//	Spludlow Software
//	Copyright © Samuel P. Ludlow 2020 All Rights Reserved
//	Distributed under the terms of the GNU General Public License version 3
//	Distributed WITHOUT ANY WARRANTY; without implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
//	https://www.spludlow.co.uk/LICENCE.TXT
//	The Spludlow logo is a registered trademark of Samuel P. Ludlow and may not be used without permission
//	v1.14

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using System.Drawing;

namespace Spludlow.Drawing
{
	public class Dartboard
	{
		public static void Demo(string pageSize)
		{
			Spludlow.Printing.PrintDoc printDoc = new Printing.PrintDoc(pageSize, "Dartboard Demo");

			float radius = (printDoc.Width - 10) / 2;

			Draw(printDoc, printDoc.Width / 2, printDoc.Height / 2, radius);

			Spludlow.Printing.Printer.Print(printDoc);

			Spludlow.Log.Finish("Dartboard Demo Finished size:" + pageSize + ", radius:" + radius);
		}

		/// <summary>
		/// Draw a Dartboard. For actual size Radius = 225
		/// </summary>
		public static void Draw(Spludlow.Printing.PrintDoc doc, float x, float y, float radius)
		{
			bool extraNumbers = false;
						
			float fontHeadSize = radius / 2.0F;

			string fontHead = "Arial, " + fontHeadSize + ", Bold";

			string fontDouble = "Arial, 28.0, Bold";
			string fontTebble = "Arial, 16.0, Bold";
			
			float scale = radius / 225;

			float outerRadius = 225 * scale;
			float outerWireRadius = 220 * scale;

			float outerDoubleRadius = 170 * scale;
			float innerDoubleRadius = 160 * scale;

			float outerTrebbleRadius = 105 * scale;
			float innerTrebbleRadius = 95 * scale;

			float outerBullRadius = 17.5F * scale;
			float innerBullRadius = 7.5F * scale;

			float wireWidth = scale;

			Color wireColour = Color.Silver;

			int[] numbers = new int[]
			{
				20, 1,  18, 4,  13, 6,  10, 15, 2,  17, 3,  19, 7,  16, 8,  11, 14, 9,  12, 5,
			};

			doc.Cirlce(x, y, outerRadius, 0, Color.Empty, Color.Black);
			doc.Cirlce(x, y, outerWireRadius, wireWidth, wireColour, Color.Empty);
			
			outerWireRadius *= 0.9F;

			float step = 360.0F / 20.0F;
			float offset = -(step / 2) - 180;

			bool odd = true;

			for (int sector = 0; sector < 20; ++sector)
			{
				float startAngle = offset + (float)sector * step;
				float endAngle = startAngle + step;

				Color small = Color.Red;
				if (odd == false)
					small = Color.Green;

				Color large = Color.Black;
				if (odd == false)
					large = Color.Wheat;

				doc.ArcSector(x, y, outerDoubleRadius, outerDoubleRadius, innerDoubleRadius, innerDoubleRadius, startAngle, endAngle, 0, wireColour, small);
				doc.ArcSector(x, y, innerDoubleRadius, innerDoubleRadius, outerTrebbleRadius, outerTrebbleRadius, startAngle, endAngle, 0, wireColour, large);
				doc.ArcSector(x, y, outerTrebbleRadius, outerTrebbleRadius, innerTrebbleRadius, innerTrebbleRadius, startAngle, endAngle, 0, wireColour, small);
				doc.ArcSector(x, y, innerTrebbleRadius, innerTrebbleRadius, outerBullRadius, outerBullRadius, startAngle, endAngle, 0, wireColour, large);
				
				startAngle += (step / 2);

				PointF textPoint = Spludlow.Drawing.Maths.ArcPoint(x, y, outerWireRadius, outerWireRadius, startAngle);

				float textAngle = startAngle + 180;

				doc.Text(numbers[sector].ToString(), fontHead, textPoint.X, textPoint.Y, wireColour, textAngle, System.Drawing.StringAlignment.Center);

				if (extraNumbers == true)
				{
					string doubleText = numbers[sector] * 2 + "-" + numbers[sector] * 2 * 2 + "-" + numbers[sector] * 2 * 3;

					float textRadius = outerDoubleRadius - 5.0F;

					textPoint = Spludlow.Drawing.Maths.ArcPoint(x, y, textRadius, textRadius, startAngle);

					doc.Text(doubleText, fontDouble, textPoint.X, textPoint.Y, Color.White, startAngle + 180, System.Drawing.StringAlignment.Center);

					doubleText = numbers[sector] * 3 + "-" + numbers[sector] * 3 * 2 + "-" + numbers[sector] * 3 * 3;

					textRadius = outerTrebbleRadius - 5.0F;

					textPoint = Spludlow.Drawing.Maths.ArcPoint(x, y, textRadius, textRadius, startAngle);

					doc.Text(doubleText, fontTebble, textPoint.X, textPoint.Y, Color.White, startAngle + 180, System.Drawing.StringAlignment.Center);
				}

				odd = !odd;
			}

			doc.Cirlce(x, y, outerDoubleRadius, wireWidth, wireColour, Color.Empty);
			doc.Cirlce(x, y, innerDoubleRadius, wireWidth, wireColour, Color.Empty);

			doc.Cirlce(x, y, outerTrebbleRadius, wireWidth, wireColour, Color.Empty);
			doc.Cirlce(x, y, innerTrebbleRadius, wireWidth, wireColour, Color.Empty);

			doc.Cirlce(x, y, outerBullRadius, wireWidth, wireColour, Color.Green);
			doc.Cirlce(x, y, innerBullRadius, wireWidth, wireColour, Color.Red);
			
			for (int sector = 0; sector < 20; ++sector)
			{
				float startAngle = offset + (float)sector * step;
				float endAngle = startAngle + step;
				
				PointF startWire = Spludlow.Drawing.Maths.ArcPoint(x, y, outerBullRadius, outerBullRadius, startAngle);
				PointF endWire = Spludlow.Drawing.Maths.ArcPoint(x, y, outerDoubleRadius * 1.05F, outerDoubleRadius * 1.05F, startAngle);

				doc.Line(startWire.X, startWire.Y, endWire.X, endWire.Y, wireWidth, wireColour);
			}
		}
	}
}