index.d.ts

import { EventEmitter } from 'events'
import puppeteer = require('puppeteer')

declare namespace WAWebJS {

    export class Client extends EventEmitter {
        constructor(options: ClientOptions)

        /** Current connection information */
        public info: ClientInfo

        /** Puppeteer page running WhatsApp Web */
        pupPage?: puppeteer.Page

        /** Puppeteer browser running WhatsApp Web */
        pupBrowser?: puppeteer.Browser

        /**Accepts an invitation to join a group */
        acceptInvite(inviteCode: string): Promise<string>

        /**Returns an object with information about the invite code's group */
        getInviteInfo(inviteCode: string): Promise<object>

        /** Enables and returns the archive state of the Chat */
        archiveChat(chatId: string): Promise<boolean>

        /** Pins the Chat and returns its new Pin state */
        pinChat(chatId: string): Promise<boolean>

        /** Unpins the Chat and returns its new Pin state */
        unpinChat(chatId: string): Promise<boolean>

        /**
         * Create a new group
         * @param name group title
         * @param participants an array of Contacts or contact IDs to add to the group
         */
        createGroup(name: string, participants: Contact[] | string[]): Promise<CreateGroupResult>

        /** Closes the client */
        destroy(): Promise<void>

        /** Logs out the client, closing the current session */
        logout(): Promise<void>

        /** Get chat instance by ID */
        getChatById(chatId: string): Promise<Chat>

        /** Get all current chat instances */
        getChats(): Promise<Chat[]>

        /** Get contact instance by ID */
        getContactById(contactId: string): Promise<Contact>

        /** Get all current contact instances */
        getContacts(): Promise<Contact[]>

        /** Get all current Labels  */
        getLabels(): Promise<Label[]>

        /** Get Label instance by ID */
        getLabelById(labelId: string): Promise<Label>

        /** Get all Labels assigned to a Chat */
        getChatLabels(chatId: string): Promise<Label[]>

        /** Get all Chats for a specific Label */
        getChatsByLabelId(labelId: string): Promise<Chat[]>

        /** Returns the contact ID's profile picture URL, if privacy settings allow it */
        getProfilePicUrl(contactId: string): Promise<string>

        /** Gets the current connection state for the client */
        getState(): Promise<WAState>

        /** Returns the version of WhatsApp Web currently being run */
        getWWebVersion(): Promise<string>

        /** Sets up events and requirements, kicks off authentication request */
        initialize(): Promise<void>

        /** Check if a given ID is registered in whatsapp */
        isRegisteredUser(contactId: string): Promise<boolean>

        /** Get the registered WhatsApp ID for a number. Returns null if the number is not registered on WhatsApp. */
        getNumberId(number: string): Promise<ContactId | null>

        /**
         * Mutes the Chat until a specified date
         * @param chatId ID of the chat that will be muted
         * @param unmuteDate Date when the chat will be unmuted
         */
        muteChat(chatId: string, unmuteDate: Date): Promise<void>

        /** Force reset of connection state for the client */
        resetState(): Promise<void>

        /** Send a message to a specific chatId */
        sendMessage(chatId: string, content: MessageContent, options?: MessageSendOptions): Promise<Message>

        /** Marks the client as online */
        sendPresenceAvailable(): Promise<void>

        /** Mark as seen for the Chat */
        sendSeen(chatId: string): Promise<boolean>

        /** Mark the Chat as unread */
        markChatUnread(chatId: string): Promise<void>

        /** 
         * Sets the current user's status message
         * @param status New status message
         */
        setStatus(status: string): Promise<void>

        /** 
         * Sets the current user's display name
         * @param displayName New display name
         */
        setDisplayName(displayName: string): Promise<void>

        /** Changes and returns the archive state of the Chat */
        unarchiveChat(chatId: string): Promise<boolean>

        /** Unmutes the Chat */
        unmuteChat(chatId: string): Promise<void>

        /** Generic event */
        on(event: string, listener: (...args: any) => void): this

        /** Emitted when there has been an error while trying to restore an existing session */
        on(event: 'auth_failure', listener: (message: string) => void): this

