car_common_app/lib/view_models/chat_view_model.dart

// ignore_for_file: use_build_context_synchronously

import 'dart:convert';
import 'dart:developer';
import 'dart:io';

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/cupertino.dart';
import 'package:mc_common_app/classes/app_state.dart';
import 'package:mc_common_app/classes/consts.dart';
import 'package:mc_common_app/extensions/string_extensions.dart';
import 'package:mc_common_app/generated/locale_keys.g.dart';
import 'package:mc_common_app/main.dart';
import 'package:mc_common_app/models/chat_models/chat_message_model.dart';
import 'package:mc_common_app/models/general_models/generic_resp_model.dart';
import 'package:mc_common_app/models/requests_models/provider_offers_model.dart';
import 'package:mc_common_app/repositories/chat_repo.dart';
import 'package:mc_common_app/repositories/request_repo.dart';
import 'package:mc_common_app/services/common_services.dart';
import 'package:mc_common_app/utils/enums.dart';
import 'package:mc_common_app/utils/utils.dart';
import 'package:mc_common_app/view_models/ad_view_model.dart';
import 'package:mc_common_app/view_models/base_view_model.dart';
import 'package:mc_common_app/view_models/requests_view_model.dart';
import 'package:provider/provider.dart';
import 'package:signalr_core/signalr_core.dart';

class ChatVM extends BaseVM {
  final ChatRepo chatRepo;
  final RequestRepo requestRepo;
  final CommonAppServices commonServices;

  ChatVM({required this.chatRepo, required this.requestRepo, required this.commonServices});

  HubConnection? hubConnection;

  String chatMessageText = "";

  updateChatMessageText(String value) {
    chatMessageText = value;
  }

  clearChatMessageText() {
    chatMessageText = "";
    notifyListeners();
  }

  int latestOfferId = 0;

  updateLatestOfferId(var value) {
    latestOfferId = value;
    notifyListeners();
  }

  bool acknowledgePaymentToMowaterStatus = false;

  updateAcknowledgePaymentToMowaterStatus(var value) {
    acknowledgePaymentToMowaterStatus = value;
    notifyListeners();
  }

  bool isUserOnChatScreen = false;

  final ScrollController scrollController = ScrollController();

  void scrollChatDown() {
    if (!isUserOnChatScreen) {
      return;
    }
    if (scrollController.hasClients) {
      scrollController.animateTo(
        scrollController.position.maxScrollExtent + 200, // for the text field
        duration: const Duration(seconds: 1),
        curve: Curves.fastOutSlowIn,
      );
    }
  }

  List<OfferRequestCommentModel> dealOptionsModelList = [
    OfferRequestCommentModel(
      index: 0,
      isSelected: false,
      title: LocaleKeys.dealCompleted.tr(),
    ),
    OfferRequestCommentModel(
      index: 1,
      isSelected: false,
      title: LocaleKeys.theDealNotCompleted.tr(),
    ),
  ];

  updateIsSelectedInDealOptionsModelList(int index, bool value) {
    for (var element in dealOptionsModelList) {
      element.isSelected = false;
    }
    dealOptionsModelList[index].isSelected = true;
    notifyListeners();
  }

  List<int> indexesForCancelSpecialCarOffer = [0, 1, 6, 10];
  List<int> indexesForCancelSparePartOffer = [2, 10];
  List<int> indexesForRejectOffer = [3, 4, 10];
  List<int> indexesForDealNotCompleted = [7, 4, 8, 9, 10];

