@objc extension UIAlertController {

static func showAlert(title: String?, message: String? = nil, closeActionTitle: String? = "OK", preferredStyle: UIAlertControllerStyle = .alert, actions: [UIAlertAction]? = nil) {
        let alertController = UIAlertController(title: title,
                                                message: message,
                                                preferredStyle: preferredStyle)
        var allActions = [UIAlertAction]()
        if let closeTitle = closeActionTitle {
            allActions.append(UIAlertAction(title: closeTitle, style: .cancel))
        }
        allActions.append(contentsOf: actions ?? [])
        allActions.forEach { alertController.addAction($0) }

        let vc = ClearViewController()
        let window = UIWindow(frame: UIScreen.main.bounds)
        window.rootViewController = vc
        window.backgroundColor = AppTheme.color.clear
        window.windowLevel = UIWindowLevelAlert

    DispatchQueue.main.async {
        window.makeKeyAndVisible()
        vc.present(alertController, animated: true)
    }
}