<?php
/**
 * Authserver, an OAuth2-based single-signon authentication provider written in PHP.
 *
 * Copyright (C) $today.date  Lars Vierbergen
 *
 * his 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 <http://www.gnu.org/licenses/>.
 */
namespace vierbergenlars\AuthserverExternalAccountBundle\EventListener;

use App\Event\TemplateEvent;
use HWI\Bundle\OAuthBundle\Security\OAuthUtils;
use Symfony\Bridge\Doctrine\ManagerRegistry;
use Symfony\Bundle\FrameworkBundle\Templating\TemplateReference;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use User\UserEvents;
use vierbergenlars\AuthserverExternalAccountBundle\Entity\ExternalUser;
use vierbergenlars\AuthserverExternalAccountBundle\ExternalAccount\ExternalAccountProviderManager;
use vierbergenlars\AuthserverOAuthAccountBundle\ResourceOwner\ResourceOwnerMap;

class ProfileTemplateListener implements EventSubscriberInterface
{

    /**
     *
     * @var ManagerRegistry
     */
    private $registry;

    /**
     *
     * @var ExternalAccountProviderManager
     */
    private $accountProviderManager;

    public function __construct(ManagerRegistry $registry, ExternalAccountProviderManager $accountProviderManager)
    {
        $this->registry = $registry;
        $this->accountProviderManager = $accountProviderManager;
    }

    public static function getSubscribedEvents()
    {
        return [
            UserEvents::USER_PROFILE_VIEW => [
                [
                    'addExternalAccounts',
                    -60
                ]
            ]
        ];
    }

    public function addExternalAccounts(TemplateEvent $event)
    {
        $providers = $this->accountProviderManager->getAccountProviders();
        if (count($providers) > 0) {
            $externalUsers = $this->registry->getManagerForClass(ExternalUser::class)
                ->getRepository(ExternalUser::class)
                ->findBy([
                'user' => $event->getSubject()
            ]);
            $event->addTemplate(new TemplateReference('AuthserverExternalAccountBundle', 'Profile', 'external_accounts', 'html', 'twig'), [
                'externalUsers' => $externalUsers,
                'providerManager' => $this->accountProviderManager
            ]);
        }
    }
}