// ========================================================================
// 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 Int32 MigrateProcedure(OleDbConnection cn, DataRow dr, Byte FromType, Int32 FromID, string pth)
		{
			dicOldStepSequence = new Dictionary<object, string>();
			Stack<int> SubSectLevels = new Stack<int>();    // levels of subsections
			ProcFileName = dr["Entry"].ToString();
			ProcNumber = dr["Number"].ToString();
			DateTime dts = GetDTS(dr["Date"].ToString(), dr["Time"].ToString());
            string userid = dr["initials"].ToString().Trim();

            ConfigInfo ci = null;
            string tstr = dr["Proccode"].ToString();
            if (tstr != null && tstr != "")
            {
                ci = new ConfigInfo(null);
                ci.AddItem("Procedure", "ProcCode", tstr);
            }
            tstr = dr["Series"].ToString();
            if (tstr != null && tstr != "")
            {
                if (ci == null) ci = new ConfigInfo(null);
                ci.AddItem("Procedure", "Series", tstr);
            }

            DataSet ds = new DataSet();
            DataTable dt = null;

            // See if there is PSI and if so, add it to the xml.
            OleDbDataAdapter dapsi = new OleDbDataAdapter("select * from [" + dr["entry"] + "] where [STEP] is null", cn);
            dapsi.Fill(ds);
            dt = ds.Tables[0];

            if (dt.Rows.Count > 0)
            {
                DataRow drpsi = dt.Rows[0];
                string psistr = drpsi["TEXTM"].ToString();
                if (psistr != null && psistr != "")
                {
                    StringReader strrd = new StringReader(psistr);

                    string sLine;
                    if (ci == null) ci = new ConfigInfo(null);
                    while ((sLine = strrd.ReadLine()) != null)
                    {
                        int indx = sLine.IndexOf(' ');
                        string nm = null;
                        string vl = null;
                        if (indx < 0)
                            nm = sLine;
                        else
                        {
                            nm = sLine.Substring(0, indx);
                            vl = sLine.Substring(indx+1, sLine.Length-indx-1);
                        }
                        ci.AddItem("PSI", nm, vl==null?null:vl);
                    }
                }
            }
            dapsi.Dispose();

            // Note, for now the data from the format field will be saved. Later, xpath, ??
			EditSectId = 0;
            
            Byte FrType = 2;
            Int32 FrID = 0;// str.Structureid;
            Procedure prc = Procedure.MakeProcedure(TextConvert.ConvertText(dr["Number"].ToString()), TextConvert.ConvertText(dr["Title"].ToString()), ci==null?null:ci.ToString(), null, 0, 0, dts, userid);
            Structure str = Structure.MakeStructure(FromType, FromID, 1, prc.ProcID, dts, userid);
            UpdateLabels(1, 0, 0);
            //OleDbDataAdapter da = new OleDbDataAdapter("select * from (select asc(mid(sequence,2,1)) as locb,* from [" + dr["entry"] + "] where sequence like ' %') order by locb asc", cn);
            OleDbDataAdapter da = new OleDbDataAdapter("select * from [" + dr["entry"] + "] where sequence like ' %'", cn);			
			try
			{
				LoadSection(ds, da, dr["entry"].ToString());
				da.SelectCommand.CommandText = "select * from [" + dr["entry"] + "] where step not like '  '";
				da.Fill(ds, "Steps");
				dt = ds.Tables["Steps"];
				dt.CaseSensitive = true;
				ds.Tables["Steps"].CaseSensitive = true;
				dt.Columns.Add("CStep", System.Type.GetType("System.String"));
				dt.Columns.Add("CSequence", System.Type.GetType("System.String"));
				// set the cstep & csequence - couldn't do it in the add because it needed a sql function
				foreach (DataRow drw in ds.Tables["Steps"].Rows)
				{
					drw["CStep"] = TextConvert.ConvertSeq(drw["Step"].ToString());
					drw["CSequence"] = TextConvert.ConvertSeq(drw["Sequence"].ToString());
				}
				dt.Columns.Add("StepNo", System.Type.GetType("System.Int32"), "Convert(Convert(Substring(CStep,2,1),'System.Char'),'System.Int32')-48");
				dt.Columns.Add("Level", System.Type.GetType("System.Int32"), "Len(CSequence)");
				dt.Columns.Add("SubStepNo", System.Type.GetType("System.Int32"), "Convert(Convert(Substring(CSequence,Len(CSequence),1),'System.Char'),'System.Int32')-48");
			}
			catch (Exception ex)
			{
				log.ErrorFormat("{0}\r\n\r\n{1}", ex.Message, ex.InnerException);
                log.Error(ex.StackTrace);
			}

            Dictionary<int, int> dicSecCount = new Dictionary<int, int>();
            Dictionary<int, int> dicSecID = new Dictionary<int, int>();
			pbSect.Maximum = ds.Tables["Sections"].Rows.Count;
			pbSect.Value = 0;

			DataTable dtsect = ds.Tables["Sections"];
			dtsect.CaseSensitive = true;
			DataView dv = new DataView(dtsect, "", "locb", DataViewRowState.CurrentRows);
			foreach (DataRowView drw in dv)
			{
				FrID = MigrateSection(prc, cn, drw, ds.Tables["Steps"], FrType, FrID, dicSecCount.Count > 0 ? true : false, pth);
                if (prc.StructureID == 0)
				{
					prc.StructureID = FrID;
                    prc.Save(true); //force update
				}
				FrType = 0;
				dicSecID[dicSecCount.Count] = FrID;
				if (dicSecCount.Count > 0)
				{
					if ((dicSecCount[dicSecCount.Count]) == 1)
					{
						dicSecCount.Remove(dicSecCount.Count);
						FrID = dicSecID[dicSecCount.Count];
					}
					else
					{
						dicSecCount[dicSecCount.Count] = dicSecCount[dicSecCount.Count] - 1;
					}
				}
				int subSecs = drw["Sequence"].ToString().PadRight(12, ' ')[5] - 48;
				if (subSecs > 0)
				{
					dicSecCount[dicSecCount.Count + 1] = subSecs;
					FrType = 2;
				}
			}
			if (EditSectId != 0)
			{
				prc.StructureStart = EditSectId;
				EditSectId = 0;
                prc.Save(true);  // force update
			}
			return str.StructureID;
		}
		private Int32 MigrateProcedures(OleDbConnection cn, string pth)
		{
			// Loop through Set File for each Procedure
			OleDbDataAdapter da = new OleDbDataAdapter("Select * from [set] where entry is not null", cn);
			DataSet ds = new DataSet();
			da.Fill(ds);
			Byte FrType = 1;
			Int32 FrID = 0;
			Int32 FirstID = 0;
			pbProc.Maximum = ds.Tables[0].Rows.Count;
			UpdateLabels(0, 0, 0);
			foreach (DataRow dr in ds.Tables[0].Rows)
			{
				FrID = MigrateProcedure(cn, dr, FrType, FrID, pth);
				if (FirstID == 0) FirstID = FrID;
				FrType = 0;
			}
			da.Dispose();
			return FirstID;
		}
	}
}