import 'dart:convert';
import 'dart:io';

import 'package:camera_camera/camera_camera.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:geojson/geojson.dart';
import 'package:geolocator/geolocator.dart';
import 'package:get/get.dart';
import 'package:latlong2/latlong.dart';
import 'package:rogapp/model/Rogaining.dart';
import 'package:rogapp/model/destination.dart';
import 'package:rogapp/pages/index/index_controller.dart';
import 'package:rogapp/routes/app_pages.dart';
import 'package:rogapp/services/action_service.dart';
import 'package:rogapp/services/destination_service.dart';
import 'package:rogapp/services/maxtrix_service.dart';
import 'package:rogapp/services/reacking_service.dart';
import 'package:rogapp/utils/database_helper.dart';
import 'dart:async';

import 'package:rogapp/widgets/bottom_sheet_widget.dart';
import 'package:sqflite/sqlite_api.dart';

class DestinationController extends GetxController {

  late LocationSettings locationSettings;

  var destinationCount = 0.obs;
  List<Destination> destinations = <Destination>[].obs;
  List<Map<String, dynamic>> destination_index_data = <Map<String, dynamic>>[].obs;
  double current_lat = 0.0;
  double current_lon = 0.0;

  List<Destination> currentSelectedDestinations = <Destination>[].obs;

  var is_in_rog = false.obs;
  List<Rogaining> rogainings = <Rogaining>[].obs;

  bool checking_in = false;
  var isSelected = false.obs;
  BuildContext? context;

  List<String> gps = <String>["-- stating --"].obs;
  List<String> locationPermission = <String>[" -- starting -- "].obs;

  var travelMode = 0.obs;


  Map<String, dynamic> matrix = {};

  final photos = <File>[].obs;

  final IndexController indexController = Get.find<IndexController>();

  Timer? _timer;
  int _start = 1;
  var rogaining_counted = false.obs;

  void startTimer(Destination d, double distance) {
    const oneSec = const Duration(seconds: 1);
    _timer = Timer.periodic(
      oneSec,
      (Timer timer) {
        if (_start == 0) {
          if(is_in_rog.value == false){
            is_in_rog.value = true;
            addToRogaining(current_lat, current_lon, d.location_id!);
            Get.snackbar("Rogaining Started ", "Rogaining session started");
          }
          else{
            //finish rogiain
            //is_in_rog.value = true;
            if (rogaining_counted.value && distance <=250){
              Get.toNamed(AppPages.CAMERA_PAGE);
            }
          }
          timer.cancel();
        } else {
          _start--;
        }
      },
    );
  }

  void openCamera(BuildContext context) {
    photos.clear();
    Navigator.push(
        context,
        MaterialPageRoute(
            builder: (_) => CameraCamera(
              onFile: (file) {
                photos.add(file);
                Navigator.pop(context);
                print("----image file is : ${file}----");
                    //setState(() {});
                  },
        )));
  }


  void getRoutePoints() {
    indexController.routePoints = [];
    indexController.routePointLenght.value = 0;
    DestinationService.getDestinationLine(destinations, matrix)?.then((value){
      indexController.routePoints = value;
      indexController.routePointLenght.value = indexController.routePoints.length;
    });
  }

  Future<Destination?> getDEstinationForLatLong(double lat, double long)async {
      
      String jjjj = '{"id":1,"type":"Feature","geometry":{"type":"MultiPoint","coordinates":[[136.731357,35.370094]]},"properties":{"location_id":915101,"location_name":"柳津","category":"買い物","zip":"〒501-6100","address":"柳津町字仙右城7696-1"}}';

      for(final d in destinations){
          if(lat == d.lat && long == d.lon){
            return d;
          }
        }
  }

  // void addToRogaining(Rogaining rog){
  //   DatabaseHelper db = DatabaseHelper.instance;
  //   db.insertRogaining(rog);
  // }

  checkForCheckin(double la, double ln){
    
    for(final d in destinations){

      if(!checking_in)
      {
        checking_in = true;
        double lat = d.lat!;
        double lon = d.lon!;
        LatLng p = LatLng(lat, lon);
        getDEstinationForLatLong(lat, lon).then((value){
          var distance = Distance();
          double dist = distance.as(LengthUnit.Meter, LatLng(lat, lon), LatLng(la, ln));
          double rad = value!.checkin_radious ?? double.infinity;
          bool auto_checkin = value.auto_checkin == 0 ? false : true;

          if(d.cp != -1 && is_in_rog == true){
            rogaining_counted.value == true;
          }

          if(d.cp == -1 && dist <= 250 && rogaining_counted.value == false){
            startTimer(d, dist);
          }

          indexController.currentDestinationFeature.add(value);
          //indexController.getAction();


          if(rad >= dist){
            if(auto_checkin){
            makeCheckin(value, true); 
            }
            else{
              // showModalBottomSheet(context: Get.context!, isScrollControlled: true, 
              //                         builder:((context) => BottomSheetWidget())
              //                       ).whenComplete((){
              //                         checking_in = false;
              //                       });
            }
          }
          

