import Flutter
import AppTrackingTransparency
import AdSupport


public class UnionAdSsgfPlugin: NSObject, FlutterPlugin ,FlutterStreamHandler{
    static var methodName =  "union_ad_ssgf_method"
    static var eventName  = "union_ad_ssgf_event"
    
    var splashAd: FAQSplashPage?
    var rewardAd: FAQRewardVideoPage?
    var sink:FlutterEventSink?
    
  public static func register(with registrar: FlutterPluginRegistrar) {
      let methodChannel = FlutterMethodChannel(name: methodName, binaryMessenger: registrar.messenger());
      let eventChannel = FlutterEventChannel(name: eventName, binaryMessenger: registrar.messenger());
      let instance = UnionAdSsgfPlugin();
      registrar.addMethodCallDelegate(instance, channel: methodChannel);
      eventChannel.setStreamHandler(instance);
  }

  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
    switch call.method {
    case "getPlatformVersion":
        getPlatformVersion(call: call, result: result)
    case "requestIDFA":
        requestIDFA(call: call, result: result)
    case "initAd": // 初始化
        initAd(call:call, result: result);
    case "setPersonalizedState": // 设置广告个性化
        setPersonalizedState(call:call, result: result);
    case "showSplashAd": // 开屏广告
        showSplashAd(call:call, result: result);
    case "showRewardVideoAd": // 激励广告
        showRewardVideoAd(call:call, result: result);
    default:
      result(FlutterMethodNotImplemented)
    }
  }
    
  // 版本号
  public func getPlatformVersion(call: FlutterMethodCall,  result: @escaping FlutterResult) {
      result("iOS " + UIDevice.current.systemVersion)
  }
 
  // 初始化广告
  public func initAd(call: FlutterMethodCall, result: @escaping FlutterResult) {
      if let arguments = call.arguments as? [String: Any],
         let appId = arguments["appId"] as? String {
          print("App ID: \(appId)")
          // 初始化插件
          let initSuccess = GDTSDKConfig.initWithAppId(appId)
          print("初始化插件 initSuccess: \(initSuccess)")
          result(NSNumber(value: initSuccess))
          GDTSDKConfig.start {success, error in
              // 返回结果
              result(true)
                 if success {
                   result(NSNumber(value: true))
                 } else {
                   result(NSNumber(value: false))
                     if let error = error {
                         print("FlutterQqAdsPlugin initAd error: \(error.localizedDescription)")
                     }
                 }
             }
      } else {
          print("appId not found or invalid type.")
          result(NSNumber(value: false))  // 处理无效的 appId
      }
  }
    
    
  // 透明权限
  public func requestIDFA(call: FlutterMethodCall, result: @escaping FlutterResult) {
      if #available(iOS 14, *) {
          ATTrackingManager.requestTrackingAuthorization { status in
              let requestResult = (status == .authorized)
              print("requestIDFA: \(requestResult ? "YES" : "NO")")
              result(requestResult)
          }
      } else {
          result(true)
      }
  }
    
  // 设置广告个性化
  public func setPersonalizedState(call: FlutterMethodCall, result: @escaping FlutterResult) {
      if let arguments = call.arguments as? [String: Any],
         let state = arguments["state"] as? Int {
          print("Set State : \(state)")
          GDTSDKConfig.setPersonalizedState(state)
          result(NSNumber(value: true))
      } else {
          print("appId not found or invalid type.")
          result(NSNumber(value: false))  // 处理无效的 appId
      }
  }

  // 开屏广告
  public func showSplashAd(call: FlutterMethodCall, result: FlutterResult) {
      // 初始化 FAQSplashPage 实例
      self.splashAd = FAQSplashPage()
      if(self.sink != nil){
          print("--------------->>>>> showSplashAd");
          self.splashAd?.showAd(call: call, eventSink: self.sink!)
          result(true)
      }else{
          result(NSNumber(value: false))
      }
  }
  
  // 激励广告
  public func showRewardVideoAd(call: FlutterMethodCall, result: FlutterResult) {
      // 初始化 FAQRewardVideoPage 实例
      self.rewardAd = FAQRewardVideoPage();
      if(self.sink != nil){
          self.rewardAd?.showAd(call: call, eventSink: self.sink!)
          result(NSNumber(value: true))
      }else{
          result(NSNumber(value: false))
      }
  }
    
  // 设置事件接收器
  public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
    self.sink = events
    return nil
  }
    
  // 清空事件接收器
  public func onCancel(withArguments arguments: Any?) -> FlutterError? {
    self.sink = nil;
    return nil;
  }
    
  // 添加事件
  private func addEvent(_ event: NSObject) {
    self.sink?(event)
  }
    
}