using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Media3D;

namespace HelixToolkit
{
    public class PipeVisual3D : MeshElement3D
    {
        public static readonly DependencyProperty DiameterProperty =
            DependencyProperty.Register("Diameter", typeof(double), typeof(PipeVisual3D),
                                        new UIPropertyMetadata(1.0, GeometryChanged));

        public static readonly DependencyProperty InnerDiameterProperty =
            DependencyProperty.Register("InnerDiameter", typeof(double), typeof(PipeVisual3D),
                                        new UIPropertyMetadata(0.0, GeometryChanged));

        public static readonly DependencyProperty Point1Property =
            DependencyProperty.Register("Point1", typeof(Point3D), typeof(PipeVisual3D),
                                        new UIPropertyMetadata(new Point3D(0, 0, 0), GeometryChanged));

        public static readonly DependencyProperty Point2Property =
            DependencyProperty.Register("Point2", typeof(Point3D), typeof(PipeVisual3D),
                                        new UIPropertyMetadata(new Point3D(0, 0, 10), GeometryChanged));

        public static readonly DependencyProperty ThetaDivProperty =
            DependencyProperty.Register("ThetaDiv", typeof(int), typeof(PipeVisual3D),
                                        new UIPropertyMetadata(36, GeometryChanged));

        public double InnerDiameter
        {
            get { return (double)GetValue(InnerDiameterProperty); }
            set { SetValue(InnerDiameterProperty, value); }
        }


        public double Diameter
        {
            get { return (double)GetValue(DiameterProperty); }
            set { SetValue(DiameterProperty, value); }
        }


        public int ThetaDiv
        {
            get { return (int)GetValue(ThetaDivProperty); }
            set { SetValue(ThetaDivProperty, value); }
        }

        public Point3D Point1
        {
            get { return (Point3D)GetValue(Point1Property); }
            set { SetValue(Point1Property, value); }
        }

        public Point3D Point2
        {
            get { return (Point3D)GetValue(Point2Property); }
            set { SetValue(Point2Property, value); }
        }

        protected override MeshGeometry3D Tessellate()
        {
            var builder = new MeshBuilder();
            builder.AddPipe(Point1, Point2, InnerDiameter, Diameter, ThetaDiv);
            return builder.ToMesh();
        }
    }
}