import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';

/// Theme preferences stored locally (no user account required).
class ThemeBaseService {
  static const _themeKey = 'ThemeType';

  Future<String> getUserTheme(String _, WidgetRef ref) async {
    final prefs = await SharedPreferences.getInstance();
    return prefs.getString(_themeKey) ?? 'system';
  }

  Future<void> updateUserTheme(String _, String theme, WidgetRef ref) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_themeKey, theme);
  }
}