#!/usr/bin/env bash
source <(curl -s https://raw.githubusercontent.com/tteck/Proxmox/main/misc/build.func)
# Copyright (c) 2021-2023 tteck
# Author: tteck (tteckster)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE

function header_info {
  clear
  cat <<"EOF"
 _____   _       __             ___   __  _______  ____________
/__  /  (_)___ _/ /_  ___  ___ |__ \ /  |/  / __ \/_  __/_  __/
  / /  / / __  / __ \/ _ \/ _ \__/ // /|_/ / / / / / /   / /   
 / /__/ / /_/ / /_/ /  __/  __/ __// /  / / /_/ / / /   / /    
/____/_/\__, /_.___/\___/\___/____/_/  /_/\___\_\/_/   /_/     
       /____/ 🐝
 
EOF
}
header_info
echo -e "Loading..."
APP="Zigbee2MQTT"
var_disk="4"
var_cpu="2"
var_ram="1024"
var_os="debian"
var_version="12"
variables
color
catch_errors

function default_settings() {
  CT_TYPE="0"
  PW=""
  CT_ID=$NEXTID
  HN=$NSAPP
  DISK_SIZE="$var_disk"
  CORE_COUNT="$var_cpu"
  RAM_SIZE="$var_ram"
  BRG="vmbr0"
  NET="dhcp"
  GATE=""
  DISABLEIP6="no"
  MTU=""
  SD=""
  NS=""
  MAC=""
  VLAN=""
  SSH="no"
  VERB="no"
  echo_default
}

function update_script() {
  header_info
  if [[ ! -d /opt/zigbee2mqtt ]]; then
    msg_error "No ${APP} Installation Found!"
    exit
  fi
  if [[ "$(node -v | cut -d 'v' -f 2)" == "18."* ]]; then
    if ! command -v npm >/dev/null 2>&1; then
      echo "Installing NPM..."
      apt-get install -y npm >/dev/null 2>&1
      echo "Installed NPM..."
    fi
  fi
  cd /opt/zigbee2mqtt

  stop_zigbee2mqtt() {
    if which systemctl 2>/dev/null >/dev/null; then
      echo "Shutting down Zigbee2MQTT..."
      sudo systemctl stop zigbee2mqtt
    else
      echo "Skipped stopping Zigbee2MQTT, no systemctl found"
    fi
  }

  start_zigbee2mqtt() {
    if which systemctl 2>/dev/null >/dev/null; then
      echo "Starting Zigbee2MQTT..."
      sudo systemctl start zigbee2mqtt
    else
      echo "Skipped starting Zigbee2MQTT, no systemctl found"
    fi
  }

  set -e

  if [ -d data-backup ]; then
    echo "ERROR: Backup directory exists. May be previous restoring was failed?"
    echo "1. Save 'data-backup' and 'data' dirs to safe location to make possibility to restore config later."
    echo "2. Manually delete 'data-backup' dir and try again."
    exit 1
  fi

  stop_zigbee2mqtt

  echo "Generating a backup of the configuration..."
  cp -R data data-backup || {
    echo "Failed to create backup."
    exit 1
  }

  echo "Checking if any changes were made to package-lock.json..."
  git checkout package-lock.json || {
    echo "Failed to check package-lock.json."
    exit 1
  }

  echo "Initiating update..."
  if ! git pull; then
    echo "Update failed, temporarily storing changes and trying again."
    git stash && git pull || (
      echo "Update failed even after storing changes. Aborting."
      exit 1
    )
  fi

  echo "Acquiring necessary components..."
  npm ci || {
    echo "Failed to install necessary components."
    exit 1
  }

  echo "Building..."
  npm run build || {
    echo "Failed to build new version."
    exit 1
  }

  echo "Restoring configuration..."
  cp -R data-backup/* data || {
    echo "Failed to restore configuration."
    exit 1
  }

  rm -rf data-backup || {
    echo "Failed to remove backup directory."
    exit 1
  }

  start_zigbee2mqtt

  echo "Done!"
  exit
}

start
build_container
description

msg_ok "Completed Successfully!\n"