using System;
using System.Xml;
using System.Drawing;
using System.Windows.Forms;
//using C1.C1Pdf;

namespace fmtxml
{
	/// <summary>
	/// Summary description for XmlToPdf.
	/// </summary>
	public class XmlToPdf
	{
		private float ConvertToPoints=72f;
		private XmlDocument xmlDoc;
		private string FileName;
		private string FilePath;
		//private C1.C1Pdf.C1PdfDocument _c1pdf;
		
		private string [] FontChoice = 
		   {"Times New Roman",
			"VESymb XXXXXX",
			"VolianDraw XXXXXX",
			"Prestige Elite Tall",
			"Courier New",
			"Arial",
			"Letter Gothic",
			"Times New Roman",
			"Letter Gothic Tall",
			"Letter Gothic Tall",
			"Gothic Ultra",
			"VolianScript"
		};
		private float LeftMargin;				//todo: define in page info
		private float VerticalOffset;			//todo: define in page info
		private bool Portrait;					//todo: define in page info

		public XmlToPdf(string path, string fname)
		{
			LeftMargin=0.5f * ConvertToPoints;	// KBR: TODO
			VerticalOffset=0.5f * ConvertToPoints;	// KBR: TODO
			Portrait = true; // KBR: TODO
			FileName = fname;
			FilePath = path;
			xmlDoc = new XmlDocument();
			XmlTextReader reader = new XmlTextReader(FilePath+"\\"+FileName);
			xmlDoc.Load(reader);
			reader.Close();
			try
			{
				GeneratePDFForFile();
			}
			catch (Exception e)
			{
				MessageBox.Show("Error processing: " + fname, e.Message);
			}
		}

		private void GeneratePDFForFile()
		{
			//_c1pdf = new C1.C1Pdf.C1PdfDocument();
			//string rootname = FileName.Substring(0,FileName.Length-4);
			//// create a pdf file & for each macro (i.e. macro element in xml tree), 
			//// put it into the pdf file.
			//XmlElement top = (XmlElement) xmlDoc.SelectSingleNode(rootname + "_GENMAC");
			//XmlNodeList xmlNds = top.SelectNodes("MACRO");
			//foreach (XmlNode nd in xmlNds)
			//{	
			//    XmlNode name = nd.SelectSingleNode("NAME");
			//    XmlElement elm = (XmlElement) name;
			//    XmlNode definition = nd.SelectSingleNode("DEFINITION");
			//    MacroGeneratePDF(definition);
			//    _c1pdf.NewPage();
			//}
			//string outname = "E:\\ve-proms.net\\genmac.xml\\testpdf\\" + rootname + ".pdf";
			//_c1pdf.Save(outname);
		}

		private void MacroGeneratePDF(XmlNode definition)
		{
			XmlElement elm = (XmlElement) definition;
			string def = elm.InnerText;
			int lindx = 0;
			int indx = def.IndexOf(";");
			while (indx>-1)
			{
				string command = def.Substring(lindx,indx-lindx).Trim();
				DoPDF(command);
				lindx = indx+1;
				indx = def.IndexOf(";",lindx);
			}
			
		}

		private void DoPDF(string cmdline)
		{
			string cmd = cmdline.Substring(0,cmdline.IndexOf(" "));
			int stx, sty, ex, ey = 0;
			float fstx, fsty, fex, fey = 0;
			int lw=0;
			string restOfIt=null;
			string [] parts;

