import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'app_theme.dart';

class ThemeProvider with ChangeNotifier {
  ThemeType _currentTheme = ThemeType.defaultTheme;
  static const String _themeKey = 'theme_type';

  ThemeType get currentTheme => _currentTheme;

  ThemeProvider() {
    _loadTheme();
  }

  Future<void> _loadTheme() async {
    final prefs = await SharedPreferences.getInstance();
    final themeIndex = prefs.getInt(_themeKey) ?? 0;
    _currentTheme = ThemeType.values[themeIndex];
    notifyListeners();
  }

  Future<void> setTheme(ThemeType theme) async {
    _currentTheme = theme;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_themeKey, theme.index);
    notifyListeners();
  }

  bool get isDarkMode => _currentTheme == ThemeType.darkTheme;
}