import 'package:hive/hive.dart';
import '../models/todo.dart';
import 'todo_storage.dart';

class HiveToDoStorage implements ToDoStorage {
  static const String _boxName = 'todoBox';

  Future<Box> get _box async {
    return Hive.box(_boxName);
  }

  @override
  Future<void> addTask(ToDo todo) async {
    final box = await _box;
    await box.add(todo.toJson());
  }

  @override
  Future<void> removeTask(int index) async {
    final box = await _box;
    await box.deleteAt(index);
  }

  @override
  Future<void> updateTask(int index, ToDo todo) async {
    final box = await _box;
    await box.putAt(index, todo.toJson());
  }

  @override
  Future<List<ToDo>> fetchTasks() async {
    final box = await _box;
    return box.values.map((e) => ToDo.fromJson(Map<String, dynamic>.from(e))).toList();
  }
}