using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;



namespace Psychlops{

	public interface Shape : Figure
	{
	}
	public static class ShapeExtention
	{
		/*
		public static void draw(this Shape drawee)
		{
			drawee.draw(Color.white);
		}
		*/
	}


	public class Line : Shape
	{
		public Point begin, end;

		public Line(Point v1, Point v2)
		{
			begin = v1;
			end   = v2;
		}

		public Figure shift(Point p)
		{
			begin += p;
			end   += p;
			return this;
		}
		public Figure centering(Point p)
		{
			double h = width, v = height;
			begin.x = p.x - h / 2.0;
			begin.y = p.y - v / 2.0;
			end.x = begin.x + h;
			end.y = begin.y + v;
			return this;
		}

		public void draw(Color c)
		{
			Main.drawable.line(this, c);
		}
		public void draw()
		{
			Main.drawable.line(this, Color.white);
		}

		public double width { get { return Math.abs(begin.x - end.x); } }
		public double height { get { return Math.abs(begin.y - end.y); } }

		public static implicit operator System.Windows.Shapes.Line(Line d)
		{
			var tmp = new System.Windows.Shapes.Line();
			tmp.X1 = d.begin.x;
			tmp.Y1 = d.begin.y;
			tmp.X2 = d.end.x;
			tmp.Y2 = d.end.y;
			return tmp;
		}
	}


	public class Rectangle : Shape
	{
		public Point v1, v2;

		public Rectangle()
		{
			set(0,0);
		}
		public Rectangle(double wid, double hei)
		{
			set(wid, hei);
		}
		
		public Rectangle set(double wid, double hei)
		{
			v1.set(0, 0, 0);
			v2.set(wid, hei, 0);
			return this;
		}

		public Figure shift(Point p)
		{
			v1 += p;
			v2 += p;
			return this;
		}
		public Figure centering(Point p)
		{
			double h = width, v = height;
			v1.x = p.x - h / 2.0;
			v1.y = p.y - v / 2.0;
			v2.x = v1.x + h;
			v2.y = v1.y + v;
			return this;
		}

		public void draw(Color c)
		{
			Main.drawable.rect(this, c);
		}
		public void draw()
		{
			Main.drawable.rect(this, Color.white);
		}

		public double left   { get { return v1.x; } }
		public double top    { get { return v1.y; } }
		public double right  { get { return v2.x; } }
		public double bottom { get { return v2.y; } }
		public double width { get { return Math.abs(v1.x - v2.x); } }
		public double height { get { return Math.abs(v1.y - v2.y); } }


		public static implicit operator System.Windows.Rect(Rectangle d)
		{
			return new System.Windows.Rect(d.v1.x, d.v1.y, d.v2.x, d.v2.y);
		}

	}


	public class Ellipse : Shape
	{
		public Point datum;
		public double xdiameter, ydiameter;

		public Figure shift(Point p)
		{
			datum += p;
			return this;
		}
		public Figure centering(Point p)
		{
			datum = p;
			return this;
		}

		public void draw(Color c)
		{
			Main.drawable.ellipse(this, c);
		}
		public void draw()
		{
			Main.drawable.ellipse(this, Color.white);
		}
	}


	public class Polygon : Shape
	{
		public Point datum;
		public System.Collections.Generic.List<Point> vertices;

		public Polygon()
		{
			vertices = new System.Collections.Generic.List<Point>();
		}
		public Polygon append(Point p) { vertices.Add(p); return this; }
		public Polygon append(double x, double y) { return append(new Point(x, y, 0.0)); }
		public Polygon append(double x, double y, double z) { return append(new Point(x, y, z)); }


		public Figure shift(Point p)
		{
			datum += p;
			return this;
		}
		public Figure centering(Point p)
		{
			datum = p;
			return this;
		}

		public void draw(Color c)
		{
			Main.drawable.polygon(this, c);
		}
		public void draw()
		{
			Main.drawable.polygon(this, Color.white);
		}
	}

}