<?php

/**
 * @package     MokoSuiteCross
 * @subpackage  com_mokosuitecross
 * @author      Moko Consulting <hello@mokoconsulting.tech>
 * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

namespace Joomla\Component\MokoSuiteCross\Administrator\Controller;

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Controller\FormController;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Response\JsonResponse;
use Joomla\Component\MokoSuiteCross\Administrator\Service\MokoSuiteCrossServiceInterface;

class ServiceController extends FormController
{
    /**
     * Test connection to a service by validating its credentials.
     *
     * @return  void
     */
    public function testConnection(): void
    {
        $this->checkToken();

        if (!$this->app->getIdentity()->authorise('core.manage', 'com_mokosuitecross')) {
            throw new \RuntimeException(Text::_('JLIB_APPLICATION_ERROR_ACCESS_FORBIDDEN'), 403);
        }

        $app = $this->app;
        $id  = (int) $this->input->getInt('id', 0);

        try {
            if ($id <= 0) {
                throw new \RuntimeException(Text::_('COM_MOKOSUITECROSS_TEST_CONNECTION_NO_SERVICE'));
            }

            // Load the service record
            $db = Factory::getDbo();
            $query = $db->getQuery(true)
                ->select('*')
                ->from($db->quoteName('#__mokosuitecross_services'))
                ->where($db->quoteName('id') . ' = ' . $id);
            $db->setQuery($query);
            $service = $db->loadObject();

            if (!$service) {
                throw new \RuntimeException(Text::_('COM_MOKOSUITECROSS_TEST_CONNECTION_NOT_FOUND'));
            }

            // Get service plugins via dispatcher (Joomla 5+ Event ArrayAccess pattern)
            PluginHelper::importPlugin('mokosuitecross');

            $servicePlugins = [];
            $event = new \Joomla\Event\Event('onMokoSuiteCrossGetServices', [$servicePlugins]);
            $app->getDispatcher()->dispatch('onMokoSuiteCrossGetServices', $event);

            $idx = 1;

            while (isset($event[$idx])) {
                $servicePlugins[] = $event[$idx];
                $idx++;
            }

            // Find the matching plugin
            $plugin = null;

            foreach ($servicePlugins as $sp) {
                if ($sp instanceof MokoSuiteCrossServiceInterface && $sp->getServiceType() === $service->service_type) {
                    $plugin = $sp;
                    break;
                }
            }

            if (!$plugin) {
                throw new \RuntimeException(Text::sprintf('COM_MOKOSUITECROSS_TEST_CONNECTION_NO_PLUGIN', $service->service_type));
            }

            // Decode credentials and validate
            $credentials = \Joomla\Component\MokoSuiteCross\Administrator\Helper\CredentialHelper::decrypt($service->credentials ?: '');
            $result = $plugin->validateCredentials($credentials);

            $app->mimeType = 'application/json';
            $app->setHeader('Content-Type', 'application/json; charset=utf-8');

            echo new JsonResponse($result);
        } catch (\Throwable $e) {
            $app->mimeType = 'application/json';
            $app->setHeader('Content-Type', 'application/json; charset=utf-8');

            echo new JsonResponse(['error' => $e->getMessage()]);
        }

        $app->close();
    }
}