import 'dart:async';
import 'dart:io';
import 'package:dart_json_mapper/dart_json_mapper.dart';
import 'package:get/get.dart';
import 'package:naiyouwl/app/common/constants.dart';
import 'package:naiyouwl/app/controller/GlobalController.dart';
import 'package:naiyouwl/app/controller/controllers.dart';
import 'package:naiyouwl/app/utils/shell.dart';
import 'package:naiyouwl/app/utils/utils.dart';
import 'package:url_launcher/url_launcher.dart';
import '../../../common/LogHelper.dart';
import '../../../common/SharedPreferencesUtil.dart';
import '../../../component/connection_status.dart';
import '../../../data/model/LocalUser.dart';
import '../../../data/model/NodeMode.dart';
import '../../../data/model/SysConfig.dart';
import '../../../data/model/UserMode.dart';
import '../../../network/api_service.dart';
import '../../../routes/app_pages.dart';

enum ImageType {
  CUSTOMER,
  PROMOTION,
  TUTORIAL,
  RENEWAL,
}

class HomeController extends GetxController {
  //TODO: Implement HomeController

  var isLoading = false.obs;
  var sysConfig = SysConfig().obs;
  var localUsers = LocalUser().obs;
  var userMode = User().obs;
  var UsersysConfig = SysConfig().obs;
  var serviceStuatus = false.obs;
  var coreStuatus = false.obs;
  var connectStatus = Rx<ConnectionStatus>(ConnectionStatus.disconnected);
  var nodeModes = <NodeMode>[];
  bool get isRunning => connectStatus.value == ConnectionStatus.stopped && controllers.global.allowStatusUpdate;
  late final GlobalController globalController = controllers.global;
  StreamSubscription<RunningState>? _statusSubscription;
  final Map<ImageType, String> imageMap = {
    ImageType.CUSTOMER: "assets/images/main/customer.png",
    ImageType.PROMOTION: "assets/images/main/promotion.png",
    ImageType.TUTORIAL: "assets/images/main/tutorial.png",
    ImageType.RENEWAL: "assets/images/main/renewal.png",
  };

  void onImageTap(ImageType type) async {
    if(type == ImageType.CUSTOMER){
      await launchUrl(Uri.parse(UsersysConfig.value.userTicket ?? ""));
    } else if (type == ImageType.PROMOTION){
      await launchUrl(Uri.parse(UsersysConfig.value.affUrl ?? ""));
    } else if (type == ImageType.TUTORIAL){
      await launchUrl(Uri.parse(UsersysConfig.value.userDownload ?? ""));
    } else if (type == ImageType.RENEWAL){
      await launchUrl(Uri.parse(UsersysConfig.value.userBuy ?? ""));
    }
    LogHelper().d("${imageMap[type]} tapped as ${type.toString().split('.').last}");
  }
  void updateStatus(ConnectionStatus newStatus) {
    connectStatus.value = newStatus;
  }

  void _handleStateChange([dynamic _]) async {
    final coreStatus = controllers.service.coreStatus.value;
    final isVisible = controllers.window.isVisible.value;
    final serviceStatus =  controllers.service.serviceStatus.value;
    if(serviceStatus != RunningState.running){
      updateStatus(ConnectionStatus.disconnected);
      return;
    }
    if (coreStatus == RunningState.running && isVisible &&  controllers.global.allowStatusUpdate) {
      // if(connectStatus.value == ConnectionStatus.connecting){
      //   controllers.global.updateMsg("连接完成...");
      // }

    }
  }

  Future<void> handleButtonClick() async {
    if(userMode.value.enable != 1){
      controllers.global.handleApiError("用户是禁用的，无法连接");
      return;
    }


