import 'package:shared_preferences/shared_preferences.dart';

/// Sunucu URL'si ve API key gibi ayarları kalıcı olarak saklar.
class SettingsService {
  static const _keyServerUrl = 'server_url';
  static const _keyApiKey = 'api_key';

  Future<String?> getServerUrl() async {
    final prefs = await SharedPreferences.getInstance();
    return prefs.getString(_keyServerUrl);
  }

  Future<String?> getApiKey() async {
    final prefs = await SharedPreferences.getInstance();
    final key = prefs.getString(_keyApiKey);
    return (key == null || key.isEmpty) ? null : key;
  }

  Future<void> save({required String serverUrl, required String apiKey}) async {
    final prefs = await SharedPreferences.getInstance();
    // Sonundaki "/" karakterini temizle, karışıklık olmasın.
    final cleanUrl = serverUrl.trim().replaceAll(RegExp(r'/+$'), '');
    await prefs.setString(_keyServerUrl, cleanUrl);
    await prefs.setString(_keyApiKey, apiKey.trim());
  }

  Future<bool> hasSettings() async {
    final url = await getServerUrl();
    return url != null && url.isNotEmpty;
  }
}