import 'package:flutter/foundation.dart';
import 'package:shared_preferences/shared_preferences.dart';

class EndpointService extends ChangeNotifier {
  EndpointService() {
    _load();
  }

  static const String defaultBaseUrl = 'https://mileograph.co.uk/api/v1';
  static const String _prefsKey = 'api_base_url';

  String _baseUrl = defaultBaseUrl;
  bool _loaded = false;

  String get baseUrl => _baseUrl;
  bool get isLoaded => _loaded;

  Future<void> _load() async {
    final prefs = await SharedPreferences.getInstance();
    final saved = prefs.getString(_prefsKey);
    if (saved != null && saved.trim().isNotEmpty) {
      _baseUrl = saved;
    }
    _loaded = true;
    notifyListeners();
  }

  Future<void> setBaseUrl(String url) async {
    final trimmed = url.trim();
    if (trimmed.isEmpty) return;
    _baseUrl = trimmed;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefsKey, _baseUrl);
    notifyListeners();
  }
}