import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_callkit_incoming/flutter_callkit_incoming.dart';
import 'package:flutter_ios_voip_kit/flutter_ios_voip_kit.dart';
import 'package:flutter_webrtc/flutter_webrtc.dart';
import 'package:just_audio/just_audio.dart';
import 'package:mohem_flutter_app/app_state/app_state.dart';
import 'package:mohem_flutter_app/classes/utils.dart';
import 'package:mohem_flutter_app/config/routes.dart';
import 'package:mohem_flutter_app/main.dart';
import 'package:mohem_flutter_app/models/chat/call.dart';
import 'package:mohem_flutter_app/models/chat/get_single_user_chat_list_model.dart';
import 'package:mohem_flutter_app/models/chat/webrtc_payloads.dart';
import 'package:mohem_flutter_app/provider/chat_provider_model.dart';
import 'package:mohem_flutter_app/ui/chat/call/chat_incoming_call_screen.dart';
import 'package:signalr_netcore/hub_connection.dart';

class ChatCallProvider with ChangeNotifier, DiagnosticableTreeMixin {
  ///////////////////// Web RTC Video Calling //////////////////////
  // Video Call
  late RTCPeerConnection _pc;
  late ChatProviderModel chatProvModel;
  RTCVideoRenderer? localVideoRenderer;
  RTCVideoRenderer? remoteRenderer;

  final AudioPlayer player = AudioPlayer();
  final FlutterIOSVoIPKit voIPKit = FlutterIOSVoIPKit.instance;
  MediaStream? _localStream;
  late CallDataModel outGoingCallData;
  bool isMicOff = false;
  bool isLoudSpeaker = false;
  bool isCamOff = false;
  bool isCallEnded = false;
  bool isVideoCall = false;
  bool isAudioCall = false;
  bool isCallStarted = false;
  bool isFrontCamera = true;
  late SingleUserChatModel incomingCallData;

  /// WebRTC Connection Variables
  bool isIncomingCallLoader = true;
  bool isIncomingCall = false;
  bool isOutGoingCall = false;
  bool isUserOnline = false;

  late BuildContext providerContext;

  void initCallListeners({required BuildContext context}) {
    providerContext = context;
    if (kDebugMode) {
      print("=================== Call Listeners Registered =======================");
    }
    chatHubConnection!.on("OnCallAcceptedAsync", onCallAcceptedAsync);
    chatHubConnection!.on("OnIceCandidateAsync", onIceCandidateAsync);
    chatHubConnection!.on("OnOfferAsync", onOfferAsync);
    chatHubConnection!.on("OnAnswerOffer", onAnswerOffer);
    chatHubConnection!.on("OnHangUpAsync", onHangUpAsync);
    chatHubConnection!.on("OnCallDeclinedAsync", onCallDeclinedAsync);
    // chatHubConnection!.on("OnIncomingCallAsync", OnIncomingCallAsync);
  }

  // Audio Constraints
  Map<String, Object> audioConstraints = {
    "sampleRate": 8000,
    "sampleSize": 16,
    "channelCount": 2,
    "echoCancellation": true,
    "audio": true,
  };

  Future<void> init() async {
    _pc = await creatOfferWithCon();
    Future.delayed(const Duration(seconds: 2), () {
      connectIncomingCall();
    });
  }

  ///////////////////////////////////////////////OutGoing Call////////////////////////////////////////////////////

  Future<void> initLocalCamera({required ChatProviderModel chatProvmodel, required callData, required BuildContext context, bool isIncomingCall = false}) async {
    isCallEnded = false;
    chatProvModel = chatProvmodel;
    outGoingCallData = callData;
    await initStreams();

    await startCall(callType: isVideoCall ? "Video" : "Audio", context: context);
    _pc = await creatOfferWithCon();
    connectOutgoing();
    notifyListeners();
  }

  void connectOutgoing() {
    isOutGoingCall = true;
    // notifyListeners();
  }