        /** Emitted when authentication is successful */
        on(event: 'authenticated', listener: (
            /** Object containing session information. Can be used to restore the session */
            session: ClientSession
        ) => void): this

        /** Emitted when the battery percentage for the attached device changes */
        on(event: 'change_battery', listener: (batteryInfo: BatteryInfo) => void): this

        /** Emitted when the connection state changes */
        on(event: 'change_state', listener: (
            /** the new connection state */
            state: WAState
        ) => void): this

        /** Emitted when the client has been disconnected */
        on(event: 'disconnected', listener: (
            /** state that caused the disconnect */
            reason: WAState
        ) => void): this

        /** Emitted when a user joins the chat via invite link or is added by an admin */
        on(event: 'group_join', listener: (
            /** GroupNotification with more information about the action */
            notification: GroupNotification
        ) => void): this

        /** Emitted when a user leaves the chat or is removed by an admin */
        on(event: 'group_leave', listener: (
            /** GroupNotification with more information about the action */
            notification: GroupNotification
        ) => void): this

        /** Emitted when group settings are updated, such as subject, description or picture */
        on(event: 'group_update', listener: (
            /** GroupNotification with more information about the action */
            notification: GroupNotification
        ) => void): this

        /** Emitted when media has been uploaded for a message sent by the client */
        on(event: 'media_uploaded', listener: (
            /** The message with media that was uploaded */
            message: Message
        ) => void): this

        /** Emitted when a new message is received */
        on(event: 'message', listener: (
            /** The message that was received */
            message: Message
        ) => void): this

        /** Emitted when an ack event occurrs on message type */
        on(event: 'message_ack', listener: (
            /** The message that was affected */
            message: Message,
            /** The new ACK value */
            ack: MessageAck
        ) => void): this

        /** Emitted when a new message is created, which may include the current user's own messages */
        on(event: 'message_create', listener: (
            /** The message that was created */
            message: Message
        ) => void): this

        /** Emitted when a message is deleted for everyone in the chat */
        on(event: 'message_revoke_everyone', listener: (
            /** The message that was revoked, in its current state. It will not contain the original message's data */
            message: Message,
            /**The message that was revoked, before it was revoked. 
             * It will contain the message's original data. 
             * Note that due to the way this data is captured, 
             * it may be possible that this param will be undefined. */
            revoked_msg?: Message | null
        ) => void): this

        /** Emitted when a message is deleted by the current user */
        on(event: 'message_revoke_me', listener: (
            /** The message that was revoked */
            message: Message
        ) => void): this

        /** Emitted when the QR code is received */
        on(event: 'qr', listener: (
            /** qr code string
             *  @example ```1@9Q8tWf6bnezr8uVGwVCluyRuBOJ3tIglimzI5dHB0vQW2m4DQ0GMlCGf,f1/vGcW4Z3vBa1eDNl3tOjWqLL5DpYTI84DMVkYnQE8=,ZL7YnK2qdPN8vKo2ESxhOQ==``` */
            qr: string
        ) => void): this

        /** Emitted when the client has initialized and is ready to receive messages */
        on(event: 'ready', listener: () => void): this
    }

    /** Current connection information */
    export interface ClientInfo {
        /** 
         * Current user ID 
         * @deprecated Use .wid instead 
         */
        me: ContactId
        /** Current user ID */
        wid: ContactId
        /** Information about the phone this client is connected to */
        phone: ClientInfoPhone
        /** Platform the phone is running on */
        platform: string
        /** Name configured to be shown in push notifications */
        pushname: string

        /** Get current battery percentage and charging status for the attached device */
        getBatteryStatus: () => Promise<BatteryInfo>
    }

    /** Information about the phone this client is connected to */
    export interface ClientInfoPhone {
        /** WhatsApp Version running on the phone */
        wa_version: string
        /** OS Version running on the phone (iOS or Android version) */
        os_version: string
        /** Device manufacturer */
        device_manufacturer: string
        /** Device model */
        device_model: string
        /** OS build number */
        os_build_number: string
    }

