import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart' as gmaps;
import '../../core/theme/map_style.dart';
import 'map_provider_interface.dart';

class GoogleMapProvider implements AppMapProvider {
  gmaps.GoogleMapController? _controller;

  @override
  AppMapType get type => AppMapType.googleMaps;

  @override
  String get name => 'Google Maps';

  @override
  Widget buildMapView({
    required BuildContext context,
    required AppLatLng center,
    required double zoom,
    double bearing = 0.0,
    required List<AppMapMarker> markers,
    required List<AppPolyline> polylines,
    required bool isFollowMode,
    required MapConfig config,
    required ValueChanged<AppLatLng>? onPositionChanged,
    required VoidCallback? onUserInteraction,
  }) {
    final target = gmaps.LatLng(center.latitude, center.longitude);

    if (isFollowMode && _controller != null) {
      _controller!.animateCamera(
        gmaps.CameraUpdate.newLatLngZoom(target, zoom),
      );
    }

    final gMarkers = markers.map((m) {
      return gmaps.Marker(
        markerId: gmaps.MarkerId(m.id),
        position: gmaps.LatLng(m.position.latitude, m.position.longitude),
        rotation: m.heading,
        onTap: m.onTap,
      );
    }).toSet();

    final gPolylines = polylines.map((p) {
      return gmaps.Polyline(
        polylineId: gmaps.PolylineId(p.id),
        points: p.points.map((pt) => gmaps.LatLng(pt.latitude, pt.longitude)).toList(),
        color: p.color,
        width: p.width.toInt(),
      );
    }).toSet();

    final media = MediaQuery.of(context);
    final sizeKey = '${media.orientation}_${media.size.width.toInt()}x${media.size.height.toInt()}';

    return gmaps.GoogleMap(
      key: ValueKey('google_map_$sizeKey'),
      initialCameraPosition: gmaps.CameraPosition(
        target: target,
        zoom: zoom,
      ),
      markers: gMarkers,
      polylines: gPolylines,
      style: darkMapStyle,
      myLocationEnabled: false,
      zoomControlsEnabled: false,
      compassEnabled: false,
      onMapCreated: (controller) {
        _controller = controller;
      },
      onCameraMoveStarted: () {
        onUserInteraction?.call();
      },
      onCameraMove: (position) {
        onPositionChanged?.call(AppLatLng(position.target.latitude, position.target.longitude));
      },
    );
  }
}