Flight

import 'package:bloc/bloc.dart';
import 'package:collection/src/iterable_extensions.dart';
import 'package:equatable/equatable.dart';
import 'package:test_crocodic/core/error/failure.dart';
import 'package:test_crocodic/feature/domain/entities/flight.dart';
import 'package:test_crocodic/feature/domain/entities/flights.dart';
import 'package:test_crocodic/feature/domain/usecases/get_all_flight_data.dart';

part 'home_event.dart';
part 'home_state.dart';

class HomeBloc extends Bloc<HomeEvent, HomeState> {
  final GetAllFlightData _getAllFlightData;
  List<Flights>? lastData;

  HomeBloc(this._getAllFlightData) : super(HomeInitialState()) {
    on<HomeEvent>((event, emit) async {
      print(event);
      if (event is GetFlightDataEvent) {
        final result = await _getAllFlightData(Params());
        result.fold((failure) {
          if (failure is ServerFailure) {
            emit(ErrorState(message: failure.message));
          }
          if (failure is NetworkFailure) {
            emit(ErrorState(message: failure.message));
          }
        }, (data) {
          lastData = data;
          emit(DataLoadedState(data: data));
        });
      }

      if (event is FilterDataEvent) {
        if (lastData != null && event.filter != "") {
          List<Flight> flightData = [];
          for (var element in lastData!) {
            var filtered = element.flights
                .where(
                  (element) =>
                      element.countryName
                          .toLowerCase()
                          .contains(event.filter.toLowerCase()) ||
                      element.locationName
                          .toLowerCase()
                          .contains(event.filter.toLowerCase()) ||
                      element.airportName
                          .toLowerCase()
                          .contains(event.filter.toLowerCase()),
                )
                .toList();
            filtered.forEach((element) {
              flightData.add(element);
            });
          }

          var newMap = flightData.groupListsBy((element) => element.countryId);
          List<Flights> results = [];
          newMap.forEach((key, value) {
            results.add(Flights(
              flights: value,
              countryId: key,
              country: value.first.countryName,
            ));
          });
          print(results);
          emit(DataLoadedState(data: results));
        }
      }
    });
  }
}