// ========================================================================
// Copyright 2006 - Volian Enterprises, Inc. All rights reserved.          
// Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
// ------------------------------------------------------------------------
// $Workfile: $     $Revision: $                                           
// $Author: $   $Date: $                                                   
//                                                                         
// $History: $                                                             
// ========================================================================
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
using System.Collections.Specialized;
using System.Collections.Generic;
using System.Xml;
using System.IO;
using System.Text;
using Volian.MSWord;
using vlnObjectLibrary;
using vlnServerLibrary;
using Org.Mentalis.Files;

namespace DataLoader
{
	public partial class Loader
	{
		
		private void MigrateLibDocs(OleDbConnection cn, string pth, bool appending)
		{
			// MessageBox.Show("Before LibDocs");
			frmMain.AddInfo("Before MigrateLibDocs{0}\r\n{1}", GC.GetTotalMemory(true), VEPROMS.CSLA.Library.CSLACache.UsageAll);
			// Get all of the library documents - the first list has the entire list of files
			// found within the rtffiles folder, the second list contains usages from the 'tran'
			// file. During processing for procedures/sections occurs, the used library documents
			// will be migrated. After that, any remaining library documents will be added to
			// the section table without a reference from the structuretbl.
      Dictionary<string, int> dicLibDocSect = new Dictionary<string, int>();
			VEPROMS.CSLA.Library.DocumentInfoList docList = VEPROMS.CSLA.Library.DocumentInfoList.Get();
			frmMain.UpdateLabelsLibDocs(0, 0);
			if (Directory.Exists(pth + "\\rtffiles"))
			{
				DirectoryInfo di = new DirectoryInfo(pth + "\\RTFFILES");
				FileInfo[] fis = di.GetFiles("DOC_*.LIB");
				frmMain.UpdateLabelsSetProc(fis.Length);
				foreach (FileInfo fi in fis)
				{
					string fName = fi.Name.Substring(0, 8).ToUpper();
					frmMain.UpdateLabelsLibDocs(1, 0);
					if (appending)
					{
						foreach (VEPROMS.CSLA.Library.DocumentInfo docInfo in docList)
						{
							if(docInfo.Config.Contains(string.Format("\"{0}.LIB\"", fName)))
								dicLibDocSect[fName] = docInfo.DocID;
						}
					}
					else
						dicLibDocSect[fName] = MigrateLibDoc(fi);
				}
			}
			dicLibDocRef = new Dictionary<string, int>();
			OleDbDataAdapter da_doc = new OleDbDataAdapter("select [FROMNUMBER], [FROMSEQUEN], [TONUMBER] from [tran] where [TONUMBER] LIKE 'doc_%' or [TONUMBER] like 'DOC_%'", cn);
			DataSet ds_doc = new DataSet();
			da_doc.Fill(ds_doc);
			frmMain.UpdateLabelsSetSect(ds_doc.Tables[0].Rows.Count);
			foreach (DataRow dr_doc in ds_doc.Tables[0].Rows)
			{
				frmMain.UpdateLabelsLibDocs(0, 1);
				string key = dr_doc["FROMNUMBER"].ToString().PadRight(20) + TextConvert.ConvertSeq(dr_doc["FROMSEQUEN"].ToString()).PadRight(10);
				if (!dicLibDocSect.ContainsKey(dr_doc["TONUMBER"].ToString().ToUpper()))
                    log.ErrorFormat("Error setting library document references: {0}", dr_doc["TONUMBER"].ToString().ToUpper());
                else
                    dicLibDocRef[key] = dicLibDocSect[dr_doc["TONUMBER"].ToString().ToUpper()];
			}
			da_doc.Dispose();
			frmMain.AddInfo("After MigrateLibDocs{0}\r\n{1}", GC.GetTotalMemory(true), VEPROMS.CSLA.Library.CSLACache.UsageAll);
			// MessageBox.Show("After LibDocs");
		}
		private int MigrateLibDoc(FileInfo fi)
		{
			ConfigInfo ci = new ConfigInfo(null);
			string title = null;   // for docname, remove the '.lib', i.e. substring(0,8)
			ci.AddItem("Edit", "Initialized", "true");
			ci.AddItem("History", "OriginalFileName", fi.Name);
			string tmpRtfFileName = GetLibDocData(fi, ci, ref title);
			int Docid = SaveWordDoc(tmpRtfFileName, title, null, false, ci, string.Empty,fi.LastWriteTimeUtc);
			File.Delete(tmpRtfFileName);
			return Docid;
		}
		private string LoadFromLib(BinaryReader br)
		{
			int nchar = br.ReadInt16();
			if (nchar > 0)
			{
				string tmp = new string(br.ReadChars(nchar));
				return tmp.Substring(0, tmp.Length - 1);  // remove null at end.
			}
			return null;
		}
		private string GetLibDocData(FileInfo fi, ConfigInfo ci, ref string title)
		{
			title = null;
			// get the number, title, etc from the file.
			// use the path to open the file & read the title & comment
			DateTime dts = fi.LastWriteTimeUtc;
			FileStream fs = fi.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
			BinaryReader br = new BinaryReader(fs, System.Text.ASCIIEncoding.ASCII);
			string tmpRtfFileName = Path.GetTempFileName();
			FileStream tmpfile = new FileStream(tmpRtfFileName, FileMode.Create);
			BinaryWriter bw = new BinaryWriter(tmpfile, System.Text.Encoding.ASCII);
			int cntPage = br.ReadInt16();
			if (cntPage != -1)
			{  	// Not End of File
				ci.AddItem("Section", "NumPages", cntPage.ToString());
				string ldtitle = LoadFromLib(br);
				if (ldtitle != null && ldtitle != "") title = ldtitle;
				ci.AddItem("LibDoc", "Comment", LoadFromLib(br));
				long l = br.BaseStream.Length - br.BaseStream.Position;
				byte[] buf = new byte[l];
				br.Read(buf, 0, (int)l);
				bw.Write(buf, 0, (int)l);
				br.Close();
				fs.Close();
				bw.Close();
				tmpfile.Close();
				WaitMS(wms);			// give it some time to close the tempfile before adding section
				File.SetLastWriteTimeUtc(tmpRtfFileName, dts);
			}
			return tmpRtfFileName;
		}
	}
		 
}