//
//  AppDelegate.swift
//  ProjectClock
//
//  Created by Hykilpikonna on 1/6/21.
//

import UIKit
import UserNotifications

@main
class AppDelegate: UIResponder, UIApplicationDelegate {



    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        UNUserNotificationCenter.current().delegate = self
        // Override point for customization after application launch.
        return true
    }

    // MARK: UISceneSession Lifecycle

    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
        // Called when a new scene session is being created.
        // Use this method to select a configuration to create the new scene with.
        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }

    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
        // Called when the user discards a scene session.
        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
    }
}

extension AppDelegate: UNUserNotificationCenterDelegate {
    
  // This function will be called right after user tap on the notification
    func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
        
        // retrieve the root view controller (which is a tab bar controller)
        guard let rootViewController = (UIApplication.shared.connectedScenes.first?.delegate as? SceneDelegate)?.window?.rootViewController else {
            return
        }
      
        let storyboard = UIStoryboard(name: "Main", bundle: nil)

        // instantiate the view controller we want to show from storyboard
        // root view controller is tab bar controller
        // the selected tab is a navigation controller
        // then we push the new view controller to it
        if  let alarmVC = storyboard.instantiateViewController(withIdentifier: "LiveAlarmViewController") as? LiveAlarmViewController,
            let tabBarController = rootViewController as? UITabBarController,
            let navController = tabBarController.selectedViewController as? UINavigationController {

                // we can modify variable of the new view controller using notification data
                // (eg: title of notification)
                //alarmVC.senderDisplayName = response.notification.request.content.title
                // you can access custom data of the push notification by using userInfo property
                // response.notification.request.content.userInfo
                navController.pushViewController(alarmVC, animated: true)
        }
        
        // tell the app that we have finished processing the user’s action / response
        completionHandler()
    }
}