import UIKit
import Flutter

public class UnionAdSsgfPlugin: NSObject, FlutterPlugin ,FlutterStreamHandler{
    static var methodName:String = "union_ad_ssgf_method"
    static var eventName :String = "flutter_qq_ads_event"
    var splashAd: FAQSplashPage!
    var rewardAd: FAQRewardVideoPage!
    
    // 通知时间
    var eventChannel:FlutterEventChannel?
    var sink:FlutterEventSink?
    
    public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
        self.sink = events;
        return nil;
    }
    
    public func onCancel(withArguments arguments: Any?) -> FlutterError? {
        self.sink = nil;
        return nil;
    }
    
  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 "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)
          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
      }
  }
    
  // 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()
      
      // 调用 showAd 方法
      self.splashAd.showAd(call: call, eventSink: self.sink!)
      
      // 返回结果
      result(NSNumber(value: true))

  }
  
  // 激励广告
  public func showRewardVideoAd(call: FlutterMethodCall, result: FlutterResult) {
      // 初始化 FAQRewardVideoPage 实例
      self.rewardAd = FAQRewardVideoPage();
      // 调用 showAd 方法
      self.rewardAd.showAd(call: call, eventSink: self.sink!)
      // 返回结果
      result(NSNumber(value: true))
  }
}