import UIKit
import Flutter
import StoreKit

// Add these two import lines
import TIMPush
import tencent_cloud_chat_push

@main
@objc class AppDelegate: FlutterAppDelegate,TIMPushDelegate {
    
  private var edgePanRecognizer: UIScreenEdgePanGestureRecognizer?
  private var methodChannel: FlutterMethodChannel?

  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {

    // 获取 root FlutterViewController 实例
    guard let controller = window?.rootViewController as? FlutterViewController else {
      fatalError("rootViewController is not a FlutterViewController")
    }

    let channel = FlutterMethodChannel(
            name: "cn.banxe.appframe/receipt",
            binaryMessenger: controller.binaryMessenger
    )

    channel.setMethodCallHandler { (call, result) in
            switch call.method {
            case "getReceipt":
                self.getReceiptBase64(result: result)
            case "refreshReceipt":
                self.refreshReceipt(result: result)
            default:
                result(FlutterMethodNotImplemented)
            }
    }

    // 注册插件
    GeneratedPluginRegistrant.register(with: self)

    // 创建 MethodChannel，用于与 Flutter 通信
    methodChannel = FlutterMethodChannel(
      name: "ios_edge_swipe",
      binaryMessenger: controller.binaryMessenger
    )

    methodChannel?.setMethodCallHandler { [weak self] (call, result) in
      if call.method == "initSwipeListener" {
        self?.setupEdgeSwipeGesture(controller: controller)
        result(nil)
      }
    }

    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }

  // 添加边缘滑动手势识别器
  private func setupEdgeSwipeGesture(controller: UIViewController) {
    if edgePanRecognizer != nil {
        return // 防止重复添加
    }

    edgePanRecognizer = UIScreenEdgePanGestureRecognizer(target: self, action: #selector(handleEdgeSwipe(_:)))
    edgePanRecognizer?.edges = [.left] // 监听左边缘
    edgePanRecognizer?.delegate = self

    controller.view.addGestureRecognizer(edgePanRecognizer!)
    print("✅ 左边缘滑动手势监听已添加")
  }

  // 触发时回调
  @objc private func handleEdgeSwipe(_ gesture: UIScreenEdgePanGestureRecognizer) {
    if gesture.state == .recognized {
      methodChannel?.invokeMethod("onEdgeSwipe", arguments: nil)
      print("👈 左边缘滑动检测到！已通知 Flutter")
    }
  }


  // To be deprecated，please use the new field businessID below.
  @objc func offlinePushCertificateID() -> Int32 {
      return TencentCloudChatPushFlutterModal.shared.offlinePushCertificateID();
  }

  // Add this function
  @objc func businessID() -> Int32 {
      return TencentCloudChatPushFlutterModal.shared.businessID();
  }

  // Add this function
  @objc func applicationGroupID() -> String {
      return TencentCloudChatPushFlutterModal.shared.applicationGroupID()
  }
    
  // Add this function
  @objc func onRemoteNotificationReceived(_ notice: String?) -> Bool {
        TencentCloudChatPushPlugin.shared.tryNotifyDartOnNotificationClickEvent(notice)
      return true
  }


      private func getReceiptBase64(result: @escaping FlutterResult) {
        guard let receiptURL = Bundle.main.appStoreReceiptURL,
              FileManager.default.fileExists(atPath: receiptURL.path),
              let receiptData = try? Data(contentsOf: receiptURL) else {
            result(FlutterError(code: "NO_RECEIPT",
                                message: "收据不存在，请先刷新",
                                details: nil))
            return
        }
        result(receiptData.base64EncodedString())
    }

    private func refreshReceipt(result: @escaping FlutterResult) {
        let request = SKReceiptRefreshRequest()
        request.delegate = RefreshDelegate(result: result)
        request.start()
    }

}

// 可选：防止冲突的手势识别设置
extension AppDelegate: UIGestureRecognizerDelegate {
  func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
    // 如果需要同时识别，比如与 WebView 的滚动手势共存
    return true
  }
}

class RefreshDelegate: NSObject, SKRequestDelegate {
    let result: FlutterResult
    init(result: @escaping FlutterResult) { self.result = result }

    func requestDidFinish(_ request: SKRequest) {
        result(true)
    }

    func request(_ request: SKRequest, didFailWithError error: Error) {
        result(FlutterError(code: "REFRESH_FAILED",
                            message: error.localizedDescription,
                            details: nil))
    }
}