 * @param string $shortcode
 *
 * @return bool
 */
function wpuf_has_shortcode( $shortcode = '', $post_id = false ) {
    $post_to_check = ( false === $post_id ) ? get_post( get_the_ID() ) : get_post( $post_id );

    if ( ! $post_to_check ) {
        return false;
    }

    // false because we have to search through the post content first
    $found = false;

    // if no short code was provided, return false
    if ( ! $shortcode ) {
        return $found;
    }

    // check the post content for the short code
    if ( stripos( $post_to_check->post_content, '[' . $shortcode ) !== false ) {
        // we have found the short code
        $found = true;
    }

    return $found;
}

/**
 * Get attachment ID from a URL
 *
 * @since 2.1.8
 * @see http://philipnewcomer.net/2012/11/get-the-attachment-id-from-an-image-url-in-wordpress/ Original Implementation
 *
 * @global type $wpdb
 *
 * @param type $attachment_url
 *
 * @return type
 */
function wpuf_get_attachment_id_from_url( $attachment_url = '' ) {
    global $wpdb;

    $attachment_id = false;

    // If there is no url, return.
    if ( '' === $attachment_url ) {
        return;
    }

    // Get the upload directory paths
    $upload_dir_paths = wp_upload_dir();

    // Make sure the upload path base directory exists in the attachment URL, to verify that we're working with a media library image
    if ( false !== strpos( $attachment_url, $upload_dir_paths['baseurl'] ) ) {

        // If this is the URL of an auto-generated thumbnail, get the URL of the original image
        $attachment_url = preg_replace( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif)$)/i', '', $attachment_url );

        // Remove the upload path base directory from the attachment URL
        $attachment_url = str_replace( $upload_dir_paths['baseurl'] . '/', '', $attachment_url );

        // Finally, run a custom database query to get the attachment ID from the modified attachment URL
        $attachment_id = $wpdb->get_var( $wpdb->prepare( "SELECT wposts.ID FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta WHERE wposts.ID = wpostmeta.post_id AND wpostmeta.meta_key = '_wp_attached_file' AND wpostmeta.meta_value = %s AND wposts.post_type = 'attachment'", $attachment_url ) );
    }

    return $attachment_id;
}

/**
 * Non logged in users tag autocomplete
 *
 * @since 2.1.9
 *
 * @global object $wpdb
 */
function wpuf_ajax_tag_search() {
    if ( ! isset( $_REQUEST['nonce'] ) || ! wp_verify_nonce( sanitize_key( wp_unslash( $_REQUEST['nonce'] ) ), 'wpuf_ajax_tag_search' ) ) {
        wp_send_json_error( __( 'Permission denied', 'wp-user-frontend' ) );
    }

    global $wpdb;

    $taxonomy = isset( $_GET['tax'] ) ? sanitize_text_field( wp_unslash( $_GET['tax'] ) ) : '';
    $term_ids = ! empty( $_GET['term_ids'] ) ? sanitize_key( wp_unslash( $_GET['term_ids'] ) ) : '';
    $tax      = get_taxonomy( $taxonomy );

    if ( ! $tax ) {
        wp_die( 0 );
    }

    $s = isset( $_GET['q'] ) ? sanitize_text_field( wp_unslash( $_GET['q'] ) ) : '';

    $comma = _x( ',', 'tag delimiter', 'wp-user-frontend' );

    if ( ',' !== $comma ) {
        $s = str_replace( $comma, ',', $s );
    }

    if ( false !== strpos( $s, ',' ) ) {
        $s = explode( ',', $s );
        $s = $s[ count( $s ) - 1 ];
    }

    $s = trim( $s );

    if ( strlen( $s ) < 2 ) {
        wp_die();
    } // require 2 chars for matching

    if ( ! empty( $term_ids ) ) {
        //phpcs:disable
        $results = $wpdb->get_col( $wpdb->prepare( "SELECT t.name FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id IN ($term_ids) AND t.name LIKE (%s)", $taxonomy, '%' . $wpdb->esc_like( $s ) . '%' ) );
    } else {
        $results = $wpdb->get_col( $wpdb->prepare( "SELECT t.name FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.name LIKE (%s)", $taxonomy, '%' . $wpdb->esc_like( $s ) . '%' ) );
    }
    echo esc_html( join( "\n", $results ) );
    wp_die();
}

/**
 * Option dropdown helper
 *
 * @param array  $options
 * @param string $selected
 *
 * @return string
 */
function wpuf_dropdown_helper( $options, $selected = '' ) {
    $string = '';

    foreach ( $options as $key => $label ) {
        $string .= sprintf( '<option value="%s"%s>%s</option>', esc_attr( $key ), selected( $selected, $key, false ), $label );
    }

    return $string;
}

/**
 * Include a template file
 *
 * Looks up first on the theme directory, if not found
 * lods from plugins folder
 *
 * @since 2.2
 *
 * @param string $file file name or path to file
 */
function wpuf_load_template( $file, $args = [] ) {
    //phpcs:ignore
    if ( $args && is_array( $args ) ) {
        extract( $args );
    }

    $child_theme_dir  = get_stylesheet_directory() . '/wpuf/';
    $parent_theme_dir = get_template_directory() . '/wpuf/';
    $wpuf_dir         = WPUF_ROOT . '/templates/';

    if ( file_exists( $child_theme_dir . $file ) ) {
        include $child_theme_dir . $file;
    } elseif ( file_exists( $parent_theme_dir . $file ) ) {
        include $parent_theme_dir . $file;
    } elseif ( file_exists( $wpuf_dir . $file ) ) {
        include $wpuf_dir . $file;
    }
}

/**
 * Include a template file
 *
 * Looks up first on the theme directory, if not found
 * lods from pro plugin folder
 *
 * @since 3.1.11
 * @since 3.5.27_PRO function moved to pro
 *
 * @param string $file file name or path to file
 */
/*function wpuf_load_pro_template( $file, $args = [] ) {
    //phpcs:ignore
    if ( $args && is_array( $args ) ) {
        extract( $args );
    }

    if ( wpuf()->is_pro() ) {
        $child_theme_dir    = get_stylesheet_directory() . '/wpuf/';
        $parent_theme_dir   = get_template_directory() . '/wpuf/';
        $wpuf_pro_dir       = WPUF_PRO_INCLUDES . '/templates/';

        if ( file_exists( $child_theme_dir . $file ) ) {
            include $child_theme_dir . $file;
        } elseif ( file_exists( $parent_theme_dir . $file ) ) {
            include $parent_theme_dir . $file;
        } else {
            include $wpuf_pro_dir . $file;
        }
    }
}*/

/**
 * Helper function for formatting date field
 *
 * @since 0.1
 *
 * @param string $date
 * @param bool   $show_time
 *
 * @return string
 */
function wpuf_get_date( $date, $show_time = false, $format = false ) {
    if ( empty( $date ) ) {
        return $date;
    }

    $timestamp = strtotime( $date );

    if ( $format ) {
        $dateobj = DateTime::createFromFormat( $format, $date );

        if ( $dateobj ) {
            $timestamp = $dateobj->getTimestamp();
        }
    }

    $format = get_option( 'date_format' );

    if ( $show_time ) {
        $format = get_option( 'date_format' ) . ' ' . get_option( 'time_format' );
    }

    return date_i18n( $format, $timestamp );
}

/**
 * Helper function for converting a normal date string to unix date/time string
 *
 * @since 0.1
 *
 * @param string $date
 * @param int    $gmt
 *
 * @return string
 */
function wpuf_date2mysql( $date, $gmt = 0 ) {
    if ( empty( $date ) ) {
        return;
    }
    $time = strtotime( $date );

    return ( $gmt ) ? gmdate( 'Y-m-d H:i:s', $time ) : gmdate( 'Y-m-d H:i:s', ( $time + ( intval( get_option( 'timezone_string' ) ) * 3600 ) ) );
}

/**
 * Get form fields from a form
 *
 * @param int $form_id
 *
 * @return array
 */
function wpuf_get_form_fields( $form_id ) {
    $fields = get_children(
        [
            'post_parent' => $form_id,
            'post_status' => 'publish',
            'post_type'   => 'wpuf_input',
            'numberposts' => '-1',
            'orderby'     => 'menu_order',
            'order'       => 'ASC',
        ]
    );

    $form_fields = [];

    foreach ( $fields as $key => $content ) {
        $field = (array) maybe_unserialize( $content->post_content );

        $field['id'] = $content->ID;
        $field['input_type'] = isset( $field['input_type'] ) ? $field['input_type'] : '';

        // Add inline property for radio and checkbox fields
        $inline_supported_fields = [ 'radio', 'checkbox' ];

        if ( in_array( $field['input_type'], $inline_supported_fields, true ) ) {
            if ( ! isset( $field['inline'] ) ) {
                $field['inline'] = 'no';
            }
        }

        // Add 'selected' property
        $option_based_fields = [ 'select', 'multiselect', 'radio', 'checkbox' ];

        if ( in_array( $field['input_type'], $option_based_fields, true ) ) {
            if ( ! isset( $field['selected'] ) ) {
                if ( 'select' === $field['input_type'] || 'radio' === $field['input_type'] ) {
                    $field['selected'] = '';
                } else {
                    $field['selected'] = [];
                }
            }
        }

        // Add 'multiple' key for input_type:repeat
        if ( 'repeat' === $field['input_type'] && ! isset( $field['multiple'] ) ) {
            $field['multiple'] = '';
        }

        if ( 'recaptcha' === $field['input_type'] ) {
            $field['name']              = 'recaptcha';
            $field['enable_no_captcha'] = isset( $field['enable_no_captcha'] ) ? $field['enable_no_captcha'] : '';
        }

        $form_fields[] = apply_filters( 'wpuf-get-form-fields', $field );
    }

    return $form_fields;
}

/**
 * Returns child category dropdown on ajax request
 */
function wpuf_get_child_cats() {
    $nonce = isset( $_REQUEST['nonce'] ) ? sanitize_key( wp_unslash( $_REQUEST['nonce'] ) ) : '';

    $parent_cat  = isset( $_POST['catID'] ) ? sanitize_text_field( wp_unslash( $_POST['catID'] ) ) : '';
    $field_attr = isset( $_POST['field_attr'] ) ? array_map( 'sanitize_text_field', wp_unslash( $_POST['field_attr'] ) ) : [];

    if ( ! wp_verify_nonce( $nonce, 'wpuf_nonce' ) ) {
        wp_send_json_error( __( 'Permission denied', 'wp-user-frontend' ) );
    }

    $allowed_tags = wp_kses_allowed_html( 'post' );

    $taxonomy = $field_attr['name'];

    $terms  = null;
    $result = '';

    if ( $parent_cat < 1 ) {
        die( wp_kses( $result, $allowed_tags ) );
    }

    $terms = get_categories( 'taxonomy=' . $taxonomy . '&child_of=' . $parent_cat . '&hide_empty=0' );

    if ( $terms ) {
        $field_attr['parent_cat'] = $parent_cat;

        if ( is_array( $terms ) ) {
            foreach ( $terms as $key => $term ) {
                $terms[ $key ] = (array) $term;
            }
        }

        $field_attr['form_id'] = isset( $_POST['form_id'] ) ? absint( $_POST['form_id'] ) : 0;

        $result .= taxnomy_select( '', $field_attr );
    } else {
        die( '' );
    }
    die( wp_kses( $result, $allowed_tags ) );
}

function taxnomy_select( $terms, $attr ) {
    $selected           = $terms ? $terms : '';
    $taxonomy           = $attr['name'];
    $class              = ' wpuf_' . $attr['name'] . '_' . $attr['form_id'];
    $exclude_type       = isset( $attr['exclude_type'] ) ? $attr['exclude_type'] : 'exclude';
    $exclude            = isset( $attr['exclude'] ) ? $attr['exclude'] : '';

    $dataset = sprintf(
        'data-required="%s" data-type="select" data-form-id="%d"',
        $attr['required'],
        $attr['form_id']
    );

    if ( 'child_of' === $exclude_type && ! empty( $exclude ) ) {
        $exclude = $exclude[0];
    }

    $tax_args = [
        'show_option_none' => __( '&mdash; Select &mdash;', 'wp-user-frontend' ),
        'hierarchical'     => 1,
        'hide_empty'       => 0,
        'orderby'          => isset( $attr['orderby'] ) ? $attr['orderby'] : 'name',
        'order'            => isset( $attr['order'] ) ? $attr['order'] : 'ASC',
        'name'             => $taxonomy . '[]',
        'taxonomy'         => $taxonomy,
        'echo'             => 0,
        'title_li'         => '',
        'class'            => 'cat-ajax ' . $taxonomy . $class,
        $exclude_type      => $exclude,
        'selected'         => $selected,
        'depth'            => 1,
        'child_of'         => isset( $attr['parent_cat'] ) ? $attr['parent_cat'] : '',
    ];

