part of 'deliveries.dart';

class _StepPoint {
  final int step;
  final LatLng position;
  _StepPoint(this.step, this.position);
}

// -------------------------------------------------------------------------
// MULTI CUSTOMER MAP (Shows all deliveries with real step numbers)
// -------------------------------------------------------------------------
class MultiCustomerMapScreen extends StatefulWidget {
  final List<Map<String, dynamic>> deliveries;
  final Map<String, int> preservedStepNumbers;

  const MultiCustomerMapScreen({
    super.key,
    required this.deliveries,
    this.preservedStepNumbers = const {},
  });

  @override
  State<MultiCustomerMapScreen> createState() => _MultiCustomerMapScreenState();
}

class _MultiCustomerMapScreenState extends State<MultiCustomerMapScreen> {
  GoogleMapController? mapController;
  Set<Marker> markers = {};
  Set<Polyline> polylines = {};
  LatLng? currentLocation;
  bool _isLoading = true;
  bool _mapReady = false;
  final PolylinePoints _polylinePoints = PolylinePoints(
    apiKey: 'AIzaSyBhkGfnq27sN0wV5y_S-M2KojpFTk_by-Q',
  );
  final Map<String, Map<String, dynamic>> _deliveryMap = {};

  @override
  void initState() {
    super.initState();
    if (widget.deliveries.isNotEmpty) {
      final firstDelivery = widget.deliveries.first;
      final dropLat = _parseD(
        firstDelivery['droplat'] ?? firstDelivery['deliverylat'] ?? 0,
      );
      final dropLon = _parseD(
        firstDelivery['droplon'] ?? firstDelivery['deliverylong'] ?? 0,
      );
      if (dropLat != 0 && dropLon != 0) {
        currentLocation = LatLng(dropLat, dropLon);
      } else {
        currentLocation = const LatLng(11.018356, 77.012596);
      }
    } else {
      currentLocation = const LatLng(11.018356, 77.012596);
    }
    _loadMapData();
  }

  double _parseD(dynamic v) {
    if (v == null) return 0.0;
    if (v is num) return v.toDouble();
    return double.tryParse(v.toString()) ?? 0.0;
  }

  int _getStepNumber(Map<String, dynamic> order) {
    final dynamic raw = order['step'] ?? order['Step'];
    final int step = raw == null
        ? 0
        : (raw is num ? raw.toInt() : int.tryParse(raw.toString()) ?? 0);
    return step;
  }

  String _getOrderKey(Map<String, dynamic> order) {
    final deliveryId = (order['deliveryid'] ?? '').toString();
    final orderId = (order['orderid'] ?? '').toString();
    return deliveryId.isNotEmpty ? 'delivery_$deliveryId' : 'order_$orderId';
  }

  int _getPreservedOrCurrentStep(Map<String, dynamic> order) {
    final orderKey = _getOrderKey(order);
    if (widget.preservedStepNumbers.containsKey(orderKey)) {
      return widget.preservedStepNumbers[orderKey]!;
    }
    final currentStep = _getStepNumber(order);
    return currentStep;
  }

  Future<void> _loadMapData() async {
    try {
      if (mounted) {
        setState(() {
          _isLoading = false;
        });
      }

      _getCurrentLocation().then((_) {
        if (mounted) {
          _createDeliveryMarkers();
        }
      });
    } catch (e) {
      debugPrint('[CUSTOMER_MAP] Error loading map data: $e');
      if (mounted) {
        setState(() => _isLoading = false);
      }
    }
  }

  Future<void> _getCurrentLocation() async {
    try {
      bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
      if (!serviceEnabled) {
        final lastPos = await Geolocator.getLastKnownPosition();
        if (lastPos != null && mounted) {
          setState(() {
            currentLocation = LatLng(lastPos.latitude, lastPos.longitude);
          });
        }
        return;
      }

      LocationPermission permission = await Geolocator.checkPermission();
      if (permission == LocationPermission.denied) {
        permission = await Geolocator.requestPermission();
        if (permission == LocationPermission.denied) {
          final lastPos = await Geolocator.getLastKnownPosition();
          if (lastPos != null && mounted) {
            setState(() {
              currentLocation = LatLng(lastPos.latitude, lastPos.longitude);
            });
          }
          return;
        }
      }

