import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:go_router/go_router.dart';
import 'package:hadi_hoda_flutter/core/params/no_params.dart';
import 'package:hadi_hoda_flutter/core/routers/my_routes.dart';
import 'package:hadi_hoda_flutter/core/status/base_status.dart';
import 'package:hadi_hoda_flutter/core/utils/context_provider.dart';
import 'package:hadi_hoda_flutter/features/intro/domain/usecases/get_files_usecase.dart';
import 'package:hadi_hoda_flutter/features/intro/domain/usecases/loading_stream_usecase.dart';
import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_event.dart';
import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_state.dart';

class IntroBloc extends Bloc<IntroEvent, IntroState> {
  /// ------------constructor------------
  IntroBloc(this._getFilesUseCase, this._loadingStreamUseCase)
    : super(const IntroState()) {
    on<GetFilesEvent>(_getFilesEvent);
    loadingStream = _loadingStreamUseCase();
  }

  /// ------------UseCases------------
  final GetFilesUseCase _getFilesUseCase;
  final LoadingStreamUseCase _loadingStreamUseCase;

  /// ------------Variables------------
  Stream<double> loadingStream = Stream.empty();

  /// ------------Controllers------------

  /// ------------Functions------------

  /// ------------Api Calls------------
  FutureOr<void> _getFilesEvent(
    GetFilesEvent event,
    Emitter<IntroState> emit,
  ) async {
    await _getFilesUseCase(NoParams()).then((value) {
      value.fold(
        (data) async {
          await Future.delayed(
            Duration(milliseconds: 300), () {
              ContextProvider.context!.goNamed(Routes.languagePage);
            },
          );
        },
        (error) {
          emit(state.copyWith(getFilesStatus: BaseError(error.errorMessage)));
        },
      );
    });
  }
}