using GeoAPI.Geometries;
using NetTopologySuite.Geometries;
using WorkerService1.Domains;
using Polygon = WorkerService1.Domains.Polygon;

namespace WorkerService1.Utils;

public static class Utilities
{
    public static bool IsPointInsidePolygon(this Points point, Polygon polygon)
    {
        if (polygon.Points == null) return false;
        var testPoint = new Coordinate(point.X, point.Y);
        foreach (var points in polygon.Points)
        {
            var polygonPoints = points.Select(x => new Coordinate(x.X, x.Y)).ToArray();
            var isInside = IsPointInsidePolygon(testPoint, polygonPoints);
            if (isInside) return true;
        }

        return false;
    }


    public static bool IsPointInsidePolygon(Coordinate testPoint, Coordinate[] polygonPoints)
    {
        var geometryFactory = new GeometryFactory();
        var testPointGeom = geometryFactory.CreatePoint(testPoint);

        var linearRing = new LinearRing(polygonPoints.Append(polygonPoints.First()).ToArray());
        var polygon = geometryFactory.CreatePolygon(linearRing);

        return polygon.Intersects(testPointGeom);
    }
}