    if(connectStatus.value == ConnectionStatus.connecting ){
      return;
    }
    // 如果当前状态是已连接或正在连接，则停止服务
    if (connectStatus.value == ConnectionStatus.stopped) {
      controllers.global.allowStatusUpdate = false;
      await controllers.config.setBreakConnections(true);
      // // 停止服务
      await controllers.service.stopClash();
      await controllers.global.systemProxySwitch(false);
      updateStatus(ConnectionStatus.disconnected);
      return;
    } else {
      controllers.config.config.value.selected = 'proxy.yaml';
      controllers.global.updateMsg("开始连接...");
      await controllers.config.setBreakConnections(true);
      controllers.global.allowStatusUpdate = true;
      var routeModes = controllers.global.routeModesSelect.value;
      if(routeModes == "tun"){
        controllers.global.updateMsg("正在启动网卡模式...");
        controllers.config.clashCoreTunEnable.value = true;
        controllers.global.startTunMode();
        if(controllers.service.serviceMode.value == false){

          if(Platform.isWindows)
          {
              if(!await isRunningAsAdmin()){
                controllers.global.updateMsg("网卡模式需要管理模式运行...");
                return;
              }
          } else {
            if(controllers.service.serviceMode.value == false){
              controllers.global.updateMsg("需要开启服务,才能使用...");
              return;
            }
          }

          //await controllers.service.serviceModeSwitch(true);
          serviceStuatus.value = true;
        }

        final coreStatus = controllers.service.coreStatus.value;
        if (coreStatus == RunningState.running){
          await controllers.service.reloadClashCore();
        }
        else{
          await controllers.service.startClashCore();
        }

      } else {

        controllers.global.updateMsg("正在启动系统模式...");
        controllers.config.clashCoreTunEnable.value = false;
        controllers.global.startSysMode();
        final coreStatus = controllers.service.coreStatus.value;
        if (coreStatus == RunningState.running){
          controllers.global.updateMsg("正在重启内核...");
          await controllers.service.reloadClashCore();
        }
        else{
          controllers.global.updateMsg("正在启动内核...");

          await controllers.service.startClashCore();
        }

      }

      updateStatus(ConnectionStatus.connecting);
      Future.delayed(const Duration(seconds: 3), () async {
        updateStatus(ConnectionStatus.stopped);
        await controllers.global.updateDate();
        await controllers.global.updateNode();
        //
        await controllers.tray.updateTray();

        if(routeModes == "tun"){

        }
        else{
          await controllers.global.systemProxySwitch(true);
          controllers.global.updateMsg("设置系统代理完成...");
        }
      });

    }
  }


  void SetSysProxy() async{

  }




  Future<void> stopVpn() async {
    controllers.global.updateMsg("正在停止...");
    await controllers.global.systemProxySwitch(false);
    await controllers.config.setBreakConnections(true);
    await controllers.tray.updateTray();

    // // 停止服务
    await controllers.service.stopClashCore();
    controllers.global.updateMsg("正在停止.等待3秒防止端口无法释放");
    Future.delayed(const Duration(seconds: 3), () async {
      controllers.global.allowStatusUpdate = false;
      updateStatus(ConnectionStatus.disconnected);
      controllers.global.updateMsg("停止完成,点击立即加速");
    });
  }
  Future<void> fetchAuthUser() async {
    try {

      // if (!controllers.service.isRunning){
      //   controllers.global.updateMsg("内核没有启动...");
      //   return;
      // }
      if(controllers.global.routeModesSelect.value == "tun")
      {
        if(Platform.isWindows)
        {

          if(!await isRunningAsAdmin()){
            controllers.global.updateMsg("网卡模式需要管理模式运行...");
            return;
          }
        } else {
          if(controllers.service.serviceMode.value == false){
            controllers.global.updateMsg("需要开启服务,才能使用,记得卸载服务才能卸载软件...");
            return;
          }
        }
      }


      if (controllers.global.allowStatusUpdate && connectStatus.value == ConnectionStatus.stopped || connectStatus.value == ConnectionStatus.connecting) {
        controllers.global.updateMsg("当前连接状态未停止,不要多次启动...");
        return;
      }
      controllers.global.updateMsg("正在身份验证...");
      final ret  = await ApiService().fetchAuthUser(KAuthUser);
      if(controllers.global.selectedNode.value == null){
        controllers.global.selectedNode.value = ret;
        controllers.global.selectNode(ret);
        controllers.global.updateMsg("获取自动节点完成...");
      }
      await handleButtonClick();
    } catch (e) {
      controllers.global.handleApiError(e);
    } finally {
    }
  }

