<?php
/**
 * webtrees: online genealogy
 * Copyright (C) 2019 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
declare(strict_types=1);

namespace Fisharebest\Webtrees\Http\Controllers;

use Fisharebest\Webtrees\Auth;
use Fisharebest\Webtrees\Module;
use Fisharebest\Webtrees\Resolver;
use Fisharebest\Webtrees\User;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * Controller for module actions.
 */
class ModuleController extends AbstractBaseController
{
    /**
     * Perform an HTTP action for one of the modules.
     *
     * @param Request  $request
     * @param User     $user
     * @param Resolver $resolver
     *
     * @return Response
     */
    public function action(Request $request, User $user, Resolver $resolver): Response
    {
        $module_name = $request->get('module');

        // Check that the module is enabled.
        // The module itself will need to check any tree-level access,
        // which may be different for each component (tab, menu, etc.) of the module.
        $module = Module::getModuleByName($module_name);

        // We'll call a function such as Module::getFooBarAction()
        $verb   = strtolower($request->getMethod());
        $action = $request->get('action');
        $method = $verb . $action . 'Action';

        // Actions with "Admin" in the name are for administrators only.
        if (strpos($action, 'Admin') !== false && !Auth::isAdmin($user)) {
            throw new AccessDeniedHttpException();
        }

        if (method_exists($module, $method)) {
            $response = $resolver->dispatch($module, $method);

            if ($response instanceof Response) {
                return $response;
            }

            return $this->viewResponse($response->name, $response->data);
        }

        throw new NotFoundHttpException('Module not found');
    }
}
