import 'dart:async';
import 'package:bloc/bloc.dart';
import 'package:go_router/go_router.dart';
import 'package:hadi_hoda_flutter/core/params/language_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/language/domain/entity/language_entity.dart';
import 'package:hadi_hoda_flutter/features/language/domain/usecases/save_levels_usecase.dart';
import 'package:hadi_hoda_flutter/features/language/presentation/bloc/language_event.dart';
import 'package:hadi_hoda_flutter/features/language/presentation/bloc/language_state.dart';

class LanguageBloc extends Bloc<LanguageEvent, LanguageState> {
  /// ------------constructor------------
  LanguageBloc(
      this._saveLevelsUseCase,
      ) : super(const LanguageState()) {
    on<ChangeLanguageEvent>(_changeLanguageEvent);
    on<SaveLevelsEvent>(_saveLevelsEvent);
  }

  /// ------------UseCases------------
  final SaveLevelsUseCase _saveLevelsUseCase;

  /// ------------Variables------------
  final List<LanguageEntity> languages = [
    LanguageEntity(title: 'Persian (فارسی)', code: 'fa'),
    LanguageEntity(title: 'English (English)', code: 'en'),
    LanguageEntity(title: 'Arabic (عربی)', code: 'ar'),
  ];

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

  /// ------------Functions------------
  FutureOr<void> _changeLanguageEvent(
    ChangeLanguageEvent event,
    Emitter<LanguageState> emit,
  ) {
    emit(state.copyWith(selectedLang: event.lang));
  }

  /// ------------Api Calls------------
  FutureOr<void> _saveLevelsEvent(
    SaveLevelsEvent event,
    Emitter<LanguageState> emit,
  ) async {
    emit(state.copyWith(saveLevelsStatus: const BaseLoading()));
   await _saveLevelsUseCase(LanguageParams(code: state.selectedLang.code)).then(
     (value) => value.fold(
       (data) {
         emit(state.copyWith(saveLevelsStatus: const BaseInit()));
         ContextProvider.context!.goNamed(Routes.homePage);
       },
       (error) {
         emit(state.copyWith(saveLevelsStatus: const BaseInit()));
       },
     ),
   );
  }
}