<?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\AuthserverOAuthAccountBundle\EventListener;

use Registration\Event\RegistrationHandleEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Registration\RegistrationEvents;
use Registration\Event\RegistrationFormEvent;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use vierbergenlars\AuthserverOAuthAccountBundle\Entity\TemporaryUser;
use Doctrine\ORM\EntityManagerInterface;
use App\Entity\EmailAddress;
use vierbergenlars\AuthserverOAuthAccountBundle\ResourceOwner\ResourceOwnerMap;
use EmailRulesBundle\EmailHandler\EmailRules;
use Registration\RegistrationHandler\RegistrationRules;

class RegistrationFieldsListener implements EventSubscriberInterface
{

    /**
     *
     * @var TokenStorageInterface
     */
    private $tokenStorage;

    /**
     *
     * @var string[]
     */
    private $registrationFields;

    public static function getSubscribedEvents()
    {
        return [
            RegistrationEvents::BUILD_FORM => [
                'onBuildForm',
                9
            ]
        ];
    }

    public function __construct(TokenStorageInterface $tokenStorage, array $registrationFields)
    {
        $this->tokenStorage = $tokenStorage;
        $this->registrationFields = $registrationFields;
    }

    private function getTemporaryUser()
    {
        $token = $this->tokenStorage->getToken();
        if (!$token)
            return null;
        $user = $token->getUser();
        if ($user instanceof TemporaryUser)
            return $user;
        return null;
    }

    public function onBuildForm(RegistrationFormEvent $event)
    {
        if ($this->getTemporaryUser()) {
            switch ($this->registrationFields['email']) {
                case 'prefill':
                    break;
                case 'blank':
                    $event->getFormBuilder()
                        ->getData()
                        ->getPrimaryEmailAddress()
                        ->setEmail('');
                    break;
                case 'force':
                    $event->getFormBuilder()
                        ->get('emailAddresses')
                        ->setDisabled(true);
                    break;
            }

            switch ($this->registrationFields['display_name']) {
                case 'prefill':
                    break;
                case 'blank':
                    $event->getFormBuilder()
                        ->getData()
                        ->setDisplayName('');
                    break;
                case 'force':
                    $event->getFormBuilder()
                        ->get('displayName')
                        ->setDisabled(true);
                    break;
            }

            switch ($this->registrationFields['password']) {
                case 'blank':
                    $event->getFormBuilder()
                        ->getData()
                        ->setPasswordEnabled(1);
                    break;
                case 'hidden':
                    $event->getFormBuilder()
                        ->getData()
                        ->setPasswordEnabled(2);
                    break;
                case 'force-disable':
                    $event->getFormBuilder()
                        ->getData()
                        ->setPasswordEnabled(0);
                    break;
            }

            if ($this->registrationFields['password'] === false) {
                $event->getFormBuilder()
                    ->getData()
                    ->setPasswordEnabled(1);
            }
        }
    }
}