import Flutter
import UIKit
import UserNotifications
import FirebaseCore
import GoogleMaps
import firebase_messaging

@main
@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {

  func didInitializeImplicitFlutterEngine(_ engineBridge: any FlutterImplicitEngineBridge) {
    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
      
      
      // Run AFTER all plugins registered so Firebase sits in front of the VoIP plugin
        FLTFirebaseMessagingPlugin.configureNotificationCenterDelegate()
  }

  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    FirebaseApp.configure()
    application.registerForRemoteNotifications()
    GMSServices.provideAPIKey("AIzaSyB6TERnxIr0yJ3qG4ULBZbu0sAD4tGqtng")
    initializePlatformChannels()
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }

    func initializePlatformChannels(){

        DispatchQueue.main.async { [weak self] in
                guard let self = self else { return }

                // 1. Try accessing window via AppDelegate (legacy/single-window setup)
                var controller = self.window?.rootViewController as? FlutterViewController

                // 2. Fallback to UIWindowScene active window (modern iOS architecture)
                if controller == nil {
                    controller = UIApplication.shared.connectedScenes
                        .compactMap { $0 as? UIWindowScene }
                        .flatMap { $0.windows }
                        .first(where: { $0.isKeyWindow })?
                        .rootViewController as? FlutterViewController
                }

                // 3. Perform initialization once FlutterViewController is available
                if let mainViewController = controller {
                    HMGPenguinInPlatformBridge.initialize(flutterViewController: mainViewController)
                } else {
                    print("⚠️ FlutterViewController not ready yet for initializePlatformChannels.")
                }
            }


        if let mainViewController = window?.rootViewController as? FlutterViewController{ // platform initialization suppose to be in foreground
               HMGPenguinInPlatformBridge.initialize(flutterViewController: mainViewController)
           }

    }

    override func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken:Data){
//           Messaging.messaging().apnsToken = deviceToken
          super.application(application, didRegisterForRemoteNotificationsWithDeviceToken: deviceToken)
      }
}