#!/usr/bin/env bash
source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
# Copyright (c) 2021-2025 tteck
# Author: tteck (tteckster) | Co-Author: remz1337
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# Source: https://github.com/janeczku/calibre-web

APP="Calibre-Web"
var_tags="${var_tags:-eBook}"
var_cpu="${var_cpu:-2}"
var_ram="${var_ram:-2048}"
var_disk="${var_disk:-4}"
var_os="${var_os:-debian}"
var_version="${var_version:-12}"
var_unprivileged="${var_unprivileged:-1}"

header_info "$APP"
variables
color
catch_errors

function update_script() {
  header_info
  check_container_storage
  check_container_resources
  if [[ ! -f /etc/systemd/system/cps.service ]]; then
    msg_error "No ${APP} Installation Found!"
    exit
  fi
  msg_info "Stopping ${APP}"
  systemctl stop cps
  msg_ok "Stopped ${APP}"

  msg_info "Updating ${APP}"
  cd /opt/kepubify
  rm -rf kepubify-linux-64bit
  curl -fsSLO https://github.com/pgaskin/kepubify/releases/latest/download/kepubify-linux-64bit
  chmod +x kepubify-linux-64bit
  menu_array=("1" "Enables gdrive as storage backend for your ebooks" OFF
    "2" "Enables sending emails via a googlemail account without enabling insecure apps" OFF
    "3" "Enables displaying of additional author infos on the authors page" OFF
    "4" "Enables login via LDAP server" OFF
    "5" "Enables login via google or github oauth" OFF
    "6" "Enables extracting of metadata from epub, fb2, pdf files, and also extraction of covers from cbr, cbz, cbt files" OFF
    "7" "Enables extracting of metadata from cbr, cbz, cbt files" OFF
    "8" "Enables syncing with your kobo reader" OFF)
  if [ -f "/opt/calibre-web/options.txt" ]; then
    cps_options="$(cat /opt/calibre-web/options.txt)"
    IFS=',' read -ra ADDR <<<"$cps_options"
    for i in "${ADDR[@]}"; do
      if [ $i == "gdrive" ]; then
        line=0
      elif [ $i == "gmail" ]; then
        line=1
      elif [ $i == "goodreads" ]; then
        line=2
      elif [ $i == "ldap" ]; then
        line=3
      elif [ $i == "oauth" ]; then
        line=4
      elif [ $i == "metadata" ]; then
        line=5
      elif [ $i == "comics" ]; then
        line=6
      elif [ $i == "kobo" ]; then
        line=7
      fi
      array_index=$((3 * line + 2))
      menu_array[$array_index]=ON
    done
  fi
  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID >/dev/null; then kill $SPINNER_PID >/dev/null; fi
  CHOICES=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "CALIBRE-WEB OPTIONS" --separate-output --checklist "Choose Additional Options" 15 125 8 "${menu_array[@]}" 3>&1 1>&2 2>&3)
  spinner &
  SPINNER_PID=$!
  options=()
  if [ ! -z "$CHOICES" ]; then
    for CHOICE in $CHOICES; do
      case "$CHOICE" in
      "1")
        options+=(gdrive)
        ;;
      "2")
        options+=(gmail)
        ;;
      "3")
        options+=(goodreads)
        ;;
      "4")
        options+=(ldap)
        apt-get install -qqy libldap2-dev libsasl2-dev
        ;;
      "5")
        options+=(oauth)
        ;;
      "6")
        options+=(metadata)
        ;;
      "7")
        options+=(comics)
        ;;
      "8")
        options+=(kobo)
        ;;
      *)
        echo "Unsupported item $CHOICE!" >&2
        exit 1
        ;;
      esac
    done
  fi
  if [ ${#options[@]} -gt 0 ]; then
    cps_options=$(
      IFS=,
      echo "${options[*]}"
    )
    echo $cps_options >/opt/calibre-web/options.txt
    $STD pip install --upgrade calibreweb[$cps_options]
  else
    rm -rf /opt/calibre-web/options.txt
    $STD pip install --upgrade calibreweb
  fi

  msg_info "Starting ${APP}"
  systemctl start cps
  msg_ok "Started ${APP}"
  msg_ok "Updated Successfully"
  exit
}

start
build_container
description

msg_ok "Completed Successfully!\n"
echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
echo -e "${INFO}${YW} Access it using the following URL:${CL}"
echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:8083${CL}"