  List<OfferRequestCommentModel> offerRejectModelList = [
    OfferRequestCommentModel(
      index: 0,
      isSelected: true,
      title: LocaleKeys.dealOutsideApp.tr(),
    ),
    OfferRequestCommentModel(
      index: 1,
      isSelected: false,
      title: LocaleKeys.noAgreementCustomer.tr(),
    ),
    OfferRequestCommentModel(
      index: 2,
      isSelected: false,
      title: LocaleKeys.itemNoLongerAvailable.tr(),
    ),
    OfferRequestCommentModel(
      index: 3,
      isSelected: true,
      title: LocaleKeys.changedMind.tr(),
    ),
    OfferRequestCommentModel(
      index: 4,
      isSelected: false,
      title: LocaleKeys.veryHighPrice.tr(),
    ),
    OfferRequestCommentModel(
      index: 5,
      isSelected: false,
      title: LocaleKeys.alreadySold.tr(),
    ),
    OfferRequestCommentModel(
      index: 6,
      isSelected: false,
      title: LocaleKeys.customerNotResponding.tr(),
    ),
    OfferRequestCommentModel(
      index: 7,
      isSelected: false,
      title: LocaleKeys.cancelRequest.tr(),
    ),
    OfferRequestCommentModel(
      index: 8,
      isSelected: false,
      title: LocaleKeys.offerNotMatched.tr(),
    ),
    OfferRequestCommentModel(
      index: 9,
      isSelected: false,
      title: LocaleKeys.testTheService.tr(),
    ),
    OfferRequestCommentModel(
      index: 10,
      isSelected: false,
      title: LocaleKeys.otherVar.tr(),
    ),
  ];

  void updateSelectionInOfferRejectModelList(int index) {
    for (var value in offerRejectModelList) {
      value.isSelected = false;
    }
    selectedOfferRequestCommentModel = offerRejectModelList[index];
    offerRejectModelList[index].isSelected = true;
    notifyListeners();
  }

  OfferRequestCommentModel selectedOfferRequestCommentModel = OfferRequestCommentModel(
    index: 0,
    isSelected: true,
    title: LocaleKeys.changedMind.tr(),
  );

  String rejectOfferDescription = "";
  String rejectOfferDescriptionError = "";

  void updateRejectOfferDescription(String value) {
    rejectOfferDescription = value;
    if (value.isNotEmpty) {
      rejectOfferDescriptionError = "";
    }
  }

  //REJECTING OFFER
  bool isRejectOfferButtonValidated() {
    if (selectedOfferRequestCommentModel.index != offerRejectModelList.length - 1) {
      return true;
    }
    bool isValidated = true;
    if (rejectOfferDescription.isEmpty) {
      rejectOfferDescriptionError = GlobalConsts.descriptionError;
      isValidated = false;
    } else {
      rejectOfferDescriptionError = "";
    }

    notifyListeners();

    return isValidated;
  }

  Future<void> onNewMessageReceivedForRequestOffer({required List<ChatMessageModel> messages, bool isMyOwnOffer = false, required RequestsVM requestsVM}) async {
    if (AppState().currentAppType == AppType.customer) {
      for (var currentMessage in messages) {
        logger.i(currentMessage);

        int providerIndex = serviceProviderOffersList.indexWhere((element) => element.providerUserId == currentMessage.senderUserID);
        if (providerIndex != -1) {
          if (currentMessage.chatMessageTypeEnum == ChatMessageTypeEnum.offer) {
            for (var chatMessage in serviceProviderOffersList[providerIndex].chatMessages!) {
              if (chatMessage.chatMessageTypeEnum == ChatMessageTypeEnum.offer && chatMessage.reqOffer!.id == currentMessage.reqOffer!.id) {
                chatMessage.reqOffer!.requestOfferStatusEnum = currentMessage.reqOffer!.requestOfferStatusEnum;
              }
            }
          }
          serviceProviderOffersList[providerIndex].chatMessages!.add(currentMessage);
          scrollChatDown();
        }
      }
    } else {
      for (var currentMessage in messages) {
        logger.i(currentMessage);
        // Where we need to call this function for saving a message in chat we will use receiverUserID and in those cases where received ID is null , it means it is a signal R call
        int requestIndex = -1;
        if (isMyOwnOffer) {
          requestIndex = requestsVM.myFilteredRequests.indexWhere((element) => (element.customerUserID == currentMessage.receiverUserID && element.id == currentMessage.requestID));
        } else {
          requestIndex = requestsVM.myFilteredRequests.indexWhere((element) => (element.customerUserID == currentMessage.senderUserID && element.id == currentMessage.requestID));
        }
        log("requestIndex: $requestIndex");
        if (requestIndex != -1) {
          if (currentMessage.chatMessageTypeEnum == ChatMessageTypeEnum.offer) {
            for (var chatMessage in requestsVM.myFilteredRequests[requestIndex].chatMessages) {
              if (chatMessage.chatMessageTypeEnum == ChatMessageTypeEnum.offer && chatMessage.reqOffer!.id == currentMessage.reqOffer!.id) {
                logger.i("chatMessage reqOfferID: ${chatMessage.reqOffer!.id.toString()}");
                logger.i("currentMessage reqOfferID: ${currentMessage.reqOffer!.id.toString()}");
                chatMessage.reqOffer!.requestOfferStatusEnum = currentMessage.reqOffer!.requestOfferStatusEnum;
              }
            }
          }
          requestsVM.addChatMessagesInRequestsModel(msg: currentMessage, index: requestIndex);
          scrollChatDown();
        }
      }
    }
    notifyListeners();
  }