          // if(!checking_in){
          //   checking_in = true;
          //   if(rad >= dist){
          //     if(auto_checkin){
          //       if(indexController.currentAction.isNotEmpty){
          //             print(indexController.currentAction[0]);
          //             indexController.currentAction[0][0]["checkin"] = true;
          //             Map<String,dynamic> temp = Map<String,dynamic>.from(indexController.currentAction[0][0]);
          //             indexController.currentAction.clear();
          //             print("---temp---${temp}");  
          //             indexController.currentAction.add([temp]);
          //           }
          //           indexController.makeAction(Get.context!);
          //     }
          //     else{
          //       showModalBottomSheet(context: Get.context!, isScrollControlled: true, 
          //                             builder:((context) => BottomSheetWidget())
          //                           ).whenComplete((){
          //                             checking_in = false;
          //                           });
          //     }
          //   }
          // }
        });

      }

    }
  }

  void addToRogaining(double lat, double lon, int destination_id){
    Rogaining rog = Rogaining(
      rog_id: null,
      course_id: 1,
      user_id: indexController.currentUser[0]['user']['id'],
      location_id: destination_id,
      lat: lat,
      lon:lon,
      time_stamp: DateTime.now().toUtc().microsecondsSinceEpoch
    );
    DatabaseHelper db = DatabaseHelper.instance;
    db.insertRogaining(rog).then((value){
      print("----- inserted value ${value} ---------");
    });
  }

  void makeCheckin(Destination destination, bool action) async {
    print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ressssss ${action}@@@@@@@@@@@");
    DatabaseHelper db = DatabaseHelper.instance;
    int res = await db.updateAction(destination, action);

    List<Destination> ddd = await db.getDestinationByLatLon(destination.lat!, destination.lon!);
    print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ddddd ${ddd[0].checkedin}  @@@@@@@@@@@");

    print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ressssss ${res}@@@@@@@@@@@");
    PopulateDestinations();
     print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ after populating ${res}   @@@@@@@@@@@");
    print("---- database update resulr ------ res : ${res}-------");

    /// post to NATNAT
    if(indexController.currentUser.length > 0){
      String cp_num = destination.cp.toString();
      String team_name = indexController.currentUser[0]['user']['group'];
      ActionService.postCheckin(cp_num, team_name).then((value){
        print('------- NATNAT RES ${value} ------------');
      });
    }
  }


  @override
  void onInit() async {
    checkPermission();
    PopulateDestinations();
    
    //print("------ in iniit");



    if (defaultTargetPlatform == TargetPlatform.android) {
      locationSettings = AndroidSettings(
        accuracy: LocationAccuracy.bestForNavigation,
        distanceFilter: 00,
        forceLocationManager: true,
        intervalDuration: const Duration(seconds: 1),
        //(Optional) Set foreground notification config to keep the app alive 
        //when going to the background
        foregroundNotificationConfig: const ForegroundNotificationConfig(
            notificationText:
            "Example app will continue to receive your location even when you aren't using it",
            notificationTitle: "Running in Background",
            enableWakeLock: true,
        )
      );
    } else if (defaultTargetPlatform == TargetPlatform.iOS || defaultTargetPlatform == TargetPlatform.macOS) {
      locationSettings = AppleSettings(
        accuracy: LocationAccuracy.bestForNavigation,
        activityType: ActivityType.fitness,
        distanceFilter: 1,
        pauseLocationUpdatesAutomatically: false,
        // Only set to true if our app will be started up in the background.
        showBackgroundLocationIndicator: true
      );
    } else {
        locationSettings = LocationSettings(
        accuracy: LocationAccuracy.high,
        distanceFilter: 30,
      );
    }

    try {

      StreamSubscription<Position> positionStream = Geolocator.getPositionStream(locationSettings: locationSettings).listen(

      (Position? position) {
        current_lat = position != null ? position.latitude : 0;
        current_lon = position != null ? position.longitude : 0;

        if(isSelected.value){
          double czoom = indexController.rogMapController!.zoom;
          indexController.rogMapController!.move(LatLng(position!.latitude, position!.longitude), czoom);
          //String user_id = indexController.currentUser[0]["user"]["id"].toString();
          //TrackingService.addTrack(user_id, position!.latitude, position.longitude).then((val){
            //print("---- postion is ${position.latitude},  ${position.longitude}");
            gps.clear();
            gps.add("-- lat : ${position.latitude}, lon : ${position.longitude} --");
            checkForCheckin(position!.latitude, position.longitude);
          //});
          
