HMG_QLine/lib/view_models/screen_config_view_model.dart

import 'dart:developer';

import 'package:flutter/cupertino.dart';
import 'package:hmg_qline/config/dependency_injection.dart';
import 'package:hmg_qline/constants/app_constants.dart';
import 'package:hmg_qline/models/generic_response_model.dart';
import 'package:hmg_qline/models/global_config_model.dart';
import 'package:hmg_qline/models/prayers_widget_model.dart';
import 'package:hmg_qline/models/rss_feed_model.dart';
import 'package:hmg_qline/models/weathers_widget_model.dart';
import 'package:hmg_qline/repositories/screen_details_repo.dart';
import 'package:hmg_qline/services/cache_service.dart';
import 'package:hmg_qline/services/connectivity_service.dart';
import 'package:hmg_qline/utilities/enums.dart';
import 'package:hmg_qline/utilities/extensions.dart';
import 'package:hmg_qline/view_models/queuing_view_model.dart';

class ScreenConfigViewModel extends ChangeNotifier {
  final ScreenDetailsRepo screenDetailsRepo;
  final CacheService cacheService;
  final ConnectivityService connectivityService;

  ScreenConfigViewModel({
    required this.screenDetailsRepo,
    required this.cacheService,
    required this.connectivityService,
  });

  Future<void> initializeScreenConfigVM() async {
    await getGlobalConfigurationsByIP();
    await getInfoWidgetsDetailsFromServer();
    await getLastTimeUpdatedFromCache();
    listenNetworkConnectivity();
    getTheWidgetsConfigurationsEveryMidnight();
  }

  Future<void> waitForIPAndInitializeConfigVM() async {
    while (currentScreenIP == "") {
      await getCurrentScreenIP();
      if (currentScreenIP != "") {
        initializeScreenConfigVM();
      } else {
        await Future.delayed(const Duration(seconds: 2));
      }
    }
  }

  bool isInternetConnected = true;

  updateIsInternetConnected(bool value) {
    isInternetConnected = value;
    notifyListeners();
  }

  bool isHubConnected = true;

  updateIsHubConnected(bool value) {
    isHubConnected = value;
    notifyListeners();
  }

  ViewState state = ViewState.idle;

  void updateViewState(ViewState viewState) {
    state = viewState;
    notifyListeners();
  }

  updateCurrentScreenRotation(ScreenOrientationEnum value) {
    globalConfigurationsModel.orientationTypeEnum = value;
    notifyListeners();
  }

  ScreenTypeEnum currentScreenTypeEnum = ScreenTypeEnum.waitingAreaScreen;

  updateCurrentScreenTypeEnum(ScreenTypeEnum value) {
    currentScreenTypeEnum = value;
  }

  QTypeEnum currentQTypeEnum = QTypeEnum.lab;

  updateCurrentQTypeEnum(QTypeEnum value) {
    currentQTypeEnum = value;
  }

  String currentScreenIP = "";

  Future<void> getCurrentScreenIP() async {
    if (useTestIP) {
      currentScreenIP = AppConstants.testIP;
    } else {
      currentScreenIP = await connectivityService.getCurrentScreenIP();
      log("currentScreenIP: $currentScreenIP");
    }
  }

  void listenNetworkConnectivity() {
    return connectivityService.subscribeToConnectivityChange(onInternetDisConnected: () {
      updateIsInternetConnected(false);
      updateIsHubConnected(false);
    }, onInternetConnected: () {
      updateIsInternetConnected(true);
      QueuingViewModel queuingViewModel = getIt.get<QueuingViewModel>();
      queuingViewModel.startHubConnection();
    });
  }

  GlobalConfigurationsModel globalConfigurationsModel = GlobalConfigurationsModel();

  Future<void> getGlobalConfigurationsByIP() async {
    GlobalConfigurationsModel? response = await screenDetailsRepo.getGlobalScreenConfigurations(ipAddress: currentScreenIP);
    if (response == null) {
      return;
    }
    updateGlobalConfigurationsModel(value: response);
    updateCurrentScreenTypeEnum(globalConfigurationsModel.screenTypeEnum);
    updateCurrentQTypeEnum(globalConfigurationsModel.qTypeEnum);
    notifyListeners();
  }

  void updateGlobalConfigurationsModel({required var value, bool needNotify = false, bool shouldUpdateNextPrayer = false}) {
    globalConfigurationsModel = value;
    if (needNotify) {
      notifyListeners();
    }
    if (shouldUpdateNextPrayer) {
      getNextPrayerToShow();
    }
  }

  Future<void> getInfoWidgetsDetailsFromServer() async {
    if (globalConfigurationsModel.isWeatherReq) {
      await getWeatherDetailsFromServer();
    }
    if (globalConfigurationsModel.isPrayerTimeReq) {
      await getPrayerDetailsFromServer();
    }
    if (globalConfigurationsModel.isRssFeedReq) {
      await getRssFeedDetailsFromServer();
    }

    int currentDate = DateTime.now().millisecondsSinceEpoch;
    await cacheService.setLastTimeUpdatedInCache(lasTimeUpdated: currentDate.toString());
  }

  RssFeedModel rssFeedModel = RssFeedModel();

  Future<void> getRssFeedDetailsFromServer() async {
    RssFeedModel? response = await screenDetailsRepo.getRssFeedDetailsByLanguageID(languageId: 0);

    if (response == null) {
      return;
    }
    rssFeedModel = response;
    notifyListeners();
  }

