data.dart

import 'package:flutter/foundation.dart';

class Data extends ChangeNotifier {
  bool _searchingCategory = false;
  bool _searchingLetter = false;

  String _category = '';
  String _letter = '';

  int _countdown = -1;

  final int _recentCategoriesCount = 15;
  final int _recentLettersCount = 10;
  List<String> _recentCategories = [];
  List<String> _recentLetters = [];

  bool get searchingCategory => _searchingCategory;
  void setSearchingCategory(bool value) {
    _searchingCategory = value;
    notifyListeners();
  }

  bool get searchingLetter => _searchingLetter;
  void setSearchingLetter(bool value) {
    _searchingLetter = value;
    notifyListeners();
  }

  String get category => _category;
  void updateCategory(String value) {
    _category = value;
    if (value != '') {
      _recentCategories.insert(0, value);
      _recentCategories = _recentCategories.take(_recentCategoriesCount).toList();
    }
    notifyListeners();
  }

  String get letter => _letter;
  void updateLetter(String value) {
    _letter = value;
    if (value != '') {
      _recentLetters.insert(0, value);
      _recentLetters = _recentLetters.take(_recentLettersCount).toList();
    }
    notifyListeners();
  }

  String recentlyPickedLetter(int count) {
    if (_recentLetters.length > count) {
      return _recentLetters[count];
    }
    return '';
  }

  bool isCategoryRecentlyPicked(String category) {
    return _recentCategories.contains(category);
  }

  bool isLetterRecentlyPicked(String letter) {
    return _recentLetters.contains(letter);
  }

  int get countdown => _countdown;
  void updateCountdown(int value) {
    _countdown = value;
    notifyListeners();
  }

  void resetGame() {