  Future<void> startCall({required String callType, required BuildContext context}) async {
    chatProvModel.isTextMsg = true;
    chatProvModel.isAttachmentMsg = false;
    chatProvModel.isVoiceMsg = false;
    chatProvModel.isReplyMsg = false;
    chatProvModel.isCall = true;
    chatProvModel.message.text = "Start $callType call ${outGoingCallData.receiverName.toString().replaceAll(".", " ")}";
    chatProvModel.sendChatMessage(
      context,
      targetUserId: outGoingCallData.receiverId!,
      userStatus: 1,
      userEmail: outGoingCallData.receiverEmail!,
      targetUserName: outGoingCallData.receiverName!,
    );
    await invoke(
      invokeMethod: "CallUserAsync",
      currentUserID: outGoingCallData.callerId!,
      targetUserID: outGoingCallData.receiverId!,
    );
    await invoke(invokeMethod: "UpdateUserStatusAsync", currentUserID: outGoingCallData.callerId!, targetUserID: outGoingCallData.receiverId!, userStatus: 4);
  }

  // OutGoing Listeners
  void onCallAcceptedAsync(List<Object?>? params) async {
    if (_timer!.isActive && _start > 5) {
      _timer!.cancel();
      _start = 25;
    }
    dynamic items = params!.toList();
    RTCSessionDescription description = await _createOffer();
    await _pc.setLocalDescription(description);
    dynamic payload = {"target": items[0]["id"], "caller": outGoingCallData.callerId, "sdp": description.toMap()};
    invoke(invokeMethod: "OfferAsync", currentUserID: outGoingCallData.callerId!, targetUserID: items[0]["id"], data: jsonEncode(payload));
  }

  Future<void> onIceCandidateAsync(List<Object?>? params) async {
    dynamic items = params!.toList();
    if (isIncomingCall) {
      RemoteIceCandidatePayLoad data = RemoteIceCandidatePayLoad.fromJson(jsonDecode(items.first.toString()));
      if (_pc != null) {
        await _pc.addCandidate(RTCIceCandidate(data.candidate!.candidate, data.candidate!.sdpMid, data.candidate!.sdpMLineIndex));
      }
    } else {
      if (kDebugMode) {
        logger.i("res: " + items.toString());
      }
      RemoteIceCandidatePayLoad data = RemoteIceCandidatePayLoad.fromJson(jsonDecode(items.first.toString()));
      if (_pc != null) {
        await _pc.addCandidate(RTCIceCandidate(data.candidate!.candidate, data.candidate!.sdpMid, data.candidate!.sdpMLineIndex));
        if (!isCallStarted) {
          isCallStarted = true;
          notifyListeners();
          if (isCallStarted) {
            isIncomingCallLoader = false;
            isOutGoingCall = true;
            if (Platform.isIOS) {
              Future.delayed(Duration(seconds: 2), () {
                Navigator.pushReplacement(
                    providerContext,
                    MaterialPageRoute(
                      builder: (BuildContext context) => StartCallPage(),
                    ));
              });
            } else {
              Navigator.pushReplacement(
                  providerContext,
                  MaterialPageRoute(
                    builder: (BuildContext context) => StartCallPage(),
                  ));
            }
          }
        }
      }
      notifyListeners();
    }
  }

  Future<void> onOfferAsync(List<Object?>? params) async {
    dynamic items = params!.toList();
    var data = jsonDecode(items.toString());
    if (isIncomingCall) {
      _pc.setRemoteDescription(RTCSessionDescription(data[0]["sdp"]["sdp"], data[0]["sdp"]["type"]));
      RTCSessionDescription description = await _createAnswer();
      await _pc.setLocalDescription(description);
      dynamic payload = {"target": data[0]["caller"], "caller": AppState().chatDetails!.response!.id, "sdp": description.toMap()};
      invoke(invokeMethod: "AnswerOfferAsync", currentUserID: AppState().chatDetails!.response!.id!, targetUserID: incomingCallData.targetUserId!, data: jsonEncode(payload));
    }
    // else {
    // RTCSessionDescription description = await _createAnswer();
    // await _pc.setLocalDescription(description);
    // var payload = {"target": items[0]["id"], "caller": outGoingCallData.callerId, "sdp": description.toMap()};
    // invoke(invokeMethod: "AnswerOffer", currentUserID: outGoingCallData.callerId!, targetUserID: items[0]["id"], data: jsonEncode(payload));
    // }
    notifyListeners();
  }

