// lib/widgets/shared_map_widgets.dart
import 'package:flutter/material.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:get/get.dart';
import 'package:latlong2/latlong.dart';

class SharedMapWidget extends StatelessWidget {
  final MapController mapController;
  final List<Widget> layers;
  final void Function(TapPosition, LatLng)? onLongPress;
  final void Function(TapPosition, LatLng)? onTap;
  final void Function(MapCamera, bool)? onPositionChanged;

  final MapControls controls;
  final LatLng initialCenter;
  final double initialZoom;
  final double minZoom;
  final double maxZoom;

  // Controller-owned state (csak megjelenítéshez)
  final RxBool? isFollowing;
  final RxBool? isNorthUp;
  final RxDouble? currentZoom;
  final RxDouble? currentRotationRad;

  // Controller-owned commands
  final VoidCallback? onZoomIn;
  final VoidCallback? onZoomOut;
  final VoidCallback? onCenterOnGps;
  final VoidCallback? onResetNorth;

  const SharedMapWidget({
    super.key,
    required this.mapController,
    this.layers = const [],
    this.onLongPress,
    this.onTap,
    this.onPositionChanged,
    this.controls = const MapControls(),
    this.initialCenter = const LatLng(47.5, 19.0),
    this.initialZoom = 18.0,
    this.minZoom = 3.0,
    this.maxZoom = 25.0,
    this.isFollowing,
    this.isNorthUp,
    this.currentZoom,
    this.currentRotationRad,
    this.onZoomIn,
    this.onZoomOut,
    this.onCenterOnGps,
    this.onResetNorth,
  });

  @override
  Widget build(BuildContext context) {
    return Stack(
      children: [
        FlutterMap(
          mapController: mapController,
          options: MapOptions(
            initialCenter: initialCenter,
            initialZoom: initialZoom,
            minZoom: minZoom,
            maxZoom: maxZoom,
            onLongPress: onLongPress,
            onTap: onTap,
            onPositionChanged: onPositionChanged,
            interactionOptions: const InteractionOptions(
              flags: InteractiveFlag.all,
            ),
          ),
          children: [
            TileLayer(
              urlTemplate:
                  'http://{s}.google.com/vt/lyrs=s,h&x={x}&y={y}&z={z}',
              subdomains: const ['mt0', 'mt1', 'mt2', 'mt3'],
              maxNativeZoom: 18,
            ),
            ...layers,
          ],
        ),
        _MapControlsOverlay(
          controls: controls,
          isFollowing: isFollowing,
          isNorthUp: isNorthUp,
          currentRotationRad: currentRotationRad,
          onZoomIn: onZoomIn,
          onZoomOut: onZoomOut,
          onCenterOnGps: onCenterOnGps,
          onResetNorth: onResetNorth,
        ),
        if (controls.showZoomLevel && currentZoom != null)
          Positioned(
            bottom: 150,
            left: 4,
            child: Obx(() => _ZoomLabel(currentZoom!.value)),
          ),
      ],
    );
  }
}

class MapControls {
  final bool showZoomButtons;
  final bool showFollowButton;
  final bool showNorthButton;
  final bool showZoomLevel;
  final bool showCompass;

  const MapControls({
    this.showZoomButtons = true,
    this.showFollowButton = true,
    this.showNorthButton = true,
    this.showZoomLevel = true,
    this.showCompass = false,
  });

  const MapControls.fieldTrip()
      : showZoomButtons = true,
        showFollowButton = false,
        showNorthButton = true,
        showZoomLevel = true,
        showCompass = false;

  const MapControls.navigation()
      : showZoomButtons = true,
        showFollowButton = true,
        showNorthButton = true,
        showZoomLevel = false,
        showCompass = true;

  const MapControls.minimal()
      : showZoomButtons = true,
        showFollowButton = false,
        showNorthButton = false,
        showZoomLevel = false,
        showCompass = false;
}

class _MapControlsOverlay extends StatelessWidget {
  final MapControls controls;
  final RxBool? isFollowing;
  final RxBool? isNorthUp;
  final RxDouble? currentRotationRad;

  final VoidCallback? onZoomIn;
  final VoidCallback? onZoomOut;
  final VoidCallback? onCenterOnGps;
  final VoidCallback? onResetNorth;

  const _MapControlsOverlay({
    required this.controls,
    required this.isFollowing,
    required this.isNorthUp,
    required this.currentRotationRad,
    required this.onZoomIn,
    required this.onZoomOut,
    required this.onCenterOnGps,
    required this.onResetNorth,
  });