        }
          //print(position == null ? 'Unknown' : 'current position is ${position.latitude.toString()}, ${position.longitude.toString()}');
      });
    } catch (err){
      locationPermission.clear();
      locationPermission.add(err.toString());
    }

    super.onInit();

  }

  void checkPermission() async {
     LocationPermission permission = await Geolocator.checkPermission();
    if (permission != LocationPermission.whileInUse ||
        permission != LocationPermission.always) {
          locationPermission.clear();
          locationPermission.add(permission.name);
      permission = await Geolocator.requestPermission();
    }
  }

  Destination? destinationById(int id){
    Destination? d = null;
    print("--- target des - ${id} ----");
    for(Destination ss in destinations){
      print("--- des - ${ss.location_id} ----");
      if(ss.location_id == id){
        d = ss;
        break;
      }
    }
    return d;
  }

  void deleteDestination(Destination d){
    //int id = destinations[index].location_id!;
    //print("---- index ${destinations[index].location_id!}-----");
    for(Destination ss in currentSelectedDestinations){
      if(ss.location_id == d.location_id){
        currentSelectedDestinations.remove(ss);
        break;
      }
    }
    DatabaseHelper db = DatabaseHelper.instance;
    db.deleteDestination(d.location_id!).then((value){
      PopulateDestinations();
    });
  }

  void deleteAllDestinations(){
    DatabaseHelper db = DatabaseHelper.instance;
    db.deleteAllDestinations().then((value){
      PopulateDestinations();
    });
  }

    // ---------- database ------------------///

  void addDestinations(Destination dest){

    print('------ destination controller in add destination ${dest.name} ---- :::::');

    DatabaseHelper db = DatabaseHelper.instance;
    db.getDestinationByLatLon(dest.lat!, dest.lon!).then((value){
      if(value.isNotEmpty){
        db.deleteDestination(value[0].location_id!).then((value){
          db.insertDestination(dest).then((value){
            print("----- destination controller   deleted and inserted destination id $value ---- :::::");
            PopulateDestinations();
          });
        });
      }
      else {
         db.insertDestination(dest).then((value){
            print("----- destination controller  added as new ${value}--- :::::");
            PopulateDestinations();
          });
      }
    });

  }

  void PopulateDestinations(){
    print("--------- destination controller  populsting destinations ----------- ::::::");

    DatabaseHelper db = DatabaseHelper.instance;
    destinations.clear();
    db.getDestinations().then((value){
      destinationCount.value = 0;
      for(Destination d in value){
        for(Destination s in currentSelectedDestinations){
          if(d.location_id == s.location_id){
            d.selected = !d.selected!;
          }
        }

        destinations.add(d);
      }
     // destinationCount.value = 0;
      print("------ destination controller destinationcount-------- ${destinationCount}-------- :::::");


      MatrixService.getDestinations(value).then((mat){
      print(" matrix is  -------  ${mat}");
      matrix = mat;

      getRoutePoints();
      destinationCount.value = destinations.length;

    });
    });

  }
  

  void makeOrder(Destination d, int dir){
    DatabaseHelper db = DatabaseHelper.instance;
    db.updateOrder(d, dir).then((value){
      PopulateDestinations();
    });
  }


  void makeNext(Destination pt){

    for(int i=0; i<= destinations.length - 1; i++){
      Destination p = destinations[i];

      if(p.lat == pt.lat && p.lon == pt.lon ){
          
          if(indexController.currentDestinationFeature.isNotEmpty){
            indexController.currentDestinationFeature.clear();
          }
          if(i >= destinations.length - 1 ){
            indexController.currentDestinationFeature.add(destinations[0]);
            //getAction();
          }
          else{
            indexController.currentDestinationFeature.add(destinations[i + 1]);
            //getAction();
          }
      }
    }

  }

  void makePrevious(Destination pt){

    for(int i=0; i<= destinations.length - 1; i++){
      Destination p = destinations[i];

      if(p.lat == pt.lat && p.lon == pt.lon ){
          
          if(indexController.currentDestinationFeature.isNotEmpty){
            indexController.currentDestinationFeature.clear();
          }
          if(i <= 0){
            indexController.currentDestinationFeature.add(destinations[destinations.length -1]);
            //getAction();
          }
          else{
            indexController.currentDestinationFeature.add(destinations[i - 1]);
            //getAction();
          }
      }
    }

  }


}