    /** Options for initializing the whatsapp client */
    export interface ClientOptions {
        /** Timeout for authentication selector in puppeteer
         * @default 45000 */
        authTimeoutMs?: number,
        /** Puppeteer launch options. View docs here: https://github.com/puppeteer/puppeteer/ */
        puppeteer?: puppeteer.LaunchOptions
        /** Refresh interval for qr code (how much time to wait before checking if the qr code has changed)
         * @default 20000 */
        qrRefreshIntervalMs?: number
        /** Timeout for qr code selector in puppeteer
         * @default 45000 */
        qrTimeoutMs?: number,
        /** Restart client with a new session (i.e. use null 'session' var) if authentication fails
         * @default false */
        restartOnAuthFail?: boolean
        /** Whatsapp session to restore. If not set, will start a new session */
        session?: ClientSession
        /** If another whatsapp web session is detected (another browser), take over the session in the current browser
         * @default false */
        takeoverOnConflict?: boolean,
        /** How much time to wait before taking over the session
         * @default 0 */
        takeoverTimeoutMs?: number,
        /** User agent to use in puppeteer.
         * @default 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36' */
        userAgent?: string
        /** Ffmpeg path to use when formating videos to webp while sending stickers 
         * @default 'ffmpeg' */
        ffmpegPath?: string
    }

    /** Represents a Whatsapp client session */
    export interface ClientSession {
        WABrowserId: string,
        WASecretBundle: string,
        WAToken1: string,
        WAToken2: string,
    }

    export interface BatteryInfo {
        /** The current battery percentage */
        battery: number,
        /** Indicates if the phone is plugged in (true) or not (false) */
        plugged: boolean,
    }

    export interface CreateGroupResult {
        /** ID for the group that was just created */
        gid: string,
        /** participants that were not added to the group. 
         * Keys represent the ID for participant that was not added and its value is a status code
         * that represents the reason why participant could not be added. 
         * This is usually 403 if the user's privacy settings don't allow you to add them to groups. */
        missingParticipants: Record<string, string>
    }

    export interface GroupNotification {
        /** ContactId for the user that produced the GroupNotification */
        author: string,
        /** Extra content */
        body: string,
        /** ID for the Chat that this groupNotification was sent for */
        chatId: string,
        /** ID that represents the groupNotification 
         *  @todo create a more specific type for the id object */
        id: object,
        /** Contact IDs for the users that were affected by this GroupNotification */
        recipientIds: string[],
        /** Unix timestamp for when the groupNotification was created */
        timestamp: number,
        /** GroupNotification type */
        type: GroupNotificationTypes,

        /** Returns the Chat this GroupNotification was sent in */
        getChat: () => Promise<Chat>,
        /** Returns the Contact this GroupNotification was produced by */
        getContact: () => Promise<Contact>,
        /** Returns the Contacts affected by this GroupNotification */
        getRecipients: () => Promise<Contact[]>,
        /** Sends a message to the same chat this GroupNotification was produced in */
        reply: (content: MessageContent, options?: MessageSendOptions) => Promise<Message>,

    }

    /** whatsapp web url */
    export const WhatsWebURL: string

    /** default client options */
    export const DefaultOptions: ClientOptions

    /** Chat types */
    export enum ChatTypes {
        SOLO = 'solo',
        GROUP = 'group',
        UNKNOWN = 'unknown',
    }

    /** Events that can be emitted by the client */
    export enum Events {
        AUTHENTICATED = 'authenticated',
        AUTHENTICATION_FAILURE = 'auth_failure',
        READY = 'ready',
        MESSAGE_RECEIVED = 'message',
        MESSAGE_CREATE = 'message_create',
        MESSAGE_REVOKED_EVERYONE = 'message_revoke_everyone',
        MESSAGE_REVOKED_ME = 'message_revoke_me',
        MESSAGE_ACK = 'message_ack',
        MEDIA_UPLOADED = 'media_uploaded',
        GROUP_JOIN = 'group_join',
        GROUP_LEAVE = 'group_leave',
        GROUP_UPDATE = 'group_update',
        QR_RECEIVED = 'qr',
        DISCONNECTED = 'disconnected',
        STATE_CHANGED = 'change_state',
        BATTERY_CHANGED = 'change_battery',
    }

