class Session
{
    public function __construct()
    {
        if (session_status() === PHP_SESSION_NONE) {
            session_start();
        }
    }

    public function put(string $key, $value): void
    {
        $_SESSION[$key] = $value;
    }

    public function get(string $key, $default = null)
    {
        return $_SESSION['_flash'][$key] ?? $_SESSION[$key] ?? $_SESSION['user'][$key] ?? $default;
    }

    public function has(string $key): bool
    {
        return isset($_SESSION[$key]);
    }

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

    public function flash($key, $value) {

        $_SESSION['_flash'][$key] = $value;

    }

    public function flashReset(){

        unset($_SESSION['_flash']);

    }
    public function clear(){

        session_unset();
    }

    public function destroy(){

        $this->clear();
        session_destroy();

        $params = session_get_cookie_params();
        setcookie('PHPSESSID', '', time() -3600, $params['path'], $params['domain'], $params['secure'],                   $params['httponly']);


    }

}