  PrayersWidgetModel prayersWidgetModel = PrayersWidgetModel();

  Future<void> getPrayerDetailsFromServer() async {
    PrayersWidgetModel? response = await screenDetailsRepo.getPrayerDetailsByLatLong(
      latitude: globalConfigurationsModel.projectLatitude ?? 0.0,
      longitude: globalConfigurationsModel.projectLongitude ?? 0.0,
    );

    if (response == null) {
      return;
    }

    prayersWidgetModel = response;
    getNextPrayerToShow();
    notifyListeners();
  }

  WeathersWidgetModel weathersWidgetModel = WeathersWidgetModel();

  Future<void> getWeatherDetailsFromServer() async {
    WeathersWidgetModel? response = await screenDetailsRepo.getWeatherDetailsByCity(
      cityId: globalConfigurationsModel.cityKey.toString(),
    );

    if (response == null) {
      return;
    }
    weathersWidgetModel = response;
    notifyListeners();
  }

  String nextPrayerToShowWithTime = '';

  void getNextPrayerToShow() {
    final current = DateTime.now();
    log("Checking Namaz time Locally at ${current.toString()} and ${current.timeZoneName} ");

    if (prayersWidgetModel.fajr != null && prayersWidgetModel.fajr!.toDateTimeFromInt().isAfter(current)) {
      final namazTime = prayersWidgetModel.fajr!.toFormattedDateTimeFromInt();
      nextPrayerToShowWithTime = "${globalConfigurationsModel.fajarText} at $namazTime";
      notifyListeners();
      return;
    }
    if (prayersWidgetModel.dhuhr != null && prayersWidgetModel.dhuhr!.toDateTimeFromInt().isAfter(current)) {
      final namazTime = prayersWidgetModel.dhuhr!.toFormattedDateTimeFromInt();
      nextPrayerToShowWithTime = "${globalConfigurationsModel.dhuhrText} at $namazTime";
      notifyListeners();
      return;
    }
    if (prayersWidgetModel.asr != null && prayersWidgetModel.asr!.toDateTimeFromInt().isAfter(current)) {
      final namazTime = prayersWidgetModel.asr!.toFormattedDateTimeFromInt();
      nextPrayerToShowWithTime = "${globalConfigurationsModel.asarText} at $namazTime";
      notifyListeners();
      return;
    }
    if (prayersWidgetModel.maghrib != null && prayersWidgetModel.maghrib!.toDateTimeFromInt().isAfter(current)) {
      final namazTime = prayersWidgetModel.maghrib!.toFormattedDateTimeFromInt();
      nextPrayerToShowWithTime = "${globalConfigurationsModel.maghribText} at $namazTime";
      notifyListeners();
      return;
    }
    if (prayersWidgetModel.isha != null && prayersWidgetModel.isha!.toDateTimeFromInt().isAfter(current)) {
      final namazTime = prayersWidgetModel.isha!.toFormattedDateTimeFromInt();
      nextPrayerToShowWithTime = "${globalConfigurationsModel.ishaText} at $namazTime";
      notifyListeners();
      return;
    }
  }

  int counter = 0;

  Future<void> getTheWidgetsConfigurationsEveryMidnight() async {
    if (!(globalConfigurationsModel.isWeatherReq) && !(globalConfigurationsModel.isPrayerTimeReq) && !(globalConfigurationsModel.isRssFeedReq)) {
      return;
    }

    DateTime current = DateTime.now();
    Stream timer = Stream.periodic(const Duration(minutes: 1), (i) {
      current = current.add(const Duration(minutes: 1));
      return current;
    });

    timer.listen((data) async {
      DateTime dateTime = DateTime.parse(data.toString());

      counter++;

      log("counterValue: $counter");

      if (counter == 60 && globalConfigurationsModel.isRssFeedReq) {
        await getRssFeedDetailsFromServer();
      }

      if (globalConfigurationsModel.isWeatherReq) {
        if (dateTime.day > currentLastTimeUpdated.day) {
          await getWeatherDetailsFromServer();
        }
      }

      if (globalConfigurationsModel.isPrayerTimeReq) {
        if (dateTime.day > currentLastTimeUpdated.day) {
          await getPrayerDetailsFromServer();
        }
      }

      if (globalConfigurationsModel.isRssFeedReq) {
        if (dateTime.day > currentLastTimeUpdated.day) {
          await getRssFeedDetailsFromServer();
        }
      }

      getNextPrayerToShow();
    });
  }

  DateTime currentLastTimeUpdated = DateTime.now();

  Future<void> getLastTimeUpdatedFromCache() async {
    DateTime? response = await cacheService.getLastTimeUpdatedFromCache();
    if (response != null) {
      currentLastTimeUpdated = response;
    }
  }

  Future<void> createAutoTickets({required int numOfTicketsToCreate}) async {
    int startTicket = 123457000;

    for (int i = 0; i < numOfTicketsToCreate; i++) {
      GenericRespModel? response = await screenDetailsRepo.createNextTickets(ticketNumber: startTicket);
      startTicket = startTicket + 1;
      if (response == null || response.messageStatus != 1) {
        log("response null from createNextTickets");
        return;
      }
    }

    log("last ticket is: $startTicket ");
  }
}