  void _subscribeToReceiveRequestOfferMessages(BuildContext context) {
    hubConnection!.on(SignalrConsts.receiveMessageRequestOffer, (List<Object?>? arguments) {
      logger.i(arguments);

      if (arguments == null || arguments.isEmpty) return;
      List<ChatMessageModel> chat = [];
      for (var message in arguments) {
        final chatMessage = ChatMessageModel.fromJson(message as Map<String, dynamic>, isForReqOfferImagesURLs: true);
        chat.add(chatMessage);
      }
      onNewMessageReceivedForRequestOffer(messages: chat, requestsVM: context.read<RequestsVM>());
      // Utils.showToast(arguments.toString());
    });
  }

  Future<bool> markMessagesAsRead(BuildContext context, List<int> messageIds, ChatTypeEnum chatTypeEnum) async {
    bool status = false;
    try {
      // Utils.showLoading(context);
      status = await chatRepo.markMessageAsRead(messageIds: messageIds, chatTypeEnum: chatTypeEnum);
      // Utils.hideLoading(context);
    } catch (e) {
      logger.i(e.toString());
      Utils.showToast(e.toString());
      // Utils.hideLoading(context);
      status = false;
    }
    return status;
  }

  int _retryCount = 0;
  final int _maxRetries = 5; // Maximum number of retries
  bool _isReconnecting = false;

  Future<void> _reconnectWithBackoff(BuildContext context) async {
    if (_retryCount >= _maxRetries) {
      logger.e("Maximum retry attempts reached. Stopping reconnection.");
      return;
    }

    final delay = Duration(seconds: 2 * (_retryCount + 1)); // Exponential backoff
    logger.i("Retrying connection in ${delay.inSeconds} seconds...");
    await Future.delayed(delay);

    _retryCount++;
    await buildHubConnection(context); // Try reconnecting
  }

  Future<void> buildHubConnection(BuildContext context) async {
    if (hubConnection == null || hubConnection!.state != HubConnectionState.connected) {
      if (_isReconnecting) {
        logger.i("Reconnection already in progress");
        return;
      }

      if (_isReconnecting) {
        logger.i("Reconnection already in progress");
        return;
      }

      try {
        _isReconnecting = true;

        hubConnection = await chatRepo.getHubConnection();
        await hubConnection!.start();

        // Reset retry count on successful connection
        _retryCount = 0;
        _isReconnecting = false;

        // Subscribe to messages
        _subscribeToReceiveRequestOfferMessages(context);
        _subscribeToReceiveAdMessages(context);
        _subscribeToReceiveGeneralMessages(context);

        // Configure handlers
        hubConnection!.onclose((exception) async {
          logger.i("onClose: ${exception.toString()}");
          await _reconnectWithBackoff(context);
        });

        hubConnection!.onreconnecting((exception) {
          logger.i("onReconnecting: ${exception?.toString()}");
        });

        hubConnection!.onreconnected((connectionId) {
          logger.i("onReconnected: ${connectionId.toString()}");
        });
      } catch (e) {
        logger.e("Error during hub connection setup: ${e.toString()}");
        _isReconnecting = false; // Reset on failure
      }

      notifyListeners();
    } else {
      logger.i("Hub Already Connected: ${hubConnection!.connectionId.toString()}");
    }
  }

  Future<void> closeHubConnection() async {
    if (hubConnection != null && hubConnection!.state == HubConnectionState.connected) {
      hubConnection!.stop();
    }
  }

