import UIKit
import Flutter
import Firebase
import flutter_local_notifications
import FBSDKCoreKit

@main
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {

    // For Push Notification Action Buttons
    FlutterLocalNotificationsPlugin.setPluginRegistrantCallback { (registry) in
      GeneratedPluginRegistrant.register(with: registry)
    }

    // ✅ Initialize Firebase
    FirebaseApp.configure()
    
    // ✅ Initialize Facebook SDK
    ApplicationDelegate.shared.application(
        application,
        didFinishLaunchingWithOptions: launchOptions
    )
    
    if #available(iOS 10.0, *) {
      UNUserNotificationCenter.current().delegate = self as UNUserNotificationCenterDelegate
    }
    
    GeneratedPluginRegistrant.register(with: self)
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
  
  // ✅ Handle Facebook URL Scheme
  override func application(
    _ app: UIApplication,
    open url: URL,
    options: [UIApplication.OpenURLOptionsKey : Any] = [:]
  ) -> Bool {
    
    // Handle Facebook URL
    let facebookHandled = ApplicationDelegate.shared.application(
        app,
        open: url,
        sourceApplication: options[UIApplication.OpenURLOptionsKey.sourceApplication] as? String,
        annotation: options[UIApplication.OpenURLOptionsKey.annotation]
    )
    
    // Call super to handle other URL schemes (like Google Sign-In)
    let superHandled = super.application(app, open: url, options: options)
    
    return facebookHandled || superHandled
  }
}