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

namespace Moko\Component\MokoSuiteClient\Api\Controller;

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Controller\BaseController;

/**
 * Cache management API controller.
 *
 * POST /api/index.php/v1/mokosuiteclient/cache
 *
 * @since  1.0.0
 */
class CacheController extends BaseController
{
	/**
	 * Clear all Joomla caches.
	 *
	 * @return  void
	 *
	 * @since   1.0.0
	 */
	public function execute($task = 'cache'): void
	{
		$app = Factory::getApplication();

		if ($app->input->getMethod() !== 'POST')
		{
			$this->sendJson(405, ['error' => 'POST required']);
			return;
		}

		$user = $app->getIdentity();
		if (!$user->authorise('core.manage', 'com_plugins'))
		{
			$this->sendJson(403, ['error' => 'Not authorized']);
			return;
		}

		try
		{
			$cache = Factory::getCache('');
			$cache->clean('');

			$adminCache = Factory::getCache('', 'callback', 'administrator');
			$adminCache->clean('');

			if (function_exists('opcache_reset'))
			{
				opcache_reset();
			}

			$this->sendJson(200, [
				'status'  => 'ok',
				'message' => 'Cache cleared',
			]);
		}
		catch (\Throwable $e)
		{
			$this->sendJson(500, [
				'error'   => 'Cache clear failed',
				'message' => $e->getMessage(),
			]);
		}
	}

	/**
	 * @param   int    $code     HTTP status code
	 * @param   array  $payload  Response data
	 * @return  void
	 */
	private function sendJson(int $code, array $payload): void
	{
		$app = Factory::getApplication();
		$app->setHeader('Content-Type', 'application/json', true);
		$app->setHeader('Status', (string) $code, true);
		echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
		$app->close();
	}
}