#!/usr/bin/env bash
_CS_DEFAULT_URL="${COMMUNITY_SCRIPTS_URL:-${_CS_DEFAULT_URL:-https://git.mattway.com.au/matt/gitea-runner-script/raw/branch/main}}"
_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
# Copyright (c) 2021-2026 community-scripts ORG
# Author: mattyway
# License: MIT | https://git.mattway.com.au/matt/gitea-runner-script/raw/branch/main/LICENSE
# Source: https://about.gitea.com/ | Github: https://gitea.com/gitea/act_runner

APP="Gitea Runner"
var_tags="${var_tags:-gitea;runner;docker;ci-cd}"
var_arm64="${var_arm64:-yes}"
var_unprivileged="${var_unprivileged:-1}"
var_keyctl="${var_keyctl:-1}"

if [[ -z "${var_os:-}" ]] && command -v pveversion >/dev/null 2>&1; then
  var_os=$(msg_menu "Choose the container OS" \
    "debian" "Debian 12/13 (Recommended for Docker actions)" \
    "alpine" "Alpine (Minimal footprint)")
fi

if [[ "${var_os:-}" == "alpine" ]]; then
  var_cpu="${var_cpu:-2}"
  var_ram="${var_ram:-1024}"
  var_disk="${var_disk:-10}"
  var_version="${var_version:-3.24}"
else
  var_cpu="${var_cpu:-2}"
  var_ram="${var_ram:-2048}"
  var_disk="${var_disk:-15}"
  var_version="${var_version:-13}"
fi

header_info "$APP"
variables
NSAPP="gitea-runner"
var_install="${NSAPP}-install"
color
catch_errors

update_deb_based() {
  if [[ ! -f /usr/local/bin/gitea-runner && ! -f /usr/local/bin/act_runner ]]; then
    msg_error "No ${APP} installation found!"
    exit 1
  fi

  msg_info "Updating base system"
  apt_update_safe
  $STD apt-get upgrade -y
  msg_ok "Base system updated"

  if dpkg-query -W -f='${Status}' docker-ce 2>/dev/null | grep -q "ok installed"; then
    USE_DOCKER_REPO="true" setup_docker
  fi

  msg_info "Checking for Gitea Runner updates"
  local runner_bin
  if [[ -f /usr/local/bin/gitea-runner ]]; then
    runner_bin="/usr/local/bin/gitea-runner"
  else
    runner_bin="/usr/local/bin/act_runner"
  fi

  local current_version
  current_version=$("$runner_bin" --version 2>/dev/null | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1 || echo "0.0.0")

  local release_json
  release_json=$(curl -fsSL --connect-timeout 10 "https://gitea.com/api/v1/repos/gitea/act_runner/releases/latest" 2>/dev/null || true)
  if [[ -z "$release_json" ]]; then
    release_json=$(curl -fsSL --connect-timeout 10 "https://gitea.com/api/v1/repos/gitea/runner/releases/latest" 2>/dev/null || true)
  fi

  if [[ -n "$release_json" ]]; then
    local latest_version
    latest_version=$(echo "$release_json" | jq -r '.tag_name // empty' | tr -d 'v')
    local clean_current="${current_version#v}"

    if [[ -n "$latest_version" && "$latest_version" != "$clean_current" ]]; then
      msg_info "Updating Gitea Runner (${clean_current} -> ${latest_version})"
      local arch
      case "$(uname -m)" in
        x86_64) arch="amd64" ;;
        aarch64|arm64) arch="arm64" ;;
        armv7l) arch="arm-7" ;;
        *) arch="amd64" ;;
      esac

      local dl_url
      dl_url=$(echo "$release_json" | jq -r --arg a "linux-$arch" '.assets[] | select(.name | endswith($a)) | .browser_download_url' | head -1)

      if [[ -n "$dl_url" && "$dl_url" != "null" ]]; then
        systemctl stop gitea-runner 2>/dev/null || systemctl stop act_runner 2>/dev/null || true
        curl -fsSL "$dl_url" -o "${runner_bin}.new"
        chmod +x "${runner_bin}.new"
        mv "${runner_bin}.new" "$runner_bin"
        [[ ! -f /usr/local/bin/act_runner ]] && ln -sf "$runner_bin" /usr/local/bin/act_runner
        [[ ! -f /usr/local/bin/gitea-runner ]] && ln -sf "$runner_bin" /usr/local/bin/gitea-runner

