import 'package:maplibre_gl/maplibre_gl.dart';

class CountryPolygons {
  static final List<LatLng> jordanBoundary = [
    const LatLng(32.65, 35.80),
    const LatLng(32.35, 37.00),
    const LatLng(31.85, 36.80),
    const LatLng(31.00, 36.50),
    const LatLng(30.30, 35.75),
    const LatLng(29.50, 35.00),
    const LatLng(29.50, 34.85),
    const LatLng(30.80, 35.25),
    const LatLng(32.00, 35.50),
    const LatLng(32.45, 35.60),
    const LatLng(32.65, 35.80),
  ];

  static bool isPointInPolygon(LatLng p, List<LatLng> polygon) {
    bool isInside = false;
    int j = polygon.length - 1;
    for (int i = 0; i < polygon.length; i++) {
        if (((polygon[i].latitude > p.latitude) != (polygon[j].latitude > p.latitude)) &&
            (p.longitude < (polygon[j].longitude - polygon[i].longitude) * (p.latitude - polygon[i].latitude) / (polygon[j].latitude - polygon[i].latitude) + polygon[i].longitude)) {
            isInside = !isInside;
        }
        j = i;
    }
    return isInside;
  }
}

void main() {
  // Amman coordinates from log: 32.1117, 36.0671
  final amman = LatLng(32.1117, 36.0671);
  final isAmmanInJordan = CountryPolygons.isPointInPolygon(amman, CountryPolygons.jordanBoundary);
  
  print('Amman (32.11, 36.06) in Jordan: $isAmmanInJordan');
  
  // Damascus coordinates (example): 33.5138, 36.2765
  final damascus = LatLng(33.5138, 36.2765);
  final isDamascusInJordan = CountryPolygons.isPointInPolygon(damascus, CountryPolygons.jordanBoundary);
  print('Damascus (33.51, 36.27) in Jordan: $isDamascusInJordan');
}