    $tax_args = apply_filters( 'wpuf_taxonomy_checklist_args', $tax_args );

    $select = wp_dropdown_categories( $tax_args );

    echo str_replace( '<select', '<select ' . $dataset, $select ); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
    $attr = [
        'required'     => $attr['required'],
        'name'         => $attr['name'],
        'exclude_type' => $attr['exclude_type'],
        'exclude'      => isset( $attr['exclude'] ) ? $attr['exclude'] : '',
        'orderby'      => $attr['orderby'],
        'order'        => $attr['order'],
        //'last_term_id' => isset( $attr['parent_cat'] ) ? $attr['parent_cat'] : '',
        //'term_id'      => $selected
    ];
    $attr = apply_filters( 'wpuf_taxonomy_checklist_args', $attr );
    ?>
    <span data-taxonomy=<?php echo json_encode( $attr ); ?>></span>
    <?php
}

/**
 * Returns form setting value
 *
 * @param int   $form_id
 * @param boolen $status
 *
 * @return array
 */
function wpuf_get_form_settings( $form_id, $status = true ) {
    return get_post_meta( $form_id, 'wpuf_form_settings', $status );
}

/**
 * Get form notifications
 *
 * @since 2.5.2
 *
 * @param int $form_id
 *
 * @return array
 */
function wpuf_get_form_notifications( $form_id ) {
    $notifications = get_post_meta( $form_id, 'notifications', true );

    if ( ! $notifications ) {
        return [];
    }

    return $notifications;
}

/**
 * Get form integration settings
 *
 * @since 2.5.4
 *
 * @param int $form_id
 *
 * @return array
 */
function wpuf_get_form_integrations( $form_id ) {
    $integrations = get_post_meta( $form_id, 'integrations', true );

    if ( ! $integrations ) {
        return [];
    }

    return $integrations;
}

/**
 * Check if an integration is active
 *
 * @since 2.5.4
 *
 * @param int    $form_id
 * @param string $integration_id
 *
 * @return bool
 */
function wpuf_is_integration_active( $form_id, $integration_id ) {
    $integrations = wpuf_get_form_integrations( $form_id );

    if ( ! $integrations ) {
        return false;
    }

    foreach ( $integrations as $id => $integration ) {
        if ( $integration_id === $id && $integration->enabled === true ) {
            return $integration;
        }
    }

    return false;
}

/**
 * Get the subscription page url
 *
 * @return string
 */
function wpuf_get_subscription_page_url() {
    $page_id = wpuf_get_option( 'subscription_page', 'wpuf_payment' );

    return get_permalink( $page_id );
}

/**
 * Clear the buffer
 *
 * Prevents ajax breakage and endless loading icon. A LIFE SAVER!!!
 *
 * @return void
 */
function wpuf_clear_buffer() {
    ob_clean();
}

/**
 * Check if the license has been expired
 *
 * @since 2.3.13
 *
 * @return bool
 */
function wpuf_is_license_expired() {
    $remote_addr = isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : '';

    if ( in_array( $remote_addr, [ '127.0.0.1', '::1' ], true ) ) {
        return false;
    }

    $license_status = get_option( 'wpuf_license_status' );

    // seems like this wasn't activated at all
    if ( ! isset( $license_status->update ) ) {
        return false;
    }

    // if license has expired more than 15 days ago
    $update    = strtotime( $license_status->update );
    $threshold = strtotime( '+15 days', $update );

    // printf( 'Validity: %s, Threshold: %s', date( 'd-m-Y', $update), date( 'd-m-Y', $threshold ) );

    if ( time() >= $threshold ) {
        return true;
    }

    return false;
}

/**
 * Get post form templates
 *
 * @since 2.4
 *
 * @return array
 */
function wpuf_get_post_form_templates() {
    $integrations['post_form_template_post'] = new WeDevs\Wpuf\Admin\Forms\Post\Templates\Post_Form_Template_Post();

    return apply_filters( 'wpuf_get_post_form_templates', $integrations );
}

/**
 * Get the pro form templates list
 *
 * @since 3.6.0
 *
 * @return mixed|null
 */
function wpuf_get_pro_form_previews() {
    $template_names = [];

    /**
     * Filter pro post form templates to preview
     *
     * @since 3.6.0
     *
     * @param array $template_names
     */
    return apply_filters( 'wpuf_get_pro_form_previews', $template_names );
}

/**
 * Get countries
 *
 * @since 2.4.1
 *
 * @param string $type (optional)
 *
 * @return array|string
 */
function wpuf_get_countries( $type = 'array' ) {
    $countries = include WPUF_ROOT . '/includes/Data/countries-formated.php';

    if ( 'json' === $type ) {
        $countries = json_encode( $countries );
    }

    return $countries;
}

/**
 * Get account dashboard's sections
 *
 * @since 2.4.2
 *
 * @return array
 */
function wpuf_get_account_sections() {
    $sections = [
        'edit-profile'    => __( 'Edit Profile', 'wp-user-frontend' ),
        'subscription'    => __( 'Subscription', 'wp-user-frontend' ),
        'billing-address' => __( 'Billing Address', 'wp-user-frontend' ),
    ];

    $post_types   = wpuf_get_option( 'cp_on_acc_page', 'wpuf_my_account', [ 'post' ] );
    $cpt_sections = [];

    if ( is_array( $post_types ) && $post_types ) {
        foreach ( $post_types as $post_type ) {
            $post_type_object = get_post_type_object( $post_type );

            $cpt_sections[ $post_type ] = $post_type_object->label;
        }
    }

    $sections = array_merge(
        // dashboard should be the first item
        [ 'dashboard' => __( 'Dashboard', 'wp-user-frontend' ) ],
        $cpt_sections,
        $sections
    );

    return apply_filters( 'wpuf_account_sections', $sections );
}

/**
 * Get account dashboard's sections in a list array
 *
 * @since 2.4.2
 *
 * @return array
 */
function wpuf_get_account_sections_list( $post_type = 'page' ) {
    $sections = wpuf_get_account_sections();
    $array    = [ '' => __( '&mdash; Select &mdash;', 'wp-user-frontend' ) ];

    if ( $sections ) {
        foreach ( $sections as $section => $label ) {
            $array[ $section ] = esc_attr( $label );
        }
    }

    return $array;
}
/**
 * Get all completed transactions
 *
 * @since 2.4.2
 *
 * @return array
 */
function wpuf_get_completed_transactions( $args = [] ) {
    global $wpdb;

    $defaults = [
        'number'  => 20,
        'offset'  => 0,
        'orderby' => 'id',
        'order'   => 'DESC',
        'count'   => false,
    ];

    $args = wp_parse_args( $args, $defaults );

    if ( $args['count'] ) {
        return $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->prefix}wpuf_transaction" );
    }
    //phpcs:ignore
    $result = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}wpuf_transaction ORDER BY `{$args['orderby']}` {$args['order']} LIMIT {$args['offset']}, {$args['number']}", OBJECT );

    return $result;
}

/**
 * Get all pending transactions
 *
 * @since 2.4.2
 *
 * @return array
 */
function wpuf_get_pending_transactions( $args = [] ) {
    global $wpdb;

    $defaults = [
        'number'  => 20,
        'offset'  => 0,
        'orderby' => 'id',
        'order'   => 'DESC',
        'count'   => false,
    ];

    $args = wp_parse_args( $args, $defaults );

    $pending_args = [
        'post_type'      => 'wpuf_order',
        'post_status'    => [ 'publish', 'pending' ],
        'posts_per_page' => $args['number'],
        'offset'         => $args['offset'],
        'orderby'        => $args['orderby'],
        'order'          => $args['order'],
    ];

    $wpuf_order_query = new WP_Query( $pending_args );

    if ( $args['count'] ) {
        return $wpuf_order_query->found_posts;
    }

    $transactions = $wpuf_order_query->get_posts();

    $items = [];

    foreach ( $transactions as $transaction ) {
        $info = get_post_meta( $transaction->ID, '_data', true );

        if ( ! $info ) {
            continue;
        }

        $tax      = ! empty( $info['tax'] ) ? $info['tax'] : 0;
        $subtotal = ! empty( $info['cost'] ) ? $info['cost'] : $info['price'];

        $items[] = (object) [
            'id'               => $transaction->ID,
            'user_id'          => $info['user_info']['id'],
            'status'           => 'pending',
            'subtotal'         => $subtotal,
            'cost'             => $subtotal - $tax,
            'tax'              => $tax,
            'post_id'          => ( $info['type'] === 'post' ) ? $info['item_number'] : 0,
            'pack_id'          => ( $info['type'] === 'pack' ) ? $info['item_number'] : 0,
            'payer_first_name' => $info['user_info']['first_name'],
            'payer_last_name'  => $info['user_info']['last_name'],
            'payer_email'      => $info['user_info']['email'],
            'payment_type'     => ( $info['post_data']['wpuf_payment_method'] === 'bank' ) ? 'Bank/Manual' : ucwords( $info['post_data']['wpuf_payment_method'] ),
            'transaction_id'   => 0,
            'created'          => $info['date'],
        ];
    }

    wp_reset_postdata();

    return $items;
}

/**
 * Get all pending and completed transactions
 *
 * @since 3.5.27
 *
 * @param $args
 *
 * @return array
 */
function wpuf_get_all_transactions( $args = [] ) {
    global $wpdb;
    $transaction_table = $wpdb->prefix . 'wpuf_transaction';

    $defaults = [
        'number'  => 20,
        'offset'  => 0,
        'orderby' => 'id',
        'order'   => 'DESC',
        'count'   => false,
    ];

    $orderby_keys = ['id', 'status', 'created'];
    $order_keys = ['asc', 'desc'];

    $args = wp_parse_args( $args, $defaults );

    if ( $args['count'] ) {
        return ( int ) $wpdb->get_var(
            "SELECT SUM(AllCount)
            FROM ((SELECT COUNT(*) AS AllCount FROM {$transaction_table})
            UNION ALL
                (SELECT COUNT(*) AS AllCount FROM {$wpdb->posts}
                    WHERE post_type = 'wpuf_order'
                    AND post_status IN('pending', 'publish'))) AS post_table"
        );
    }

    $orderby       = in_array( $args['orderby'], $orderby_keys ) ? $args['orderby'] : 'id';
    $sorting_order = in_array( $args['order'], $order_keys ) ? $args['order'] : 'DESC';
    $offset        = ( int ) sanitize_key( $args['offset'] );
    $number        = ( int ) sanitize_key( $args['number'] );

    // get all the completed transaction from transaction table
    // and pending transaction from post table
    $transactions = $wpdb->get_results(
        $wpdb->prepare(
            "(SELECT id, user_id, status, tax, cost, post_id, pack_id, payer_first_name, payer_last_name, payer_email, payment_type, transaction_id, created FROM {$transaction_table})
            UNION ALL
            (SELECT ID AS id, post_author AS user_id, null AS status, null AS tax, null AS cost, ID as post_id, null AS pack_id, null AS payer_first_name, null AS payer_last_name, null AS payer_email, null AS payment_type, 0 AS transaction_id, post_date AS created FROM {$wpdb->posts}
            WHERE post_type = %s)
            ORDER BY {$orderby} {$sorting_order}
            LIMIT %d, %d",
            'wpuf_order', $offset, $number
        )
    );

    if ( ! $transactions ) {
        return;
    }

    foreach ( $transactions as $transaction ) {
        if ( $transaction->status ) {
            continue;
        }

        // get metadata for pending transactions
        $info = get_post_meta( $transaction->id, '_data', true );
        $payment_method = isset( $info['post_data']['wpuf_payment_method'] ) ? $info['post_data']['wpuf_payment_method'] : '';

        $type = isset( $info['type'] ) ? $info['type'] : '';
        $item_number = isset( $info['item_number'] ) ? $info['item_number'] : 0;

