<?php

namespace OAuth2ServerExamples\Repositories;

use League\OAuth2\Server\Entities\Interfaces\ScopeEntityInterface;
use League\OAuth2\Server\Repositories\UserRepositoryInterface;
use OAuth2ServerExamples\Entities\ScopeEntity;
use OAuth2ServerExamples\Entities\UserEntity;

class UserRepository implements UserRepositoryInterface
{

    /**
     * Get a user entity.
     *
     * @param string                 $username
     * @param string                 $password
     * @param string                 $grantType The grant type used
     * @param ScopeEntityInterface[] $scopes
     *
     * @return \League\OAuth2\Server\Entities\Interfaces\UserEntityInterface
     */
    public function getUserEntityByUserCredentials($username, $password, $grantType, array &$scopes)
    {
        if ($username === 'alex' && $password === 'whisky') {
            $scope = new ScopeEntity();
            $scope->setIdentifier('email');
            $scopes[] = $scope;

            return new UserEntity();
        }

        return null;
    }
}