        systemctl start gitea-runner 2>/dev/null || systemctl start act_runner 2>/dev/null || true
        msg_ok "Updated Gitea Runner to v${latest_version}"
      else
        msg_warn "Could not resolve release download URL for architecture: linux-$arch"
      fi
    else
      msg_ok "Gitea Runner is up to date (v${clean_current})"
    fi
  else
    msg_warn "Could not reach Gitea API to check for updates"
  fi

  msg_ok "Updated successfully!"
}

update_alpine() {
  msg_info "Updating Alpine packages"
  $STD apk -U upgrade
  msg_ok "Updated Alpine packages"

  if command -v docker &>/dev/null; then
    msg_info "Updating Docker"
    $STD apk add --upgrade docker
    msg_ok "Docker updated"
  fi

  msg_info "Checking for Gitea Runner updates"
  local runner_bin
  if [[ -f /usr/local/bin/gitea-runner ]]; then
    runner_bin="/usr/local/bin/gitea-runner"
  else
    runner_bin="/usr/local/bin/act_runner"
  fi

  local current_version
  current_version=$("$runner_bin" --version 2>/dev/null | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1 || echo "0.0.0")

  local release_json
  release_json=$(curl -fsSL --connect-timeout 10 "https://gitea.com/api/v1/repos/gitea/act_runner/releases/latest" 2>/dev/null || true)
  if [[ -z "$release_json" ]]; then
    release_json=$(curl -fsSL --connect-timeout 10 "https://gitea.com/api/v1/repos/gitea/runner/releases/latest" 2>/dev/null || true)
  fi

  if [[ -n "$release_json" ]]; then
    local latest_version
    latest_version=$(echo "$release_json" | jq -r '.tag_name // empty' | tr -d 'v')
    local clean_current="${current_version#v}"

    if [[ -n "$latest_version" && "$latest_version" != "$clean_current" ]]; then
      msg_info "Updating Gitea Runner (${clean_current} -> ${latest_version})"
      local arch
      case "$(uname -m)" in
        x86_64) arch="amd64" ;;
        aarch64|arm64) arch="arm64" ;;
        armv7l) arch="arm-7" ;;
        *) arch="amd64" ;;
      esac

      local dl_url
      dl_url=$(echo "$release_json" | jq -r --arg a "linux-$arch" '.assets[] | select(.name | endswith($a)) | .browser_download_url' | head -1)

      if [[ -n "$dl_url" && "$dl_url" != "null" ]]; then
        rc-service gitea-runner stop 2>/dev/null || true
        curl -fsSL "$dl_url" -o "${runner_bin}.new"
        chmod +x "${runner_bin}.new"
        mv "${runner_bin}.new" "$runner_bin"
        [[ ! -f /usr/local/bin/act_runner ]] && ln -sf "$runner_bin" /usr/local/bin/act_runner
        [[ ! -f /usr/local/bin/gitea-runner ]] && ln -sf "$runner_bin" /usr/local/bin/gitea-runner

        rc-service gitea-runner start 2>/dev/null || true
        msg_ok "Updated Gitea Runner to v${latest_version}"
      else
        msg_warn "Could not resolve release download URL for architecture: linux-$arch"
      fi
    else
      msg_ok "Gitea Runner is up to date (v${clean_current})"
    fi
  else
    msg_warn "Could not reach Gitea API to check for updates"
  fi

  msg_ok "Updated successfully!"
}

function update_script() {
  header_info
  check_container_storage
  check_container_resources
  run_os_update
}

start
build_container
description

msg_ok "Completed successfully!\n"
echo -e "${CREATING}${GN}${APP} LXC container has been successfully created!${CL}"
echo -e "${INFO}${YW}Container IP: ${GN}${IP}${CL}\n"
echo -e "${TAB}To register the runner with your Gitea instance:"
echo -e "${TAB}${TAB}${GN}pct exec ${CTID} -- gitea-runner-register${CL}"
echo -e "${TAB}Or open the container console and execute:"
echo -e "${TAB}${TAB}${GN}gitea-runner-register${CL}\n"