<?php
/**
 * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
 *
 * Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace App\EventSubscriber\UserSystem;

use App\Entity\UserSystem\User;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Security\Core\Security;

/**
 * This subscriber is used to log out a disabled user, as soon as he to do a request.
 * It is not possible for him to login again, afterward.
 */
final class LogoutDisabledUserSubscriber implements EventSubscriberInterface
{
    private \Symfony\Bundle\SecurityBundle\Security $security;
    private UrlGeneratorInterface $urlGenerator;

    public function __construct(\Symfony\Bundle\SecurityBundle\Security $security, UrlGeneratorInterface $urlGenerator)
    {
        $this->security = $security;

        $this->urlGenerator = $urlGenerator;
    }

    public function onRequest(RequestEvent $event): void
    {
        $user = $this->security->getUser();
        if ($user instanceof User && $user->isDisabled()) {
            //Redirect to log in
            $response = new RedirectResponse($this->urlGenerator->generate('logout'));
            $event->setResponse($response);
        }
    }

    /**
     * Returns an array of event names this subscriber wants to listen to.
     *
     * The array keys are event names and the value can be:
     *
     *  * The method name to call (priority defaults to 0)
     *  * An array composed of the method name to call and the priority
     *  * An array of arrays composed of the method names to call and respective
     *    priorities, or 0 if unset
     *
     * For instance:
     *
     *  * ['eventName' => 'methodName']
     *  * ['eventName' => ['methodName', $priority]]
     *  * ['eventName' => [['methodName1', $priority], ['methodName2']]]
     *
     * @return array The event names to listen to
     */
    public static function getSubscribedEvents(): array
    {
        return [KernelEvents::REQUEST => 'onRequest'];
    }
}