  @override
  Widget build(BuildContext context) {
    return Positioned(
      right: 10,
      bottom: 150,
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          if (controls.showNorthButton && isNorthUp != null)
            Obx(() {
              final active = isNorthUp!.value;
              final angle = currentRotationRad?.value ?? 0.0;
              return _ControlButton(
                tooltip: 'Észak felfelé',
                active: active,
                onTap: onResetNorth,
                child: Transform.rotate(
                  angle: -angle,
                  child: const Icon(Icons.navigation, size: 20),
                ),
              );
            }),
          if (controls.showNorthButton) const SizedBox(height: 6),
          if (controls.showFollowButton && isFollowing != null)
            Obx(() => _ControlButton(
                  tooltip: isFollowing!.value
                      ? 'GPS követés aktív'
                      : 'GPS követés kikapcsolva',
                  active: isFollowing!.value,
                  icon: isFollowing!.value
                      ? Icons.gps_fixed
                      : Icons.gps_not_fixed,
                  onTap: onCenterOnGps,
                )),
          if (controls.showFollowButton) const SizedBox(height: 6),
          if (controls.showZoomButtons) ...[
            _ControlButton(
              icon: Icons.add,
              tooltip: 'Nagyítás',
              onTap: onZoomIn,
            ),
            const SizedBox(height: 2),
            _ControlButton(
              icon: Icons.remove,
              tooltip: 'Kicsinyítés',
              onTap: onZoomOut,
            ),
          ],
        ],
      ),
    );
  }
}

class _ControlButton extends StatelessWidget {
  final IconData? icon;
  final Widget? child;
  final String tooltip;
  final bool active;
  final VoidCallback? onTap;

  const _ControlButton({
    this.icon,
    this.child,
    required this.tooltip,
    this.active = false,
    required this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    final isDark = Theme.of(context).brightness == Brightness.dark;

    return Tooltip(
      message: tooltip,
      child: Material(
        color: active
            ? Theme.of(context).colorScheme.primaryContainer
            : isDark
                ? Colors.grey.shade800.withOpacity(0.9)
                : Colors.white.withOpacity(0.9),
        borderRadius: BorderRadius.circular(8),
        elevation: 3,
        shadowColor: Colors.black38,
        child: InkWell(
          borderRadius: BorderRadius.circular(8),
          onTap: onTap,
          child: SizedBox(
            width: 42,
            height: 42,
            child: Center(
              child: child ??
                  Icon(
                    icon,
                    size: 20,
                    color: active
                        ? Theme.of(context).colorScheme.primary
                        : isDark
                            ? Colors.white70
                            : Colors.black87,
                  ),
            ),
          ),
        ),
      ),
    );
  }
}

class _ZoomLabel extends StatelessWidget {
  final double zoom;
  const _ZoomLabel(this.zoom);

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
      decoration: BoxDecoration(
        color: Colors.black54,
        borderRadius: BorderRadius.circular(6),
      ),
      child: Text(
        'Z ${zoom.toStringAsFixed(1)}',
        style: const TextStyle(color: Colors.white70, fontSize: 11),
      ),
    );
  }
}

class LabeledMarker extends StatelessWidget {
  final String label;
  final IconData icon;
  final Color color;
  final Color? activeColor;
  final String? sublabel;

  const LabeledMarker({
    super.key,
    required this.label,
    required this.icon,
    required this.color,
    this.activeColor,
    this.sublabel,
  });

  @override
  Widget build(BuildContext context) {
    final c = activeColor ?? color;
    return Column(
      mainAxisSize: MainAxisSize.min,
      children: [
        Container(
          padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 3),
          decoration: BoxDecoration(
            color: c,
            borderRadius: BorderRadius.circular(6),
            boxShadow: [
              BoxShadow(
                color: Colors.black.withOpacity(0.3),
                blurRadius: 4,
                offset: const Offset(0, 2),
              ),
            ],
          ),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              Text(
                label,
                style: const TextStyle(
                  color: Colors.white,
                  fontSize: 11,
                  fontWeight: FontWeight.w600,
                ),
                overflow: TextOverflow.ellipsis,
                maxLines: 1,
              ),
              if (sublabel != null)
                Text(
                  sublabel!,
                  style: TextStyle(
                    color: Colors.white.withOpacity(0.9),
                    fontSize: 9,
                  ),
                ),
            ],
          ),
        ),
        Container(width: 2, height: 6, color: c),
        Icon(
          icon,
          color: c,
          size: 22,
          shadows: const [
            Shadow(color: Colors.black45, blurRadius: 4, offset: Offset(0, 2)),
          ],
        ),
      ],
    );
  }
}

class PulsingDot extends StatefulWidget {
  final Color color;
  const PulsingDot({super.key, required this.color});

  @override
  State<PulsingDot> createState() => _PulsingDotState();
}

class _PulsingDotState extends State<PulsingDot>
    with SingleTickerProviderStateMixin {
  late AnimationController _ctrl;
  late Animation<double> _scale;

  @override
  void initState() {
    super.initState();
    _ctrl = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 1000),
    )..repeat(reverse: true);
    _scale = Tween(begin: 0.8, end: 1.2).animate(
      CurvedAnimation(parent: _ctrl, curve: Curves.easeInOut),
    );
  }

  @override
  void dispose() {
    _ctrl.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) => ScaleTransition(
        scale: _scale,
        child: Container(
          width: 18,
          height: 18,
          decoration: BoxDecoration(
            color: widget.color,
            shape: BoxShape.circle,
            border: Border.all(color: Colors.white, width: 2),
            boxShadow: [
              BoxShadow(
                color: widget.color.withOpacity(0.5),
                blurRadius: 8,
                spreadRadius: 2,
              ),
            ],
          ),
        ),
      );
}