    /** Group notification types */
    export enum GroupNotificationTypes {
        ADD = 'add',
        INVITE = 'invite',
        REMOVE = 'remove',
        LEAVE = 'leave',
        SUBJECT = 'subject',
        DESCRIPTION = 'description',
        PICTURE = 'picture',
        ANNOUNCE = 'announce',
        RESTRICT = 'restrict',
    }

    /** Message ACK */
    export enum MessageAck {
        ACK_ERROR = -1,
        ACK_PENDING = 0,
        ACK_SERVER = 1,
        ACK_DEVICE = 2,
        ACK_READ = 3,
        ACK_PLAYED = 4,
    }

    /** Message types */
    export enum MessageTypes {
        TEXT = 'chat',
        AUDIO = 'audio',
        VOICE = 'ptt',
        IMAGE = 'image',
        VIDEO = 'video',
        DOCUMENT = 'document',
        STICKER = 'sticker',
        LOCATION = 'location',
        CONTACT_CARD = 'vcard',
        CONTACT_CARD_MULTI = 'multi_vcard',
        REVOKED = 'revoked',
        UNKNOWN = 'unknown',
    }

    /** Client status */
    export enum Status {
        INITIALIZING = 0,
        AUTHENTICATING = 1,
        READY = 3,
    }

    /** WhatsApp state */
    export enum WAState {
        CONFLICT = 'CONFLICT',
        CONNECTED = 'CONNECTED',
        DEPRECATED_VERSION = 'DEPRECATED_VERSION',
        OPENING = 'OPENING',
        PAIRING = 'PAIRING',
        PROXYBLOCK = 'PROXYBLOCK',
        SMB_TOS_BLOCK = 'SMB_TOS_BLOCK',
        TIMEOUT = 'TIMEOUT',
        TOS_BLOCK = 'TOS_BLOCK',
        UNLAUNCHED = 'UNLAUNCHED',
        UNPAIRED = 'UNPAIRED',
        UNPAIRED_IDLE = 'UNPAIRED_IDLE',
    }

    export type MessageInfo = {
        delivery: Array<{id: ContactId, t: number}>,
        deliveryRemaining: number,
        played: Array<{id: ContactId, t: number}>,
        playedRemaining: number,
        read: Array<{id: ContactId, t: number}>,
        readRemaining: number
    }

    /**
     * Represents a Message on WhatsApp
     * 
     * @example
     * {
     *   mediaKey: undefined,
     *   id: {
     *     fromMe: false,
     *     remote: `554199999999@c.us`,
     *     id: '1234567890ABCDEFGHIJ',
     *     _serialized: `false_554199999999@c.us_1234567890ABCDEFGHIJ`
     *   },
     *   ack: -1,
     *   hasMedia: false,
     *   body: 'Hello!',
     *   type: 'chat',
     *   timestamp: 1591482682,
     *   from: `554199999999@c.us`,
     *   to: `554188888888@c.us`,
     *   author: undefined,
     *   isForwarded: false,
     *   broadcast: false,
     *   fromMe: false,
     *   hasQuotedMsg: false,
     *   location: undefined,
     *   mentionedIds: []
     * }
     */
    export interface Message {
        /** ACK status for the message */
        ack: MessageAck,
        /** If the message was sent to a group, this field will contain the user that sent the message. */
        author?: string,
        /** Message content */
        body: string,
        /** Indicates if the message was a broadcast */
        broadcast: boolean,
        /** Indicates if the message was a status update */
        isStatus: boolean,
        /** ID for the Chat that this message was sent to, except if the message was sent by the current user */
        from: string,
        /** Indicates if the message was sent by the current user */
        fromMe: boolean,
        /** Indicates if the message has media available for download */
        hasMedia: boolean,
        /** Indicates if the message was sent as a reply to another message */
        hasQuotedMsg: boolean,
        /** ID that represents the message */
        id: MessageId,
        /** Indicates if the message was forwarded */
        isForwarded: boolean,
        /** Indicates if the message was starred */
        isStarred: boolean,
        /** Location information contained in the message, if the message is type "location" */
        location: Location,
        /** List of vCards contained in the message */
        vCards: string[],
        /** MediaKey that represents the sticker 'ID' */
        mediaKey?: string,
        /** Indicates the mentions in the message body. */
        mentionedIds: [],
        /** Unix timestamp for when the message was created */
        timestamp: number,
        /**
         * ID for who this message is for.
         * If the message is sent by the current user, it will be the Chat to which the message is being sent.
         * If the message is sent by another user, it will be the ID for the current user.
         */
        to: string,
        /** Message type */
        type: MessageTypes,
        /** Links included in the message. */
        links: string[],

