#!/usr/bin/env bash
source <(curl -s https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main/misc/build.func)
# Copyright (c) 2021-2025 community-scripts ORG
# Author: vhsdream
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# Source: https://github.com/crocodilestick/Calibre-Web-Automated

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

header_info "$APP"
variables
color
catch_errors

function update_script() {
  header_info
  check_container_storage
  check_container_resources

  if [[ ! -d /opt/cwa ]]; then
    msg_error "No ${APP} Installation Found!"
    exit
  fi

  RELEASE=$(curl -s https://api.github.com/repos/crocodilestick/Calibre-Web-Automated/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
  if [[ "${RELEASE}" != "$(cat /opt/${APP}_version.txt)" ]] || [[ ! -f /opt/${APP}_version.txt ]]; then
    msg_info "Stopping $APP"
    systemctl stop cps cwa-autolibrary cwa-ingester cwa-change-detector cwa-autozip.timer
    msg_ok "Stopped $APP"

    msg_info "Creating Backup"
    $STD tar -czf "/opt/${APP}_backup_$(date +%F).tar.gz" /opt/cwa /opt/calibre-web/metadata.db
    msg_ok "Backup Created"

    msg_info "Updating $APP to v${RELEASE}"
    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
    cd /opt/calibre-web
    $STD pip install --upgrade calibreweb[goodreads,metadata,kobo]
    cd /opt/cwa
    $STD git stash --all
    $STD git pull
    $STD pip install -r requirements.txt
    curl -fsSL https://gist.githubusercontent.com/vhsdream/2e81afeff139c5746db1ede88c01cc7b/raw/51238206e87aec6c0abeccce85dec9f2b0c89000/proxmox-lxc.patch -o /opt/cwa.patch # not for production
    $STD git apply --whitespace=fix /opt/cwa.patch                                                                                                                           # not for production
    cp -r /opt/cwa/root/app/calibre-web/cps/* /usr/local/lib/python3*/dist-packages/calibreweb/cps
    cd scripts
    chmod +x check-cwa-services.sh ingest-service.sh change-detector.sh
    msg_ok "Updated $APP to v${RELEASE}"

    msg_info "Starting $APP"
    systemctl start cps cwa-autolibrary cwa-ingester cwa-change-detector cwa-autozip.timer
    msg_ok "Started $APP"

    msg_info "Cleaning Up"
    rm -rf /opt/cwa.patch
    rm -rf "/opt/${APP}_backup_$(date +%F).tar.gz"
    msg_ok "Cleanup Completed"

    echo "${RELEASE}" >/opt/${APP}_version.txt
    msg_ok "Update Successful"
  else
    msg_ok "No update required. ${APP} is already at v${RELEASE}"
  fi
  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}"