  //////////////////////////// OutGoing Call End ///////////////////////////////////////

  Future<bool> endCall({required bool isUserOnline}) async {
    if (isIncomingCall) {
      logger.i("-----------------------Endeddddd By Me---------------------------");
      if (chatHubConnection!.state == HubConnectionState.Connected) {
        await invoke(invokeMethod: "HangUpAsync", currentUserID: AppState().chatDetails!.response!.id!, targetUserID: incomingCallData.targetUserId!, userStatus: 0);
        await invoke(invokeMethod: "UpdateUserStatusAsync", currentUserID: AppState().chatDetails!.response!.id!, targetUserID: incomingCallData.targetUserId!, userStatus: 1);
      }
      isCallStarted = false;
      isVideoCall = false;
      isCamOff = false;
      isMicOff = false;
      isLoudSpeaker = false;
      isIncomingCall = false;
      isOutGoingCall = false;
      isAudioCall = false;

      if (isCallConnected) {
        if (_pc.connectionState == RTCPeerConnectionState.RTCPeerConnectionStateConnected) {
          if (kDebugMode) {
            print("------------------ PC Stopped ----------------------------");
          }
          _pc.close();
          _pc.dispose();
        }
      }
      if (remoteRenderer != null) {
        remoteRenderer!.dispose();
        remoteRenderer = null;
      }
      if (localVideoRenderer != null) {
        localVideoRenderer!.dispose();
        localVideoRenderer = null;
      }

      if (_localStream != null) {
        _localStream!.dispose();
        _localStream = null;
      }
      if (chatHubConnection != null && !isUserOnline) {
        chatHubConnection!.stop();
      }
      if (Platform.isAndroid) await FlutterCallkitIncoming.endAllCalls();
      if (Platform.isIOS) await voIPKit.endCall();
      return true;
    } else {
      if (isOutGoingCall) {
        await invoke(invokeMethod: "HangUpAsync", currentUserID: outGoingCallData.callerId!, targetUserID: outGoingCallData.receiverId!, userStatus: 1);
        await invoke(invokeMethod: "UpdateUserStatusAsync", currentUserID: outGoingCallData.callerId!, targetUserID: outGoingCallData.receiverId!, userStatus: 1);
      } else if (isIncomingCall) {
        await invoke(invokeMethod: "UpdateUserStatusAsync", currentUserID: AppState().chatDetails!.response!.id!, targetUserID: incomingCallData.targetUserId!, userStatus: 1);
      }
      isCallStarted = false;
      isVideoCall = false;
      isCamOff = false;
      isMicOff = false;
      isLoudSpeaker = false;
      if (isCallConnected) {
        if (_pc.connectionState == RTCPeerConnectionState.RTCPeerConnectionStateConnected) {
          _pc.close();
          _pc.dispose();
        }
      }
      if (remoteRenderer != null) {
        remoteRenderer!.dispose();
        remoteRenderer = null;
      }
      if (localVideoRenderer != null) {
        localVideoRenderer!.dispose();
        localVideoRenderer = null;
      }

      if (_localStream != null) {
        _localStream!.dispose();
        _localStream = null;
      }
      isOutGoingCall = false;
      isIncomingCall = false;
      isAudioCall = false;
      return true;
    }
  }

  // Incoming Listeners

  void onAnswerOffer(List<Object?>? payload) async {
    // if (isIncomingCall) {
    //   // print("--------------------- On Answer Offer Async ---------------------------------------");
    //   //await invoke(invokeMethod: "InvokeMobile", currentUserID: AppState().getchatUserDetails!.response!.id!, targetUserID: incomingCallData.targetUserId!, debugData: {"On Answer Offer Async"});
    // } else {
    var items = payload!.toList();
    if (kDebugMode) {
      logger.i("res: " + items.toString());
    }
    CallSessionPayLoad data = CallSessionPayLoad.fromJson(jsonDecode(items.first.toString()));
    RTCSessionDescription description = RTCSessionDescription(data.sdp!.sdp, 'answer');
    _pc.setRemoteDescription(description);
    // }
  }

