#!/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)
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# Source: https://github.com/juanfont/headscale

APP="Headscale"
var_tags="${var_tags:-tailscale}"
var_cpu="${var_cpu:-1}"
var_ram="${var_ram:-512}"
var_disk="${var_disk:-2}"
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 [[ ! -d /etc/headscale ]]; then
    msg_error "No ${APP} Installation Found!"
    exit
  fi
  RELEASE=$(curl -fsSL https://api.github.com/repos/juanfont/headscale/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 headscale
    msg_ok "Stopped ${APP}"

    msg_info "Updating $APP to v${RELEASE}"
    curl -fsSL "https://github.com/juanfont/headscale/releases/download/v${RELEASE}/headscale_${RELEASE}_linux_amd64.deb" -o $(basename "https://github.com/juanfont/headscale/releases/download/v${RELEASE}/headscale_${RELEASE}_linux_amd64.deb")
    dpkg -i headscale_${RELEASE}_linux_amd64.deb
    rm headscale_${RELEASE}_linux_amd64.deb
    echo "${RELEASE}" >/opt/${APP}_version.txt
    msg_ok "Updated $APP to ${RELEASE}"

    msg_info "Starting ${APP}"
    # Temporary fix until headscale project resolves service getting disabled on updates.
    systemctl enable -q --now headscale
    msg_ok "Started ${APP}"
    msg_ok "Updated Successfully"
  else
    msg_ok "No update required. ${APP} is already at ${RELEASE}"
  fi
  exit
}

start
build_container
description

msg_ok "Completed Successfully!\n"
echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