  Future<void> fetchSysConfig() async {
    try {
      String? data  = await SharedPreferencesUtil().getString("sysconfig");
      if(data  != null){
        sysConfig.value =JsonMapper.deserialize<SysConfig>(data)!;
      }

    } catch (e) {
      controllers.global.handleApiError(e);
    } finally {
    }
  }
  
  Future<void> fetchUserinfo() async {
    try {
      isLoading.value = true;
      userMode.value = await ApiService().userinfo("/api/client/v4/userinfo");
      await globalController.fetchNodes();
      await fetchlUserUrl(localUsers.value.email ?? "",localUsers.value.password ?? "");
      //await controllers.global.makeProxy();
      //await controllers.global.initService();
    // //生成配置
    //   await controllers.global.makeProxy();
    //   // 开始重启服务
    //   await controllers.service.reloadClashCore();
    } catch (e) {
      controllers.global.handleApiError(e);
    } finally {
      isLoading.value = false;
    }
  }

  Future<void> fetchNode() async {
    try {
      isLoading.value = true;
      await globalController.fetchNodes();

    } catch (e) {
      controllers.global.handleApiError(e);
    } finally {
      isLoading.value = false;
    }
  }

  Future<void> outlogin() async {
    if(connectStatus.value == ConnectionStatus.connecting || connectStatus.value == ConnectionStatus.stopped){
      controllers.global.handleApiError("当前连接状态无法退出(先停止加速)");
      return ;
    }
    await SharedPreferencesUtil().delete("token");
    try {
      //isLoading.value = true;
      await ApiService().fetchLogout(KLogout);
    } catch (e) {
      //errorMsg.value = e.toString();
    } finally {
      //isLoading.value = false;
    }
    Get.offNamed(Routes.LOGIN);
  }

  //await SharedPreferencesUtil().setObject("localUser", userModes.toJson());
  Future<void> fetchlUserUrl(String username,String password) async {
    try {
      isLoading.value = true;
      UsersysConfig.value  = await ApiService().fetchUserSysConfig(kSysConfig,{"email":username,"password":password});
    } catch (e) {
      controllers.global.handleApiError(e);
    } finally {
      isLoading.value = false;
    }
  }
  Future<void> fetchLocalUser() async {
    try {
      String? userdata  = await SharedPreferencesUtil().getString("localUser");
      if(userdata  != null){
        localUsers.value = JsonMapper.deserialize<LocalUser>(userdata)!;
      }
      await fetchSysConfig();
    } catch (e) {
      controllers.global.handleApiError(e);
    } finally {
    }
  }

  Future<void> installService() async{
    if(serviceStuatus.value == false){
      controllers.global.updateMsg("正在安装服务");
      await controllers.service.serviceModeSwitch(true);
      serviceStuatus.value = true;

    }
  }

  Future<void> UninstallService() async{
    if(serviceStuatus.value){
      controllers.global.updateMsg("正在卸载服务");
      await controllers.service.serviceModeSwitch(false);
      serviceStuatus.value = false;

    }

  }
  Future<void> coreRestart() async{
    await controllers.service.reloadClashCore();
  }


  final count = 0.obs;
  @override
  void onInit() {
    super.onInit();
    _statusSubscription = controllers.service.coreStatus.stream.listen(_handleStateChange);

    fetchSysConfig();
    fetchLocalUser();
    fetchUserinfo();
    //controllers.global.initService();
  }

  @override
  void onReady() {
    super.onReady();
  }

  @override
  void onClose() {
    _statusSubscription?.cancel();
    super.onClose();

  }

  bool   GetEnable()  => userMode.value.enable == 1;
  String GetUserName() => localUsers.value.email.toString();
  String GetExpiredAt() => "到期时间:${userMode.value.expiredAt}";
  String GetTraffic() => "用户流量:${userMode.value.unusedTraffic}";
  String GetNode() => controllers.global.selectedNode.value?.name ?? "未选择节点";
  String getHttp() => "http 127.0.0.1:${controllers.config.mixedPort.value}";
  String getSocket() => "sock 127.0.0.1:${controllers.config.mixedPort.value}";

  void RouteNode() =>  Get.toNamed(Routes.NODE);
}