import UIKit
import React
import React_RCTAppDelegate
import ReactAppDependencyProvider

import UserNotifications
import FirebaseCore

import GoogleMaps

@main
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate, MessagingDelegate  {
  var window: UIWindow?

  var reactNativeDelegate: ReactNativeDelegate?
  var reactNativeFactory: RCTReactNativeFactory?

  func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
  ) -> Bool {
    GMSServices.provideAPIKey("AIzaSyAVzs860l2Iuu1zG80IT1Zu4w7OvbVmJ4g")
    FirebaseApp.configure()
    Messaging.messaging().delegate = self
    
    let delegate = ReactNativeDelegate()
    let factory = RCTReactNativeFactory(delegate: delegate)
    delegate.dependencyProvider = RCTAppDependencyProvider()

    reactNativeDelegate = delegate
    reactNativeFactory = factory

    window = UIWindow(frame: UIScreen.main.bounds)

    factory.startReactNative(
      withModuleName: "Strides",
      in: window,
      launchOptions: launchOptions
    )

    let center = UNUserNotificationCenter.current()
    center.delegate = self

    return true
  }

  // MARK: - Linking (RN RCTLinkingManager)
  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
    return RCTLinkingManager.application(app, open: url, options: options)
  }

  func application(
    _ application: UIApplication,
    continue userActivity: NSUserActivity,
    restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void
  ) -> Bool {
    return RCTLinkingManager.application(
      application,
      continue: userActivity,
      restorationHandler: restorationHandler
    )
  }
  
  /*func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String?) {
          guard let fcmToken = fcmToken else { return }
          // 1. 组装数据字典并发送本地通知
          let dataDict: [String: String] = ["token": fcmToken]
          NotificationCenter.default.post(
              name: Notification.Name("FCMToken"),
              object: nil,
              userInfo: dataDict
          )
          
          // 2. 将字符串转换为 Data (UTF-8)
          let deviceToken = fcmToken.data(using: .utf8)
          
          // 3. 将 Token 传递给 React Native Push Notification 插件
          // 注意：确保已在 Swift 桥接头文件 (Bridging Header) 中导入了 RNCPushNotificationIOS.h
          RNCPushNotificationIOS.didRegisterForRemoteNotifications(withDeviceToken: deviceToken)
      }*/

  // MARK: - Push Notifications (RNCPushNotificationIOS)
  // Required to register for notifications
  func application(_ application: UIApplication, didRegister notificationSettings: UIUserNotificationSettings) {
    RNCPushNotificationIOS.didRegister(notificationSettings)
  }

  // Required for the register event
  func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    // 1. 将 APNs Device Token 关联至 Firebase Messaging
    Messaging.messaging().apnsToken = deviceToken
    // 2. 获取当前的 FCM Token 并通过通知中心发送给 RN 端
    if let fcmToken = Messaging.messaging().fcmToken {
      let userInfo: [AnyHashable: Any] = ["deviceToken": fcmToken]
      NotificationCenter.default.post(
        name: Notification.Name("RemoteNotificationsRegistered"),
        object: self,
        userInfo: userInfo
      )
    }
    //RNCPushNotificationIOS.didRegisterForRemoteNotifications(withDeviceToken: deviceToken)
  }

  // Required for the notification event
  func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
    RNCPushNotificationIOS.didReceiveRemoteNotification(userInfo, fetchCompletionHandler: completionHandler)
  }

  // Required for the registrationError event
  func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
    RNCPushNotificationIOS.didFailToRegisterForRemoteNotificationsWithError(error)
  }

  // iOS 10+ Required for localNotification event
  func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
    RNCPushNotificationIOS.didReceive(response)
    completionHandler()
  }

  // Called when a notification is delivered to a foreground app
  func userNotificationCenter(
    _ center: UNUserNotificationCenter,
    willPresent notification: UNNotification,
    withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void
  ) {
    completionHandler([.alert, .badge, .sound])
  }
}

class ReactNativeDelegate: RCTDefaultReactNativeFactoryDelegate {
  override func sourceURL(for bridge: RCTBridge) -> URL? {
    self.bundleURL()
  }

  override func bundleURL() -> URL? {
    #if DEBUG
        RCTBundleURLProvider.sharedSettings().jsBundleURL(forBundleRoot: "index")
    #else
        Bundle.main.url(forResource: "main", withExtension: "jsbundle")
    #endif
  }
}