      Position? position;
      try {
        position = await Geolocator.getCurrentPosition(
          locationSettings: const LocationSettings(
            accuracy: LocationAccuracy.medium,
            distanceFilter: 0,
            timeLimit: Duration(seconds: 5),
          ),
        );
      } catch (e) {
        debugPrint(
          '[CUSTOMER_MAP] Timeout getting location, using last known: $e',
        );
        position = await Geolocator.getLastKnownPosition();
      }

      final safePosition = position;
      if (safePosition != null && mounted) {
        setState(() {
          currentLocation = LatLng(
            safePosition.latitude,
            safePosition.longitude,
          );
        });
      }
    } catch (e) {
      debugPrint('[CUSTOMER_MAP] Error getting location: $e');
      try {
        final lastPos = await Geolocator.getLastKnownPosition();
        if (lastPos != null && mounted) {
          setState(() {
            currentLocation = LatLng(lastPos.latitude, lastPos.longitude);
          });
        }
      } catch (_) {}
    }
  }

  int? _getNextDeliveryStep() {
    // Find the first non-skipped delivery (next delivery from user location)
    for (int i = 0; i < widget.deliveries.length; i++) {
      final delivery = widget.deliveries[i];
      final status = (delivery['orderstatus']?.toString().toLowerCase() ?? '')
          .trim();
      if (status != 'skipped') {
        final stepNumber = _getPreservedOrCurrentStep(delivery);
        if (stepNumber > 0) {
          return stepNumber;
        } else {
          // Calculate display step for orders without step
          final ordersWithStepBefore = widget.deliveries
              .sublist(0, i)
              .where((o) => _getPreservedOrCurrentStep(o) > 0)
              .length;
          final totalOrdersWithStep = widget.deliveries
              .where((o) => _getPreservedOrCurrentStep(o) > 0)
              .length;
          return totalOrdersWithStep + (i - ordersWithStepBefore) + 1;
        }
      }
    }
    return null;
  }

  Future<void> _createDeliveryMarkers() async {
    Set<Marker> tempMarkers = {};
    List<_StepPoint> stepPoints = [];
    _deliveryMap.clear();

    final nextStep = _getNextDeliveryStep();

    for (int i = 0; i < widget.deliveries.length; i++) {
      final delivery = widget.deliveries[i];
      final stepNumber = _getPreservedOrCurrentStep(delivery);

      int displayStep;
      if (stepNumber > 0) {
        displayStep = stepNumber;
      } else {
        final ordersWithStepBefore = widget.deliveries
            .sublist(0, i)
            .where((o) => _getPreservedOrCurrentStep(o) > 0)
            .length;
        final totalOrdersWithStep = widget.deliveries
            .where((o) => _getPreservedOrCurrentStep(o) > 0)
            .length;
        displayStep = totalOrdersWithStep + (i - ordersWithStepBefore) + 1;
      }

      final double lat = _parseD(
        delivery['droplat'] ?? delivery['deliverylat'],
      );
      final double lon = _parseD(
        delivery['droplon'] ?? delivery['deliverylong'],
      );
      if (lat == 0 || lon == 0) continue;

      final customerName = (delivery['deliverycustomer'] ?? 'Customer ${i + 1}')
          .toString();
      final orderId = (delivery['orderid'] ?? '').toString();
      final status = (delivery['orderstatus']?.toString().toLowerCase() ?? '')
          .trim();
      final isSkipped = status == 'skipped';
      final isNext = displayStep == nextStep;