  Future<void> onHangUpAsync(List<Object?>? params) async {
    print("--------------------- onHangUp ASYNC ---------------------------------");

    dynamic items = params!.toList();
    if (items[0]["id"] != AppState().chatDetails!.response!.id) {
      if (Platform.isIOS) await voIPKit.endCall();
      if (Platform.isAndroid) await FlutterCallkitIncoming.endAllCalls();
      if (isIncomingCall) {
        endCall(isUserOnline: isUserOnline).then((bool value) {
          if (isCallConnected && isUserOnline) {
            isCallConnected = false;
            if (!AppState().isLogged) {
              Navigator.of(AppRoutes.navigatorKey.currentContext!).canPop();
            } else {
              Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.dashboard));
            }
          } else {
            Navigator.of(AppRoutes.navigatorKey.currentContext!).canPop();
          }
        });
      } else {
        if (isOutGoingCall) {
          endCall(isUserOnline: isUserOnline).then((bool value) {
            if (isCallConnected && isUserOnline) {
              isCallConnected = false;
              Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.dashboard));
            } else {
              // Navigator.of(AppRoutes.navigatorKey.currentContext!).canPop();
              Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.dashboard));
            }
          });
        }
      }
    } else {
      if (kDebugMode) {
        print("Call Ended By Me");
      }
      if (isOutGoingCall) {
        // if (!isCallConnected) {
        //   if (_timer!.isActive && _start == 5) {
        //     _timer!.cancel();
        //     _start = 25;
        //     Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.chatDetailed));
        //     endCall(isUserOnline: isUserOnline);
        //     return Utils.showToast("${items[0]["userName"]}" + " has declined call", longDuration: true);
        //   }
        // }
        if (isCallConnected && isUserOnline) {
          isCallConnected = false;
          Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.chatDetailed));
        } else {
          Navigator.of(AppRoutes.navigatorKey.currentContext!).canPop();
        }
      }
    }
    // endCall(isUserOnline: isUserOnline).then((bool value) {
    //   if (isCallConnected && isUserOnline) {
    //     Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.chatDetailed));
    //     isCallConnected = false;
    //   }
    //   if (items[0]["id"] != AppState().chatDetails!.response!.id && !AppState().isBackgroundCall) {
    //     if (kDebugMode) {
    //       print("Popped Due to Another User");
    //     }
    //     if (AppState().isBackgroundCall) {
    //       Navigator.of(AppRoutes.navigatorKey.currentContext!).pop();
    //       // Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.login));
    //     } else {
    //       Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.chat));
    //     }
    //   }
    //   if (AppState().isBackgroundCall) {
    //     Navigator.of(AppRoutes.navigatorKey.currentContext!).pop();
    //   }
    //
    notifyListeners();
    isCallEnded = true;
    // });
  }

  //Outgoing Timer for Decline Call

  Timer? _timer;
  int _start = 25;

  void startTimer() {
    Duration oneSec = const Duration(seconds: 1);
    _timer = Timer.periodic(
      oneSec,
      (Timer timer) {
        if (_start == 0) {
          timer.cancel();
        } else {
          print(_start);
          _start--;
          if (isOutGoingCall) {
            if (!isCallConnected) {
              if (_timer!.isActive && _start == 5) {
                _timer!.cancel();
                _start = 25;
                Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.chatDetailed));
                endCall(isUserOnline: isUserOnline);
                return Utils.showToast("${outGoingCallData.receiverName}" + " has declined call", longDuration: true);
              }
            } else {
              if (isCallConnected) {
                _timer!.cancel();
                _start = 25;
              }
            }
            notifyListeners();
          }
        }
      },
    );
  }

