<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM – Open Source CRM application.
 * Copyright (C) 2014-2026 EspoCRM, Inc.
 * Website: https://www.espocrm.com
 *
 * This 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 <https://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Core\Session;

use const PHP_SESSION_NONE;

/**
 * Do not use directly. Require the Session interface instead.
 *
 * @internal
 */
class DefaultSession implements Session
{
    public function __construct(
        ?string $cacheLimiter = null,
        ?int $cacheExpire = null,
    ) {
        if (session_status() === PHP_SESSION_NONE) {
            if ($cacheLimiter !== null) {
                session_cache_limiter($cacheLimiter);
            }

            if ($cacheExpire !== null) {
                session_cache_expire($cacheExpire);
            }

            session_start();
        }
    }

    public function get(string $key): mixed
    {
        return $_SESSION[$key] ?? null;
    }

    public function set(string $key, mixed $value): Session
    {
        $_SESSION[$key] = $value;

        return $this;
    }

    public function clear(string $key): void
    {
        unset($_SESSION[$key]);
    }

    public function clearAll(): void
    {
        session_unset();
    }

    public function has(string $key): bool
    {
        return array_key_exists($key, $_SESSION);
    }
}