  Future<bool> onOfferSendForRequest({
    required String receiverId,
    required ChatMessageTypeEnum chatMessageType,
    required String message,
    required int requestId,
    required String offerPrice,
    required bool isDeliveryAvailable,
    required RequestDeliveryOptionEnum offerDeliveryOption,
    required String serviceItemName,
    required String manufacturedByName,
    required String manufacturedOn,
    required List<dynamic> offerImages,
    required BuildContext context,
  }) async {
    if (hubConnection == null || hubConnection!.state != HubConnectionState.connected) {
      logger.i("Hub Not Connected!!");
      await buildHubConnection(context);
    }

    if (hubConnection!.state == HubConnectionState.connected) {
      final providerId = AppState().getUser.data!.userInfo!.providerId;
      final obj = <String, dynamic>{
        "ReceiverUserID": receiverId,
        "MessageType": chatMessageType.getIdFromChatMessageTypeEnum(),
        "ChatText": message,
        "RequestID": requestId,
        "ReqOfferID": 0,
        "ReqOffer": <String, dynamic>{
          "RequestID": requestId,
          "Price": double.parse(offerPrice),
          "IsDeliveryAvailable": isDeliveryAvailable,
          "OfferDeliveryOption": offerDeliveryOption.getIdRequestDeliveryOptionEnum(),
          "ServiceItem": serviceItemName,
          "ReqOfferImages": offerImages,
          "OfferedItemCreatedByName": manufacturedByName,
          // "OfferedItemCreatedOn": manufacturedOn, // TODO: This should be in String on Server, Right now it is in DateTime
          "ServiceProviderID": providerId,
          "OfferStatus": RequestOfferStatusEnum.offer.getIdFromRequestOfferStatusEnum(),
          "Comment": message,
        },
      };
      logger.i(obj);

      hubConnection!.invoke(
        SignalrConsts.sendMessageRequestOffer,
        args: <Object>[obj],
      ).catchError((e) {
        logger.i("error in invoking SendMessageRequestOffer: ${e.toString()}");
        Utils.showToast(e.toString());
        return false;
      });
    }

    return true;
  }

  MessageImageModel convertFileToMessageImageModel({required File file}) {
    List<int> imageBytes = file.readAsBytesSync();
    String image = base64Encode(imageBytes);
    MessageImageModel vehiclePostingImages = MessageImageModel(imageStr: image, id: 0, isFromNetwork: false, reqOfferID: latestOfferId, imagePath: file.path);
    return vehiclePostingImages;
  }

  List<MessageImageModel> getMessagesImageList() {
    List<MessageImageModel> requestImages = [];
    for (var image in pickedImagesForMessage) {
      var value = convertFileToMessageImageModel(file: File(image.filePath!));
      requestImages.add(value);
    }
    return requestImages;
  }

  List<ImageModel> pickedImagesForMessage = [];

  void removeImageFromList(String filePath) {
    int index = pickedImagesForMessage.indexWhere((element) => element.filePath == filePath);
    if (index == -1) {
      return;
    }
    pickedImagesForMessage.removeAt(index);
    notifyListeners();
  }

  void pickMultipleImages() async {
    List<ImageModel> imageModels = [];
    List<File> images = await commonServices.pickMultipleImages();
    for (var element in images) {
      imageModels.add(ImageModel(filePath: element.path, isFromNetwork: false));
    }
    pickedImagesForMessage.addAll(imageModels);
    if (pickedImagesForMessage.length > GlobalConsts.maxFileCount) {
      pickedImagesForMessage = pickedImagesForMessage.sublist(0, GlobalConsts.maxFileCount);
      Utils.showToast(LocaleKeys.maxFileSelection);
    }

    notifyListeners();
  }

  void clearPickedImagesForMessage() {
    pickedImagesForMessage.clear();
    notifyListeners();
  }

