//	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.IO;
using System.Web;
using System.Drawing;

namespace Spludlow.Printing
{
	public class PrintDocReader: IDisposable
	{
		private IPrintDoc Printer;
		private StringReader Reader;
		public PrintDocHeader Header;
		private Spludlow.Drawing.BarCode BarCodeEncoder;

		public PrintDocReader(string printData, IPrintDoc printer)
		{
			this.Printer = printer;

			this.Reader = new StringReader(printData);

			string line = this.Reader.ReadLine();

			this.Header = new PrintDocHeader(line);

			this.BarCodeEncoder = new Drawing.BarCode();
		}

		public void Print()
		{
			while (PrintNext() == true)
			{
			}
		}

		public bool PrintNext()
		{
			string line = this.Reader.ReadLine();

			if (line == null)
				return false;

			string[] words = line.Split(new char[] { '\t' });

			switch (words[0])
			{
				case "NewPage":	//				this.AddItem("NewPage", new string[] { (this.PageCount - 1).ToString() }); use stored index ???
					this.Printer.NewPage();
					break;

				case "Text":	//	void Text(string text, string font, float x, float y, Color colour);
					this.Printer.Text(HttpUtility.UrlDecode(words[1]), words[2], Single.Parse(words[3]), Single.Parse(words[4]), Spludlow.Drawing.Colour.Decode(words[5]), Single.Parse(words[6]), StringAlignmentParse(words[7]), Single.Parse(words[8]), Spludlow.Drawing.Colour.Decode(words[9]));
					break;

				case "TextBox":		//	void TextBox(string text, string font, float x, float y, float width, float height, Color colour);
					this.Printer.TextBox(HttpUtility.UrlDecode(words[1]), words[2], Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Single.Parse(words[6]), Spludlow.Drawing.Colour.Decode(words[7]), Single.Parse(words[8]), StringAlignmentParse(words[9]), Single.Parse(words[10]), Spludlow.Drawing.Colour.Decode(words[11]));
					break;

				case "BarCode":     //	void BarCode(string data, string type, float x, float y, float width, float height, Color foreColour, Color backColour, bool rotate);
					this.Printer.BarCode(words[1], words[2], Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Single.Parse(words[6]), Spludlow.Drawing.Colour.Decode(words[7]), Spludlow.Drawing.Colour.Decode(words[8]), Boolean.Parse(words[9]));
					break;

				case "Line":		//	void Line(float x1, float y1, float x2, float y2, float lineWidth, Color lineColour);
					this.Printer.Line(Single.Parse(words[1]), Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Spludlow.Drawing.Colour.Decode(words[6]));
					break;

				case "Rectangle":	//	void Rectangle(float x, float y, float width, float height, float lineWidth, Color lineColour, Color fillColour);
					this.Printer.Rectangle(Single.Parse(words[1]), Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Spludlow.Drawing.Colour.Decode(words[6]), Spludlow.Drawing.Colour.Decode(words[7]));
					break;

				case "Cirlce":		//void Cirlce(float x, float y, float radius, float lineWidth, Color lineColour, Color fillColour);
					this.Printer.Cirlce(Single.Parse(words[1]), Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Spludlow.Drawing.Colour.Decode(words[5]), Spludlow.Drawing.Colour.Decode(words[6]));
					break;

				case "Ellipse":		//void Ellipse(float x, float y, float xRadius, float yRadius, float lineWidth, Color lineColour, Color fillColour);
					this.Printer.Ellipse(Single.Parse(words[1]), Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Spludlow.Drawing.Colour.Decode(words[6]), Spludlow.Drawing.Colour.Decode(words[7]));
					break;

				case "Arc":			//void Arc(float x, float y, float xRadius, float yRadius, float startAngle, float endAngle, float lineWidth, Color lineColour);
					this.Printer.Arc(Single.Parse(words[1]), Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Single.Parse(words[6]), Single.Parse(words[7]), Spludlow.Drawing.Colour.Decode(words[8]));
					break;

				case "ArcSector":	//void ArcSector(float x, float y, float xOuterRadius, float yOuterRadius, float xInnerRadius, float yInnerRadius, float startAngle, float endAngle, float lineWidth, Color lineColour, Color fillColour);
					this.Printer.ArcSector(Single.Parse(words[1]), Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Single.Parse(words[6]), Single.Parse(words[7]), Single.Parse(words[8]), Single.Parse(words[9]), Spludlow.Drawing.Colour.Decode(words[10]), Spludlow.Drawing.Colour.Decode(words[11]));
					break;

				case "Polygon":		//void Polygon(float x, float y, float xRadius, float yRadius, int sides, float rotateAngle, float lineWidth, Color lineColour, Color fillColour);
					this.Printer.Polygon(Single.Parse(words[1]), Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Int32.Parse(words[5]), Single.Parse(words[6]), Single.Parse(words[7]), Spludlow.Drawing.Colour.Decode(words[8]), Spludlow.Drawing.Colour.Decode(words[9]));
					break;

				case "Shape":       //	void Shape(PointF[] points, float lineWidth, Color lineColour, Color fillColour);
					this.Printer.Shape(PrintDoc.DecodePoints(words[1]), Single.Parse(words[2]), Spludlow.Drawing.Colour.Decode(words[3]), Spludlow.Drawing.Colour.Decode(words[4]));
					break;

				case "Curve":           //	void Curve(PointF[] points, float lineWidth, Color lineColour);
					this.Printer.Curve(PrintDoc.DecodePoints(words[1]), Single.Parse(words[2]), Spludlow.Drawing.Colour.Decode(words[3]));
					break;

				case "Lines":           //	void Lines(PointF[] points, float lineWidth, Color lineColour);
					this.Printer.Lines(PrintDoc.DecodePoints(words[1]), Single.Parse(words[2]), Spludlow.Drawing.Colour.Decode(words[3]));
					break;

				case "Place":      //	void Place(string filename, float x, float y, float scale, int sourcePageNumber);
					this.Printer.Place(words[1], Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Int32.Parse(words[5]));
					break;

				case "PlaceAngle":      //	void Place(string filename, float x, float y, float scale, float angle, int sourcePageNumber);
					this.Printer.PlaceAngle(words[1], Single.Parse(words[2]), Single.Parse(words[3]), Single.Parse(words[4]), Single.Parse(words[5]), Int32.Parse(words[6]));
					break;

				default:
					throw new ApplicationException("Bad item in print doc: " + line);
			}

			return true;
		}

		private static StringAlignment StringAlignmentParse(string text)
		{
			return (StringAlignment)Enum.Parse(typeof(StringAlignment), text);
		}
		
		public void Dispose()
		{
			if (this.Reader != null)
			{
				this.Reader.Close();
				this.Reader = null;
			}
		}
	}
}