  // Future<void> OnIncomingCallAsync(List<Object?>? params) async {
  //   print("--------------------- On Incoming Call ---------------------------------------");
  //   dynamic items = params!.toList();
  //   logger.d(items);
  //   // Map<String, dynamic> json = {
  //   //   "callerID": items[0]["id"],
  //   //   "callerName": items[0]["userName"],
  //   //   "callerEmail": items[0]["email"],
  //   //   "callerTitle": items[0]["title"],
  //   //   "callerPhone": null,
  //   //   "receiverID": AppState().chatDetails!.response!.id,
  //   //   "receiverName": AppState().chatDetails!.response!.userName,
  //   //   "receiverEmail": AppState().chatDetails!.response!.email,
  //   //   "receiverTitle": AppState().chatDetails!.response!.title,
  //   //   "receiverPhone": AppState().chatDetails!.response!.phone,
  //   //   "title": AppState().chatDetails!.response!.userName!.replaceAll(".", " "),
  //   //   "callType": items[1] ? "Video" : "Audio",
  //   // };
  //   // CallDataModel callData = CallDataModel.fromJson(json);
  //   // ChatVoipCall().showCallkitIncoming(uuid: const Uuid().v4(), isOnline: true, incomingCallData: callData);
  //   //
  //   // if (!isOnIncomingCallPage) {
  //   //   Map<String, dynamic> json = {
  //   //     "callerID": items[0]["id"],
  //   //     "callerName": items[0]["userName"],
  //   //     "callerEmail": items[0]["email"],
  //   //     "callerTitle": items[0]["title"],
  //   //     "callerPhone": null,
  //   //     "receiverID": AppState().chatDetails!.response!.id,
  //   //     "receiverName": AppState().chatDetails!.response!.userName,
  //   //     "receiverEmail": AppState().chatDetails!.response!.email,
  //   //     "receiverTitle": AppState().chatDetails!.response!.title,
  //   //     "receiverPhone": AppState().chatDetails!.response!.phone,
  //   //     "title": AppState().chatDetails!.response!.userName!.replaceAll(".", " "),
  //   //     "callType": items[1] ? "Video" : "Audio",
  //   //   };
  //   //   CallDataModel callData = CallDataModel.fromJson(json);
  //   //   await Navigator.push(
  //   //     providerContext,
  //   //     MaterialPageRoute(
  //   //       builder: (BuildContext context) => IncomingCall(
  //   //         isVideoCall: items[1] ? true : false,
  //   //         outGoingCallData: callData,
  //   //       ),
  //   //     ),
  //   //   );
  //   //   isOnIncomingCallPage = true;
  //   // }
  // }

  Future<void> onCallDeclinedAsync(List<Object?>? params) async {
    print("================= On Declined ========================");
    dynamic items = params!.toList();
    if (isOutGoingCall) {
      Navigator.of(AppRoutes.navigatorKey.currentContext!).popUntil(ModalRoute.withName(AppRoutes.chatDetailed));
      bool val = await endCall(isUserOnline: isUserOnline);
      if (Platform.isIOS) await voIPKit.endCall();
      if (Platform.isAndroid) await FlutterCallkitIncoming.endAllCalls();
      return Utils.showToast("${items[1]["userName"]}" + " has declined call", longDuration: true);
    }
  }

  //// Invoke Methods

  Future<void> invoke({required String invokeMethod, required int currentUserID, required int targetUserID, var data, int userStatus = 1, var debugData}) async {
    List<Object> args = [];
    if (invokeMethod == "CallUserAsync") {
      args = [currentUserID, targetUserID, isVideoCall];
    } else if (invokeMethod == "answerCallAsync") {
      args = [currentUserID, targetUserID];
    } else if (invokeMethod == "IceCandidateAsync") {
      args = [targetUserID, data];
    } else if (invokeMethod == "OfferAsync") {
      args = [targetUserID, data];
    } else if (invokeMethod == "AnswerOfferAsync") {
      args = [targetUserID, data];
      // json In Data
    } else if (invokeMethod == "UpdateUserStatusAsync") {
      args = [currentUserID, userStatus];
    } else if (invokeMethod == "HangUpAsync") {
      args = [currentUserID, targetUserID];
    } else if (invokeMethod == "InvokeMobile") {
      args = [debugData];
    }
    try {
      await chatHubConnection!.invoke("$invokeMethod", args: args);
    } catch (e) {
      logger.w(e);
    }
  }