      // Store delivery data for dialog
      _deliveryMap['delivery_$orderId'] = delivery;

      final icon = await _createCircularMarkerBitmap(
        displayStep,
        isSkipped: isSkipped,
        isNext: isNext,
      );

      tempMarkers.add(
        Marker(
          markerId: MarkerId('delivery_$orderId'),
          position: LatLng(lat, lon),
          icon: icon,
          infoWindow: InfoWindow(
            title: isSkipped
                ? 'Step $displayStep: $customerName (SKIPPED)'
                : 'Step $displayStep: $customerName',
            snippet: 'Order #$orderId',
          ),
          onTap: () {
            _showCustomerDetailsSheet(delivery, displayStep);
          },
        ),
      );

      stepPoints.add(_StepPoint(displayStep, LatLng(lat, lon)));
    }

    if (currentLocation != null) {
      tempMarkers.add(
        Marker(
          markerId: const MarkerId('current_location'),
          position: currentLocation!,
          icon: BitmapDescriptor.defaultMarkerWithHue(
            BitmapDescriptor.hueAzure,
          ),
          infoWindow: const InfoWindow(title: 'You are here'),
        ),
      );
      stepPoints.insert(0, _StepPoint(0, currentLocation!));
    }

    stepPoints.sort((a, b) => a.step.compareTo(b.step));

    Set<Polyline> newPolylines = {};
    int segmentIndex = 0;

    for (int i = 0; i < stepPoints.length - 1; i++) {
      final start = stepPoints[i].position;
      final end = stepPoints[i + 1].position;

      try {
        // ignore: deprecated_member_use
        final request = PolylineRequest(
          origin: PointLatLng(start.latitude, start.longitude),
          destination: PointLatLng(end.latitude, end.longitude),
          mode: TravelMode.driving,
        );

        final result = await _polylinePoints.getRouteBetweenCoordinates(
          request: request,
        );

        if (result.points.isNotEmpty) {
          final routePoints = result.points
              .map((p) => LatLng(p.latitude, p.longitude))
              .toList();

          newPolylines.add(
            Polyline(
              polylineId: PolylineId('segment_$segmentIndex'),
              points: routePoints,
              width: 6,
              color: Colors.blue,
              startCap: Cap.roundCap,
              endCap: Cap.roundCap,
              jointType: JointType.round,
              geodesic: true,
            ),
          );
          segmentIndex++;
        } else {
          newPolylines.add(
            Polyline(
              polylineId: PolylineId('segment_fallback_$segmentIndex'),
              points: [start, end],
              width: 4,
              color: Colors.blue.shade200,
            ),
          );
          segmentIndex++;
        }
      } catch (e) {
        debugPrint('[CUSTOMER_MAP] Directions error for segment $i: $e');
        newPolylines.add(
          Polyline(
            polylineId: PolylineId('segment_error_$segmentIndex'),
            points: [start, end],
            width: 4,
            color: Colors.blue.shade200,
          ),
        );
        segmentIndex++;
      }
    }

    if (mounted) {
      setState(() {
        markers = tempMarkers;
        polylines = newPolylines;
      });
    }

    await Future.delayed(const Duration(milliseconds: 200));
    _fitBoundsToMarkersAndPolylines();
  }

  Future<void> _fitBoundsToMarkersAndPolylines() async {
    if (mapController == null) return;

    double minLat = double.infinity;
    double maxLat = -double.infinity;
    double minLng = double.infinity;
    double maxLng = -double.infinity;

    bool hasPoint = false;

    for (final m in markers) {
      final pos = m.position;
      minLat = math.min(minLat, pos.latitude);
      maxLat = math.max(maxLat, pos.latitude);
      minLng = math.min(minLng, pos.longitude);
      maxLng = math.max(maxLng, pos.longitude);
      hasPoint = true;
    }

    for (final poly in polylines) {
      for (final pos in poly.points) {
        minLat = math.min(minLat, pos.latitude);
        maxLat = math.max(maxLat, pos.latitude);
        minLng = math.min(minLng, pos.longitude);
        maxLng = math.max(maxLng, pos.longitude);
        hasPoint = true;
      }
    }

    if (!hasPoint) return;

    final bounds = LatLngBounds(
      southwest: LatLng(minLat, minLng),
      northeast: LatLng(maxLat, maxLng),
    );

    WidgetsBinding.instance.addPostFrameCallback((_) async {
      try {
        await mapController!.animateCamera(
          CameraUpdate.newLatLngBounds(bounds, 80),
        );
      } catch (e) {
        Future.delayed(const Duration(milliseconds: 300), () async {
          try {
            await mapController!.animateCamera(
              CameraUpdate.newLatLngBounds(bounds, 80),
            );
          } catch (e) {
            debugPrint('[CUSTOMER_MAP] Retry failed: $e');
          }
        });
      }
    });
  }