        // attach data to pending transactions
        $transaction->user_id          = isset( $info['user_info']['id'] ) ? $info['user_info']['id'] : 0;
        $transaction->status           = 'pending';
        $transaction->cost             = isset( $info['price'] ) ? $info['price'] : 0;
        $transaction->tax              = isset( $info['tax'] ) ? $info['tax'] : 0;
        $transaction->post_id          = ( 'post' === $type ) ? $item_number : 0;
        $transaction->pack_id          = ( 'pack' === $type ) ? $item_number : 0;
        $transaction->payer_first_name = isset( $info['user_info']['first_name'] ) ? $info['user_info']['first_name'] : '';
        $transaction->payer_last_name  = isset( $info['user_info']['last_name'] ) ? $info['user_info']['last_name'] : '';
        $transaction->payer_email      = isset( $info['user_info']['email'] ) ? $info['user_info']['email'] : '';
        $transaction->payment_type     = ( 'bank' === $payment_method ) ? 'Bank/Manual' : ucwords( $payment_method );
        $transaction->transaction_id   = 0;
        $transaction->created          = isset( $info['date'] ) ? $info['date'] : '';
    }

    return $transactions;
}

/**
 * Get full list of currency codes.
 *
 * @since 2.4.2
 *
 * @return array
 */
function wpuf_get_currencies() {
    $currencies = [
        [
            'currency' => 'AED',
            'label' => __( 'United Arab Emirates Dirham', 'wp-user-frontend' ),
            'symbol' => 'د.إ',
        ],
        [
            'currency' => 'AUD',
            'label' => __( 'Australian Dollars', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'AZD',
            'label' => __( 'Argentine Peso', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'BDT',
            'label' => __( 'Bangladeshi Taka', 'wp-user-frontend' ),
            'symbol' => '&#2547;',
        ],
        [
            'currency' => 'BRL',
            'label' => __( 'Brazilian Real', 'wp-user-frontend' ),
            'symbol' => '&#82;&#36;',
        ],
        [
            'currency' => 'BGN',
            'label' => __( 'Bulgarian Lev', 'wp-user-frontend' ),
            'symbol' => '&#1083;&#1074;.',
        ],
        [
            'currency' => 'CAD',
            'label' => __( 'Canadian Dollars', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'CLP',
            'label' => __( 'Chilean Peso', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'CNY',
            'label' => __( 'Chinese Yuan', 'wp-user-frontend' ),
            'symbol' => '&yen;',
        ],
        [
            'currency' => 'COP',
            'label' => __( 'Colombian Peso', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'CZK',
            'label' => __( 'Czech Koruna', 'wp-user-frontend' ),
            'symbol' => '&#75;&#269;',
        ],
        [
            'currency' => 'DKK',
            'label' => __( 'Danish Krone', 'wp-user-frontend' ),
            'symbol' => 'kr.',
        ],
        [
            'currency' => 'DOP',
            'label' => __( 'Dominican Peso', 'wp-user-frontend' ),
            'symbol' => 'RD&#36;',
        ],
        [
            'currency' => 'DZD',
            'label' => __( 'Algerian Dinar', 'wp-user-frontend' ),
            'symbol' => 'DA;',
        ],
        [
            'currency' => 'EUR',
            'label' => __( 'Euros', 'wp-user-frontend' ),
            'symbol' => '&euro;',
        ],
        [
            'currency' => 'HKD',
            'label' => __( 'Hong Kong Dollar', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'HRK',
            'label' => __( 'Croatia kuna', 'wp-user-frontend' ),
            'symbol' => 'Kn',
        ],
        [
            'currency' => 'HUF',
            'label' => __( 'Hungarian Forint', 'wp-user-frontend' ),
            'symbol' => '&#70;&#116;',
        ],
        [
            'currency' => 'ISK',
            'label' => __( 'Icelandic krona', 'wp-user-frontend' ),
            'symbol' => 'Kr.',
        ],
        [
            'currency' => 'IDR',
            'label' => __( 'Indonesia Rupiah', 'wp-user-frontend' ),
            'symbol' => 'Rp',
        ],
        [
            'currency' => 'INR',
            'label' => __( 'Indian Rupee', 'wp-user-frontend' ),
            'symbol' => 'Rs',
        ],
        [
            'currency' => 'MUR',
            'label' => __( 'Mauritian Rupee', 'wp-user-frontend' ),
            'symbol' => '&#8377;',
        ],
        [
            'currency' => 'NPR',
            'label' => __( 'Nepali Rupee', 'wp-user-frontend' ),
            'symbol' => 'Rs.',
        ],
        [
            'currency' => 'ILS',
            'label' => __( 'Israeli Shekel', 'wp-user-frontend' ),
            'symbol' => '&#8362;',
        ],
        [
            'currency' => 'JPY',
            'label' => __( 'Japanese Yen', 'wp-user-frontend' ),
            'symbol' => '&yen;',
        ],
        [
            'currency' => 'KIP',
            'label' => __( 'Lao Kip', 'wp-user-frontend' ),
            'symbol' => '&#8365;',
        ],
        [
            'currency' => 'KRW',
            'label' => __( 'South Korean Won', 'wp-user-frontend' ),
            'symbol' => '&#8361;',
        ],
        [
            'currency' => 'MYR',
            'label' => __( 'Malaysian Ringgits', 'wp-user-frontend' ),
            'symbol' => '&#82;&#77;',
        ],
        [
            'currency' => 'MXN',
            'label' => __( 'Mexican Peso', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'NGN',
            'label' => __( 'Nigerian Naira', 'wp-user-frontend' ),
            'symbol' => '&#8358;',
        ],
        [
            'currency' => 'NOK',
            'label' => __( 'Norwegian Krone', 'wp-user-frontend' ),
            'symbol' => '&#107;&#114;',
        ],
        [
            'currency' => 'NZD',
            'label' => __( 'New Zealand Dollar', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'NAD',
            'label' => __( 'Namibian dollar', 'wp-user-frontend' ),
            'symbol' => 'N&#36;',
        ],
        [
            'currency' => 'OMR',
            'label' => __( 'Omani Rial', 'wp-user-frontend' ),
            'symbol' => 'ر.ع.',
        ],
        [
            'currency' => 'IRR',
            'label' => __( 'Iranian Rial', 'wp-user-frontend' ),
            'symbol' => '﷼',
        ],
        [
            'currency' => 'PKR',
            'label' => __( 'Pakistani Rupee', 'wp-user-frontend' ),
            'symbol' => 'Rs',
        ],
        [
            'currency' => 'PYG',
            'label' => __( 'Paraguayan Guaraní', 'wp-user-frontend' ),
            'symbol' => '&#8370;',
        ],
        [
            'currency' => 'PHP',
            'label' => __( 'Philippine Pesos', 'wp-user-frontend' ),
            'symbol' => '&#8369;',
        ],
        [
            'currency' => 'PLN',
            'label' => __( 'Polish Zloty', 'wp-user-frontend' ),
            'symbol' => '&#122;&#322;',
        ],
        [
            'currency' => 'GBP',
            'label' => __( 'Pounds Sterling', 'wp-user-frontend' ),
            'symbol' => '&pound;',
        ],
        [
            'currency' => 'RON',
            'label' => __( 'Romanian Leu', 'wp-user-frontend' ),
            'symbol' => 'lei',
        ],
        [
            'currency' => 'RUB',
            'label' => __( 'Russian Ruble', 'wp-user-frontend' ),
            'symbol' => '&#1088;&#1091;&#1073;.',
        ],
        [
            'currency' => 'SR',
            'label' => __( 'Saudi Riyal', 'wp-user-frontend' ),
            'symbol' => 'SR',
        ],
        [
            'currency' => 'SGD',
            'label' => __( 'Singapore Dollar', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'ZAR',
            'label' => __( 'South African rand', 'wp-user-frontend' ),
            'symbol' => '&#82;',
        ],
        [
            'currency' => 'SEK',
            'label' => __( 'Swedish Krona', 'wp-user-frontend' ),
            'symbol' => '&#107;&#114;',
        ],
        [
            'currency' => 'CHF',
            'label' => __( 'Swiss Franc', 'wp-user-frontend' ),
            'symbol' => '&#67;&#72;&#70;',
        ],
        [
            'currency' => 'TWD',
            'label' => __( 'Taiwan New Dollars', 'wp-user-frontend' ),
            'symbol' => '&#78;&#84;&#36;',
        ],
        [
            'currency' => 'THB',
            'label' => __( 'Thai Baht', 'wp-user-frontend' ),
            'symbol' => '&#3647;',
        ],
        [
            'currency' => 'TRY',
            'label' => __( 'Turkish Lira', 'wp-user-frontend' ),
            'symbol' => '&#8378;',
        ],
        [
            'currency' => 'TTD',
            'label' => __( 'Trinidad and Tobago Dollar', 'wp-user-frontend' ),
            'symbol' => '&#84;&#84;&#36;',
        ],
        [
            'currency' => 'USD',
            'label' => __( 'US Dollar', 'wp-user-frontend' ),
            'symbol' => '&#36;',
        ],
        [
            'currency' => 'VND',
            'label' => __( 'Vietnamese Dong', 'wp-user-frontend' ),
            'symbol' => '&#8363;',
        ],
        [
            'currency' => 'EGP',
            'label' => __( 'Egyptian Pound', 'wp-user-frontend' ),
            'symbol' => 'EGP',
        ],
        [
            'currency' => 'JOD',
            'label' => __( 'Jordanian dinar', 'wp-user-frontend' ),
            'symbol' => 'د.أ',
        ],
    ];

    return apply_filters( 'wpuf_currencies', $currencies );
}

/**
 * Get global currency
 *
 * @since 2.4.2
 *
 * @param string $type
 *
 * @return mixed
 */
function wpuf_get_currency( $type = '' ) {
    $currency_code = wpuf_get_option( 'currency', 'wpuf_payment', 'USD' );

    if ( 'code' === $type ) {
        return $currency_code;
    }

    $currencies = wpuf_get_currencies();
    $index      = array_search( $currency_code, array_column( $currencies, 'currency' ), true );
    $currency   = $currencies[ $index ];

    if ( 'symbol' === $type ) {
        return $currency['symbol'];
    }

    return $currency;
}

/**
 * Get the price format depending on the currency position.
 *
 * @return string
 */
function get_wpuf_price_format() {
    $currency_pos = wpuf_get_option( 'currency_position', 'wpuf_payment', 'left' );
    $format       = '%1$s%2$s';

    switch ( $currency_pos ) {
        case 'left':
            $format = '%1$s%2$s';
            break;

        case 'right':
            $format = '%2$s%1$s';
            break;

        case 'left_space':
            $format = '%1$s&nbsp;%2$s';
            break;

        case 'right_space':
            $format = '%2$s&nbsp;%1$s';
            break;
    }

    return apply_filters( 'wpuf_price_format', $format, $currency_pos );
}

/**
 * Return the thousand separator for prices.
 *
 * @since  2.4.4
 *
 * @return string
 */
function wpuf_get_price_thousand_separator() {
    $separator = stripslashes( wpuf_get_option( 'wpuf_price_thousand_sep', 'wpuf_payment', ',' ) );

    return $separator;
}

/**
 * Return the decimal separator for prices.
 *
 * @since  2.4.4
 *
 * @return string
 */
function wpuf_get_price_decimal_separator() {
    $separator = stripslashes( wpuf_get_option( 'wpuf_price_decimal_sep', 'wpuf_payment', '.' ) );

    return $separator;
}

/**
 * Return the number of decimals after the decimal point.
 *
 * @since  2.4.4
 *
 * @return int
 */
function wpuf_get_price_decimals() {
    return absint( wpuf_get_option( 'wpuf_price_num_decimals', 'wpuf_payment', 2 ) );
}

/**
 * Trim trailing zeros off prices.
 *
 * @param mixed $price
 *
 * @return string
 */
function wpuf_trim_zeros( $price ) {
    return preg_replace( '/' . preg_quote( wc_get_price_decimal_separator(), '/' ) . '0++$/', '', $price );
}

/**
 * Format the pricing number
 *
 * @since 2.4.2
 *
 * @param number $number
 * @param  array
 *
 * @return mixed
 */
function wpuf_format_price( $price, $formated = true, $args = [] ) {

      $price_args = apply_filters(
            'wpuf_price_args', wp_parse_args(
                $args, [
                    'currency'           => $formated ? wpuf_get_currency( 'symbol' ) : '',
                    'decimal_separator'  => wpuf_get_price_decimal_separator(),
                    'thousand_separator' => $formated ? wpuf_get_price_thousand_separator() : '',
                    'decimals'           => wpuf_get_price_decimals(),
                    'price_format'       => get_wpuf_price_format(),
                ]
            )
        );