  void stopListeners() async {
    chatHubConnection!.off('OnCallDeclinedAsync');
    chatHubConnection!.off('OnCallAcceptedAsync');
    chatHubConnection!.off('OnIceCandidateAsync');
    chatHubConnection!.off('OnAnswerOffer');
  }

  void playRingtone() async {
    player.stop();
    await player.setVolume(1.0);
    String audioAsset = "";
    if (Platform.isAndroid) {
      audioAsset = "assets/audio/ring_60Sec.mp3";
    } else {
      audioAsset = "assets/audio/ring_30Sec.caf";
    }
    try {
      await player.setAsset(audioAsset);
      await player.load();
      player.play();
    } catch (e) {
      print("Error: $e");
    }
  }

  //////////////////// Web RTC Offers & Connections ////////////////////////

  Future<RTCPeerConnection> creatOfferWithCon() async {
    Map<String, dynamic> configuration = {
      "sdpSemantics": "plan-b",
      'iceServers': [
        {
          'urls': 'stun:15.185.116.59:3478',
        },
        {
          'urls': 'turn:15.185.116.59:3479',
          'username': 'admin',
          'credential': 'admin',
        },
      ]
    };
    Map<String, dynamic> offerSdpConstraints = {
      'mandatory': {
        'OfferToReceiveAudio': true,
        'OfferToReceiveVideo': true,
      },
      'optional': []
    };
    RTCPeerConnection pc = await createPeerConnection(configuration, offerSdpConstraints);
    // await pc.addStream(_localStream!);
    //Changed By Aamir
    _localStream?.getTracks().forEach((track) {
      pc.addTrack(track, _localStream!);
    });
    pc.onConnectionState = (RTCPeerConnectionState state) {};
    pc.onAddStream = (MediaStream stream) {
      remoteRenderer!.srcObject = stream;
      notifyListeners();
    };
    pc.onIceCandidate = (RTCIceCandidate e) async {
      if (isIncomingCall) {
        if (e.candidate != null) {
          var payload = {"target": incomingCallData.targetUserId, "candidate": e.toMap()};
          invoke(invokeMethod: "IceCandidateAsync", currentUserID: AppState().chatDetails!.response!.id!, targetUserID: incomingCallData.targetUserId!, data: jsonEncode(payload));
          notifyListeners();
        }
      } else {
        if (e.candidate != null) {
          var payload = {"target": outGoingCallData.callerId, "candidate": e.toMap()};
          invoke(invokeMethod: "IceCandidateAsync", currentUserID: outGoingCallData.callerId!, targetUserID: outGoingCallData.receiverId!, data: jsonEncode(payload));
        }
      }
    };
    // pc!.onTrack = (RTCTrackEvent event) async {
    //
    //   String streamId = const Uuid().toString();
    //   MediaStream remoteStream = await createLocalMediaStream(streamId);
    //   event.streams[0].getTracks().forEach((MediaStreamTrack element) {
    //     logger.i("Stream Track: " + element.id.toString());
    //    // remoteRenderer.srcObject = element;
    //     remoteStream.addTrack(element);
    //   });
    // };
    pc.onSignalingState = (RTCSignalingState state) {
      logger.i("signaling state: " + state.name);
      // invoke(
      //     invokeMethod: "InvokeMobile",
      //     currentUserID: AppState().getchatUserDetails!.response!.id!,
      //     targetUserID: incomingCallData.targetUserId!,
      //     debugData: {"location": "Signaling", "parms": state.name});
    };
    pc.onIceGatheringState = (RTCIceGatheringState state) {
      logger.i("rtc ice gathering state: " + state.name);
    };
    pc.onIceConnectionState = (RTCIceConnectionState state) {
      if (RTCIceConnectionState.RTCIceConnectionStateFailed == state ||
          RTCIceConnectionState.RTCIceConnectionStateDisconnected == state ||
          RTCIceConnectionState.RTCIceConnectionStateClosed == state) {
        logger.i("Ice Connection State:" + state.name);

