<?php

namespace App\Service;

use Doctrine\ORM\EntityManagerInterface;
use League\Bundle\OAuth2ServerBundle\Model\AccessToken;

class AccessTokenService
{


    private EntityManagerInterface $entityManager;

    public function __construct(EntityManagerInterface $entityManager)
    {
        $this->entityManager = $entityManager;
    }

    public function revokeTokens(String $userIdentifier): void {
        $accessTokens = $this->entityManager->getRepository(AccessToken::class)->findBy(['userIdentifier' => $userIdentifier, 'revoked' => false]);
        foreach($accessTokens as $accessToken) {
            $accessToken->revoke();
            $this->entityManager->persist($accessToken);
            $this->entityManager->flush();
        }
    }

    public function getUserFromToken(string $token)
    {
        $data = json_decode(base64_decode(strtr($token, '-_', '+/')), true);
        if (isset($data['user_identifier'])) {
            return $data['user_identifier'];
        }
        return null;
    }
}