<?php

declare(strict_types = 1);

// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social.  If not, see <http://www.gnu.org/licenses/>.
// }}}

/**
 * OAuth2 implementation for GNU social
 *
 * @package   OAuth2
 * @category  API
 *
 * @author    Diogo Peralta Cordeiro <mail@diogo.site>
 * @author    Hugo Sales <hugo@hsal.es>
 * @copyright 2022 Free Software Foundation, Inc http://www.fsf.org
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */

namespace Plugin\OAuth2\Repository;

use League\OAuth2\Server\Entities\ClientEntityInterface;
use League\OAuth2\Server\Entities\ScopeEntityInterface;
use League\OAuth2\Server\Repositories\ScopeRepositoryInterface;

class Scope implements ScopeRepositoryInterface
{
    /**
     * @return ?ScopeEntityInterface
     */
    public function getScopeEntityByIdentifier($scopeIdentifier)
    {
        $scopes = [
            'basic' => [
                'description' => 'Basic details about you',
            ],
            'email' => [
                'description' => 'Your email address',
            ],
            'read' => [
                'description' => 'Read',
            ],
            'write' => [
                'description' => 'Read',
            ],
            'follow' => [
                'description' => 'Read',
            ],
        ];

        if (\array_key_exists($scopeIdentifier, $scopes) === false) {
            return;
        }

        return new class($scopeIdentifier) implements ScopeEntityInterface {
            public function __construct(private string $identifier)
            {
            }
            public function getIdentifier()
            {
                return $this->identifier;
            }
            public function jsonSerialize(): mixed
            {
                return $this->getIdentifier();
            }
        };
    }

    public function finalizeScopes(
        array $scopes,
        $grantType,
        ClientEntityInterface $clientEntity,
        $userIdentifier = null,
    ) {
        return $scopes;
    }
}