import 'package:custom_info_window/custom_info_window.dart';
import 'package:flutter/cupertino.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:itp_app2/util/custom_info_window.dart';

class MapService {
  MapService._();

  static MapService _instance;

  static MapService get instance {
    _instance ??= MapService._();
    return _instance;
  }

  final String baseUrl = "https://maps.googleapis.com/maps/api/directions/json";

  Duration duration = const Duration(milliseconds: 100);

  ValueNotifier<Set<Marker>> markers = ValueNotifier<Set<Marker>>({});

  CustomInfoWindowController controller = CustomInfoWindowController();

  Marker getSingleMarker(String markerId) {
    return markers.value.firstWhere((element) => element.markerId == MarkerId(markerId), orElse: () => null);
  }

  Future<Set<Marker>> addMarker(String markerId, LatLng latlng, String imageUrl, String title, BitmapDescriptor descriptor, int attractionId, {@required InfoWindowType type}) async {
    final marker = Marker(
        markerId: MarkerId(markerId),
        position: latlng,
        icon: descriptor,
        onTap: () {
          controller.addInfoWindow(
              CustomWindow(
                info: CityCabInfoWindow(
                  name: "$title",
                  position: latlng,
                  type: type,
                  attractionId: attractionId,
                  imageUrl: imageUrl,
                  time: duration,
                ),
              ),
              latlng);
        });
    try {
      final markerPosition = markers.value.firstWhere((marker) => marker.markerId.value == markerId);
      markerPosition.copyWith(positionParam: latlng);
      return markers.value;
    } catch (e) {
      markers.value.add(marker);
      return markers.value;
    }
  }
}