  Future<BitmapDescriptor> _createCircularMarkerBitmap(
    int number, {
    bool isSkipped = false,
    bool isNext = false,
  }) async {
    const double size = 70;
    final pictureRecorder = ui.PictureRecorder();
    final canvas = Canvas(pictureRecorder);
    final center = Offset(size / 2, size / 2);

    final paint = Paint()
      ..color = isSkipped ? Colors.orange : ColorConstants.primaryColor;
    canvas.drawCircle(center, 15, paint);

    final border = Paint()
      ..color = isSkipped ? Colors.orange.shade900 : Colors.white
      ..style = PaintingStyle.stroke
      ..strokeWidth = isSkipped ? 4 : 3;
    canvas.drawCircle(center, 15, border);

    final textPainter = TextPainter(
      text: TextSpan(
        text: number.toString(),
        style: const TextStyle(
          fontSize: 19,
          color: Colors.white,
          fontWeight: FontWeight.bold,
        ),
      ),
      textDirection: TextDirection.ltr,
    );
    textPainter.layout();
    textPainter.paint(
      canvas,
      Offset(
        center.dx - textPainter.width / 2,
        center.dy - textPainter.height / 2,
      ),
    );

    // Draw "NEXT" indicator (road sign with down arrow) on top
    if (isNext) {
      // Draw road sign background (rectangle)
      final signPaint = Paint()
        ..color = Colors.green
        ..style = PaintingStyle.fill;
      final signRect = RRect.fromRectAndRadius(
        Rect.fromCenter(center: Offset(size / 2, 8), width: 45, height: 30),
        const Radius.circular(4),
      );
      canvas.drawRRect(signRect, signPaint);

      // Draw border
      final signBorder = Paint()
        ..color = Colors.white
        ..style = PaintingStyle.stroke
        ..strokeWidth = 1.5;
      canvas.drawRRect(signRect, signBorder);

      // Draw "NEXT" text
      final nextTextPainter = TextPainter(
        text: const TextSpan(
          text: 'NEXT',
          style: TextStyle(
            fontSize: 12,
            color: Colors.white,
            fontWeight: FontWeight.bold,
          ),
        ),
        textDirection: TextDirection.ltr,
      );
      nextTextPainter.layout();
      nextTextPainter.paint(
        canvas,
        Offset(size / 2 - nextTextPainter.width / 2, 4),
      );

      // Draw down arrow
      final arrowPath = Path();
      arrowPath.moveTo(size / 2, 18);
      arrowPath.lineTo(size / 2 - 4, 24);
      arrowPath.lineTo(size / 2 + 4, 24);
      arrowPath.close();
      final arrowPaint = Paint()
        ..color = Colors.white
        ..style = PaintingStyle.fill;
      canvas.drawPath(arrowPath, arrowPaint);
    }

    final img = await pictureRecorder.endRecording().toImage(
      size.toInt(),
      size.toInt(),
    );
    final data = await img.toByteData(format: ui.ImageByteFormat.png);
    return BitmapDescriptor.bytes(data!.buffer.asUint8List());
  }

  void _showCustomerDetailsSheet(
    Map<String, dynamic> delivery,
    int stepNumber,
  ) {
    showModalBottomSheet(
      context: context,
      isScrollControlled: true,
      isDismissible: true,
      enableDrag: true,
      shape: const RoundedRectangleBorder(
        borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
      ),
      builder: (BuildContext context) {
        final customerName = (delivery['deliverycustomer'] ?? 'Customer')
            .toString();
        final address = (delivery['deliveryaddress'] ?? 'Address not available')
            .toString();
        final phone = (delivery['deliverycontactno'] ?? '').toString();
        final orderId = (delivery['orderid'] ?? '').toString();
        final status = (delivery['orderstatus']?.toString().toLowerCase() ?? '')
            .trim();
        final isSkipped = status == 'skipped';

