trackoffical_app/lib/service/game/game_instance_orienteering_assistant.dart

import 'package:trackoffical_app/service/game/plug_sport_wear2.dart';
import 'package:trackoffical_app/utils.dart';

import 'plug_location2.dart';
import 'plug_orientation2.dart';
import 'game_instance.dart';

class GameInstanceOrienteeringAssistant extends GameInstance {

  void onSwitch(){
    if(isStart.value){
      isStart.value = false;
      plugSportWear.stop();
    }else{
      startAt = DateTime.now();
      distance.value=0.meter;
      pace.value=0.seconds;
      duration.value=0.seconds;
      isStart.value=true;
      plugSportWear.start();
    }
  }

  void _onRcvLocation(MPosition p){
    if(isStart.value){
      final last = lastLocation;
      if(last!= null){
        distance.value = distance.value + p.distance(last);
        pace.value = pacePerKm(distance.value, duration.value);
      }
    }
    lastLocation=p;
  }

  @override
  Future<void> onInit() async{
    listenRx(_plugLocation.location, (event) {
      if(event!= null){
        _onRcvLocation(event);
      }
    });

    addTimer(100.milliseconds, () {
      if(isStart.value){
        duration.value = DateTime.now().difference(startAt);
      }
    });

    plugs.addAll([
      _plugOrientation,
      _plugLocation,
      plugSportWear,
    ]);
  }

  var startAt = DateTime.now();
    MPosition? lastLocation;
  Rx<double> get compassRadiansSrc => _plugOrientation.compassRadiansSrc;
  final distance = 0.meter.obs;
  final pace = 0.seconds.obs;
  final duration = 0.seconds.obs;
  final isStart = false.obs;
  final _plugOrientation = PlugOrientation();
  final _plugLocation = PlugLocation();
  final plugSportWear = PlugSportWear();
}