			Pen pn = null;
			switch (cmd)
			{
				case "BOX":
					restOfIt = cmdline.Substring(4,cmdline.Length-4);
					parts = restOfIt.Split(" ".ToCharArray(),5);
					fstx = (float) System.Convert.ToDouble(parts[0]);
					fsty = (float) System.Convert.ToDouble(parts[1]);
					fex = (float) System.Convert.ToDouble(parts[2]);
					fey = (float) System.Convert.ToDouble(parts[3]);
					float flw = (float) System.Convert.ToDouble(parts[4]);
					pn = new Pen(Brushes.Black,flw);
					//KBR: TODO - storing page stuff such as portland, vertical offset, tab, etc.
					RectangleF rc = new RectangleF(LeftMargin+fstx,VerticalOffset+fsty,fex,fey);
					//_c1pdf.DrawRectangle(pn,rc);
					break;
				case "LINE":   // command is LINE startx, starty, endx, endy, lnwidth
					restOfIt = cmdline.Substring(5,cmdline.Length-5);
					parts = restOfIt.Split(" ".ToCharArray(),5);
					fstx = (float) System.Convert.ToDouble(parts[0]);
					fsty = (float) System.Convert.ToDouble(parts[1]);
					fex = (float) System.Convert.ToDouble(parts[2]);
					fey = (float) System.Convert.ToDouble(parts[3]);
					float flw1 = (float) System.Convert.ToDouble(parts[4]);
//KBR: TODO - storing page stuff such as portland, vertical offset, tab, etc.
//					startx = portland ? (vof + cy + adjy) : (cx + tab + adjx);
//					starty = portland ? (tab - (cx + adjx)) : (cy + vof + adjy);
					pn = new Pen(Brushes.Black,flw1);
//KBR: TODO - move ablsolute?				
//					if (MoveAbsolute)
//						{tab = 0;vof = 0;}
					//_c1pdf.DrawLine(pn, LeftMargin+fstx, VerticalOffset+fsty, LeftMargin+fstx+fex, VerticalOffset+fsty+fey);
					break;
				case "TEXT":
					int quote = cmdline.IndexOf("\"");
					string txt = cmdline.Substring(quote+1,cmdline.LastIndexOf("\"")-quote-1);
					restOfIt = cmdline.Substring(5,quote-6);
					parts = restOfIt.Split(" ".ToCharArray(),5);
					fstx = (float) System.Convert.ToDouble(parts[0]);
					fsty = (float) System.Convert.ToDouble(parts[1]);
					int FontSize = System.Convert.ToInt32(parts[2]);
					FontSize = FontSize/2;
					int FontFamily = System.Convert.ToInt32(parts[3]);
					int bui = System.Convert.ToInt32(parts[4]);		//kbr todo: use bui
					Font myfont = new Font(this.FontChoice[FontFamily],FontSize);
					rc = new Rectangle();
					//rc.Size = _c1pdf.MeasureStringRtf(txt,myfont,500); // kbr todo: 500?
					rc.X = LeftMargin+fstx;
					rc.Y = VerticalOffset+fsty-FontSize; //-(rc.Size.Height/2);
					//_c1pdf.DrawStringRtf(txt,myfont,Brushes.Black,rc);
					break;
				case "GDIADJ":
					break;
				case "ELLIPSE":
					restOfIt = cmdline.Substring(8,cmdline.Length-8);
					parts = restOfIt.Split(" ".ToCharArray(),5);
					stx = System.Convert.ToInt32(parts[0]);
					sty = System.Convert.ToInt32(parts[1]);
					ex = System.Convert.ToInt32(parts[2]);
					ey = System.Convert.ToInt32(parts[3]);
					lw = System.Convert.ToInt32(parts[4]);
					//_c1pdf.DrawEllipse(pn,LeftMargin+stx, VerticalOffset+sty, LeftMargin+ex, VerticalOffset+ey);
					break;
				case "BITMAP":
					restOfIt = cmdline.Substring(8,cmdline.Length-7);
					parts = restOfIt.Split(" ".ToCharArray(),3);
					fstx = (float) System.Convert.ToDouble(parts[0]);
					fsty = (float) System.Convert.ToDouble(parts[1]);
					string fname = parts[2];
					Image img = Image.FromFile(fname);
					rc = new RectangleF();
					rc.Height = img.Height;
					rc.Width = img.Width;
					rc.X = LeftMargin+fstx;
					rc.Y = VerticalOffset+fsty-(rc.Size.Height/2);
					//_c1pdf.DrawImage(img, rc, ContentAlignment.MiddleCenter, ImageSizeModeEnum.Scale);
					break;
				case "ABSOLUTE":
					break;
				default:
					break;
			}
		}
	}
}