        return SafeArea(
          top: false,
          left: false,
          right: false,
          bottom: true,
          child: Padding(
            padding: EdgeInsets.only(
              bottom: MediaQuery.of(context).viewInsets.bottom,
            ),
            child: Container(
              padding: const EdgeInsets.all(24),
              child: SingleChildScrollView(
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    // Header with title and close icon
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: [
                        Expanded(
                          child: Text(
                            'Customer Details',
                            style: TextStyle(
                              fontSize: 22,
                              fontWeight: FontWeight.bold,
                              fontFamily: FontConstants.fontFamily,
                              color: ColorConstants.primaryColor,
                            ),
                          ),
                        ),
                        InkWell(
                          onTap: () => Navigator.of(context).pop(),
                          child: Container(
                            padding: const EdgeInsets.all(4),
                            decoration: BoxDecoration(
                              color: Colors.grey.shade200,
                              shape: BoxShape.circle,
                            ),
                            child: const Icon(
                              Icons.cancel,
                              size: 34,
                              color: Colors.red,
                            ),
                          ),
                        ),
                      ],
                    ),

                    const Divider(thickness: 1.5),

                    // Step number and status
                    Row(
                      children: [
                        Container(
                          padding: const EdgeInsets.symmetric(
                            horizontal: 12,
                            vertical: 6,
                          ),
                          decoration: BoxDecoration(
                            color: isSkipped
                                ? Colors.orange
                                : ColorConstants.primaryColor,
                            borderRadius: BorderRadius.circular(8),
                          ),
                          child: Text(
                            'Step $stepNumber',
                            style: const TextStyle(
                              color: Colors.white,
                              fontWeight: FontWeight.bold,
                              fontSize: 14,
                            ),
                          ),
                        ),
                        if (isSkipped) ...[
                          const SizedBox(width: 8),
                          Container(
                            padding: const EdgeInsets.symmetric(
                              horizontal: 12,
                              vertical: 6,
                            ),
                            decoration: BoxDecoration(
                              color: Colors.orange.shade100,
                              borderRadius: BorderRadius.circular(8),
                            ),
                            child: const Text(
                              'SKIPPED',
                              style: TextStyle(
                                color: Colors.orange,
                                fontWeight: FontWeight.bold,
                                fontSize: 12,
                              ),
                            ),
                          ),
                        ],
                      ],
                    ),
                    const SizedBox(height: 16),

                    // Customer name
                    Row(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        const Icon(Icons.person, size: 20, color: Colors.grey),
                        const SizedBox(width: 8),
                        Expanded(
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              const Text(
                                'Customer Name',
                                style: TextStyle(
                                  fontSize: 16,
                                  color: Colors.black,
                                  fontWeight: FontWeight.bold,
                                ),
                              ),
                              const SizedBox(height: 8),
                              Text(
                                customerName,
                                style: const TextStyle(
                                  fontSize: 18,
                                  fontWeight: FontWeight.w600,
                                  color: Colors.grey,
                                ),
                              ),
                            ],
                          ),
                        ),
                      ],
                    ),
                    const SizedBox(height: 16),

                    // Delivery address
                    Row(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        const Icon(
                          Icons.location_on,
                          size: 20,
                          color: Colors.grey,
                        ),
                        const SizedBox(width: 8),
                        Expanded(
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              const Text(
                                'Delivery Address',
                                style: TextStyle(
                                  fontSize: 16,
                                  color: Colors.black,
                                  fontWeight: FontWeight.bold,
                                ),
                              ),
                              const SizedBox(height: 8),
                              Text(
                                address,
                                style: const TextStyle(
                                  fontSize: 18,
                                  fontWeight: FontWeight.w600,
                                  color: Colors.grey,
                                ),
                              ),
                            ],
                          ),
                        ),
                      ],
                    ),
                    const SizedBox(height: 16),

                    // Phone number
                    if (phone.isNotEmpty)
                      Row(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          const Icon(Icons.phone, size: 20, color: Colors.grey),
                          const SizedBox(width: 8),
                          Expanded(
                            child: Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                const Text(
                                  'Contact Number',
                                  style: TextStyle(
                                    fontSize: 16,
                                    color: Colors.black,
                                    fontWeight: FontWeight.bold,
                                  ),
                                ),
                                const SizedBox(height: 4),
                                Text(
                                  phone,
                                  style: const TextStyle(
                                    fontSize: 18,
                                    fontWeight: FontWeight.w600,
                                    color: Colors.grey,
                                  ),
                                ),
                              ],
                            ),
                          ),
                        ],
                      ),
                    const SizedBox(height: 20),

