// ========================================================================
// 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.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.IO;
using System.Xml.Serialization;
using System.Xml;
using System.Xml.XPath;
using System.Text.RegularExpressions;
//using Config;

namespace VEPROMS.CSLA.Library
{
	public partial class ROFst
	{
		[NonSerialized]
		private ROFSTLookup _ROFSTLookup;
		public ROFSTLookup ROFSTLookup
		{
			get
			{
				if (_ROFSTLookup == null)
				{
					_ROFSTLookup = new ROFSTLookup(this);
				}
				return _ROFSTLookup;
			}
		}
	}
	public partial class ROFstInfo
	{
        #region Log4Net
        private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        #endregion
		#region PropertiesAndData
		private DocVersion _docVer;
		public DocVersion docVer
		{
			get 
			{
				if (_docVer == null)
				{
					if (ROFstAssociations.Count == 0) return null;
					_docVer = DocVersion.Get(this.ROFstAssociations[0].MyDocVersion.VersionID);
				}
				return _docVer;
			}
			set
			{
				_docVer = value;
				
			}
		}
		[NonSerialized]
		private ROFSTLookup _ROFSTLookup;
		public ROFSTLookup ROFSTLookup
		{
			get
			{
				if (_ROFSTLookup == null)
				{
					_ROFSTLookup = new ROFSTLookup(this);
				}
				return _ROFSTLookup;
			}
		}
		#endregion
		#region AppSupport
		//public static ROImageInfo Get(RODbInfo rodbinfo, string filename)
		//{
		//    if (rodbinfo.RODbROImageCount != 0)
		//    {
		//        foreach (ROImageInfo ri in rodbinfo.RODbROImages)
		//        {
		//            if (ri.FileName == filename) return ri;
		//        }
		//    }
		//    return null;
		//}
		public string GetDefaultROPrefix()
		{
			if (docVer != null)
				return docVer.DocVersionConfig.RODefaults_setpointprefix;
			else
				return "SP1"; // Not Sure about this...
		}
		public string GetDefaultGraphicsPrefix()
		{
			if (docVer != null)
				return docVer.DocVersionConfig.RODefaults_graphicsprefix;
			else
				return "IG1"; // Not Sure about this...
		}
		#region Add New Ro Fst
		/// <summary>
		/// Adds an ro.fst into a sql database.  
		/// </summary>
		/// <param name="rdi" - the Rodb to use as the path for updating the ro.fst, i.e.
		///              import from there.
		/// <param name="docver" - hook into this doc version></param>
		/// <returns>ROFst: Returns the created rofst object</returns>
		public static ROFst AddRoFst(RODbInfo rdi, DocVersion docver)
		{
			string rofstfilepath = rdi.FolderPath + @"\ro.fst";
			DirectoryInfo di = new DirectoryInfo(rdi.FolderPath);

			// check if this rofst has been loaded, i.e. dts on file versus dts in db...
			// if so, just make association with docversion.
			ROFst rofst = ROFst.GetByRODbID_DTS(rdi.RODbID, di.LastWriteTime);
			if (rofst != null)
			{
				docver.DocVersionAssociations.Add(rofst);
				docver.Save();
				return rofst;
			}

			// Next read in the rofst & make the rofst record.
			FileStream fsIn = new FileStream(rofstfilepath, FileMode.Open, FileAccess.Read, FileShare.Read);
			// Create an instance of StreamReader that can read characters from the FileStream.
			BinaryReader r = new BinaryReader(fsIn);
			byte[] ab = r.ReadBytes((int)fsIn.Length);
			fsIn.Close();

			using (RODb rd = RODb.Get(rdi.RODbID))
			{
				rofst = ROFst.MakeROFst(rd, ab, null, di.LastWriteTime, rdi.UserID);
				// Hook this into the current docversion by replacing the rofstid field in the doc version
				// association object:
				docver.DocVersionAssociations.Add(rofst);
				docver.Save();