        /** Deletes the message from the chat */
        delete: (everyone?: boolean) => Promise<void>,
        /** Downloads and returns the attatched message media */
        downloadMedia: () => Promise<MessageMedia>,
        /** Returns the Chat this message was sent in */
        getChat: () => Promise<Chat>,
        /** Returns the Contact this message was sent from */
        getContact: () => Promise<Contact>,
        /** Returns the Contacts mentioned in this message */
        getMentions: () => Promise<Contact[]>,
        /** Returns the quoted message, if any */
        getQuotedMessage: () => Promise<Message>,
        /** 
         * Sends a message as a reply to this message. 
         * If chatId is specified, it will be sent through the specified Chat.
         * If not, it will send the message in the same Chat as the original message was sent. 
         */
        reply: (content: MessageContent, chatId?: string, options?: MessageSendOptions) => Promise<Message>,
        /** 
         * Forwards this message to another chat
         */
        forward: (chat: Chat | string) => Promise<void>,
        /** Star this message */
        star: () => Promise<void>,
        /** Unstar this message */
        unstar: () => Promise<void>,
        /** Get information about message delivery statuso */
        getInfo: () => Promise<MessageInfo | null>
    }

    /** ID that represents a message */
    export interface MessageId {
        fromMe: boolean,
        remote: string,
        id: string,
        _serialized: string,
    }

    export interface Location {
        description?: string | null,
        latitude: string,
        longitude: string,
    }

    export interface Label {
        /** Label name */
        name: string,
        /** Label ID */
        id: string,
        /** Color assigned to the label */
        hexColor: string,

        /** Get all chats that have been assigned this Label */
        getChats: () => Promise<Chat[]>
    }

    /** Options for sending a message */
    export interface MessageSendOptions {
        /** Show links preview */
        linkPreview?: boolean
        /** Send audio as voice message */
        sendAudioAsVoice?: boolean
        /** Send media as sticker */
        sendMediaAsSticker?: boolean
        /** Send media as document */
        sendMediaAsDocument?: boolean
        /** Automatically parse vCards and send them as contacts */
        parseVCards?: boolean
        /** Image or videos caption */
        caption?: string
        /** Id of the message that is being quoted (or replied to) */
        quotedMessageId?: string
        /** Contacts that are being mentioned in the message */
        mentions?: Contact[]
        /** Send 'seen' status */
        sendSeen?: boolean
        /** Media to be sent */
        media?: MessageMedia
    }

    /** Media attached to a message */
    export class MessageMedia {
        /** MIME type of the attachment */
        mimetype: string
        /** Base64-encoded data of the file */
        data: string
        /** Document file name. Value can be null */
        filename?: string | null

        /**
         * @param {string} mimetype MIME type of the attachment
         * @param {string} data Base64-encoded data of the file
         * @param {?string} filename Document file name. Value can be null
         */
        constructor(mimetype: string, data: string, filename?: string | null)

        /** Creates a MessageMedia instance from a local file path */
        static fromFilePath: (filePath: string) => MessageMedia
    }

    export type MessageContent = string | MessageMedia | Location | Contact | Contact[]