    $currency = $price_args['currency'];
    $decimal_separator = $price_args['decimal_separator'];
    $thousand_separator = $price_args['thousand_separator'];
    $decimals = $price_args['decimals'];
    $price_format = $price_args['price_format'];
    $negative        = $price < 0;
    $price           = apply_filters( 'wpuf_raw_price', floatval( $negative ? $price * -1 : $price ) );
    $price           = apply_filters( 'wpuf_formatted_price', number_format( $price, $decimals, $decimal_separator, $thousand_separator ), $price, $decimals, $decimal_separator, $thousand_separator );

    if ( apply_filters( 'wpuf_price_trim_zeros', false ) && $decimals > 0 ) {
        $price = wpuf_trim_zeros( $price );
    }

    $formatted_price = ( $negative ? '-' : '' ) . sprintf( $price_format, $currency, $price );

    return apply_filters( 'wpuf_format_price', $formatted_price, $price, $args );
}

/*
 * Polyfill of array_column function
 *
 * @since 2.4.3
 */
if ( ! function_exists( 'array_column' ) ) {
    function array_column( $input, $column_key, $index_key = null ) {
        $result = [];

        foreach ( $input as $k => $v ) {
            $result[ $index_key ? $v[ $index_key ] : $k ] = $v[ $column_key ];
        }

        return $result;
    }
}

/**
 * API to duplicate a form
 *
 * @since 2.5
 *
 * @param int $post_id
 *
 * @return int New duplicated form id
 */
function wpuf_duplicate_form( $post_id ) {
    $post = get_post( $post_id );

    if ( ! $post ) {
        return;
    }

    $contents = wpuf_get_form_fields( $post_id );

    $new_form = [
        'post_title'  => $post->post_title,
        'post_type'   => $post->post_type,
        'post_status' => 'draft',
    ];

    $form_id = wp_insert_post( $new_form );

    foreach ( $contents as $content ) {
        wpuf_insert_form_field( $form_id, $content );
    }

    // update the post title to remove confusion
    wp_update_post(
        [
            'ID'         => $form_id,
            'post_title' => $post->post_title . ' (#' . $form_id . ')',
        ]
    );

    if ( $form_id ) {
        $form_settings = wpuf_get_form_settings( $post_id );
        $notifications = wpuf_get_form_notifications( $post_id );

        update_post_meta( $form_id, 'wpuf_form_settings', $form_settings );
        update_post_meta( $form_id, 'notifications', $notifications );

        return $form_id;
    }

    return 0;
}

/**
 * Save form fields
 *
 * @since 2.5
 *
 * @param int   $form_id
 * @param array $field
 * @param int   $field_id
 * @param int   $order
 *
 * @return int ID of updated or inserted post
 */
function wpuf_insert_form_field( $form_id, $field = [], $field_id = null, $order = 0 ) {
    $args = [
        'post_type'    => 'wpuf_input',
        'post_parent'  => $form_id,
        'post_status'  => 'publish',
        'post_content' => maybe_serialize( wp_unslash( $field ) ),
        'menu_order'   => $order,
    ];

    if ( $field_id ) {
        $args['ID'] = $field_id;
    }

    if ( $field_id ) {
        return wp_update_post( $args );
    } else {
        return wp_insert_post( $args );
    }
}

/**
 * Create a sample / base form
 *
 * @since  2.5
 *
 * @param string $post_title (optional)
 * @param string $post_type  (optional)
 * @param bool   $blank      (optional)
 *
 * @return int
 */
function wpuf_create_sample_form( $post_title = 'Sample Form', $post_type = 'wpuf_forms', $blank = false ) {
    $form_id = wp_insert_post(
        [
            'post_title'     => $post_title,
            'post_type'      => $post_type,
            'post_status'    => 'publish',
            'comment_status' => 'closed',
            'post_content'   => '',
        ]
    );

    if ( ! $form_id ) {
        return false;
    }

    $form_fields = [];
    $settings    = [];

    // Post form
    if ( 'wpuf_forms' === $post_type ) {
        $form_fields = [
            [
                'input_type'  => 'text',
                'template'    => 'post_title',
                'required'    => 'yes',
                'label'       => 'Post Title',
                'name'        => 'post_title',
                'is_meta'     => 'no',
                'help'        => '',
                'css'         => '',
                'placeholder' => '',
                'default'     => '',
                'size'        => '40',
                'wpuf_cond'   => [],
            ],
            [
                'input_type'   => 'textarea',
                'template'     => 'post_content',
                'required'     => 'yes',
                'label'        => 'Post Content',
                'name'         => 'post_content',
                'is_meta'      => 'no',
                'help'         => '',
                'css'          => '',
                'rows'         => '5',
                'cols'         => '25',
                'placeholder'  => '',
                'default'      => '',
                'rich'         => 'teeny',
                'insert_image' => 'yes',
                'wpuf_cond'    => [],
            ],
        ];

        $settings = [
            'post_type'           => 'post',
            'post_status'         => 'publish',
            'post_format'         => '0',
            'default_cat'         => '-1',
            'guest_post'          => 'false',
            'guest_details'       => 'true',
            'name_label'          => 'Name',
            'email_label'         => 'Email',
            'message_restrict'    => 'This page is restricted. Please %login% / %register% to view this page.',
            'redirect_to'         => 'post',
            'message'             => 'Post saved',
            'page_id'             => '',
            'url'                 => '',
            'comment_status'      => 'open',
            'submit_text'         => 'Submit',
            'submit_button_cond'  => [
                'condition_status' => 'no',
                'cond_logic'       => 'any',
                'conditions'       => [
                    [
                        'name'             => '',
                        'operator'         => '=',
                        'option'           => '',
                    ],
                ],
            ],
            'draft_post'       => 'false',
            'edit_post_status' => 'publish',
            'edit_redirect_to' => 'same',
            'update_message'   => 'Post updated successfully',
            'edit_page_id'     => '',
            'edit_url'         => '',
            'subscription'     => '- Select -',
            'update_text'      => 'Update',
            'notification'     => [
                'new'          => 'on',
                'new_to'       => get_option( 'admin_email' ),
                'new_subject'  => 'New post created',
                'new_body'     => "Hi Admin, \r\n\r\nA new post has been created in your site %sitename% (%siteurl%). \r\n\r\nHere is the details: \r\nPost Title: %post_title% \r\nContent: %post_content% \r\nAuthor: %author% \r\nPost URL: %permalink% \r\nEdit URL: %editlink%",
                'edit'         => 'off',
                'edit_to'      => get_option( 'admin_email' ),
                'edit_subject' => 'A post has been edited',
                'edit_body'    => "Hi Admin, \r\n\r\nThe post \"%post_title%\" has been updated. \r\n\r\nHere is the details: \r\nPost Title: %post_title% \r\nContent: %post_content% \r\nAuthor: %author% \r\nPost URL: %permalink% \r\nEdit URL: %editlink%",
            ],
        ];
    }

    // Profile form
    if ( 'wpuf_profile' === $post_type ) {
        $form_fields = [
            [
                'input_type'  => 'email',
                'template'    => 'user_email',
                'required'    => 'yes',
                'label'       => 'Email',
                'name'        => 'user_email',
                'is_meta'     => 'no',
                'help'        => '',
                'css'         => '',
                'placeholder' => '',
                'default'     => '',
                'size'        => '40',
                'wpuf_cond'   => null,
            ],
            [
                'input_type'    => 'password',
                'template'      => 'password',
                'required'      => 'yes',
                'label'         => 'Password',
                'name'          => 'password',
                'is_meta'       => 'no',
                'help'          => '',
                'css'           => '',
                'placeholder'   => '',
                'default'       => '',
                'size'          => '40',
                'min_length'    => '5',
                'repeat_pass'   => 'yes',
                're_pass_label' => 'Confirm Password',
                'pass_strength' => 'yes',
                'wpuf_cond'     => null,
            ],
        ];

        $settings = [
            'role'             => 'subscriber',
            'reg_redirect_to'  => 'same',
            'message'          => 'Registration successful',
            'update_message'   => 'Profile updated successfully',
            'reg_page_id'      => '0',
            'registration_url' => '',
            'profile_url'      => '',
            'submit_text'      => 'Register',
            'update_text'      => 'Update Profile',
        ];
    }

    if ( ! empty( $form_fields ) && ! $blank ) {
        foreach ( $form_fields as $order => $field ) {
            wpuf_insert_form_field( $form_id, $field, false, $order );
        }
    }

    if ( ! empty( $settings ) ) {
        update_post_meta( $form_id, 'wpuf_form_settings', $settings );
    }

    //set form Version
    update_post_meta( $form_id, 'wpuf_form_version', WPUF_VERSION );

    return $form_id;
}

/**
 * Get the client IP address
 *
 * @since 2.5.2
 *
 * @return string
 */
function wpuf_get_client_ip() {
    $ipaddress = '';

    if ( isset( $_SERVER['HTTP_CLIENT_IP'] ) ) {
        $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['HTTP_CLIENT_IP'] ) );
    } elseif ( isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
        $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_FORWARDED_FOR'] ) );
    } elseif ( isset( $_SERVER['HTTP_X_FORWARDED'] ) ) {
        $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_FORWARDED'] ) );
    } elseif ( isset( $_SERVER['HTTP_FORWARDED_FOR'] ) ) {
        $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['HTTP_FORWARDED_FOR'] ) );
    } elseif ( isset( $_SERVER['HTTP_FORWARDED'] ) ) {
        $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['HTTP_FORWARDED'] ) );
    } elseif ( isset( $_SERVER['REMOTE_ADDR'] ) ) {
        $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) );
    } else {
        $ipaddress = 'UNKNOWN';
    }

    return $ipaddress;
}

/**
 * Delete a form with it's field and meta
 *
 * @since 2.5.2
 *
 * @param int  $form_id
 * @param bool $force
 *
 * @return void
 */
function wpuf_delete_form( $form_id, $force = true ) {
    global $wpdb;

    wp_delete_post( $form_id, $force );

    // delete form inputs as WP doesn't know the relationship
    $wpdb->delete(
        $wpdb->posts,
        [
            'post_parent' => $form_id,
            'post_type'   => 'wpuf_input',
        ]
    );
}

/**
 * Check save draft post status based on subscription
 *
 * @since 2.5.2
 *
 * @param array $form_settings
 *
 * @return string $post_status
 */
function wpuf_get_draft_post_status( $form_settings ) {
    $noce = isset( $_REQUEST['_wpnonce'] ) ? sanitize_key( wp_unslash( $_REQUEST['_wpnonce'] ) ) : '';

    if ( isset( $nonce ) && ! wp_verify_nonce( $noce, 'wpuf_form_add' ) ) {
        return;
    }

    $post_status                 = 'draft';
    $current_user                = wpuf_get_user();
    $charging_enabled            = $current_user->subscription()->current_pack_id();
    $user_wpuf_subscription_pack = get_user_meta( get_current_user_id(), '_wpuf_subscription_pack', true );

    if ( $charging_enabled && ! isset( $_POST['post_id'] ) ) {
        if ( ! empty( $user_wpuf_subscription_pack ) ) {
            if ( $current_user->subscription()->expired() ) {
                $post_status = 'pending';
            }
        }
    }

    return $post_status;
}

/**
 * Show helper texts to understand the type of page in admin page listing
 *
 * @since 2.6.0
 *
 * @param array   $state
 * @param WP_Post $post
 *
 * @return array
 */
function wpuf_admin_page_states( $state, $post ) {
    if ( 'page' !== $post->post_type ) {
        return $state;
    }

    $pattern = '/\[(wpuf[\w\-\_]+).+\]/';

    preg_match_all( $pattern, $post->post_content, $matches );
    $matches = array_unique( $matches[0] );

    if ( ! empty( $matches ) ) {
        $page      = '';
        $shortcode = $matches[0];

        if ( '[wpuf_account]' === $shortcode ) {
            $page = 'WPUF Account Page';
        } elseif ( '[wpuf_edit]' === $shortcode ) {
            $page = 'WPUF Post Edit Page';
        } elseif ( '[wpuf-login]' === $shortcode ) {
            $page = 'WPUF Login Page';
        } elseif ( '[wpuf_sub_pack]' === $shortcode ) {
            $page = 'WPUF Subscription Page';
        } elseif ( '[wpuf_editprofile]' === $shortcode ) {
            $page = 'WPUF Profile Edit Page';
        } elseif ( stristr( $shortcode, '[wpuf_dashboard' ) ) {
            $page = 'WPUF Dashboard Page';
        } elseif ( stristr( $shortcode, '[wpuf_profile type="registration"' ) ) {
            $page = 'WPUF Registration Page';
        } elseif ( stristr( $shortcode, '[wpuf_profile type="profile"' ) ) {
            $page = 'WPUF Profile Edit Page';
        } elseif ( stristr( $shortcode, '[wpuf_form' ) ) {
            $page = 'WPUF Form Page';
        }

        if ( ! empty( $page ) ) {
            $state['wpuf'] = $page;
        }
    }

    return $state;
}

add_filter( 'display_post_states', 'wpuf_admin_page_states', 10, 2 );

