import 'dart:convert';

import 'package:flutter/foundation.dart';
import 'package:test_sa/controllers/api_routes/api_manager.dart';
import 'package:test_sa/controllers/api_routes/urls.dart';
import 'package:test_sa/modules/asset_tracking/models/coordinates_model.dart';
import 'package:test_sa/modules/asset_tracking/models/asset_tracking_search_model.dart';
import 'package:test_sa/views/widgets/equipment/asset_tag_model.dart';

import 'models/asset_tracking_model.dart';
import 'models/floor_map_model.dart';
import 'models/penguin_site_model.dart';
import 'models/zone_data_model.dart';

class AssetTrackingProvider extends ChangeNotifier {
  bool isLoading = false;
  bool isNextPageLoading = false;
  final pageItemNumber = 12;
  int pageNo = 1;
  bool nextPage = false;
  List<AssetTrackingModel> assetsList = [];
  List<AssetTrackingModel> assetsOnTheFloorList = [];

  List<ZoneModel> zonesList = [];
  ZoneModel? selectedZone;

  List<PenguinSiteModel> sitesList = [];
  PenguinSiteModel? selectedSite;

  List<PenguinSiteModel> buildList = [];
  PenguinSiteModel? selectedBuilding;
  List<PenguinSiteModel> floorList = [];
  PenguinSiteModel? selectedFloor;

  List<Coordinates> coordinates = [];

  void calculateCoordinates() {
    coordinates.clear();
    coordinates.addAll(selectedBuilding!.coordinates!.map((e) => Coordinates(latitude: e.latitude, longitude: e.longitude)).toList());
    notify();
  }

  // List<ZoneModel> getFilteredZones() {
  //   if (zonesList.isEmpty || selectedSite == null || selectedBuilding == null) {
  //     return [];
  //   } else {
  //     return zonesList.where((zone) => zone.siteId == selectedSite!.id).toList();
  //   }
  // }

  String get getExpansionHeader =>
      (selectedBuilding == null || selectedBuilding == null) ? "Search Floor Map" : "${selectedSite!.label} > ${selectedBuilding!.label} > ${selectedFloor?.label ?? "Select Floor"}";

  reset() {
    isLoading = false;
    isNextPageLoading = false;
    pageNo = 1;
    nextPage = false;
    selectedFloor = null;
    selectedBuilding = null;
    selectedSite = null;
    assetsList = [];
    assetsOnTheFloorList = [];
    coordinates = [];
    notify();
  }

  notify() {
    notifyListeners();
  }

  Future<int> getAssetsFromPenguin({bool loadMore = false, AssetTrackingSearchModel? searchModel}) async {
    if (isLoading || isNextPageLoading) return -2;
    if (loadMore) {
      isNextPageLoading = true;
      pageNo += 1;
    } else {
      isLoading = true;
      pageNo = 1;
    }
    notifyListeners();
    try {
      final Map<String, dynamic> payload = {
        "pageSize": pageItemNumber,
        "pageNumber": pageNo,
      };

      if (searchModel != null) {
        payload.addAll(searchModel.toJson());
      }
      final response = await ApiManager.instance.post(URLs.getAssetsFromPenguin, body: payload);
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"] ?? [];
        List<AssetTrackingModel> responseAssetList = list.map((item) => AssetTrackingModel.fromJson(item)).toList();

        if (loadMore) {
          assetsList.addAll(responseAssetList);
        } else {
          assetsList = responseAssetList;
        }
        final int totalRows = (jsonData["totalRows"] as int?) ?? assetsList.length;
        nextPage = (assetsList.length) < totalRows;
      } else {
        if (loadMore) pageNo -= 1;
      }
      isLoading = false;
      isNextPageLoading = false;
      notifyListeners();
      return response.statusCode;
    } catch (error) {
      if (loadMore) pageNo -= 1;
      isLoading = false;
      isNextPageLoading = false;
      notifyListeners();
      return -1;
    }
  }

  Future getBuildingMapFromPenguin() async {
    if (zonesList.isNotEmpty) {
      await Future.delayed(const Duration(milliseconds: 250));
      // return;
    }
    try {
      final response = await ApiManager.instance.get(URLs.getPenguinBuildings + "");
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"];
        zonesList.addAll(list.map((item) => ZoneModel.fromJson(item)).toList());
        notify();
      }
    } catch (error) {
      print("getZoneFromPenguin:Error:$error");
    }
  }

  Future getZoneFromPenguin() async {
    if (zonesList.isEmpty) {
      try {
        final response = await ApiManager.instance.get(URLs.getPenguinZones);
        if (response.statusCode >= 200 && response.statusCode < 300) {
          final Map<String, dynamic> jsonData = json.decode(response.body);
          List list = jsonData["data"] ?? [];
          zonesList.addAll(list.map((item) => ZoneModel.fromJson(item)).toList());
        }
      } catch (error) {
        print("getZoneFromPenguin:Error:$error");
      }
    }
    // Building outline comes from the selected building, so always compute it.
    calculateCoordinates();
  }

