func application(_ application: UIApplication,
                 didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
    application.registerForRemoteNotifications()
    registerForPushNotifications(application: application)
    
    FirebaseApp.configure()
    Messaging.messaging().delegate = self
    return true
}

func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    let tokenParts = deviceToken.map { data in String(format: "%02.2hhx", data) }
    let token = tokenParts.joined()
    print("Device Token: \(token)")
    Messaging.messaging().apnsToken = deviceToken
}

func registerForPushNotifications(application: UIApplication) {
    UNUserNotificationCenter.current().delegate = self
    let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
  
    UNUserNotificationCenter.current().requestAuthorization(options: authOptions) { granted, error in
        if let error = error {
            print("Failed to request authorization: \(error.localizedDescription)")
            return
        }
        guard granted else { return }
        DispatchQueue.main.async {
            application.registerForRemoteNotifications()
        }
    }
}

func userNotificationCenter(_ center: UNUserNotificationCenter,
                            willPresent notification: UNNotification,
                            withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {

    completionHandler([.banner, .badge, .sound])
}

func userNotificationCenter(_ center: UNUserNotificationCenter,
                            didReceive response: UNNotificationResponse,
                            withCompletionHandler completionHandler: @escaping () -> Void) {
    let userInfo = response.notification.request.content.userInfo
    completionHandler()
}

func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String?) {
    print("Token: \(fcmToken)")
}

@UIApplicationDelegateAdaptor(AppDelegate.self) var delegate
var body: some Scene {
    WindowGroup {
        ContentView()
    }

    ImmersiveSpace(id: "ImmersiveSpace") {
        ImmersiveView()
    }
}