/**
 * Encryption function for various usage
 *
 * @since 2.5.8
 * @since 2.5.29 param $nonce added
 *
 * @param string $id
 * @param string $nonce
 *
 * @return string|bool encoded string or false if encryption failed
 */
function wpuf_encryption( $id, $nonce = null ) {
    $auth_keys  = WeDevs\Wpuf\Encryption_Helper::get_encryption_auth_keys();
    $secret_key = $auth_keys['auth_key'];
    $secret_iv  = ! empty( $nonce ) ? base64_decode( $nonce ) : $auth_keys['auth_salt'];

    if ( function_exists( 'sodium_crypto_secretbox' ) ) {
        try {
            return base64_encode( sodium_crypto_secretbox( $id, $secret_iv, $secret_key ) );
        } catch ( Exception $e ) {
            delete_option( 'wpuf_auth_keys' );
            return false;
        }
    }

    $ciphertext_raw = openssl_encrypt( $id, Encryption_Helper::get_encryption_method(), $secret_key, OPENSSL_RAW_DATA, $secret_iv );
    $hmac           = hash_hmac( 'sha256', $ciphertext_raw, $secret_key, true );

    return base64_encode( $secret_iv.$hmac.$ciphertext_raw );
}

/**
 * Decryption function for various usage
 *
 * @since 2.5.8
 * @since 2.5.29 param $nonce added
 *
 * @param string $id
 * @param string $nonce
 *
 * @return string|bool decrypted string or false if decryption failed
 */
function wpuf_decryption( $id, $nonce = null ) {
    // get auth keys
    $auth_keys = Encryption_Helper::get_encryption_auth_keys();
    if ( empty( $auth_keys ) ) {
        return false;
    }

    $secret_key = $auth_keys['auth_key'];
    $secret_iv  = ! empty( $nonce ) ? base64_decode( $nonce ) : $auth_keys['auth_salt'];

    // should we use sodium_crypto_secretbox_open
    if ( function_exists( 'sodium_crypto_secretbox_open') ) {
        try {
            return sodium_crypto_secretbox_open( base64_decode( $id ), $secret_iv, $secret_key );
        } catch ( Exception $e ) {
            delete_option( 'wpuf_auth_keys' );
            return false;
        }
    }

    $c              = base64_decode( $id );
    $ivlen          = Encryption_Helper::get_encryption_nonce_length();
    $secret_iv      = substr( $c, 0, $ivlen );
    $hmac           = substr( $c, $ivlen, 32 );
    $ciphertext_raw = substr( $c, $ivlen + 32 );
    $original_text  = openssl_decrypt( $ciphertext_raw, Encryption_Helper::get_encryption_method(), $secret_key, OPENSSL_RAW_DATA, $secret_iv );
    $calcmac        = hash_hmac( 'sha256', $ciphertext_raw, $secret_key, true );

    // timing attack safe comparison
    if ( hash_equals( $hmac, $calcmac ) ) {
        return $original_text;
    }

    return false;
}

/**
 * Send guest verification mail
 *
 * @since 2.5.8
 *
 * @param string $post_id_encoded, $form_id_encoded, $charging_enabled, $flag
 *
 * @return void
 */
function wpuf_send_mail_to_guest( $post_id_encoded, $form_id_encoded, $charging_enabled, $flag ) {
    if ( 'on' !== wpuf_get_option( 'enable_guest_email_notification', 'wpuf_mails', 'on' ) ) {
        return;
    }

    $noce = isset( $_REQUEST['_wpnonce'] ) ? sanitize_key( wp_unslash( $_REQUEST['_wpnonce'] ) ) : '';

    if ( isset( $nonce ) && ! wp_verify_nonce( $noce, 'wpuf_edit' ) ) {
        return;
    }

    if ( $charging_enabled ) {
        $encoded_guest_url = add_query_arg(
            [
                'p_id'     => $post_id_encoded,
                'f_id'     => $form_id_encoded,
                'post_msg' => 'verified',
                'f'        => 2,
            ], get_home_url()
        );
    } else {
        $encoded_guest_url = add_query_arg(
            [
                'p_id'     => $post_id_encoded,
                'f_id'     => $form_id_encoded,
                'post_msg' => 'verified',
                'f'        => 1,
            ], get_home_url()
        );
    }

    $default_body     = 'Hey There, <br> <br> We just received your guest post and now we want you to confirm your email so that we can verify the content and move on to the publishing process. <br> <br> Please click the link below to verify: <br> <br> <a href="' . $encoded_guest_url . '">Publish Post</a> <br> <br> Regards, <br> <br>' . bloginfo( 'name' );
    $to               = isset( $_POST['guest_email'] ) ? sanitize_email( wp_unslash( $_POST['guest_email'] ) ) : '';
    $guest_email_sub  = wpuf_get_option( 'guest_email_subject', 'wpuf_mails', 'Please Confirm Your Email to Get the Post Published!' );
    $subject          = $guest_email_sub;
    $guest_email_body = wpuf_get_option( 'guest_email_body', 'wpuf_mails', $default_body );

    if ( ! empty( $guest_email_body ) ) {
        $blogname     = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
        $field_search = [ '{activation_link}', '{sitename}' ];

        $field_replace = [
            '<a href="' . $encoded_guest_url . '">Publish Post</a>',
            $blogname,
        ];

        $body = str_replace( $field_search, $field_replace, $guest_email_body );
    } else {
        $body = $default_body;
    }

    $body = get_formatted_mail_body( $body, $subject );

    wp_mail( $to, $subject, $body );
}

/**
 * Check if it's post form builder
 *
 * @since 2.6
 *
 * @return bool
 */
function is_wpuf_post_form_builder() {
    $page = isset( $_GET['page'] ) ? sanitize_text_field( wp_unslash( $_GET['page'] ) ) : '';

    return 'wpuf-post-forms' === $page ? true : false;
}

/**
 * Check if it's profile form builder
 *
 * @since 2.6
 *
 * @return bool
 */
function is_wpuf_profile_form_builder() {
    $page = isset( $_GET['page'] ) ? sanitize_text_field( wp_unslash( $_GET['page'] ) ) : '';

    return 'wpuf-profile-forms' === $page ? true : false;
}

/**
 * Get a WP User
 *
 * @since 2.6.0
 *
 * @param int|WP_User $user_id
 *
 * @return WeDevs\Wpuf\WPUF_User
 */
function wpuf_get_user( $user = null ) {
    if ( ! $user ) {
        $user = wp_get_current_user();
    }

    return new WeDevs\Wpuf\WPUF_User( $user );
}

/**
 * Add all terms as allowed terms
 *
 * @since 2.7.0
 *
 * @return void
 */
function wpuf_set_all_terms_as_allowed() {
    if ( class_exists( 'WP_User_Frontend_Pro' ) ) {
        $subscriptions  = ( new Subscription() )->get_subscriptions();
        $allowed_term   = [];

        foreach ( $subscriptions as $pack ) {
            if ( ! metadata_exists( 'post', $pack->ID, '_sub_allowed_term_ids' ) ) {
                $cts = get_taxonomies( [ '_builtin' => true ], 'objects' );
                ?>
                <?php
                foreach ( $cts as $ct ) {
                    if ( is_taxonomy_hierarchical( $ct->name ) ) {
                        $tax_terms = get_terms(
                            [
                                'taxonomy'   => $ct->name,
                                'hide_empty' => false,
                            ]
                        );

                        foreach ( $tax_terms as $tax_term ) {
                            $allowed_term[] = $tax_term->term_id;
                        }
                    }
                }

                $cts = get_taxonomies( [ '_builtin' => false ], 'objects' );
                ?>
                <?php
                foreach ( $cts as $ct ) {
                    if ( is_taxonomy_hierarchical( $ct->name ) ) {
                        $tax_terms = get_terms(
                            [
                                'taxonomy'   => $ct->name,
                                'hide_empty' => false,
                            ]
                        );

                        foreach ( $tax_terms as $tax_term ) {
                            $allowed_term[] = $tax_term->term_id;
                        }
                    }
                }

                update_post_meta( $pack->ID, '_sub_allowed_term_ids', $allowed_term );
            }
        }
    }
}

/**
 * Post submitted by form
 *
 * @since 2.8
 *
 * @param int $form_id
 *
 * @return List of WP_Post objects
 */
function wpuf_posts_submitted_by( $form_id ) {
    $settings = wpuf_get_form_settings( $form_id );
    $settings['post_type'];
    $args = [
        'meta_key'         => '_wpuf_form_id',
        'meta_value'       => $form_id,
        'post_type'        => $settings['post_type'],
        'post_status'      => 'publish',
    ];
    $posts_array = get_posts( $args );

    return $posts_array;
}

/**
 * Count post submitted by form
 *
 * @since 2.8
 *
 * @param int $form_id
 *
 * @return int
 */
function wpuf_form_posts_count( $form_id ) {
    return count( wpuf_posts_submitted_by( $form_id ) );
}

/**
 * Get formatted email body
 *
 * @since  2.9
 *
 * @param string $message
 *
 * @return string
 */
function get_formatted_mail_body( $message, $subject ) {
    if ( wpuf()->is_pro() && wpuf_pro_is_module_active( 'email-templates/email-templates.php' ) ) {
        $css    = '';
        $header = apply_filters( 'wpuf_email_header', '', $subject );
        $footer = apply_filters( 'wpuf_email_footer', '' );

        if ( empty( $header ) ) {
            ob_start();
            if ( function_exists( 'wpuf_load_pro_template' ) ) {
                wpuf_load_pro_template( 'email/header.php', [ 'subject' => $subject ] );
            }

            $header = ob_get_clean();
        }

        if ( empty( $footer ) ) {
            ob_start();

            if ( function_exists( 'wpuf_load_pro_template' ) ) {
                wpuf_load_pro_template( 'email/footer.php', [] );
            }

            $footer = ob_get_clean();
        }

        ob_start();

        if ( function_exists( 'wpuf_load_pro_template' ) ) {
            wpuf_load_pro_template( 'email/style.php', [] );
        }

        $css = apply_filters( 'wpuf_email_style', ob_get_clean() );

        $content = $header . '<pre>' . $message . '</pre>' . $footer;

        if ( ! class_exists( 'Emogrifier' ) ) {
            require_once WPUF_PRO_ROOT . '/assets/vendor/Emogrifier.php';
        }

        try {
            // apply CSS styles inline for picky email clients
            $emogrifier = new Emogrifier( $content, $css );
            $emogrifier->enableCssToHtmlMapping();

            return $emogrifier->emogrify();
        } catch ( Exception $e ) {
            echo esc_html( $e->getMessage() );
        }

    }

    return $message;
}

/**
 * Renders an HTML Dropdown
 *
 * @param array $args
 *
 * @return string
 */
function wpuf_select( $args = [] ) {
    $defaults = [
        'options'          => [],
        'name'             => null,
        'class'            => '',
        'id'               => '',
        'selected'         => [],
        'chosen'           => false,
        'placeholder'      => null,
        'multiple'         => false,
        'show_option_all'  => __( 'All', 'wp-user-frontend' ),
        'show_option_none' => __( 'None', 'wp-user-frontend' ),
        'data'             => [],
        'readonly'         => false,
        'disabled'         => false,
    ];

    $args = wp_parse_args( $args, $defaults );

    $data_elements = '';
    $selected      = '';

    foreach ( $args['data'] as $key => $value ) {
        $data_elements .= ' data-' . esc_attr( $key ) . '="' . esc_attr( $value ) . '"';
    }

    if ( $args['multiple'] ) {
        $multiple = ' MULTIPLE';
    } else {
        $multiple = '';
    }

    if ( $args['chosen'] ) {
        $args['class'] .= ' wpuf-select-chosen';

        if ( is_rtl() ) {
            $args['class'] .= ' chosen-rtl';
        }
    }

    if ( $args['placeholder'] ) {
        $placeholder = $args['placeholder'];
    } else {
        $placeholder = '';
    }

    if ( isset( $args['readonly'] ) && $args['readonly'] ) {
        $readonly = ' readonly="readonly"';
    } else {
        $readonly = '';
    }

    if ( isset( $args['disabled'] ) && $args['disabled'] ) {
        $disabled = ' disabled="disabled"';
    } else {
        $disabled = '';
    }