        // endCall().then((value) {
        //   notifyListeners();
        // });
      }
    };
    //  pc!.onRenegotiationNeeded = _onRenegotiate;
    return pc;
  }

  // void _onRenegotiate() async {
  //   try {
  //     print('onRenegotiationNeeded start');
  //     //  makingOffer = true;
  //     await _pc.setLocalDescription(await _pc.createOffer(videoConstraints));
  //     print('onRenegotiationNeeded state after setLocalDescription: ' + _pc.signalingState.toString());
  //     // send offer via callManager
  //     var localDesc = await _pc.getLocalDescription();
  //     // callManager.sendCallMessage(MsgType.rtc_offer, RtcOfferAnswer(localDesc.sdp, localDesc.type));
  //     print('onRenegotiationNeeded; offer sent');
  //   } catch (e) {
  //     print("onRenegotiationNeeded error: " + e.toString());
  //   } finally {
  //     //   makingOffer = false;
  //     print('onRenegotiationNeeded done');
  //   }
  // }

  Future<RTCSessionDescription> _createOffer() async {
    RTCSessionDescription description = await _pc.createOffer();
    // _offer = true;
    return description;
  }

  Future<RTCSessionDescription> _createAnswer() async {
    RTCSessionDescription description = await _pc!.createAnswer();
    //  _offer = false;
    return description;
  }

  //////////////////// Web RTC End Offers ////////////////////

  //////////////////// CallPage Buttons //////////////////////

  void micOff() {
    isMicOff = !isMicOff;
    _localStream!.getAudioTracks().forEach((track) {
      track.enabled = !track.enabled;
    });
    notifyListeners();
  }

  void camOff() {
    isCamOff = !isCamOff;
    _localStream!.getVideoTracks().forEach((track) {
      track.enabled = !track.enabled;
    });
    // if (isCamOff) {
    //   isVideoCall = false;
    // } else {
    //   isVideoCall = true;
    // }
    notifyListeners();
  }

  void loudOn() {
    isLoudSpeaker = !isLoudSpeaker;
    remoteRenderer!.srcObject?.getAudioTracks().forEach((track) {
      if (isLoudSpeaker) {
        track.enableSpeakerphone(true);
      } else {
        track.enableSpeakerphone(false);
      }
    });
    notifyListeners();
  }

  void switchCamera() {
    isFrontCamera = !isFrontCamera;
    Helper.switchCamera(_localStream!.getVideoTracks()[0]);
    notifyListeners();
  }

