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// SPDX-License-Identifier: Apache-2.0
import 'dart:async';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:flutter_navigation/config.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:latlong2/latlong.dart';
import 'package:flutter_navigation/kuksa/class-provider.dart';
import 'package:flutter_navigation/kuksa/class.dart';
import 'package:flutter_navigation/provider.dart';
import 'map-response.dart';
class TurnNavigation extends ConsumerStatefulWidget {
TurnNavigation({Key? key,}) : super(key: key);
@override
ConsumerState<TurnNavigation> createState() => _TurnNavigationState();
}
class _TurnNavigationState extends ConsumerState<TurnNavigation> {
late Timer timer;
late MapController mapController;
List<LatLng> polyLine = [];
String ConvertToTime(num duration){
int hour = (duration/3600).toInt();
int min = (duration%3600).toInt() ;
min = (min/60).toInt();
String mini = min.toString();
String Hour = hour.toString();
String time = "$Hour hr $mini min";
return time;
}
@override
void initState() {
// TODO: implement initState
super.initState();
mapController = MapController();
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
timer = Timer.periodic(Duration(seconds: 7), (timer) async{
VehicleSignal vehicleSignal = ref.read(vehicleSignalProvider);
LatLng current = LatLng(vehicleSignal.currentLatitude, vehicleSignal.currentLongitude);
mapController.move(current, 18);
LatLng destination = LatLng(vehicleSignal.destinationLatitude,vehicleSignal.destinationLongitude);
Map RouteResponse = await getDirectionsAPIResponse(current,destination,ref);
if(RouteResponse.isNotEmpty){
List RouteCoordinates = RouteResponse['geometry']['coordinates'];
Map steps = RouteResponse['legs']['steps'][0];
ref.read(Infoprovider.notifier).update(Duration: RouteResponse['duration'],
Distance: RouteResponse['distance'], instruction: steps['maneuver']['instruction']);
List<LatLng> currpolyline =[];
for(int i =0; i<RouteCoordinates.length ;i++){
currpolyline.add(LatLng((RouteCoordinates[i][1]).toDouble(),(RouteCoordinates[i][0]).toDouble()));
}
ref.read(polylineprovider.notifier).update(currpolyline);
double rotationDegree = 0;
int n = currpolyline.length;
if (currpolyline.isNotEmpty && n > 1) {
rotationDegree = calcAngle(
currpolyline[0], currpolyline[1]);
rotationDegree = (rotationDegree.isNaN) ? 0 : rotationDegree;
}
mapController.rotate(-1 * rotationDegree);
}
});
});
}
void dispose(){
super.dispose();
timer.cancel();
}
double tempangle = 0;
double calcAngle(LatLng a, LatLng b) {
List<double> newA = convertCoord(a);
List<double> newB = convertCoord(b);
double slope = (newB[1] - newA[1]) / (newB[0] - newA[0]);
return ((atan(slope) * 180) / pi);
}
List<double> convertCoord(LatLng coord) {
double oldLat = coord.latitude;
double oldLong = coord.longitude;
double newLong = (oldLong * 20037508.34 / 180);
double newlat =
(log(tan((90 + oldLat) * pi / 360)) / (pi / 180)) * (20037508.34 / 180);
return [newlat, newLong];
}
@override
Widget build(BuildContext context) {
VehicleSignal vehicleSignal = ref.watch(vehicleSignalProvider);
LatLng currPos = LatLng(vehicleSignal.currentLatitude, vehicleSignal.currentLongitude);
polyLine = ref.watch(polylineprovider);
info routeinfo = ref.watch(Infoprovider);
final config = ref.read(ConfigStateprovider);
return Scaffold(
body: Stack(
children: [
FlutterMap(
mapController: mapController,
options: MapOptions(
center: currPos,
minZoom: 1,
zoom: 12,
maxZoom: 30.0,
keepAlive: true,
),
layers: [
TileLayerOptions(
urlTemplate: "https://api.mapbox.com/styles/v1/hritik3961/cl7hxzrrf002t15o2j2yh14lm/tiles/256/{z}/{x}/{y}@2x?access_token=${config.mapboxAccessToken}",
additionalOptions: {
"access_token": config.mapboxAccessToken,
},
),
if (polyLine.isNotEmpty)
PolylineLayerOptions(
polylineCulling: false,
polylines: [
Polyline(
strokeWidth: 3,
points: polyLine,
color: Colors.purple,
),
],
),
MarkerLayerOptions(
rotate: true,
markers: [
Marker(
point: currPos,
width: 70,
height: 70,
builder: (context) =>
const Icon(
Icons.circle,
size: 40,
color: Colors.green,
)
),
],
),
],
),
Container(
alignment: Alignment.bottomCenter,
child: Card(
color: Colors.black54,
elevation: 5,
child: ListTile(
leading: Icon(Icons.drive_eta_rounded,color: Colors.greenAccent,),
title: Text(routeinfo.instruction,style: TextStyle(
color: Colors.white,
fontWeight: FontWeight.bold,
),),
subtitle: Text('Remaining Distance : ${(routeinfo.Distance/1000).toInt().toString()} KM',style: TextStyle(
color: Colors.white,
fontWeight: FontWeight.bold,
),),
trailing: Text('Remaining Time : ${ConvertToTime(routeinfo.Duration)}',style: TextStyle(
color: Colors.white,
fontWeight: FontWeight.bold,
),),
),
),
),
Container(
alignment: Alignment.topLeft,
child :IconButton(
icon: Icon(Icons.arrow_back),
onPressed: (){
Navigator.pop(context);
},
)
),
],
),
);
}
}
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