    $class  = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
    $output = '<select' . $disabled . $readonly . ' name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( str_replace( '-', '_', $args['id'] ) ) . '" class="wpuf-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '"' . $data_elements . '>';

    if ( ! isset( $args['selected'] ) || ( is_array( $args['selected'] ) && empty( $args['selected'] ) ) || ! $args['selected'] ) {
        $selected = '';
    }

    if ( $args['show_option_all'] ) {
        if ( $args['multiple'] && ! empty( $args['selected'] ) ) {
            $selected = selected( true, in_array( 0, $args['selected'], true ), false );
        } else {
            $selected = selected( $args['selected'], 0, false );
        }
        $output .= '<option value="all"' . $selected . '>' . esc_html( $args['show_option_all'] ) . '</option>';
    }

    if ( ! empty( $args['options'] ) ) {
        if ( $args['show_option_none'] ) {
            if ( $args['multiple'] ) {
                $selected = selected( true, in_array( -1, $args['selected'], true ), false );
            } elseif ( isset( $args['selected'] ) && ! is_array( $args['selected'] ) && ! empty( $args['selected'] ) ) {
                $selected = selected( $args['selected'], -1, false );
            }
            $output .= '<option value="-1"' . $selected . '>' . esc_html( $args['show_option_none'] ) . '</option>';
        }

        foreach ( $args['options'] as $key => $option ) {
            if ( $args['multiple'] && is_array( $args['selected'] ) ) {
                $selected = selected( true, in_array( (string) $key, $args['selected'], true ), false );
            } elseif ( isset( $args['selected'] ) && ! is_array( $args['selected'] ) ) {
                $selected = selected( $args['selected'], $key, false );
            }

            $output .= '<option value="' . esc_attr( $key ) . '"' . $selected . '>' . esc_html( $option ) . '</option>';
        }
    }

    $output .= '</select>';

    return $output;
}

/**
 * Renders a Text field in settings field
 *
 * @param array $args Arguments for the text field
 *
 * @return string Text field
 */
function wpuf_text( $args = [] ) {
    $defaults = [
        'id'           => '',
        'name'         => isset( $name ) ? $name : 'text',
        'value'        => isset( $value ) ? $value : null,
        'label'        => isset( $label ) ? $label : null,
        'desc'         => isset( $desc ) ? $desc : null,
        'placeholder'  => '',
        'class'        => 'regular-text',
        'disabled'     => false,
        'autocomplete' => '',
        'data'         => false,
    ];

    $args = wp_parse_args( $args, $defaults );

    $class    = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
    $disabled = '';

    if ( $args['disabled'] ) {
        $disabled = ' disabled="disabled"';
    }

    $data = '';

    if ( ! empty( $args['data'] ) ) {
        foreach ( $args['data'] as $key => $value ) {
            $data .= 'data-' . $key . '="' . esc_attr( $value ) . '" ';
        }
    }

    $output = '<span id="wpuf-' . $args['name'] . '-wrap">';

    if ( ! empty( $args['label'] ) ) {
        $output .= '<label class="wpuf-label" for="' . $args['id'] . '">' . esc_html( $args['label'] ) . '</label>';
    }

    if ( ! empty( $args['desc'] ) ) {
        $output .= '<span class="wpuf-description">' . wp_kses_post( $args['desc'] ) . '</span>';
    }

    $output .= '<input type="text" name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] ) . '" autocomplete="' . esc_attr( $args['autocomplete'] ) . '" value="' . esc_attr( $args['value'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" class="' . $class . '" ' . $data . '' . $disabled . '/>';

    $output .= '</span>';

    return $output;
}

/**
 * Descriptive text callback
 *
 * @param array $args Arguments passed by the setting
 *
 * @return void
 */
function wpuf_descriptive_text( $args ) {
    echo wp_kses_post( $args['desc'] );
}

/**
 * Update the value of a settings field
 *
 * @param string $option  settings field name
 * @param string $section the section name this field belongs to
 * @param string $value   the value to be set
 *
 * @return mixed
 */
function wpuf_update_option( $option, $section, $value ) {
    $options = get_option( $section );

    if ( ! is_array( $options ) ) {
        $options = array();
    }

    $options[ $option ] = $value;

    update_option( $section, $options );
}

/**
 * Get terms of related taxonomy
 *
 * @since  2.8.5
 *
 * @param string $taxonomy
 *
 * @return array
 */
function wpuf_get_terms( $taxonomy = 'category' ) {
    $items = [];

    $terms = get_terms(
        [
            'taxonomy'   => $taxonomy,
            'hide_empty' => false,
        ]
    );

    foreach ( $terms as $key => $term ) {
        $items[ $term->term_id ] = $term->name;
    }

    return $items;
}

/**
 * Retrieve a states drop down
 *
 * @return void
 */
function wpuf_ajax_get_states_field() {
    check_ajax_referer( 'wpuf_ajax_address' );

    $country = isset( $_POST['country'] ) ? sanitize_text_field( wp_unslash( $_POST['country'] ) ) : '';
    $cs        = new WeDevs\Wpuf\Data\Country_State();
    $countries = $cs->countries();
    $states    = $cs->getStates( $countries[ $country ] );

    if ( ! empty( $states ) ) {
        $args = [
            'name'             => isset( $_POST['field_name'] ) ? sanitize_text_field( wp_unslash( $_POST['field_name'] ) ) : '',
            'id'               => isset( $_POST['field_name'] ) ? sanitize_text_field( wp_unslash( $_POST['field_name'] ) ) : '',
            'class'            => isset( $_POST['field_name'] ) ? sanitize_text_field( wp_unslash( $_POST['field_name'] ) ) : '',
            'options'          => $states,
            'show_option_all'  => false,
            'show_option_none' => false,
        ];

        $response = wpuf_select( $args );
    } else {
        $response = 'nostates';
    }

    wp_send_json( $response ); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
}

/**
 * Performs tax calculations and updates billing address
 *
 * @return void
 */
function wpuf_update_billing_address() {
    check_ajax_referer( 'wpuf_ajax_address' );

    ob_start();

    $user_id        = get_current_user_id();
    $add_line_1 = isset( $_POST['billing_add_line1'] ) ? sanitize_text_field( wp_unslash( $_POST['billing_add_line1'] ) ) : '';
    $add_line_2 = isset( $_POST['billing_add_line2'] ) ? sanitize_text_field( wp_unslash( $_POST['billing_add_line2'] ) ) : '';
    $city       = isset( $_POST['billing_city'] ) ? sanitize_text_field( wp_unslash( $_POST['billing_city'] ) ) : '';
    $state      = isset( $_POST['billing_state'] ) ? sanitize_text_field( wp_unslash( $_POST['billing_state'] ) ) : '';
    $zip        = isset( $_POST['billing_zip'] ) ? sanitize_text_field( wp_unslash( $_POST['billing_zip'] ) ) : '';
    $country    = isset( $_POST['billing_country'] ) ? sanitize_text_field( wp_unslash( $_POST['billing_country'] ) ) : '';
    $type       = isset( $_POST['type'] ) ? sanitize_text_field( wp_unslash( $_POST['type'] ) ) : '';
    $id         = isset( $_POST['id'] ) ? sanitize_text_field( wp_unslash( $_POST['id'] ) ) : '';

    $address_fields = [
        'add_line_1'    => $add_line_1,
        'add_line_2'    => $add_line_2,
        'city'          => $city,
        'state'         => $state,
        'zip_code'      => $zip,
        'country'       => $country,
    ];

    update_user_meta( $user_id, 'wpuf_address_fields', $address_fields );

    $post_data['type']            = $type;
    $post_data['id']              = $id;
    $post_data['billing_country'] = $country;
    $post_data['billing_state']   = $state;

    $is_pro = wpuf()->is_pro();

    if ( $is_pro ) {
        do_action( 'wpuf_calculate_tax', $post_data );
    } else {
        die();
    }
}

/**
 * Retrieve user address
 *
 * @return mixed
 */
function wpuf_get_user_address( $user_id = 0 ) {
    $user_id        = $user_id ? $user_id : get_current_user_id();
    $address_fields = [];

    if ( metadata_exists( 'user', $user_id, 'wpuf_address_fields' ) ) {
        $address_fields = get_user_meta( $user_id, 'wpuf_address_fields', true );
    } else {
        $address_fields = array_fill_keys( [ 'add_line_1', 'add_line_2', 'city', 'state', 'zip_code', 'country' ], '' );

        if ( class_exists( 'WooCommerce' ) ) {
            $customer_id = get_current_user_id();
            $woo_address = [];
            $customer    = new WC_Customer( $customer_id );

            $woo_address = $customer->get_billing();
            unset( $woo_address['email'], $woo_address['tel'], $woo_address['phone'], $woo_address['company'] );

            $countries_obj        = new WC_Countries();
            $countries_array      = $countries_obj->get_countries();
            $country_states_array = $countries_obj->get_states();
            $woo_address['state'] = isset( $country_states_array[ $woo_address['country'] ][ $woo_address['state'] ] ) ? $country_states_array[ $woo_address['country'] ][ $woo_address['state'] ] : '';
            $woo_address['state'] = strtolower( str_replace( ' ', '', $woo_address['state'] ) );

            if ( ! empty( $woo_address ) ) {
                $address_fields = [
                    'add_line_1'    => $woo_address['address_1'],
                    'add_line_2'    => $woo_address['address_2'],
                    'city'          => $woo_address['city'],
                    'state'         => $woo_address['state'],
                    'zip_code'      => $woo_address['postcode'],
                    'country'       => $woo_address['country'],
                ];
            }
        }
    }

    return $address_fields;
}

/**
 * Displays a multi select dropdown for a settings field
 *
 * @param array $args settings field args
 */
function wpuf_settings_multiselect( $args ) {
    wpuf_require_once( WPUF_ROOT . '/Lib/WeDevs_Settings_API.php' );

    $settings = new WeDevs_Settings_API();
    $value    = $settings->get_option( $args['id'], $args['section'], $args['std'] );
    $value    = is_array( $value ) ? (array) $value : [];
    $size     = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
    $html     = sprintf( '<select multiple="multiple" class="%1$s" name="%2$s[%3$s][]" id="%2$s[%3$s]">', $size, $args['section'], $args['id'] );

    foreach ( $args['options'] as $key => $label ) {
        $checked = in_array( $key, $value, true ) ? $key : '0';
        $html .= sprintf( '<option value="%s"%s>%s</option>', $key, selected( $checked, $key, false ), $label );
    }

    $html .= sprintf( '</select>' );
    $html .= $settings->get_field_description( $args );

    echo wp_kses(
        $html, [
            'p' => [],
            'select' => [
                'multiple' => [],
                'class'    => [],
                'name'     => [],
                'id'       => [],
            ],
            'option' => [
                'value' => [],
                'selected' => [],
            ],
        ]
    );
}

/**
 * Displays Form Schedule Messages
 *
 * @since 2.8.10
 *
 * @param int $form_id
 */
function wpuf_show_form_schedule_message( $form_id ) {
    $form_settings   = wpuf_get_form_settings( $form_id );
    $is_scheduled    = ( isset( $form_settings['schedule_form'] ) && $form_settings['schedule_form'] === 'true' ) ? true : false;

    if ( $is_scheduled ) {
        $start_time   = ! empty( $form_settings['schedule_start'] ) ? strtotime( $form_settings['schedule_start'] ) : 0;
        $end_time     = ! empty( $form_settings['schedule_end'] ) ? strtotime( $form_settings['schedule_end'] ) : 0;
        $current_time = current_time( 'timestamp' );

        if ( $current_time >= $start_time && $current_time <= $end_time ) {
            return;
        }

        // too early?
        if ( $current_time < $start_time ) {
            echo wp_kses_post( '<div class="wpuf-message">' . $form_settings['form_pending_message'] . '</div>' );
        } elseif ( $current_time > $end_time ) {
            echo wp_kses_post( '<div class="wpuf-message">' . $form_settings['form_expired_message'] . '</div>' );
        }
        ?>
            <script>
                jQuery( function($) {
                    $(".wpuf-submit-button").attr("disabled", "disabled");
                });
            </script>
        <?php
        return;
    }
}
add_action( 'wpuf_before_form_render', 'wpuf_show_form_schedule_message' );