  ///////////////// Incoming Call ///////////////////////////////

  Future<void> initStreams() async {
    List<MediaDeviceInfo> devices = await navigator.mediaDevices.enumerateDevices();
    remoteRenderer = RTCVideoRenderer();
    localVideoRenderer ??= RTCVideoRenderer();
    await localVideoRenderer!.initialize();
    try {
      _localStream = await navigator.mediaDevices.getUserMedia({
        'audio': true,
        'video': isVideoCall
            ? {
                'mandatory': {
                  'minWidth': '640', // Provide your own width, height and frame rate here
                  'minHeight': '480',
                  'minFrameRate': '30',
                },
                'facingMode': 'user',
                'optional': [],
              }
            : false
      });
      if (kDebugMode) {
        print(_localStream..toString());
      }
      localVideoRenderer!.srcObject = _localStream;
      localVideoRenderer!.value = (const RTCVideoValue(width: 200, height: 200, renderVideo: true));
      print("Working localStream");
    } catch (e) {
      print("Failed to get user media: $e");
    }
    // _localStream = await navigator.mediaDevices.getUserMedia(isVideoCall
    //     ? Platform.isIOS
    //         ? {
    //             'audio': true,
    //             'video': {
    //               'facingMode': 'user', // Use 'user' for front camera, 'environment' for back camera
    //               'width': {
    //                 'ideal': 1080, // Set the ideal width (maximum quality)
    //               },
    //               'height': {
    //                 'ideal': 1920, // Set the ideal height (maximum quality)
    //               },
    //               'frameRate': {
    //                 'ideal': 30, // Set the ideal frame rate (adjust as needed)
    //               },
    //             },
    //           }
    //         : {
    //             'audio': true,
    //             'video': {
    //               'facingMode': 'user', // Use 'user' for front camera, 'environment' for back camera
    //               'width': {
    //                 'ideal': 1920, // Set the ideal width (maximum quality)
    //               },
    //               'height': {
    //                 'ideal': 1080, // Set the ideal height (maximum quality)
    //               },
    //               'frameRate': {
    //                 'ideal': 30, // Set the ideal frame rate (adjust as needed)
    //               },
    //             },
    //           }
    //
    //     // ? {
    //     //     "video": {
    //     //       "mandatory": {
    //     //         "width": {"min": 1080},
    //     //         "height": {"min": 1920}
    //     //       },
    //     //       "optional": Platform.isAndroid
    //     //           ? [
    //     //               {'sourceId': devices[1].deviceId},
    //     //               {
    //     //                 "width": {"max": 1080}
    //     //               },
    //     //               {"frameRate": 30},
    //     //               {"facingMode": "user"}
    //     //             ]
    //     //           : [
    //     //               {"frameRate": 30},
    //     //               {"facingMode": "user"}
    //     //             ]
    //     //     },
    //     //     "frameRate": 30,
    //     //     "width": 1080, //420,//640,//1280,
    //     //     "height": 1920, //240//480//720
    //     //     "audio": true,
    //     //   }
    //     : audioConstraints);

    // localVideoRenderer.srcObject = _localStream;
    await remoteRenderer!.initialize();
    notifyListeners();
  }

  Future<void> startIncomingCallViaKit({bool isVCall = true, required var inCallData}) async {
    Utils.saveStringFromPrefs("isIncomingCall", "false");
    if (isVCall) {
      isVideoCall = isVCall;
    } else {
      isAudioCall = true;
    }
    await initStreams();
    isIncomingCall = true;
    incomingCallData = SingleUserChatModel.fromJson(inCallData);
    loudOn();
    // notifyListeners();
  }

  void connectIncomingCall() {
    invoke(invokeMethod: "answerCallAsync", currentUserID: AppState().getchatUserDetails!.response!.id!, targetUserID: incomingCallData.targetUserId!);
    isIncomingCallLoader = false;
    isIncomingCall = true;
    // isVideoCall = true;

    notifyListeners();
  }

  MediaRecorder? mobileRecoder;

// void startRecording() async {
//   print("=-=-=-=-=-=-= Call Recoding Started -=-=-=-=-=-=-=-=-==-=");
//   if (_localStream == null) throw Exception('Stream is not initialized');
//   if (Platform.isIOS) {
//     print('Recording is not available on iOS');
//     return;
//   }
//   Directory appDirectory = await getApplicationDocumentsDirectory();
//   String dirPath = '${appDirectory.path}/webrtc_sample';
//   if (!await Directory(dirPath).exists()) {
//     await Directory(dirPath).create();
//     await File('$dirPath/.nomedia').create();
//   }
//   if (appDirectory == null) throw Exception('Can\'t find storagePath');
//   String filePath = dirPath + '/mobile.mp4';
//   mobileRecoder = MediaRecorder();
//   notifyListeners();
//   MediaStreamTrack videoTrack = _localStream!.getVideoTracks().firstWhere((track) => track.kind == 'video');
//   await mobileRecoder!.start(filePath, videoTrack: videoTrack);
//
//   Future.delayed(Duration(minutes: 1), () {
//     stopRecording();
//   });
// }
//
// void stopRecording() async {
//   print("=-=-=-=-=-=-= Call Recoding Stopped -=-=-=-=-=-=-=-=-==-=");
//   await mobileRecoder!.stop();
//   mobileRecoder = null;
//   notifyListeners();
// }
}