Rumahjo-Android-APP/lib/data/cubits/property/fetch_promoted_properties_cubit.dart

// ignore_for_file: public_member_api_docs, sort_constructors_first
import 'dart:convert';

import 'package:ebroker/Ui/screens/proprties/viewAll.dart';
import 'package:ebroker/utils/Network/networkAvailability.dart';
import 'package:hydrated_bloc/hydrated_bloc.dart';

import '../../../settings.dart';
import '../../Repositories/property_repository.dart';
import '../../model/data_output.dart';
import '../../model/property_model.dart';

abstract class FetchPromotedPropertiesState {}

class FetchPromotedPropertiesInitial extends FetchPromotedPropertiesState {}

class FetchPromotedPropertiesInProgress extends FetchPromotedPropertiesState {}

class FetchPromotedPropertiesSuccess extends FetchPromotedPropertiesState
    implements PropertySuccessStateWireframe {
  @override
  final bool isLoadingMore;
  final bool loadingMoreError;
  @override
  final List<PropertyModel> properties;
  final int offset;
  final int total;
  FetchPromotedPropertiesSuccess({
    required this.isLoadingMore,
    required this.loadingMoreError,
    required this.properties,
    required this.offset,
    required this.total,
  });

  FetchPromotedPropertiesSuccess copyWith({
    bool? isLoadingMore,
    bool? loadingMoreError,
    List<PropertyModel>? propertymodel,
    int? offset,
    int? total,
  }) {
    return FetchPromotedPropertiesSuccess(
      isLoadingMore: isLoadingMore ?? this.isLoadingMore,
      loadingMoreError: loadingMoreError ?? this.loadingMoreError,
      properties: propertymodel ?? this.properties,
      offset: offset ?? this.offset,
      total: total ?? this.total,
    );
  }

  Map<String, dynamic> toMap() {
    return <String, dynamic>{
      'isLoadingMore': isLoadingMore,
      'loadingMoreError': loadingMoreError,
      'propertymodel': properties.map((x) => x.toMap()).toList(),
      'offset': offset,
      'total': total,
    };
  }

  factory FetchPromotedPropertiesSuccess.fromMap(Map<String, dynamic> map) {
    return FetchPromotedPropertiesSuccess(
      isLoadingMore: map['isLoadingMore'] as bool,
      loadingMoreError: map['loadingMoreError'] as bool,
      properties: List<PropertyModel>.from(
        (map['propertymodel'] as List).map<PropertyModel>(
          (x) => PropertyModel.fromMap(x as Map<String, dynamic>),
        ),
      ),
      offset: map['offset'] as int,
      total: map['total'] as int,
    );
  }

  String toJson() => json.encode(toMap());

  factory FetchPromotedPropertiesSuccess.fromJson(String source) =>
      FetchPromotedPropertiesSuccess.fromMap(
          json.decode(source) as Map<String, dynamic>);

  @override
  set isLoadingMore(bool _isLoadingMore) {}

  @override
  set properties(List<PropertyModel> _properties) {}
}

class FetchPromotedPropertiesFailure extends FetchPromotedPropertiesState
    implements PropertyErrorStateWireframe {
  final String error;
  FetchPromotedPropertiesFailure(this.error);

  @override
  set error(_error) {}
}

class FetchPromotedPropertiesCubit extends Cubit<FetchPromotedPropertiesState>
    with HydratedMixin
    implements PropertyCubitWireframe {
  FetchPromotedPropertiesCubit() : super(FetchPromotedPropertiesInitial());

  final PropertyRepository _propertyRepository = PropertyRepository();

  @override
  Future<void> fetch({bool? forceRefresh, bool? loadWithoutDelay}) async {
    ///if it is not force refresh
    if (forceRefresh != true) {
      ///This will check if state is success so it will delay 5 seconds to load data in background
      if (state is FetchPromotedPropertiesSuccess) {
        await Future.delayed(Duration(
            seconds: loadWithoutDelay == true
                ? 0
                : AppSettings.hiddenAPIProcessDelay));
      } else {
        //if state is not success it will show shimmer
        emit(FetchPromotedPropertiesInProgress());
      }
    } else {
      emit(FetchPromotedPropertiesInProgress());
    }

