import '../../../core/api/api_client.dart';
import 'models/place_model.dart';
import 'models/route_model.dart';

/// نقطة وصول وحيدة لبيانات الخرائط — كل نداء يمرّ عبر سيرفرنا
/// (docs/23 §4) لحماية المفتاح وتفعيل التخزين المؤقت على Redis.
class MapsRepository {
  final ApiClient _api;
  MapsRepository(this._api);

  /// بحث مكاني — يمرّ عبر `GET /maps/geocode`.
  Future<List<PlaceModel>> autocomplete(String query) async {
    if (query.trim().length < 2) return [];
    final r = await _api.dio.get(
      '/maps/geocode',
      queryParameters: {'q': query.trim(), 'country': 'JO'},
    );
    final items = (r.data['items'] ?? r.data ?? []) as List;
    return items
        .map((e) => PlaceModel.fromJson(e as Map<String, dynamic>))
        .toList();
  }

  /// بحث حرّ (geocode).
  Future<List<PlaceModel>> geocode(String query) async {
    if (query.trim().length < 2) return [];
    final r = await _api.dio.get(
      '/maps/geocode',
      queryParameters: {'q': query.trim(), 'country': 'JO'},
    );
    final items = (r.data['items'] ?? r.data ?? []) as List;
    return items
        .map((e) => PlaceModel.fromJson(e as Map<String, dynamic>))
        .toList();
  }

  /// تفكيك عنوان عكسي (إحداثيات → نص).
  Future<PlaceModel> reverseGeocode(double lat, double lng) async {
    final r = await _api.dio.get(
      '/maps/reverse',
      queryParameters: {'lat': lat, 'lng': lng},
    );
    final j = r.data as Map<String, dynamic>;
    return PlaceModel.fromJson({
      'name': j['formattedAddress'] ?? '',
      'address': j['formattedAddress'],
      'lat': lat,
      'lng': lng,
    });
  }

  /// تفاصيل مكان بالـ placeId — يمرّ عبر geocode.
  Future<PlaceModel> placeDetails(String placeId) async {
    final r = await _api.dio.get(
      '/maps/geocode',
      queryParameters: {'q': placeId, 'country': 'JO'},
    );
    final items = (r.data['items'] ?? r.data ?? []) as List;
    if (items.isEmpty) {
      throw Exception('Place not found');
    }
    return PlaceModel.fromJson(items.first as Map<String, dynamic>);
  }

  /// حساب المسار بين نقطتين.
  Future<RouteModel> getRoute({
    required double fromLat,
    required double fromLng,
    required double toLat,
    required double toLng,
  }) async {
    final r = await _api.dio.get(
      '/maps/route',
      queryParameters: {
        'fromLat': fromLat,
        'fromLng': fromLng,
        'toLat': toLat,
        'toLng': toLng,
      },
    );
    return RouteModel.fromJson(r.data as Map<String, dynamic>);
  }
}