import 'package:flutter/material.dart';
import 'package:todo/database/PathProvider.dart';
import '../database/Sqlite.dart';
import 'ToDoItem.dart';

class ToDoProvider with ChangeNotifier {
  final List<ToDoItem> _toDoList = [];
  final safeHelper = Sqlite();
  List<ToDoItem> get toDoList => _toDoList;

  ToDoProvider() {
    _loadFromPrefs();
  }

  Future<void> addToDo(ToDoItem item) async {
    await safeHelper.insertToDoItem(item);
    _toDoList.add(item);
    notifyListeners();
  }

  void updateStatus(int id, String status) {
    ToDoItem item = _toDoList.firstWhere((todo) => todo.id == id);
    item.status = status;
    safeHelper.updateToDoItem(item);
    notifyListeners();
  }

  void deleteItem(int id) {
    _toDoList.remove(_toDoList.where((toDoID) => toDoID.id == id).first);
    safeHelper.deleteToDoItem(id);
    notifyListeners();
  }

  Future<void> _loadFromPrefs() async {
    List<ToDoItem> items = await safeHelper.getToDoItems();
    for (var item in items) {
      _toDoList.add(item);
    }
    notifyListeners();
  }

  void sortByName() {
    _toDoList.sort((a, b) => a.name.compareTo(b.name));
    notifyListeners();
  }

  void sortByDueDate() {
    _toDoList.sort((a, b) => a.dueDate.compareTo(b.dueDate));
    notifyListeners();
  }

  void sortByStatus() {
    _toDoList.sort((a, b) => a.status.compareTo(b.status));
    notifyListeners();
  }

}