    /**
     * Represents a Contact on WhatsApp
     *
     * @example 
     * {
     *   id: {
     *     server: 'c.us',
     *     user: '554199999999',
     *     _serialized: `554199999999@c.us`
     *   },
     *   number: '554199999999',
     *   isBusiness: false,
     *   isEnterprise: false,
     *   labels: [],
     *   name: undefined,
     *   pushname: 'John',
     *   sectionHeader: undefined,
     *   shortName: undefined,
     *   statusMute: false,
     *   type: 'in',
     *   verifiedLevel: undefined,
     *   verifiedName: undefined,
     *   isMe: false,
     *   isUser: true,
     *   isGroup: false,
     *   isWAContact: true,
     *   isMyContact: false
     * }
     */
    export interface Contact {
        /** Contact's phone number */
        number: string,
        /** Indicates if the contact is a business contact */
        isBusiness: boolean,
        /** ID that represents the contact */
        id: ContactId,
        /** Indicates if the contact is an enterprise contact */
        isEnterprise: boolean,
        /** Indicates if the contact is a group contact */
        isGroup: boolean,
        /** Indicates if the contact is the current user's contact */
        isMe: boolean,
        /** Indicates if the number is saved in the current phone's contacts */
        isMyContact: boolean
        /** Indicates if the contact is a user contact */
        isUser: boolean,
        /** Indicates if the number is registered on WhatsApp */
        isWAContact: boolean,
        /** Indicates if you have blocked this contact */
        isBlocked: boolean,
        /** @todo verify labels type. didn't have any documentation */
        labels?: string[],
        /** The contact's name, as saved by the current user */
        name?: string,
        /** The name that the contact has configured to be shown publically */
        pushname: string,
        /** @todo missing documentation */
        sectionHeader: string,
        /** A shortened version of name */
        shortName?: string,
        /** Indicates if the status from the contact is muted */
        statusMute: boolean,
        /** @todo missing documentation */
        type: string,
        /** @todo missing documentation */
        verifiedLevel?: undefined,
        /** @todo missing documentation */
        verifiedName?: undefined,

        /** Returns the contact's profile picture URL, if privacy settings allow it */
        getProfilePicUrl: () => Promise<string>,

        /** Returns the Chat that corresponds to this Contact.  
         * Will return null when getting chat for currently logged in user.
         */
        getChat: () => Promise<Chat>,

        /** Blocks this contact from WhatsApp */
        block: () => Promise<boolean>,
        /** Unlocks this contact from WhatsApp */
        unblock: () => Promise<boolean>,

        /** Gets the Contact's current "about" info. Returns null if you don't have permission to read their status.  */
        getAbout: () => Promise<string | null>,

    }

    export interface ContactId {
        server: string,
        user: string,
        _serialized: string,
    }

    export interface BusinessContact extends Contact {
        /** 
         * The contact's business profile
         * @todo add a more specific type for the object
         */
        businessProfile: object
    }

    export interface PrivateContact extends Contact {

    }

    /**
     * Represents a Chat on WhatsApp
     *
     * @example
     * {
     *   id: {
     *     server: 'c.us',
     *     user: '554199999999',
     *     _serialized: `554199999999@c.us`
     *   },
     *   name: '+55 41 9999-9999',
     *   isGroup: false,
     *   isReadOnly: false,
     *   unreadCount: 6,
     *   timestamp: 1591484087,
     *   archived: false
     * }
     */
    export interface Chat {
        /** Indicates if the Chat is archived */
        archived: boolean,
        /** ID that represents the chat */
        id: ChatId,
        /** Indicates if the Chat is a Group Chat */
        isGroup: boolean,
        /** Indicates if the Chat is readonly */
        isReadOnly: boolean,
        /** Indicates if the Chat is muted */
        isMuted: boolean,
        /** Unix timestamp for when the mute expires */
        muteExpiration: number,
        /** Title of the chat */
        name: string,
        /** Unix timestamp for when the last activity occurred */
        timestamp: number,
        /** Amount of messages unread */
        unreadCount: number,