  Future<bool> onMessageSendForRequest({
    required String receiverId,
    required ChatMessageTypeEnum chatMessageType,
    required String message,
    required int requestId,
    required BuildContext context,
  }) async {
    if (chatMessageType == ChatMessageTypeEnum.freeText && message.isEmpty) return false;

    if (hubConnection == null || hubConnection!.state != HubConnectionState.connected) {
      logger.i("Hub Not Connected!!");
      await buildHubConnection(context);
    }
    if (hubConnection!.state == HubConnectionState.connected) {
      final userId = AppState().getUser.data!.userInfo!.userId.toString();
      final name = AppState().getUser.data!.userInfo!.firstName.toString();
      List<Map<String, dynamic>> requestImagesMap = [];
      List<MessageImageModel> messageImages = getMessagesImageList();
      if (messageImages.isNotEmpty && chatMessageType == ChatMessageTypeEnum.image) {
        for (var element in messageImages) {
          requestImagesMap.add(element.toJson());
        }
      }
      final obj = <String, dynamic>{
        "ReceiverUserID": receiverId,
        "SenderUserID": userId,
        "MessageType": chatMessageType.getIdFromChatMessageTypeEnum(),
        "ChatText": chatMessageType == ChatMessageTypeEnum.image ? "${messageImages.length} Image(s)" : message,
        "RequestID": requestId,
        "ReqOfferID": latestOfferId,
      };

      if (chatMessageType == ChatMessageTypeEnum.image) {
        obj.addAll({"ReqOfferImages": requestImagesMap});
      }
      logger.i(obj);

      hubConnection!.invoke(
        SignalrConsts.sendMessageRequestOffer,
        args: <Object>[obj],
      ).catchError((e) {
        logger.i("error in invoking SendMessage: ${e.toString()}");
        Utils.showToast(e.toString());
        return false;
      });

      ChatMessageModel chatMessageModel = ChatMessageModel(
        messageType: chatMessageType.getIdFromChatMessageTypeEnum(),
        chatText: message,
        isMyMessage: true,
        requestID: requestId,
        senderName: name,
        senderUserID: userId,
        chatMessageTypeEnum: chatMessageType,
        receiverUserID: receiverId,
        messageImages: messageImages,
      );

      if (AppState().currentAppType == AppType.customer) {
        int providerIndex = serviceProviderOffersList.indexWhere((element) => element.providerUserId == receiverId);
        if (providerIndex != -1) {
          serviceProviderOffersList[providerIndex].chatMessages!.add(chatMessageModel);
        }
      } else {
        int providerIndex = context.read<RequestsVM>().myFilteredRequests.indexWhere((element) => (element.customerUserID == receiverId && element.id == requestId));
        log("providerIndex2:$providerIndex");
        if (providerIndex != -1) {
          context.read<RequestsVM>().addChatMessagesInRequestsModel(msg: chatMessageModel, index: providerIndex);
        }
      }
      return true;
    }
    return false;
  }

  List<ServiceProvidersOffers> serviceProviderOffersList = [];

  Future<void> getOffersFromProvidersByRequest({required int requestId, bool isNeedLoading = true}) async {
    try {
      if (isNeedLoading) {
        setState(ViewState.busy);
      }
      ProviderOffersModel providerOffersModel = await requestRepo.getOffersFromProvidersByRequest(requestId: requestId);
      if (isNeedLoading) {
        setState(ViewState.idle);
      }
      serviceProviderOffersList.clear();
      serviceProviderOffersList = providerOffersModel.serviceProviders ?? [];
      notifyListeners();
    } catch (e) {
      logger.i(e.toString());
      Utils.showToast(e.toString());
      if (isNeedLoading) {
        setState(ViewState.idle);
      }
    }
  }

  Future<void> getRequestsChatMessagesForCustomer({
    required BuildContext context,
    required int providerId,
    required int requestOfferId,
    required int requestId,
    required int providerOfferIndex,
  }) async {
    try {
      int customerId = AppState().getUser.data!.userInfo!.customerId!;
      Utils.showLoading(context);
      List<ChatMessageModel> chatMessages = await chatRepo.getUsersChatMessagesForRequests(providerId: providerId, customerId: customerId, requestOfferId: requestOfferId, requestId: requestId);
      serviceProviderOffersList[providerOfferIndex].chatMessages = chatMessages;
      if (serviceProviderOffersList[providerOfferIndex].chatMessages != null) {
        for (var message in serviceProviderOffersList[providerOfferIndex].chatMessages!) {
          if (message.chatMessageTypeEnum == ChatMessageTypeEnum.offer) {
            updateLatestOfferId(message.reqOfferID ?? 0);
            if (message.reqOffer!.requestOfferStatusEnum == RequestOfferStatusEnum.accepted) {
              context.read<RequestsVM>().updateAcceptedReqOffer(message.reqOffer!);
              context.read<RequestsVM>().updateAcceptedRequestOfferProviderName(serviceProviderOffersList[providerOfferIndex].name ?? "");
            }
            log("latestOfferId: $latestOfferId");
          }
        }
      }
      List<int> unreadMessageIds = [];