/**
 * Displays Form Limit Messages
 *
 * @since 2.8.10
 *
 * @param int $form_id
 */
function wpuf_show_form_limit_message( $form_id ) {
    $form_settings  = wpuf_get_form_settings( $form_id );
    $has_limit      = ( isset( $form_settings['limit_entries'] ) && $form_settings['limit_entries'] === 'true' ) ? true : false;
    $post_to_check  = get_post( get_the_ID() );
    $is_edit_page   = false;

    if ( $post_to_check && stripos( $post_to_check->post_content, '[wpuf_edit' ) !== false ) {
        $is_edit_page = true;
    }

    if ( $has_limit && ! $is_edit_page ) {
        $limit        = (int) ! empty( $form_settings['limit_number'] ) ? $form_settings['limit_number'] : 0;
        $form_entries = wpuf_form_posts_count( $form_id );

        if ( $limit && $limit <= $form_entries ) {
            $info = $form_settings['limit_message'];
            echo wp_kses_post( '<div class="wpuf-info">' . $info . '</div>' );
            ?>
            <script>
                jQuery( function($) {
                    $(".wpuf-submit-button").attr("disabled", "disabled");
                });
            </script>
            <?php
        }

        return;
    }
}
add_action( 'wpuf_before_form_render', 'wpuf_show_form_limit_message' );

/**
 * Save frontend post revision
 *
 * @param int   $post_id
 * @param array $form_settings
 *
 * @return void
 */
function wpuf_frontend_post_revision( $post_id, $form_settings ) {
    $post      = get_post( $post_id );
    $post_type = ! empty( $form_settings['post_type'] ) ? $form_settings['post_type'] : 'post';

    if ( post_type_supports( $post_type, 'revisions' ) ) {
        $revisions = wp_get_post_revisions(
            $post_id, [
                'order' => 'ASC',
                'posts_per_page' => 1,
            ]
        );
        $revision  = current( $revisions );

        _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_id ) );
    }
}

function wpuf_clean( $var ) {
    if ( is_array( $var ) ) {
        return array_map( 'wpuf_clean', $var );
    } else {
        return is_scalar( $var ) ? sanitize_text_field( wp_unslash( $var ) ) : $var;
    }
}

/**
 * Calculate ini directives in bytes
 *
 * @since 3.3.0
 *
 * @param string|int $val
 *
 * @return int
 */
function wpuf_ini_get_byte( $val ) {
    $byte = absint( $val );
    $char = strtolower( str_replace( $byte, '', $val ) );

    switch ( $char ) {
        case 'g':
            $byte *= GB_IN_BYTES;
            break;

        case 'm':
            $byte *= MB_IN_BYTES;
            break;

        case 'k':
            $byte *= KB_IN_BYTES;
            break;
    }

    return $byte;
}

/**
 * The maximum file size allowed to upload
 *
 * To upload large files, `post_max_size` value must be larger than `upload_max_filesize`
 *
 * @see https://www.php.net/manual/en/ini.core.php#ini.post-max-size
 *
 * @since 3.3.0
 *
 * @return string|int
 */
function wpuf_max_upload_size() {
    $post_max_size       = ini_get( 'post_max_size' );
    $upload_max_filesize = ini_get( 'upload_max_filesize' );

    if ( wpuf_ini_get_byte( $upload_max_filesize ) > wpuf_ini_get_byte( $post_max_size ) ) {
        return $post_max_size;
    }

    return $upload_max_filesize;
}

/**
 * Validate a boolean variable
 *
 * @since 3.3.0
 *
 * @param mixed $var
 *
 * @return bool
 */
function wpuf_validate_boolean( $var ) {
    return filter_var( $var, FILTER_VALIDATE_BOOLEAN );
}

/**
 * Check user has certain roles
 *
 * @since 3.4.0
 *
 * @param  array  $roles   Permitted user roles to submit a post
 * @param  int    $user_id User id will submit post
 *
 * @return bool
 */
function wpuf_user_has_roles( $roles, $user_id = 0 ) {
    if ( empty( $roles ) ) {
        return false;
    }

    $user = $user_id ? get_userdata( $user_id ) : wp_get_current_user();

    if ( ! empty( array_intersect( $user->roles, $roles ) ) ) {
        return true;
    }

    return false;
}

/**
 * Create a private page for form preview
 *
 * @return bool|false|string|WP_Error
 */
function get_wpuf_preview_page() {
    $page_url        = '';
    $post_status     = '';
    $preview_page_id = get_option( 'wpuf_preview_page', false );

    if ( $preview_page_id ){
        $page_url    = get_permalink( $preview_page_id );
    }

    if ( $page_url ){
        $post_status = get_post_status( $preview_page_id );
    }

    if ( $page_url && $post_status === 'private' ) {
        return $page_url;
    }

    if ( $post_status && $post_status !== 'private' ) {
        wp_update_post(
            [
                'ID' => $preview_page_id,
                'post_status' => 'private',
            ]
        );
        $page_url = get_permalink( $preview_page_id );
    }


    if ( $page_url ) {
        return $page_url;
    }

    $post_id = wp_insert_post(
        [
            'post_title'  => 'wpuf-preview',
            'post_type'   => 'page',
            'post_status' => 'private',
        ]
    );
    update_option( 'wpuf_preview_page', $post_id );

    return get_permalink( get_option( 'wpuf_preview_page' ) );
}

/**
 * Sanitize nested text field
 *
 * @param $arr
 *
 * @return array
 */
function wpuf_recursive_sanitize_text_field($arr){
    foreach ($arr as $key => &$value) {
        if (is_array($value)) {
            $value = wpuf_recursive_sanitize_text_field($value);
        } else {
            $value = sanitize_text_field($value);
        }
    }

    return $arr;
}

/**
 * Determine page after payment success
 *
 * @since 3.5.27_PRO
 *
 * @param $data
 *
 * @return bool|false|string|WP_Error
 */
function wpuf_payment_success_page( $data ){
    $gateway          = ! empty( $data['wpuf_payment_method'] ) ? $data['wpuf_payment_method'] : '';
    $success_query    = "wpuf_${gateway}_success";
    $redirect_page    = '';
    $redirect_page_id = 0;
    $payment_method   = ! empty( $data['post_data']['wpuf_payment_method'] ) ? $data['post_data']['wpuf_payment_method'] : '';

    if ( 'bank' === $payment_method ) {
        $redirect_page_id = wpuf_get_option( 'bank_success', 'wpuf_payment' );
    } else {
        $redirect_page_id = wpuf_get_option( 'payment_success', 'wpuf_payment' );
    }

    if ( 'post' === $data['type'] ){
        $post_id           = array_key_exists( 'item_number', $data ) && ! empty( $data['item_number'] ) ? $data['item_number'] : $_GET['post_id'];
        $form_id           = get_post_meta( $post_id, '_wpuf_form_id', true );
        $form_settings     = wpuf_get_form_settings( $form_id );
        $ppp_success_page  = ! empty( $form_settings['ppp_payment_success_page'] ) ? $form_settings['ppp_payment_success_page'] : '';
        $redirect_page_id  = $ppp_success_page ? $ppp_success_page : $redirect_page_id;
    }

    $redirect_page = $redirect_page_id ? add_query_arg( 'action', $success_query,  untrailingslashit( get_permalink( $redirect_page_id ) ) ) : add_query_arg( 'action', $success_query, untrailingslashit( get_permalink( wpuf_get_option( 'subscription_page',
                                                                                                                                                                                                                                           'wpuf_payment' ) ) ) );
    //for bank
    $redirect_page =  ! empty( $data['wpuf_payment_method'] ) && 'bank' === $data['wpuf_payment_method'] ? get_permalink( wpuf_get_option( 'bank_success',
                                                                                                                                           'wpuf_payment' ) ) : $redirect_page;

    return $redirect_page;
}

/**
 * Function current_datetime() compatibility for wp version < 5.3
 *
 * @since 3.5.27
 *
 * @return DateTimeImmutable
 */
function wpuf_current_datetime() {
    if ( function_exists( 'current_datetime' ) ) {
        return current_datetime();
    }

    return new DateTimeImmutable( 'now', wpuf_wp_timezone() );
}

/**
 * Function wp_timezone() compatibility for wp version < 5.3
 *
 * @since 3.5.27
 *
 * @return DateTimeZone
 */
function wpuf_wp_timezone() {
    if ( function_exists( 'wp_timezone' ) ) {
        return wp_timezone();
    }

    return new DateTimeZone( wpuf_wp_timezone_string() );
}

/**
 * Function wp_timezone_string() compatibility for wp version < 5.3
 *
 * @since 3.5.27
 *
 * @return string
 */
function wpuf_timezone_string() {
    if ( function_exists( 'wp_timezone_string' ) ) {
        return wp_timezone_string();
    }

    $timezone_string = get_option( 'timezone_string' );

    if ( $timezone_string ) {
        return $timezone_string;
    }

    $offset  = (float) get_option( 'gmt_offset' );
    $hours   = (int) $offset;
    $minutes = ( $offset - $hours );

    $sign      = ( $offset < 0 ) ? '-' : '+';
    $abs_hour  = abs( $hours );
    $abs_mins  = abs( $minutes * 60 );
    $tz_offset = sprintf( '%s%02d:%02d', $sign, $abs_hour, $abs_mins );

    return $tz_offset;
}

/*
 * Editor toolbar primary button list
 *
 * @param string $type
 *
 * @return array
 */
function wpuf_get_editor_buttons( $type = 'rich' ){
    $common = [
        'bold'        => 'bold',
        'italic'      => 'italic',
        'bullist'     => 'bullist',
        'numlist'     => 'numlist',
        'blockquote'  => 'blockquote',
        'alignleft'   => 'alignleft',
        'aligncenter' => 'aligncenter',
        'alignright'  => 'alignright',
        'link'        => 'link',
    ];

    $rich = [
        'formatselect' => 'formatselect',
        'wp_more'      => 'wp_more',
        'spellchecker' => 'spellchecker',
    ];

    $teeny = [
        'underline'     => 'underline',
        'strikethrough' => 'strikethrough',
        'undo'          => 'undo',
        'redo'          => 'redo',
        'fullscreen'    => 'fullscreen',
    ];

    return 'rich' === $type || 'yes' === $type ? array_merge( $rich, $common ) : array_merge( $common, $teeny );

}

/**
 * Filter editor buttons
 *
 * @param $field_settings
 *
 * @return array
 */
function wpuf_filter_editor_toolbar( $field_settings ){
    $tinymce_settings = [];

    if ( ! empty( $field_settings['text_editor_control'] ) ) {
        $exclude_button = $field_settings['text_editor_control'];

        $tinymce_settings['toolbar1'] = implode(
            ',', array_filter(
                wpuf_get_editor_buttons( $field_settings['rich'] ), function ( $key ) use ( $exclude_button ) {
                return ! in_array( $key, $exclude_button, true );
            }, ARRAY_FILTER_USE_KEY
            )
        );
    }

    return ! empty( $tinymce_settings['toolbar1'] ) ? $tinymce_settings : [];
}

/**
 *  Inconsistency with keys, remap keys, Back compat with keys
 *
 * @param $address_fields
 *
 * @return array
 */
function wpuf_map_address_fields( $address_fields ) {
    if ( array_key_exists( 'billing_country', $address_fields ) ) {
        foreach ( $address_fields as $key => $val ) {
            unset( $address_fields[$key] );
            $address_fields[str_replace( ['billing_', 'line1', 'line2', 'zip'], ['', 'line_1', 'line_2', 'zip_code'], $key ) ] = $val;
        }
    }

    return $address_fields;
}

/**
 * Retrieves paginated links for queried pages
 * uses WordPress paginate_links() function for the final output
 *
 * @since 3.5.27_PRO
 *
 * @param int $total_items
 * @param int $per_page
 * @param array $pagination_args
 *
 * @return string
 */
function wpuf_pagination( $total_items, $per_page, $pagination_args = [] ) {
    $pagenum = isset( $_GET['pagenum'] ) ? absint( $_GET['pagenum'] ) : 1;
    $num_of_pages = ceil( $total_items / $per_page );

