globals

#!/bin/bash

# SPDX-FileCopyrightText: 2023 sudorook <daemon@nullcodon.com>
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.

show_error() {
  local red=$'\033[0;91m'
  local nc=$'\033[0m'
  if [[ "${1:--e}" =~ ^(-e|-n)$ ]]; then
    echo "${1:--e}" "${red}${*:2}${nc}" 1>&2
  else
    echo -e "${red}${*}${nc}" 1>&2
  fi
}
export -f show_error

show_info() {
  local green=$'\033[0;92m'
  local nc=$'\033[0m'
  if [[ "${1:--e}" =~ ^(-e|-n)$ ]]; then
    echo "${1:--e}" "${green}${*:2}${nc}"
  else
    echo -e "${green}${*}${nc}"
  fi
}
export -f show_info

show_warning() {
  local yellow=$'\033[0;93m'
  local nc=$'\033[0m'
  if [[ "${1:--e}" =~ ^(-e|-n)$ ]]; then
    echo "${1:--e}" "${yellow}${*:2}${nc}"
  else
    echo -e "${yellow}${*}${nc}"
  fi
}
export -f show_warning

show_question() {
  local blue=$'\033[0;94m'
  local nc=$'\033[0m'
  if [[ "${1:--e}" =~ ^(-e|-n)$ ]]; then
    echo "${1:--e}" "${blue}${*:2}${nc}"
  else
    echo -e "${blue}${*}${nc}"
  fi
}
export -f show_question

ask_question() {
  local blue=$'\033[0;94m'
  local nc=$'\033[0m'
  local var
  read -r -p "${blue}$*${nc} " var
  echo "${var}"
}
export -f ask_question

ask_secret() {
  local blue=$'\033[0;94m'
  local nc=$'\033[0m'
  local var
  stty -echo echonl
  read -r -p "${blue}$*${nc} " var
  stty echo -echonl
  echo "${var}"
}
export -f ask_secret

show_success() {
  local purple=$'\033[0;95m'
  local nc=$'\033[0m'
  if [[ "${1:--e}" =~ ^(-e|-n)$ ]]; then
    echo "${1:--e}" "${purple}${*:2}${nc}"
  else
    echo -e "${purple}${*}${nc}"
  fi
}
export -f show_success

show_header() {
  local cyan=$'\033[0;96m'
  local nc=$'\033[0m'
  if [[ "${1:--e}" =~ ^(-e|-n)$ ]]; then
    echo "${1:--e}" "${cyan}${*:2}${nc}"
  else
    echo -e "${cyan}${*}${nc}"
  fi
}
export -f show_header

show_listitem() {
  local white=$'\033[0;97m'
  local nc=$'\033[0m'
  if [[ "${1:--e}" =~ ^(-e|-n)$ ]]; then
    echo "${1:--e}" "${white}${*:2}${nc}"
  else
    echo -e "${white}${*}${nc}"
  fi
}
export -f show_listitem

check_command() {
  local package
  local missing=()
  for package in "${@}"; do
    if ! command -v "${package}" > /dev/null; then
      missing+=("${package}")
    fi
  done
  if [ ${#missing[@]} -eq 0 ]; then
    return 0
  else
    show_error "MISSING: ${missing[*]@Q} not installed."
    return 1
  fi
}
export -f check_command