      for (var msg in chatMessages) {
        if (!msg.isRead! && !msg.isMyMessage!) {
          unreadMessageIds.add(msg.id!);
        }
      }

      if (unreadMessageIds.isNotEmpty) {
        log("unreadMessageIds: ${unreadMessageIds.toString()}");
        await markMessagesAsRead(context, unreadMessageIds, ChatTypeEnum.requestOffer);
      }
      Utils.hideLoading(context);
      notifyListeners();
    } catch (e) {
      logger.i(e.toString());
      Utils.showToast(e.toString());
      Utils.hideLoading(context);
    }
  }

  Future<void> getRequestsChatMessagesForProvider({
    required BuildContext context,
    required int customerId,
    required int requestOfferId,
    required int requestId,
    required int customerRequestIndex,
  }) async {
    try {
      int providerId = AppState().getUser.data!.userInfo!.providerId!;
      Utils.showLoading(context);
      List<ChatMessageModel> chatMessages = await chatRepo.getUsersChatMessagesForRequests(providerId: providerId, customerId: customerId, requestOfferId: requestOfferId, requestId: requestId);
      await context.read<RequestsVM>().overwriteChatMessagesInRequestsModel(messages: chatMessages, index: customerRequestIndex, context: context);
      List<int> unreadMessageIds = [];
      for (var msg in chatMessages) {
        if (!msg.isRead! && !msg.isMyMessage!) {
          unreadMessageIds.add(msg.id!);
        }
      }
      if (unreadMessageIds.isNotEmpty) {
        await markMessagesAsRead(context, unreadMessageIds, ChatTypeEnum.requestOffer);
      }
      Utils.hideLoading(context);
    } catch (e) {
      logger.i(e.toString());
      Utils.showToast(e.toString());
      Utils.hideLoading(context);
    }
  }

  Future<int> onActionOfferTapped({required BuildContext context, required RequestOfferStatusEnum requestOfferStatusEnum, required int reqOfferId, required String comments}) async {
    Utils.showLoading(context);
    try {
      GenericRespModel genericRespModel = await requestRepo.updateRequestOfferStatus(requestOfferStatusEnum: requestOfferStatusEnum, requestOfferId: reqOfferId, comments: comments);
      Utils.showToast(genericRespModel.message.toString());
      Utils.hideLoading(context);
      return genericRespModel.messageStatus == 1 ? reqOfferId : -1;
    } catch (e) {
      logger.i(e.toString());
      Utils.showToast(e.toString());
      Utils.hideLoading(context);
      return -1;
    }
  }

  Future<bool> onSendMessageForActionOnRequestOffer({
    required String receiverId,
    required ChatMessageTypeEnum chatMessageType,
    required String comments,
    required int requestId,
    required int serviceProviderID,
    required int requestOfferID,
    required String offerPrice,
    required bool isDeliveryAvailable,
    required RequestDeliveryOptionEnum offerDeliveryOption,
    required String serviceItemName,
    required String manufacturedByName,
    required String manufacturedOn,
    required RequestOfferStatusEnum requestOfferStatusEnum,
    required BuildContext context,
  }) async {
    if (hubConnection == null || hubConnection!.state != HubConnectionState.connected) {
      logger.i("Hub Not Connected!!");

