import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:wow_english/common/request/dao/home_dao.dart';
import 'package:wow_english/common/request/exception.dart';
import 'package:wow_english/models/course_entity.dart';
import 'package:wow_english/common/request/dao/listen_dao.dart';
import 'package:wow_english/models/course_process_entity.dart';
// import 'package:wow_english/models/course_lesson_entity.dart';
import 'package:wow_english/utils/loading.dart';
import 'package:wow_english/utils/toast_util.dart';

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

class HomeBloc extends Bloc<HomeEvent, HomeState> {
  final String? moduleId;

  CourseEntity? _modelData;

  CourseEntity? get modelData => _modelData;

  CourseProcessEntity? _processEntity;

  CourseProcessEntity? get processEntity => _processEntity;

  HomeBloc(this.moduleId) : super(HomeInitial()) {
    on<RequestDataEvent>(_requestData);
    on<RequestVideoLessonEvent>(_requestVideoLesson);
  }

  void _requestData(RequestDataEvent event, Emitter<HomeState> emitter) async {
    try {
      await loading(() async {
        _modelData = await HomeDao.courseLesson(moduleId: moduleId ?? '');
        emitter(HomeDataLoadState());
      });
    } catch (e) {
      if (e is ApiException) {
        showToast(e.message.toString());
      }
    }
  }

  void _requestVideoLesson(RequestVideoLessonEvent event, Emitter<HomeState> emitter) async {
    try {
      await loading(() async {
        _processEntity = await ListenDao.process(event.courseLessonId);
        emitter(RequestVideoLessonState(event.courseType));
      });
    } catch (e) {
      if (e is ApiException) {
        showToast(e.message??'请求失败,请检查网络连接');
      }
    }
  }
}