    try {
      ///This will call api instantly when its force refresh
      if (forceRefresh == true) {
        DataOutput<PropertyModel> result =
            await _propertyRepository.fetchPromotedProperty(
          offset: 0,
          sendCityName: true,
        );
        emit(
          FetchPromotedPropertiesSuccess(
            isLoadingMore: false,
            loadingMoreError: false,
            properties: result.modelList,
            offset: 0,
            total: result.total,
          ),
        );
      } else {
        ///And if it is not force refresh and state is not success, like its failed before so it will call API
        if (state is! FetchPromotedPropertiesSuccess) {
          DataOutput<PropertyModel> result =
              await _propertyRepository.fetchPromotedProperty(
            offset: 0,
            sendCityName: true,
          );
          emit(
            FetchPromotedPropertiesSuccess(
              isLoadingMore: false,
              loadingMoreError: false,
              properties: result.modelList,
              offset: 0,
              total: result.total,
            ),
          );
        } else {
          await CheckInternet.check(
            onInternet: () async {
              ////If it is success state and internet is available it will call API to load new data
              DataOutput<PropertyModel> result =
                  await _propertyRepository.fetchPromotedProperty(
                offset: 0,
                sendCityName: true,
              );
              emit(
                FetchPromotedPropertiesSuccess(
                  isLoadingMore: false,
                  loadingMoreError: false,
                  properties: result.modelList,
                  offset: 0,
                  total: result.total,
                ),
              );
            },
            onNoInternet: () {
              ///if there is no internet so it will load cached data
              emit(
                FetchPromotedPropertiesSuccess(
                    total: (state as FetchPromotedPropertiesSuccess).total,
                    offset: (state as FetchPromotedPropertiesSuccess).offset,
                    isLoadingMore:
                        (state as FetchPromotedPropertiesSuccess).isLoadingMore,
                    loadingMoreError: (state as FetchPromotedPropertiesSuccess)
                        .loadingMoreError,
                    properties:
                        (state as FetchPromotedPropertiesSuccess).properties),
              );
            },
          );
        }
      }
    } catch (e) {
      emit(FetchPromotedPropertiesFailure(e.toString()));
    }
  }

  void update(PropertyModel model) {
    if (state is FetchPromotedPropertiesSuccess) {
      List<PropertyModel> properties =
          (state as FetchPromotedPropertiesSuccess).properties;

      var index = properties.indexWhere((element) => element.id == model.id);
      if (index != -1) {
        properties[index] = model;
      }

      emit((state as FetchPromotedPropertiesSuccess)
          .copyWith(propertymodel: properties));
    }
  }

  @override
  Future<void> fetchMore() async {
    try {
      if (state is FetchPromotedPropertiesSuccess) {
        if ((state as FetchPromotedPropertiesSuccess).isLoadingMore) {
          return;
        }
        emit((state as FetchPromotedPropertiesSuccess)
            .copyWith(isLoadingMore: true));
        DataOutput<PropertyModel> result =
            await _propertyRepository.fetchPromotedProperty(
                offset:
                    (state as FetchPromotedPropertiesSuccess).properties.length,
                sendCityName: true);

        FetchPromotedPropertiesSuccess propertymodelState =
            (state as FetchPromotedPropertiesSuccess);
        propertymodelState.properties.addAll(result.modelList);
        emit(FetchPromotedPropertiesSuccess(
            isLoadingMore: false,
            loadingMoreError: false,
            properties: propertymodelState.properties,
            offset: (state as FetchPromotedPropertiesSuccess).properties.length,
            total: result.total));
      }
    } catch (e) {
      emit((state as FetchPromotedPropertiesSuccess)
          .copyWith(isLoadingMore: false, loadingMoreError: true));
    }
  }

  bool hasMoreData() {
    if (state is FetchPromotedPropertiesSuccess) {
      return (state as FetchPromotedPropertiesSuccess).properties.length <
          (state as FetchPromotedPropertiesSuccess).total;
    }
    return false;
  }

  @override
  FetchPromotedPropertiesState? fromJson(Map<String, dynamic> json) {
    try {
      FetchPromotedPropertiesSuccess fetchPromotedPropertiesSuccess =
          FetchPromotedPropertiesSuccess.fromMap(json);
      return fetchPromotedPropertiesSuccess;
    } catch (e) {
      // Log the error or handle it as needed
      return null; // Ensure a value is returned even when an exception occurs
    }
  }

  @override
  Map<String, dynamic>? toJson(FetchPromotedPropertiesState state) {
    if (state is FetchPromotedPropertiesSuccess) {
      Map<String, dynamic> mapped = state.toMap();
      mapped['cubit_state'] = "FetchPromotedPropertiesSuccess";
      return mapped;
    }

    return null;
  }
}