                    // Order ID
                    Text(
                      'Order ID: $orderId',
                      style: const TextStyle(
                        fontSize: 16,
                        color: Colors.black,
                        fontStyle: FontStyle.italic,
                      ),
                    ),
                    const SizedBox(height: 20),

                    // Call button
                    SizedBox(
                      width: double.infinity,
                      child: ElevatedButton.icon(
                        style: ElevatedButton.styleFrom(
                          backgroundColor: Colors.green,
                          padding: const EdgeInsets.symmetric(vertical: 14),
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(8),
                          ),
                        ),
                        onPressed: () async {
                          // Close bottom sheet first
                          Navigator.of(context).pop();

                          // Small delay to ensure bottom sheet is closed
                          await Future.delayed(
                            const Duration(milliseconds: 300),
                          );

                          // Then make the call
                          final bool success = await launchPhoneDialer(
                            phone.isNotEmpty ? phone : '9876543210',
                          );
                          if (!success && context.mounted) {
                            ScaffoldMessenger.of(context).showSnackBar(
                              const SnackBar(
                                content: Text('Could not launch dialer'),
                              ),
                            );
                          }
                        },
                        icon: const Icon(
                          Icons.phone,
                          color: Colors.white,
                          size: 20,
                        ),
                        label: const Text(
                          'Call',
                          style: TextStyle(
                            color: Colors.white,
                            fontSize: 21,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                      ),
                    ),
                    const SizedBox(height: 8),
                  ],
                ),
              ),
            ),
          ),
        );
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    LatLng initialTarget;
    double initialZoom = 13;

    if (currentLocation != null) {
      initialTarget = currentLocation!;
    } else if (widget.deliveries.isNotEmpty) {
      final firstDelivery = widget.deliveries.first;
      final lat = _parseD(
        firstDelivery['droplat'] ?? firstDelivery['deliverylat'],
      );
      final lon = _parseD(
        firstDelivery['droplon'] ?? firstDelivery['deliverylong'],
      );
      initialTarget = (lat != 0 && lon != 0)
          ? LatLng(lat, lon)
          : const LatLng(11.0168, 76.9558);
    } else {
      initialTarget = const LatLng(11.0168, 76.9558);
    }

    final initialCameraPosition = CameraPosition(
      target: initialTarget,
      zoom: initialZoom,
    );

    return Scaffold(
      appBar: PreferredSize(
        preferredSize: const Size.fromHeight(70),
        child: SafeArea(
          bottom: false,
          child: AppBar(
            automaticallyImplyLeading: false,
            backgroundColor: ColorConstants.primaryColor,
            elevation: 0,
            toolbarHeight: 80,
            leadingWidth: double.infinity,
            leading: Row(
              children: [
                IconButton(
                  icon: const Icon(
                    Icons.arrow_back_ios,
                    color: Colors.white,
                    size: 26,
                  ),
                  onPressed: () => Navigator.pop(context),
                ),
                const Text(
                  'Delivery Route',
                  style: TextStyle(
                    fontSize: 26,
                    color: Colors.white,
                    fontWeight: FontWeight.bold,
                    letterSpacing: 1.2,
                  ),
                ),
              ],
            ),
            centerTitle: false,
          ),
        ),
      ),
      body: _isLoading
          ? const Center(child: CircularProgressIndicator())
          : GoogleMap(
              initialCameraPosition: initialCameraPosition,
              markers: markers,
              polylines: polylines,
              myLocationEnabled: true,
              myLocationButtonEnabled: true,
              onMapCreated: (controller) {
                mapController = controller;
                _mapReady = true;

                WidgetsBinding.instance.addPostFrameCallback((_) {
                  Future.delayed(const Duration(milliseconds: 150), () {
                    if (_mapReady) _fitBoundsToMarkersAndPolylines();
                  });
                });
              },
            ),
    );
  }
}