import 'package:flutter/foundation.dart';
import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
import 'package:hadi_hoda_flutter/core/error_handler/my_exception.dart';
import 'package:hadi_hoda_flutter/core/params/level_params.dart';
import 'package:hadi_hoda_flutter/core/utils/local_storage.dart';
import 'package:hadi_hoda_flutter/features/level/domain/entity/node_entity.dart';
import 'package:hadi_hoda_flutter/features/level/domain/entity/total_data_entity.dart';
import 'package:hive/hive.dart';

abstract class ILevelDatasource {
  Future<List<NodeEntity>> getLevels({required LevelParams params});
}

/// Local
class LocalLevelDatasourceImpl implements ILevelDatasource {
  const LocalLevelDatasourceImpl();

  @override
  Future<List<NodeEntity>> getLevels({required LevelParams params}) async {
    try {
      final String selectedLanguage = LocalStorage.readData(
          key: MyConstants.selectLanguage) ?? MyConstants.defaultLanguage;
      final Box<TotalDataEntity> levelBox = Hive.box(MyConstants.levelBox);
      final TotalDataEntity findData = levelBox.values.firstWhere(
        (e) => e.code == selectedLanguage,
        orElse: () => TotalDataEntity(),
      );
      debugPrint("nodesCount : ${findData.nodes?.first.level?.questions}");
      return findData.nodes ?? [];
    } catch (e,s) {
      debugPrint(e.toString());
      debugPrint(s.toString());
      throw  const MyException(errorMessage: 'Operation Failed');
    }
  }
}