        /** Archives this chat */
        archive: () => Promise<void>,
        /** Pins this chat and returns its new Pin state */
        pin: () => Promise<boolean>,
        /** Unpins this chat and returns its new Pin state */
        unpin: () => Promise<boolean>,
        /** Clears all messages from the chat */
        clearMessages: () => Promise<boolean>,
        /** Stops typing or recording in chat immediately. */
        clearState: () => Promise<boolean>,
        /** Deletes the chat */
        delete: () => Promise<boolean>,
        /** Loads chat messages, sorted from earliest to latest. */
        fetchMessages: (searchOptions: MessageSearchOptions) => Promise<Message[]>,
        /** Mutes this chat until a specified date */
        mute: (unmuteDate: Date) => Promise<void>,
        /** Send a message to this chat */
        sendMessage: (content: MessageContent, options?: MessageSendOptions) => Promise<Message>,
        /** Set the message as seen */
        sendSeen: () => Promise<void>,
        /** Simulate recording audio in chat. This will last for 25 seconds */
        sendStateRecording: () => Promise<void>,
        /** Simulate typing in chat. This will last for 25 seconds. */
        sendStateTyping: () => Promise<void>,
        /** un-archives this chat */
        unarchive: () => Promise<void>,
        /** Unmutes this chat */
        unmute: () => Promise<void>,
        /** Returns the Contact that corresponds to this Chat. */
        getContact: () => Promise<Contact>,
        /** Marks this Chat as unread */
        markUnread: () => Promise<void>
        /** Returns array of all Labels assigned to this Chat */
        getLabels: () => Promise<Label[]>
    }

    export interface MessageSearchOptions {
        /**
         * The amount of messages to return.
         * Note that the actual number of returned messages may be smaller if there aren't enough messages in the conversation. 
         * Set this to Infinity to load all messages.
         * @default 50
         */
        limit?: number
    }

    /**
     * Id that represents the chat
     * 
     * @example
     * id: {
     *   server: 'c.us',
     *   user: '554199999999',
     *   _serialized: `554199999999@c.us`
     * },
     */
    export interface ChatId {
        /**
         * Whatsapp server domain
         * @example `c.us`
         */
        server: string,
        /**
         * User whatsapp number
         * @example `554199999999`
         */
        user: string,
        /**
         * Serialized id
         * @example `554199999999@c.us`
         */
        _serialized: string,
    }

    export interface PrivateChat extends Chat {

    }

    export type GroupParticipant = {
        id: ContactId,
        isAdmin: boolean
        isSuperAdmin: boolean
    }

    /** Promotes or demotes participants by IDs to regular users or admins */
    export type ChangeParticipantsPermisions = 
        (participantIds: Array<string>) => Promise<{ status: number }>

    /** Adds or removes a list of participants by ID to the group */
    export type ChangeGroupParticipants = 
        (participantIds: Array<string>) => Promise<{
            status: number;
            participants: Array<{
                [key: string]: {
                    code: number
                }
            }>
         } & {
             [key: string]: number;
         }>

    export interface GroupChat extends Chat {
        /** Group owner */
        owner: ContactId;
        /** Date at which the group was created */
        createdAt: Date;
        /** Group description */
        description: string;
        /** Group participants */
        participants: Array<GroupParticipant>;
        /** Adds a list of participants by ID to the group */
        addParticipants: ChangeGroupParticipants;
        /** Removes a list of participants by ID to the group */
        removeParticipants: ChangeGroupParticipants;
        /** Promotes participants by IDs to admins */
        promoteParticipants: ChangeParticipantsPermisions;
        /** Demotes participants by IDs to regular users */
        demoteParticipants: ChangeParticipantsPermisions;
        /** Updates the group subject */
        setSubject: (subject: string) => Promise<void>;
        /** Updates the group description */
        setDescription: (description: string) => Promise<void>;
        /** Updates the group settings to only allow admins to send messages 
         * @param {boolean} [adminsOnly=true] Enable or disable this option 
         * @returns {Promise<boolean>} Returns true if the setting was properly updated. This can return false if the user does not have the necessary permissions.
         */
        setMessagesAdminsOnly: (adminsOnly?: boolean) => Promise<boolean>;
        /**
         * Updates the group settings to only allow admins to edit group info (title, description, photo).
         * @param {boolean} [adminsOnly=true] Enable or disable this option 
         * @returns {Promise<boolean>} Returns true if the setting was properly updated. This can return false if the user does not have the necessary permissions.
         */
        setInfoAdminsOnly: (adminsOnly?: boolean) => Promise<boolean>;
        /** Gets the invite code for a specific group */
        getInviteCode: () => Promise<string>;
        /** Invalidates the current group invite code and generates a new one */
        revokeInvite: () => Promise<void>;
        /** Makes the bot leave the group */
        leave: () => Promise<void>;
    }
}

export = WAWebJS