      await buildHubConnection(context);
    }
    if (hubConnection!.state == HubConnectionState.connected) {
      var obj = <String, dynamic>{
        "ReceiverUserID": receiverId,
        "MessageType": chatMessageType.getIdFromChatMessageTypeEnum(),
        "ChatText": comments,
        "RequestID": requestId,
        "ReqOfferID": requestOfferID,
        "ReqOffer": <String, dynamic>{
          "ID": requestOfferID,
          "RequestID": requestId,
          "Price": double.parse(offerPrice),
          "ServiceItem": serviceItemName,
          "OfferedItemCreatedByName": manufacturedByName,
          "IsDeliveryAvailable": isDeliveryAvailable,
          "OfferDeliveryOption": offerDeliveryOption.getIdRequestDeliveryOptionEnum(),
          // We have commented this because Backend Team is using their server time for this. It was the time offer created by
          // "OfferedItemCreatedOn": manufacturedOn,
          "ServiceProviderID": serviceProviderID,
          "OfferStatus": requestOfferStatusEnum.getIdFromRequestOfferStatusEnum(),
          "Comment": comments,
        },
      };
      logger.i(obj);

      hubConnection!.invoke(
        SignalrConsts.sendMessageRequestOffer,
        args: <Object>[obj],
      ).catchError((e) {
        logger.i("error in invoking SendMessageRequestOffer: ${e.toString()}");
        Utils.showToast(e.toString());
        return false;
      });
    }
    return true;
  }

  // =================== Ads ======================

  List<ChatMessageModel> currentMessagesForAds = [];

  Future<void> getUsersChatMessagesForAd({required BuildContext context, int? adID, int? adsChatBuyerId, String? userID, String? senderName, required bool isForBuyer}) async {
    try {
      Utils.showLoading(context);
      currentMessagesForAds = await chatRepo.getUsersChatMessagesForAds(userID: userID, adID: adID, isForBuyer: isForBuyer, adsChatBuyerId: adsChatBuyerId);
      Utils.hideLoading(context);

      List<int> unreadMessageIds = [];

      for (var msg in currentMessagesForAds) {
        msg.senderName = senderName ?? "";
        if (!msg.isRead! && !msg.isMyMessage!) {
          unreadMessageIds.add(msg.id!);
        }
      }

      if (unreadMessageIds.isNotEmpty) {
        await markMessagesAsRead(context, unreadMessageIds, ChatTypeEnum.ads);
      }

      notifyListeners();
    } catch (e) {
      logger.i(e.toString());
      Utils.showToast(e.toString());
      Utils.hideLoading(context);
    }
  }

  void _subscribeToReceiveAdMessages(BuildContext context) {
    hubConnection!.on(SignalrConsts.receiveMessageAds, (List<Object?>? arguments) {
      if (arguments == null || arguments.isEmpty) return;
      List<ChatMessageModel> chat = [];
      for (var message in arguments) {
        final chatMessage = ChatMessageModel.fromJson(message as Map<String, dynamic>);
        chat.add(chatMessage);
      }
      onNewMessageReceivedForAds(messages: chat);
      logger.i(arguments);
      // Utils.showToast(arguments.toString());
    });
  }

  Future<void> onNewMessageReceivedForAds({required List<ChatMessageModel> messages}) async {
    for (var msg in messages) {
      currentMessagesForAds.add(msg);
    }
    scrollChatDown();
    notifyListeners();
  }

  Future<bool> onTextMessageSendForAds({
    required String receiverId,
    required ChatMessageTypeEnum chatMessageType,
    required String message,
    required int adId,
    required BuildContext context,
  }) async {
    if (message.isEmpty) return false;

    if (hubConnection == null || hubConnection!.state != HubConnectionState.connected) {
      logger.i("Hub Not Connected!!");
      await buildHubConnection(context);
    }

    if (hubConnection!.state == HubConnectionState.connected) {
      final userId = AppState().getUser.data!.userInfo!.userId.toString();
      final name = AppState().getUser.data!.userInfo!.firstName.toString();
      final obj = <String, dynamic>{
        "ReceiverUserID": receiverId,
        // "SenderUserID": userId,
        "MessageType": chatMessageType.getIdFromChatMessageTypeEnum(),
        "ChatText": message,
        "AdsID": adId,
      };
      logger.i("$obj");

      hubConnection!.invoke(
        SignalrConsts.sendMessageAds,
        args: <Object>[obj],
      ).catchError((e) {
        logger.i("error in invoking SendMessage: ${e.toString()}");
        Utils.showToast(e.toString());
        return false;
      });