    $defaults = [
        'base'      => add_query_arg( 'pagenum', '%#%' ),
        'format'    => '',
        'prev_text' => '<svg width="10" height="16" viewBox="0 0 10 16" fill="none" xmlns="http://www.w3.org/2000/svg">
                <path fill-rule="evenodd" clip-rule="evenodd" d="M0.248874 7.05115L7.19193 0.244361C7.35252 0.086801 7.56688 0 7.79545 0C8.02403 0 8.23839 0.086801 8.39898 0.244361L8.91029 0.745519C9.243 1.07208 9.243 1.60283 8.91029 1.9289L3.08003 7.64483L8.91675 13.3671C9.07734 13.5247 9.166 13.7347 9.166 13.9587C9.166 14.1829 9.07734 14.3929 8.91675 14.5506L8.40545 15.0517C8.24474 15.2092 8.0305 15.296 7.80192 15.296C7.57335 15.296 7.35898 15.2092 7.1984 15.0517L0.248874 8.23864C0.0879093 8.08058 -0.000500916 7.86955 2.13498e-06 7.64521C-0.000500916 7.42 0.0879093 7.20909 0.248874 7.05115Z" fill="#545D7A"/>
            </svg>',
        'next_text' => '<svg width="10" height="16" viewBox="0 0 10 16" fill="none" xmlns="http://www.w3.org/2000/svg">
                <path fill-rule="evenodd" clip-rule="evenodd" d="M8.97963 7.05115L2.03657 0.244361C1.87599 0.086801 1.66162 0 1.43305 0C1.20448 0 0.99011 0.086801 0.829525 0.244361L0.318217 0.745519C-0.0144943 1.07208 -0.0144943 1.60283 0.318217 1.9289L6.14847 7.64483L0.311748 13.3671C0.151164 13.5247 0.0625 13.7347 0.0625 13.9587C0.0625 14.1829 0.151164 14.3929 0.311748 14.5506L0.823056 15.0517C0.983767 15.2092 1.19801 15.296 1.42658 15.296C1.65515 15.296 1.86952 15.2092 2.0301 15.0517L8.97963 8.23864C9.14059 8.08058 9.229 7.86955 9.2285 7.64521C9.229 7.42 9.14059 7.20909 8.97963 7.05115Z" fill="#545D7A"/>
            </svg>',
        'total'     => $num_of_pages,
        'current'   => $pagenum,
    ];

    $args = wp_parse_args( $pagination_args, $defaults );

    $page_links = paginate_links( $args );

    if ( $page_links ) {
        return '<div class="wpuf-pagination">' . $page_links . '</div>';
    }
}

/**
 * Remove conditional from form builder for selected fields
 *
 * @param $settings
 *
 * @return array
 */
function wpuf_unset_conditional( $settings ) {
    $remove_cond_field = [ 'action_hook', 'step_start' ];

    $field_settings = array_map(
        function ( $field ) use ( $remove_cond_field ) {
            if ( in_array( $field['template'], $remove_cond_field, true ) ) {
                $index = array_filter(
                    $field['settings'], function ( $settings ) {
                        return $settings['name'] === 'wpuf_cond';
                    }
                );

                if ( ! empty( $index ) ) {
                    unset( $field['settings'][ array_keys( $index )[0] ] );
                }
            }

            return $field;
        }, $settings['field_settings']
    );

    $settings['field_settings'] = $field_settings;

    return $settings;
}

/**
 * Check if current post is editable
 *
 * @param $post
 *
 * @since 3.5.27
 *
 * @return bool
 */
function wpuf_is_post_editable( $post ) {
    $show_edit = false;

    $current_user      = wpuf_get_user();
    $user_subscription = new WeDevs\Wpuf\User_Subscription( $current_user );
    $user_sub          = $user_subscription->current_pack();
    $sub_id            = $current_user->subscription()->current_pack_id();

    if ( $sub_id ) {
        $subs_expired = $user_subscription->expired();
    } else {
        $subs_expired = false;
    }

    if ( wpuf_get_option( 'enable_post_edit', 'wpuf_dashboard', 'yes' ) == 'yes' ) {
        $disable_pending_edit = wpuf_get_option( 'disable_pending_edit', 'wpuf_dashboard', 'on' );
        $disable_publish_edit = wpuf_get_option( 'disable_publish_edit', 'wpuf_dashboard', 'off' );

        $show_edit = true;
        if ( ( 'pending' === $post->post_status && 'on' === $disable_pending_edit ) || ( 'publish' === $post->post_status && 'off' !==  $disable_publish_edit ) ) {
            $show_edit = false;
        }

        if ( ( $post->post_status == 'draft' || $post->post_status == 'pending' ) && ( ! empty( $payment_status ) && $payment_status != 'completed' ) ) {
            $show_edit = false;
        }

        if ( $subs_expired ) {
            $show_edit = false;
        }
    }

    return $show_edit;
}

/**
 * Get an array of available image sizes with height and weight
 *
 * @since 3.5.27
 *
 * @param $size     string      size of the image. thumbnail, medium, large etc.
 *
 * @return array                single image size returned if parameter size is passed
 *                              full array of all the sizes will return otherwise
 */
function wpuf_get_image_sizes_array( $size = '' ) {
    $additional_image_sizes   = wp_get_additional_image_sizes();
    $intermediate_image_sizes = get_intermediate_image_sizes();
    $sizes = [];

    // Create the full array with sizes and crop info
    foreach ( $intermediate_image_sizes as $_size ) {
        if ( in_array( $_size, [ 'thumbnail', 'medium', 'large', 'medium_large' ], true ) ) {
            $sizes[ $_size ]['width']  = get_option( $_size . '_size_w' );
            $sizes[ $_size ]['height'] = get_option( $_size . '_size_h' );
            $sizes[ $_size ]['crop']   = (bool) get_option( $_size . '_crop' );
        } elseif ( isset( $additional_image_sizes[ $_size ] ) ) {
            $sizes[ $_size ] = [
                'width'  => $additional_image_sizes[ $_size ]['width'],
                'height' => $additional_image_sizes[ $_size ]['height'],
                'crop'   => $additional_image_sizes[ $_size ]['crop'],
            ];
        }
    }

    // Get only 1 size if found
    if ( $size ) {
        if ( isset( $sizes[ $size ] ) ) {
            return $sizes[ $size ];
        } else {
            return false;
        }
    }
    return $sizes;
}

/**
 * The HTML preview part when hovering over a pro settings field
 *
 * @since 3.6.0
 *
 * @return string
 */
function wpuf_get_pro_preview_html() {
    $crown_icon = WPUF_ROOT . '/assets/images/crown.svg';
    return sprintf( '<div class="pro-field-overlay">
                        <a href="%1$s" target="%2$s" class="%3$s">Upgrade to PRO<span class="pro-icon icon-white"> %4$s</span></a>
                    </div>', esc_url( Pro_Prompt::get_upgrade_to_pro_popup_url() ), '_blank', 'wpuf-button button-upgrade-to-pro',
                    file_get_contents( $crown_icon ) );
}

/**
 * The HTML tooltip when hovering over a pro settings field
 *
 * @since 3.6.0
 *
 * @return string
 */
function wpuf_get_pro_preview_tooltip() {
    $crown_icon = WPUF_ROOT . '/assets/images/crown.svg';
    $check_icon = WPUF_ROOT . '/assets/images/check.svg';
    $features = [
        '24/7 Priority Support',
        '20+ Premium Modules',
        'User Activity and Reports',
        'Private Messaging Option',
        'License for 20 websites',
    ];
    $html = '<div class="wpuf-pro-field-tooltip">';
    $html .= '<h3 class="tooltip-header">Available in Pro. Also enjoy:</h3>';
    $html .= '<ul>';

    foreach ( $features as $feature ) {
        $html .= sprintf(
            '<li><span class="tooltip-check">%1$s</span> %2$s</li>',
            file_get_contents( $check_icon ),
            esc_html( $feature )
        );
    }

    $html .= '</ul>';
    $html .= sprintf( '<div class="pro-link"><a href="%1$s" target="%2$s" class="%3$s">Upgrade to PRO<span class="pro-icon icon-white"> %4$s</span></a></div>',
              esc_url( Pro_Prompt::get_upgrade_to_pro_popup_url() ), '_blank', 'wpuf-button button-upgrade-to-pro',
                      file_get_contents( $crown_icon ) );

    $html .= '<i></i>';
    $html .= '</div>';

    return $html;
}

/**
 * Get post forms created by WPUF
 *
 * @since 2.9.0
 * @since 4.0.0 moved to wpuf-functions.php from WPUF_Frontend_Account.php
 *
 * @return array $forms
 *
 */
function wpuf_get_post_forms() {
    $args = [
        'post_type'   => 'wpuf_forms',
        'post_status' => 'any',
        'orderby'     => 'DESC',
        'order'       => 'ID',
        'numberposts' => - 1,
    ];
    $posts = get_posts( $args );
    $forms = [];
    if ( ! empty( $posts ) ) {
        foreach ( $posts as $post ) {
            $forms[ $post->ID ] = $post->post_title;
        }
    }

    return $forms;
}

/**
 * require_once a file upon checking the existence of the file
 *
 * @since 4.0.0
 *
 * @param $file_location
 *
 * @return void
 */
function wpuf_require_once( $file_location ) {
    if ( file_exists( $file_location ) ) {
        require_once $file_location;
    }
}

/**
 * include_once a file upon checking the existence of the file
 *
 * @since 4.0.0
 *
 * @param $file_location
 *
 * @return void
 */
function wpuf_include_once( $file_location ) {
    if ( file_exists( $file_location ) ) {
        include_once $file_location;
    }
}

/**
 * Guess a suitable username for registration based on email address
 *
 * @param string $email email address
 *
 * @return string username
 */
function wpuf_guess_username( $email ) {
	// username from email address
	$username = sanitize_user( substr( $email, 0, strpos( $email, '@' ) ) );

	if ( ! username_exists( $username ) ) {
		return $username;
	}

	// try to add some random number in username
	// and may be we got our username
	$username .= rand( 1, 199 );

	if ( ! username_exists( $username ) ) {
		return $username;
	}
}

/**
 * Clear Schedule lock
 *
 * @since 3.0.2
 */
function wpuf_clear_schedule_lock() {
	check_ajax_referer( 'wpuf_nonce', 'nonce' );

	$post_id = isset( $_POST['post_id'] ) ? intval( wp_unslash( $_POST['post_id'] ) ) : '';

	if ( ! empty( $post_id ) ) {
		update_post_meta( $post_id, '_wpuf_lock_user_editing_post_time', '' );
		update_post_meta( $post_id, '_wpuf_lock_editing_post', 'no' );
	}
	exit;
}

/**
 * Get the shortcodes that are protected on the post form.
 * User cannot submit post containing those shortcodes.
 *
 * @since 3.6.6
 *
 * @return array
 */
function wpuf_get_protected_shortcodes() {
    return [
        'wpuf-registration',
    ];
}

/**
 * Get the current users roles as an array
 *
 * @since 3.6.6
 *
 * @return array|bool
 */
function wpuf_get_single_user_roles( $user_id ) {
    if ( ! is_numeric( $user_id ) ) {
        return false;
    }

    $user = get_user_by( 'id', $user_id );

    return ( array ) $user->roles;
}

/**
 * Check and modify the post content not to render shortcode values
 * in the frontend for any user except admin.
 *
 * @since 3.6.6
 *
 * @return string
 */
function wpuf_modify_shortcodes( $content ) {
    global $pagenow;

    $post = get_post();

    if ( ! ( $post instanceof WP_Post ) ) {
        return $content;
    }

    if ( 'post.php' === $pagenow ) {
        return $content;
    }

    // get the id of the user who last edited the post
    $user_id = get_post_meta( get_post()->ID, '_edit_last', true );

    $roles = wpuf_get_single_user_roles( $user_id );

    if ( empty( $roles ) ) {
        return $content;
    }

    // last modified by an admin, returns the content as it is
    if ( in_array( 'administrator', $roles ) ) {
        return $content;
    }

    $protected_shortcodes = wpuf_get_protected_shortcodes();

    foreach ( $protected_shortcodes as $shortcode ) {
        $search_for = '[' . $shortcode;

        if ( strpos( $content, $search_for ) !== false ) {
            $pattern = '/\[' . $shortcode . '(.*?)\]/';

            $content = preg_replace_callback(
                $pattern, function( $matches ) {
                return str_replace( [ '[', ']' ], [ '&lbrack;', '&rbrack;' ], $matches[0] );
            }, $content );
        }
    }

    return $content;
}

// @todo: move this to frontend class
add_filter( 'the_content', 'wpuf_modify_shortcodes' );

/**
 * Hide the Google map button
 *
 * @since 4.0.0 function moved from Posting class
 *
 * @return void
 */
function wpuf_hide_google_map_button() {
    echo wp_kses( "<style>
                button.button[data-name='custom_map'] {
                    display: none;
                }
              </style>", [
        'style' =>  [],
        'button'    =>  []
    ] );
}