/*

 Copyright (C) 2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 The app delegate.

 */

import UIKit

@UIApplicationMain

class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    var rootViewController: UIViewController? {

        return window?.rootViewController

    }

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

        var performAdditionalHandling = true

        window?.makeKeyAndVisible()

        if let shortcutItem = launchOptions?[.shortcutItem] as? UIApplicationShortcutItem, let rootViewController = rootViewController {

            let didHandleShortcutItem = ShortcutItemHandler.handle(shortcutItem, with: rootViewController)

            performAdditionalHandling = !didHandleShortcutItem

        }

        ShortcutItemHandler.updateDynamicShortcutItems(for: application)

        return performAdditionalHandling

    }

    func application(_ application: UIApplication, performActionFor shortcutItem: UIApplicationShortcutItem, completionHandler: @escaping (Bool) -> Void) {

        var didHandleShortcutItem = false

        if let rootViewController = rootViewController {

            didHandleShortcutItem = ShortcutItemHandler.handle(shortcutItem, with: rootViewController)

        }

        completionHandler(didHandleShortcutItem)

    }

}

extension UIApplication {

    func present(alert: UIAlertController, animated: Bool = true) {

        UIApplication.shared.keyWindow?.rootViewController?.present(alert, animated: animated)

    }

}