// ========================================================================
// 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.CSLA.Library;

namespace DataLoader
{
	public partial class frmLoader : Form
	{
        private int AddTrans(int fromId, DataRow dr)
        {
            //TODO: ZTransitions tr.Oldto = dr["OLDTO"].ToString();
            string thekey = dr["TONUMBER"].ToString() + "|" + dr["TOSEQUENCE"].ToString();
            string dti = dr["DTI"].ToString().PadRight(18, ' ');
            string userid = dti.Substring(13, 5).Trim();
            DateTime dts = GetDTS(MakeDate(dti.Substring(0, 8).Trim()), dti.Substring(8, 5).Trim());
            // if it's in the dictionary of structure elements already migrated, just use this 
            // structure id, or if it's in the dictionary of structure elements that have
            // not been migrated but a record was created from this code, use it.  Otherwise
            // create a new structure record and use its id, its data will be updated later.
            // a structure record.
            int toid;
            if (dicTrans_StrDone.ContainsKey(thekey))
                toid = dicTrans_StrDone[thekey];
            else
            {
                if (dicTrans_StrIds.ContainsKey(thekey))
                    toid = dicTrans_StrIds[thekey];
                else
                {
                    Structure str = Structure.MakeStructure(0, 0, 0, 0);
                    toid = str.StructureID;
                    dicTrans_StrIds.Add(thekey, toid);
                }
            }
            Transition tr = Transition.MakeTransition(fromId, toid, System.Convert.ToInt32(dr["TYPE"].ToString()),0,0,0,0,dts,userid);
            return tr.TransitionId;
        }

        private string MigrateTrans(OleDbConnection cn, string textm, string seqcvt, int structId)
		{
			StringBuilder trtxt = new StringBuilder();
			int instance = 0;
			int beg = 0;
			DataTable dt = null;
			DataSet ds = null;
			OleDbDataAdapter da = null;

			char[] chrtrn = { '\x252C', '\x2566' };
			int tok = textm.IndexOfAny(chrtrn);
			if (tok > -1)
			{
                string cmd = "SELECT * FROM [tran] WHERE [FROMNUMBER]='" + ProcNumber.Replace("'", "''") + "' AND [FROMSEQUEN] ='" + seqcvt + "' ORDER BY [FROMINSTAN]";
				da = new OleDbDataAdapter(cmd, cn);
				// get transition records for this step.
				ds = new DataSet();
				try
				{
					da.Fill(ds);
					dt = ds.Tables[0];
					dt.CaseSensitive = true;
				}
				catch (Exception ex)
				{
					log.Error("Error getting transitions");
                    log.ErrorFormat("from number = {0} oldstepsequence = {1}", ProcNumber, seqcvt);
                    log.ErrorFormat("{0}\r\n\r\n{1}", ex.Message, ex.InnerException);
					return textm;
				}
			}
			while (tok > -1)
			{
				// found a transition token, add the token and transition id into the string and
				// add an transition record for it.  Later there may be text added.
				trtxt.Append(textm.Substring(beg, tok - beg));
				// we have too many tokens and not enough usage records - report an error...
				if (instance >= dt.Rows.Count)
				{
                    log.ErrorFormat("Error - ran out of usage records for step, check data ");
                    log.ErrorFormat("from number = {0} oldstepsequence = {1}", ProcNumber, seqcvt);
				}
				else
				{
					DataRow dr = dt.Rows[instance];
					int trid = AddTrans(structId, dr);
					trtxt.Append(textm[tok]);
					trtxt.Append("{{");
					trtxt.Append(trid.ToString());
					trtxt.Append("}}");
				}
				instance++;
				beg = tok + 1;
				if (beg > textm.Length)
				{
					tok = -1;
					da.Dispose();
				}
				else
					tok = textm.IndexOfAny(chrtrn, beg);
			}
			if (beg < textm.Length - 1)
				trtxt.Append(textm.Substring(beg, textm.Length - beg));
			if (dt.Rows.Count > instance + 1)
			{
                log.ErrorFormat("Error - extra usage records for step, check data ");
                log.ErrorFormat("from number = {0} oldstepsequence = {1}", ProcNumber, seqcvt);
			}
			return trtxt.ToString();
		}
		private void ShowMissingTransitions()
		{
			log.Info("Missing Transitions");
			foreach (string s in dicTrans_StrIds.Keys)
			{
				log.InfoFormat("{0} - {1}", s, dicTrans_StrIds[s]);
			}
            log.Info("End of Missing Transitions");
		}
	}
}