<?php
/**
 * @package     MokoWaaS
 * @subpackage  pkg_mokowaas
 * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE
 */

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Installer\InstallerAdapter;
use Joomla\CMS\Log\Log;

/**
 * Package installation script for MokoWaaS.
 *
 * Handles migration from standalone plugin to package, enables plugins,
 * and triggers heartbeat registration on install/update.
 *
 * @since  2.2.0
 */
class Pkg_MokowaasInstallerScript
{
	/**
	 * Runs after package installation/update.
	 *
	 * @param   string            $type    Installation type
	 * @param   InstallerAdapter  $parent  Parent installer
	 *
	 * @return  void
	 *
	 * @since   2.2.0
	 */
	public function postflight($type, $parent)
	{
		$this->enablePlugin('system', 'mokowaas');
		$this->enablePlugin('webservices', 'mokowaas');
		$this->enablePlugin('task', 'mokowaasdemo');

		// Mark MokoWaaS extensions as protected (prevents disable/uninstall at framework level)
		$this->protectExtensions();

		// Trigger heartbeat registration
		$this->sendHeartbeat();
	}

	/**
	 * Enable a plugin by group and element.
	 *
	 * @param   string  $group    Plugin group
	 * @param   string  $element  Plugin element name
	 *
	 * @return  void
	 *
	 * @since   2.2.0
	 */
	private function enablePlugin(string $group, string $element): void
	{
		try
		{
			$db = Factory::getDbo();
			$query = $db->getQuery(true)
				->update($db->quoteName('#__extensions'))
				->set($db->quoteName('enabled') . ' = 1')
				->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
				->where($db->quoteName('folder') . ' = ' . $db->quote($group))
				->where($db->quoteName('element') . ' = ' . $db->quote($element));
			$db->setQuery($query);
			$db->execute();
		}
		catch (\Throwable $e)
		{
			Log::add('Error enabling plugin ' . $group . '/' . $element . ': ' . $e->getMessage(), Log::WARNING, 'jerror');
		}
	}

	/**
	 * Set the protected flag on all MokoWaaS extensions.
	 *
	 * Joomla's protected flag prevents disabling and uninstalling at the
	 * framework level — no plugin-side interception needed.
	 *
	 * @return  void
	 *
	 * @since   02.03.10
	 */
	private function protectExtensions(): void
	{
		try
		{
			$db = Factory::getDbo();
			$query = $db->getQuery(true)
				->update($db->quoteName('#__extensions'))
				->set($db->quoteName('protected') . ' = 1')
				->set($db->quoteName('locked') . ' = 0')
				->where('(' . $db->quoteName('element') . ' = ' . $db->quote('mokowaas')
					. ' OR ' . $db->quoteName('element') . ' = ' . $db->quote('pkg_mokowaas') . ')');
			$db->setQuery($query);
			$db->execute();
		}
		catch (\Throwable $e)
		{
			Log::add('Error protecting MokoWaaS extensions: ' . $e->getMessage(), Log::WARNING, 'jerror');
		}
	}

	/**
	 * Send heartbeat to the MokoWaaS monitoring receiver.
	 *
	 * @return  void
	 *
	 * @since   02.03.08
	 */
	private function sendHeartbeat(): void
	{
		try
		{
			$db = Factory::getDbo();
			$query = $db->getQuery(true)
				->select($db->quoteName('params'))
				->from($db->quoteName('#__extensions'))
				->where($db->quoteName('element') . ' = ' . $db->quote('mokowaas'))
				->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
				->where($db->quoteName('folder') . ' = ' . $db->quote('system'));
			$params = json_decode((string) $db->setQuery($query)->loadResult());

			$healthToken = $params->health_api_token ?? '';

			if (empty($healthToken))
			{
				return;
			}

			$siteUrl  = rtrim(\Joomla\CMS\Uri\Uri::root(), '/');
			$siteName = Factory::getConfig()->get('sitename', 'Joomla');

			$payload = json_encode([
				'site_url'     => $siteUrl,
				'site_name'    => $siteName,
				'health_token' => $healthToken,
				'action'       => 'register',
			], JSON_UNESCAPED_SLASHES);

			$ch = curl_init('https://bench.mokoconsulting.tech/api/waas-heartbeat/register');
			curl_setopt($ch, CURLOPT_POST, true);
			curl_setopt($ch, CURLOPT_HTTPHEADER, [
				'Content-Type: application/json',
				'X-MokoWaaS-Key: moko-waas-hb-2026-x9k4m',
			]);
			curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			curl_setopt($ch, CURLOPT_TIMEOUT, 15);
			curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

			$response = curl_exec($ch);
			$code     = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
			curl_close($ch);

			if ($code >= 200 && $code < 300)
			{
				Factory::getApplication()->enqueueMessage('Grafana heartbeat: site registered', 'message');
			}
		}
		catch (\Throwable $e)
		{
			// Silent failure — heartbeat is non-critical
		}
	}
}