				// Now load any images in... type 8 - integrated graphics ro type
				for (int i = 0; i < rofst.ROFSTLookup.myHdr.myDbs.Length; i++)
				{
					// walk through the rofst 'database' searching for all nodes that are integrated graphics, type 8:
					if (rofst.ROFSTLookup.myHdr.myDbs[i].children != null)
					{
						using (ROFstInfo rfi = ROFstInfo.Get(rofst.ROFstID))
						{
							rfi.MigrateRoFstGraphics(rdi, rofst.ROFSTLookup.myHdr.myDbs[i].children);
						}
					}
				}
				return rofst;
			}
		}
		#endregion
		#region Update Ro Values
		/// <summary>
		/// Updates an ro.fst into a sql database.  
		/// </summary>
		/// <param name="rdi" - the Rodb to use as the path for updating the ro.fst, i.e.
		///              import from there.
		/// <param name="dva" - the association record to modify, i.e. make new rofst
		///				  the current one.
		/// <param name="docver" - hook into this doc version></param>
		/// <returns>ROFst: Returns the created rofst object</returns>
		public static ROFst UpdateRoFst(RODbInfo rdi, DocVersionAssociation dva, DocVersion docver, ROFstInfo origROFst)
		{
			// file validity checks are done before getting here - just do the import
			// here.
			string rofstfilepath = rdi.FolderPath + @"\ro.fst";

			DirectoryInfo di = new DirectoryInfo(rdi.FolderPath);

			// There may be more than 1 'ro' as the 'ROName' field (ROName is derived from the ropath).
			// Get new name be incrementing, if so.
			string newname = NewROName(di.Name);

			// Next read in the rofst & make the rofst record.
			FileStream fsIn = new FileStream(rofstfilepath, FileMode.Open, FileAccess.Read, FileShare.Read);
			// Create an instance of StreamReader that can read characters from the FileStream.
			BinaryReader r = new BinaryReader(fsIn);
			byte[] ab = r.ReadBytes((int)fsIn.Length);
			fsIn.Close();

			using (RODb rd = RODb.Get(rdi.RODbID))
			{
				ROFst rofst = ROFst.MakeROFst(rd, ab, null, di.LastWriteTime, rdi.UserID);
				// Hook this into the current docversion by replacing the rofstid field in the doc version
				// association object:
				dva.MyROFst = rofst;
				docver.Save();

				// Now load any images in... type 8 - integrated graphics ro type
				for (int i = 0; i < rofst.ROFSTLookup.myHdr.myDbs.Length; i++)
				{
					// walk through the rofst 'database' searching for all nodes that are integrated graphics, type 8:
					if (rofst.ROFSTLookup.myHdr.myDbs[i].children != null) 
					{
						using (ROFstInfo rfi = ROFstInfo.Get(rofst.ROFstID))
						{
							rfi.MigrateRoFstGraphics(rdi, rofst.ROFSTLookup.myHdr.myDbs[i].children);
						}
					}
				}
				// Now update the usages: compare old to new rofsts and update usages accordingly, i.e. modified
				// values, deleted ros, etc.
				UpdateROValuesText(origROFst, rofst);
				return rofst;
			}
		}
		private static void UpdateROValuesText(ROFstInfo origROFstInfo, ROFst newROFst)
		{
			ROFSTLookup origLU = new ROFSTLookup(origROFstInfo);
			ROFSTLookup newLU = new ROFSTLookup(newROFst);
			List <string> delList = new List<string>();
			List<string> chgList = newLU.GetValueDifferences(origLU, ref delList);

			foreach (string chg in chgList)
			{
				string newvalue = newLU.GetRoValue(chg);
				string desc = string.Format("Change in RO Values: Old value = {0}, New value = {1}", origLU.GetRoValue(chg), newvalue);
				// roid's are stored in database as 16 characters long in the rousages table.  They may be stored 
				// as 12 characters in the ro.fst.
				string padroid = chg.Length <= 12 ? chg + "0000" : chg;
				using (RoUsageInfoList affected = RoUsageInfoList.GetAffected(origROFstInfo.MyRODb.RODbID, padroid, desc, "Changed"))
				{
					foreach (RoUsageInfo roUsg in affected)
					{
						using (Content content = Content.Get(roUsg.MyContent.ContentID))
						{
							content.FixContentText(roUsg, newvalue);
							if (content.IsDirty)
								content.Save();
						}
					}
				}
				using (DROUsageInfoList affected = DROUsageInfoList.GetAffected(origROFstInfo.MyRODb.RODbID, padroid, desc, "Changed"))
				{
					foreach (DROUsageInfo droUsg in affected)
					{
						using (Document document = Document.Get(droUsg.DocID))
						{
							if (document.DocPdf != null)
							{
								document.DocPdf = null;
								document.Save();
							}
						}
					}
				}
			}
			foreach (string del in delList)
			{
				Console.WriteLine("Deleted ROID = {0}", del);
				string desc = string.Format("Deleted RO: Value = {0}", origLU.GetRoValue(del));
				string padroiddel = del.Length <= 12 ? del + "0000" : del;
				using (RoUsageInfoList affected = RoUsageInfoList.GetAffected(origROFstInfo.MyRODb.RODbID, padroiddel, desc, "Deleted")) ;
				using (DROUsageInfoList Daffected = DROUsageInfoList.GetAffected(origROFstInfo.MyRODb.RODbID, padroiddel, desc, "Deleted")) ;
			}

