#!/usr/bin/env bash
source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
# Copyright (c) 2021-2025 tteck
# Author: MickLesk (Canbiz)
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# Source: https://github.com/alexta69/metube

APP="MeTube"
var_tags="${var_tags:-media;youtube}"
var_cpu="${var_cpu:-1}"
var_ram="${var_ram:-2048}"
var_disk="${var_disk:-10}"
var_os="${var_os:-debian}"
var_version="${var_version:-13}"
var_unprivileged="${var_unprivileged:-1}"

header_info "$APP"
variables
color
catch_errors

function update_script() {
  header_info
  check_container_storage
  check_container_resources

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

  if [[ $(echo ":$PATH:" != *":/usr/local/bin:"*) ]]; then
    echo 'export PATH="/usr/local/bin:$PATH"' >>~/.bashrc
    source ~/.bashrc
    if ! command -v deno &>/dev/null; then
      export DENO_INSTALL="/usr/local"
      curl -fsSL https://deno.land/install.sh | $STD sh -s -- -y
    else
      $STD deno upgrade
    fi
  fi

  if check_for_gh_release "metube" "alexta69/metube"; then
    msg_info "Stopping Service"
    systemctl stop metube
    msg_ok "Stopped Service"

    msg_info "Backing up Old Installation"
    if [[ -d /opt/metube_bak ]]; then
      rm -rf /opt/metube_bak
    fi
    mv /opt/metube /opt/metube_bak
    msg_ok "Backup created"

    fetch_and_deploy_gh_release "metube" "alexta69/metube" "tarball" "latest"

    msg_info "Building Frontend"
    cd /opt/metube/ui
    $STD npm install
    $STD node_modules/.bin/ng build
    msg_ok "Built Frontend"

    PYTHON_VERSION="3.13" setup_uv

    msg_info "Installing Backend Requirements"
    cd /opt/metube
    $STD uv sync
    msg_ok "Installed Backend"

    msg_info "Restoring Environment File"
    if [[ -f /opt/metube_bak/.env ]]; then
      cp /opt/metube_bak/.env /opt/metube/.env
    fi
    msg_ok "Restored .env"

    if grep -q 'pipenv' /etc/systemd/system/metube.service; then
      msg_info "Patching systemd Service"
      cat <<EOF >/etc/systemd/system/metube.service
[Unit]
Description=Metube - YouTube Downloader
After=network.target

[Service]
Type=simple
WorkingDirectory=/opt/metube
EnvironmentFile=/opt/metube/.env
ExecStart=/opt/metube/.venv/bin/python3 app/main.py
Restart=always
User=root

[Install]
WantedBy=multi-user.target
EOF
      msg_ok "Patched systemd Service"
    fi
    $STD systemctl daemon-reload
    msg_ok "Service Updated"

    msg_info "Cleaning up"
    rm -rf /opt/metube_bak
    $STD apt -y autoremove
    $STD apt -y autoclean
    $STD apt -y clean
    msg_ok "Cleaned Up"

    msg_info "Starting Service"
    systemctl start metube
    sleep 1
    msg_ok "Started Service"

    msg_ok "Updated Successfully!"
  fi
}

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://${IP}:8081${CL}"