import 'package:geojson/geojson.dart';
import 'package:get/get.dart';
import 'package:rogapp/services/location_service.dart';

class HomeController extends GetxController {

  List<GeoJsonFeatureCollection> locations = <GeoJsonFeatureCollection>[].obs;
  List<GeoJsonFeature> currentFeature = <GeoJsonFeature>[].obs;


  @override
  void onInit() {
    super.onInit();
    LocationService.loadLocations().then((value){
      locations.add(value!);
    });
  }

    GeoJsonFeature? getFeatureForLatLong(double lat, double long){
      if(locations.length > 0){
          for(GeoJsonFeature i in locations[0].collection){
            GeoJsonMultiPoint p = i.geometry as GeoJsonMultiPoint;
            if(p.geoSerie!.geoPoints[0].latitude == lat && p.geoSerie!.geoPoints[0].longitude  == long){
              return i;
          }
        }
      }
  }

  void makeNext(GeoJsonFeature fs){
    GeoJsonFeature<GeoJsonMultiPoint> pt = fs  as GeoJsonFeature<GeoJsonMultiPoint>;

    for(int i=0; i<= locations[0].collection.length - 1; i++){
      GeoJsonMultiPoint p = locations[0].collection[i].geometry as GeoJsonMultiPoint;

      if(p.geoSerie!.geoPoints[0].latitude == pt.geometry!.geoSerie!.geoPoints[0].latitude && p.geoSerie!.geoPoints[0].longitude  == pt.geometry!.geoSerie!.geoPoints[0].longitude ){
          
          if(currentFeature.length > 0){
            currentFeature.clear();
          }
          if(i >= locations[0].collection.length - 1 ){
            currentFeature.add(locations[0].collection[0] as GeoJsonFeature);
          }
          else{
            currentFeature.add(locations[0].collection[i + 1] as GeoJsonFeature);
          }
      }
    }

  }
  
}