driver_tripz/lib/controller/functions/location_controller.dart

import 'dart:async';

import 'package:get/get.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:location/location.dart';

import '../../constant/box_name.dart';
import '../../constant/links.dart';
import '../../main.dart';
import '../../print.dart';
import '../home/captin/home_captain_controller.dart';
import '../home/payment/captain_wallet_controller.dart';
import 'crud.dart';

class LocationController extends GetxController {
  LocationData? _currentLocation;
  late Location location = Location();
  bool isLoading = false;
  late double heading = 0;
  late double accuracy = 0;
  late double previousTime = 0;
  late double latitude;
  late double totalDistance = 0;
  late double longitude;
  late DateTime time;
  late double speed = 0;
  late double speedAccuracy = 0;
  late double headingAccuracy = 0;
  bool isActive = false;
  late LatLng myLocation = LatLng(0, 0); // Default value
  String totalPoints = '0';
  LocationData? get currentLocation => _currentLocation;
  Timer? _locationTimer;

  @override
  void onInit() async {
    super.onInit();
    location = Location(); // Initialize the location object
    await getLocation(); // Fetch the location immediately
    startLocationUpdates(); // Start periodic location updates

    totalPoints = Get.put(CaptainWalletController()).totalPoints.toString();
    isActive = Get.put(HomeCaptainController()).isActive;
  }

  // String getLocationArea(double latitude, double longitude) {
  //   if (latitude >= 29.918901 &&
  //       latitude <= 30.198857 &&
  //       longitude >= 31.215009 &&
  //       longitude <= 31.532186) {
  //     return 'Cairo';
  //   } else if (latitude >= 29.904975 &&
  //       latitude <= 30.143372 &&
  //       longitude >= 30.787030 &&
  //       longitude <= 31.215009) {
  //     return 'Giza';
  //   } else if (latitude >= 30.396286 &&
  //       latitude <= 31.654458 &&
  //       longitude >= 29.041139 &&
  //       longitude <= 32.626259) {
  //     return 'Alexandria';
  //   } else {
  //     return 'Cairo';
  //   }
  // }
  String getLocationArea(double latitude, double longitude) {
    final locations = box.read(BoxName.locationName) ?? [];
    for (final location in locations) {
      final locationData = location as Map<String, dynamic>;

      // Debugging: Print location data
      print('Location Data: $locationData');

      // Convert string values to double
      final minLatitude =
          double.tryParse(locationData['min_latitude'].toString()) ?? 0.0;
      final maxLatitude =
          double.tryParse(locationData['max_latitude'].toString()) ?? 0.0;
      final minLongitude =
          double.tryParse(locationData['min_longitude'].toString()) ?? 0.0;
      final maxLongitude =
          double.tryParse(locationData['max_longitude'].toString()) ?? 0.0;

      // Debugging: Print converted values
      // print(
      //     'Converted Values: minLatitude=$minLatitude, maxLatitude=$maxLatitude, minLongitude=$minLongitude, maxLongitude=$maxLongitude');

      if (latitude >= minLatitude &&
          latitude <= maxLatitude &&
          longitude >= minLongitude &&
          longitude <= maxLongitude) {
        box.write(BoxName.serverChosen, locationData['server_link']);
        // Log.print(
        //     'locationData----server_link: ${locationData['server_link']}');
        return locationData['name'];
      }
    }

    // Default case
    box.write(BoxName.serverChosen, AppLink.seferCairoServer);
    return 'Cairo';
  }

  Future<void> startLocationUpdates() async {
    if (box.read(BoxName.driverID) != null) {
      if (location == null) {
        location = Location(); // Ensure location is initialized
      }

      _locationTimer =
          Timer.periodic(const Duration(seconds: 5), (timer) async {
        try {
          totalPoints =
              Get.find<CaptainWalletController>().totalPoints.toString();
          isActive = Get.find<HomeCaptainController>().isActive;

          if (isActive) {
            if (double.parse(totalPoints) > -300) {
              await getLocation();
              if (myLocation == null) {
                return;
              }
              // print(
              //     'Latitude: ${myLocation.latitude}, Longitude: ${myLocation.longitude}');

              String area =
                  getLocationArea(myLocation.latitude, myLocation.longitude);
              print('Determined Area: $area');

              if (box.read(BoxName.driverID) != null) {
                await CRUD().post(
                    link: box.read(BoxName.serverChosen) +
                        '/ride/location/add.php',
                    payload: {
                      'driver_id': box.read(BoxName.driverID).toString(),
                      'latitude': myLocation.latitude.toString(),
                      'longitude': myLocation.longitude.toString(),
                      'heading': heading.toString(),
                      'speed': (speed * 3.6).toStringAsFixed(1),
                      'distance': totalDistance == 0 && (speed * 3.6) < 5
                          ? '0.0'
                          : totalDistance < 7
                              ? totalDistance.toStringAsFixed(3)
                              : totalDistance.toStringAsFixed(1),
                      'status': box.read(BoxName.statusDriverLocation) ?? 'off',
                    });

                Get.find<HomeCaptainController>()
                    .mapHomeCaptainController
                    ?.animateCamera(
                      CameraUpdate.newLatLng(
                        LatLng(
                          Get.find<LocationController>().myLocation.latitude,
                          Get.find<LocationController>().myLocation.longitude,
                        ),
                      ),
                    );
              }
            }
          }
        } catch (e) {
          Log.print('Error during location update: $e');
        }
      });
    }
  }

  void stopLocationUpdates() {
    _locationTimer?.cancel();
  }

  Future<void> getLocation() async {
    if (location == null) {
      location = Location(); // Ensure location is initialized
    }

    bool serviceEnabled;
    PermissionStatus permissionGranted;

    serviceEnabled = await location.serviceEnabled();
    if (!serviceEnabled) {
      serviceEnabled = await location.requestService();
      if (!serviceEnabled) {
        return;
      }
    }

    permissionGranted = await location.hasPermission();
    if (permissionGranted == PermissionStatus.denied) {
      permissionGranted = await location.requestPermission();
      if (permissionGranted != PermissionStatus.granted) {
        return;
      }
    }

    LocationData _locationData = await location.getLocation();
    if (_locationData.latitude != null && _locationData.longitude != null) {
      myLocation = LatLng(_locationData.latitude!, _locationData.longitude!);
    } else {
      myLocation = LatLng(0, 0); // Default value
    }

    speed = _locationData.speed ?? 0;
    heading = _locationData.heading ?? 0;

    if (Get.find<HomeCaptainController>().rideId == 'rideId') {
      if (previousTime > 0) {
        double distance = calculateDistanceInKmPerHour(
            previousTime, _locationData.time, speed);
        totalDistance += distance;
      }
      previousTime = _locationData.time ?? 0;
    }

    update();
  }

  double calculateDistanceInKmPerHour(
      double? startTime, double? endTime, double speedInMetersPerSecond) {
    double timeDifferenceInHours =
        (endTime ?? 0 - startTime! ?? 0) / 1000 / 3600;
    double speedInKmPerHour = speedInMetersPerSecond * 3.6;
    double distanceInKilometers = speedInKmPerHour * timeDifferenceInHours;
    double distanceInMeters = distanceInKilometers * 1000;
    return distanceInMeters < 5 ? 0 : distanceInKilometers;
  }
}