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<?php

/**
 * MvcCore
 *
 * This source file is subject to the BSD 3 License
 * For the full copyright and license information, please view
 * the LICENSE.md file that are distributed with this source code.
 *
 * @copyright   Copyright (c) 2016 Tom Flidr (https://github.com/mvccore)
 * @license  https://mvccore.github.io/docs/mvccore/5.0.0/LICENCE.md
 */

namespace MvcCore\Session;

trait NamespaceMethods {

    /**
     * @inheritDocs
     * @param string $name Session namespace unique name.
     * @return \MvcCore\Session
     */
    public static function GetNamespace (
        $name = \MvcCore\ISession::DEFAULT_NAMESPACE_NAME
    ) {
        if (!static::GetStarted())
            static::Start();
        if (!isset(static::$instances[$name])) {
            /** @var $instance \MvcCore\Session */
            $instance = new static();
            $instance->__name = $name;
            static::$meta->names[$name] = 1;
            if (!isset($_SESSION[$name]))
                $_SESSION[$name] = [];
            static::$instances[$name] = $instance;
        }
        return static::$instances[$name];
    }

    /**
     * @inheritDocs
     * @param int $hoops
     * @return \MvcCore\Session
     */
    public function SetExpirationHoops ($hoops) {
        /** @var $this \MvcCore\Session */
        static::$meta->hoops[$this->__name] = $hoops;
        return $this;
    }

    /**
     * @inheritDocs
     * @param int $seconds
     * @return \MvcCore\Session
     */
    public function SetExpirationSeconds ($seconds = 0) {
        /** @var $this \MvcCore\Session */
        if ($seconds > 0)
            static::$meta->expirations[$this->__name] = static::$sessionStartTime + $seconds;
        return $this;
    }



    /**
     * @inheritDocs
     * @return void
     */
    public function Destroy () {
        /** @var $this \MvcCore\Session */
        $name = $this->__name;
        $names = & static::$meta->names;
        $hoops = & static::$meta->hoops;
        $expirations = & static::$meta->expirations;
        $instances = & static::$instances;
        if (isset($names[$name])) unset($names[$name]);
        if (isset($hoops[$name])) unset($hoops[$name]);
        if (isset($expirations[$name])) unset($expirations[$name]);
        if (isset($_SESSION[$name])) unset($_SESSION[$name]);
        if (isset($instances[$name])) unset($instances[$name]);
    }

    /**
     * @inheritDocs
     * @return void
     */
    public static function DestroyAll () {
        session_destroy();
        $_SESSION = NULL;
        static::$started = FALSE;
        $response = \MvcCore\Application::GetInstance()->GetResponse();
        if (!$response->IsSent()) {
            $params = (object) session_get_cookie_params();
            $response->DeleteCookie(
                session_name(),
                $params->path,
                $params->domain,
                $params->secure
            );
        }
    }
}