      ChatMessageModel chatMessageModel = ChatMessageModel(
        messageType: chatMessageType.getIdFromChatMessageTypeEnum(),
        chatText: message,
        isMyMessage: true,
        senderName: name,
        senderUserID: userId,
        chatMessageTypeEnum: ChatMessageTypeEnum.freeText,
        receiverUserID: receiverId,
      );

      currentMessagesForAds.add(chatMessageModel);

      notifyListeners();

      if (AppState().currentAppType == AppType.customer) {
      } else {}
      return true;
    }
    return false;
  }

  // ========================General ==================

  List<ChatMessageModel> currentMessagesForGeneralChat = [];

  Future<void> getUsersChatMessagesForGeneralChat({required BuildContext context, int? adID, int? adsChatBuyerId, String? userID, String? senderName, required bool isForBuyer}) async {
    try {
      Utils.showLoading(context);
      currentMessagesForGeneralChat = await chatRepo.getUsersChatMessagesForGeneralChat(userID: userID, adID: adID, isForBuyer: isForBuyer, adsChatBuyerId: adsChatBuyerId);
      Utils.hideLoading(context);

      List<int> unreadMessageIds = [];

      for (var msg in currentMessagesForGeneralChat) {
        msg.senderName = senderName ?? "";
        if (!msg.isRead! && !msg.isMyMessage!) {
          unreadMessageIds.add(msg.id!);
        }
      }

      if (unreadMessageIds.isNotEmpty) {
        await markMessagesAsRead(context, unreadMessageIds, ChatTypeEnum.general);
      }
      notifyListeners();
    } catch (e) {
      logger.i(e.toString());
      Utils.showToast(e.toString());
      Utils.hideLoading(context);
    }
  }

  Future<void> onNewMessageReceivedForGeneral({required List<ChatMessageModel> messages}) async {
    for (var msg in messages) {
      currentMessagesForAds.add(msg);
    }
    scrollChatDown();
    notifyListeners();
  }

  void _subscribeToReceiveGeneralMessages(BuildContext context) {
    hubConnection!.on(SignalrConsts.receiveMessageGeneral, (List<Object?>? arguments) {
      if (arguments == null || arguments.isEmpty) return;
      List<ChatMessageModel> chat = [];
      for (var message in arguments) {
        final chatMessage = ChatMessageModel.fromJson(message as Map<String, dynamic>);
        chat.add(chatMessage);
      }
      onNewMessageReceivedForGeneral(messages: chat);
      logger.i(arguments);
      // Utils.showToast(arguments.toString());
    });
  }

  Future<bool> onTextMessageSendForGeneralChat({
    required String receiverId,
    required ChatMessageTypeEnum chatMessageType,
    required String message,
    required int adId,
    required BuildContext context,
  }) async {
    if (message.isEmpty) return false;

    if (hubConnection == null || hubConnection!.state != HubConnectionState.connected) {
      logger.i("Hub Not Connected!!");
      await buildHubConnection(context);
    }

    if (hubConnection!.state == HubConnectionState.connected) {
      final userId = AppState().getUser.data!.userInfo!.userId.toString();
      final name = AppState().getUser.data!.userInfo!.firstName.toString();
      final obj = <String, dynamic>{
        "ReceiverUserID": receiverId,
        "MessageType": chatMessageType.getIdFromChatMessageTypeEnum(),
        "ChatText": message,
      };
      logger.i("$obj");

      hubConnection!.invoke(
        SignalrConsts.sendMessageGeneral,
        args: <Object>[obj],
      ).catchError((e) {
        logger.i("error in invoking SendMessage: ${e.toString()}");
        Utils.showToast(e.toString());
        return false;
      });

      ChatMessageModel chatMessageModel = ChatMessageModel(
        messageType: chatMessageType.getIdFromChatMessageTypeEnum(),
        chatText: message,
        isMyMessage: true,
        senderName: name,
        senderUserID: userId,
        chatMessageTypeEnum: ChatMessageTypeEnum.freeText,
        receiverUserID: receiverId,
      );

      currentMessagesForGeneralChat.add(chatMessageModel);
      notifyListeners();

      if (AppState().currentAppType == AppType.customer) {
      } else {}
      return true;
    }
    return false;
  }
}