		}
		
		private static string NewROName(string roName)
		{
			string retval = roName;
			int iSuffix = -1;
			RODbInfoList rodblist = RODbInfoList.Get();


			foreach (RODbInfo rdi in rodblist)
			{
				if (rdi.ROName.StartsWith(roName))
				{
					if (rdi.ROName == roName)
						iSuffix = 0;
					else if (Regex.IsMatch(rdi.ROName, roName + "[_][0-9]+"))
					{
						int ii = int.Parse(rdi.ROName.Substring(1 + roName.Length));
						if (ii > iSuffix) iSuffix = ii;
					}
				}
			}
			if (iSuffix >= 0)
				retval = string.Format("{0}_{1}", roName, iSuffix + 1);
			return retval;
		}
		private void MigrateRoFstGraphics(RODbInfo rdi, ROFSTLookup.rochild[] rochild)
		{
			for (int i = 0; i < rochild.Length; i++)
			{
				if (rochild[i].type == 8) this.AddGraphic(rdi, rochild[i].value);
				if (rochild[i].children != null) this.MigrateRoFstGraphics(rdi, rochild[i].children);
			}
		}
		private void AddGraphic(RODbInfo rdi, string p)
		{
			if (p == null) return;
			string imgname = p.Substring(0, p.IndexOf('\n'));
			int thedot = imgname.LastIndexOf('.');
			string fname = imgname;
			if (thedot == -1 || (thedot != (imgname.Length - 4)))
			{
				RODbConfig roDbCfg = new RODbConfig(rdi.Config);
				fname += string.Format(".{0}", roDbCfg.GetDefaultGraphicExtension()); 
			}

			string imgfile = rdi.FolderPath + @"\" + fname;

			ROImage roImg = null;
			if (File.Exists(imgfile))
			{
				FileInfo fi = new FileInfo(imgfile);
				// if the roimage record exists, don't create a new one...
				using (roImg = ROImage.GetByRODbID_FileName_DTS(rdi.RODbID, imgname,fi.LastWriteTime))
				{
					if (roImg == null)
					{
						FileStream fsIn = new FileStream(imgfile, FileMode.Open, FileAccess.Read, FileShare.Read);
						BinaryReader r = new BinaryReader(fsIn);
						byte[] ab = r.ReadBytes((int)fsIn.Length);
						r.Close();
						fsIn.Close();
						using (RODb rodb = RODb.Get(rdi.RODbID))
						{
							roImg = ROImage.MakeROImage(rodb, imgname, ab, null, fi.LastWriteTime, "Migration");
						}
					}
					Figure figure = Figure.GetByROFstID_ImageID(this.ROFstID, roImg.ImageID);
					if (figure != null) return;
					using (ROFst rofst = ROFst.Get(this.ROFstID))
					{
						figure = Figure.MakeFigure(rofst, roImg, null);
					}
				}
			}
			else
				Console.WriteLine(string.Format("{0}", imgfile), "Cannot Find Image File");
		}
		#endregion
		#endregion
		public bool IsSetpointDB(int id)
		{
			ROFSTLookup.rodbi[] dbs = ROFSTLookup.GetRODatabaseList();
			foreach (ROFSTLookup.rodbi rodbi in dbs)
			{
				if (id == rodbi.dbiID)
					return (rodbi.dbiAP.StartsWith("SP"));
			}
			return false;
		}
	}
}