  Future getAssetsFromPenguinByFloor() async {
    try {
      assetsOnTheFloorList.clear();
      Map<String, dynamic> body = {
        "campusId": selectedSite!.id,
        "venueIds": [selectedBuilding!.id]
      };
      if (selectedFloor != null) {
        body["floorIds"] = [selectedFloor!.id];
      }
      final response = await ApiManager.instance.post(URLs.getAssetsFromPenguin, body: body);
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"];
        assetsOnTheFloorList.addAll(list.map((item) => AssetTrackingModel.fromJson(item)).toList());
      }
      notifyListeners();
    } catch (error) {
      notifyListeners();
    }
  }

  Future<FloorMapModel?> getFloorMap(int floorId) async {
    FloorMapModel? floorMapModel;
    try {
      final response = await ApiManager.instance.get(URLs.getPenguinFloors + "/$floorId/maps");
      if (response.statusCode >= 200 && response.statusCode < 300) {
        floorMapModel = FloorMapModel.fromJson(json.decode(response.body)["data"]);
        final geoJsonResponse = await ApiManager.instance.get(floorMapModel.geojsonUrl!);
        floorMapModel.geojsonData = json.decode(geoJsonResponse.body);
      }
      return floorMapModel;
    } catch (error) {
      return floorMapModel;
    }
  }

  Future getPenguinSites() async {
    try {
      sitesList.clear();
      buildList.clear();
      floorList.clear();
      selectedSite = null;
      selectedBuilding = null;
      selectedFloor = null;
      final response = await ApiManager.instance.get(URLs.getPenguinSites);
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"];
        sitesList.addAll(list.map((item) => PenguinSiteModel.fromJson(item)).toList());
      }
      notifyListeners();
    } catch (error) {
      notifyListeners();
    }
  }

  Future<List<PenguinSiteModel>> getPenguinDepartments(int id) async {
    List<PenguinSiteModel> sitesList = [];
    try {
      final response = await ApiManager.instance.get(URLs.getPenguinDepartments + "?siteId=$id");
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"];
        sitesList.addAll(list.map((item) => PenguinSiteModel.fromJson(item)).toList());
      }
      return sitesList;
    } catch (error) {
      return sitesList;
    }
  }

  Future getPenguinBuildings(int id) async {
    try {
      buildList.clear();
      floorList.clear();
      selectedBuilding = null;
      selectedFloor = null;
      final response = await ApiManager.instance.get(URLs.getPenguinBuildings + "?siteId=$id");
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"];
        buildList.addAll(list.map((item) => PenguinSiteModel.fromJson(item)).toList());
      }
      notifyListeners();
    } catch (error) {
      notifyListeners();
    }
  }

  Future getPenguinFloors(int id) async {
    try {
      floorList.clear();
      selectedFloor = null;
      final response = await ApiManager.instance.get(URLs.getPenguinFloors + "?buildingId=$id");
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"];
        floorList.addAll(list.map((item) => PenguinSiteModel.fromJson(item)).toList());
      }
      notifyListeners();
    } catch (error) {
      notifyListeners();
    }
  }

  int assetTagPageNumber = 1;
  int? totalAssetTags;
  List<AssetTagModel> tagList = [];

  bool isLoadingAssetTags = false;

  void resetAssetTagData() {
    tagList.clear();
    assetTagPageNumber = 1;
    totalAssetTags = null;
  }

  bool get isCanLoadMore => tagList.length < (totalAssetTags ?? 0);

  Future getPenguinAssetTags() async {
    if (isLoadingAssetTags) return;
    try {
      isLoadingAssetTags = true;
      notify();

      final response = await ApiManager.instance.get(URLs.getPenguinAssetTags + "?pageNumber=$assetTagPageNumber&tagStatus=1&isMobile=1");

      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["response"]["data"];
        totalAssetTags ??= jsonData["response"]["totalRows"];
        tagList.addAll(list.map((item) => AssetTagModel.fromJson(item)).toList());
        if (tagList.length < totalAssetTags!) {
          assetTagPageNumber += 1;
        }
      }
    } catch (error) {}
    isLoadingAssetTags = false;
    notify();
  }

  Future<List> linkAssetWithPenguinTag(int assetId, int penguinTagId) async {
    try {
      final response = await ApiManager.instance.get(URLs.getPenguinAssetTags);
      if (response.statusCode >= 200 && response.statusCode < 300) {
        final Map<String, dynamic> jsonData = json.decode(response.body);
        List list = jsonData["data"];
        return list;
      }
      return [];
    } catch (error) {
      return [];
    }
  }
}