import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:trackoffical_app/appcore/map_package.dart';
import 'package:trackoffical_app/utils.dart';
import 'package:trackoffical_app/pb.dart' as pb;
import 'package:trackoffical_app/model/m_position.dart' as m;

class GameMap {
  String url = '';
  Uint8List md5 = Uint8List(0);
  Uint8List? data;
  Uint8List? pic;
  MapPackage? mapPackage;
  double width = 0;
  double height = 0;
  bool isLoaded = false;
  Distance mapWidth=0.meter;

  String? get md5Hex {
    if (md5.isEmpty) {
      return null;
    } else {
      return md5.toHexString();
    }
  }

  Future<Offset>  worldToPixel(m.MPosition position) async{
    var d = await mapPackage?.positionToPic(position);
    return d?? Offset.zero;
  }

  Future<m.MPosition> pixelToWorld(Offset offset) async{
    final d = await mapPackage?.picToPosition(offset);
    return d??m.MPosition();
  }

}

extension PbNetImageExtension2 on pb.NetImage {
  GameMap toGameMap() {
    return GameMap()
      ..url = url
      ..md5 = Uint8List.fromList(md5);
  }
}