using System;
using System.Collections.Generic;
using System.Text;
using LBWordLibrary;

namespace Volian.MSWord
{
	public class WordDoc
	{
		private static LBApplicationClass _MyWordApp;
		public static LBApplicationClass MyWordApp
		{
			get 
			{
				if (_MyWordApp == null)
					_MyWordApp = new LBApplicationClass();
				return WordDoc._MyWordApp; 
			}
		}
		private LBDocumentClass _MyWordDoc;
		public LBDocumentClass MyWordDoc
		{
			get 
			{	return _MyWordDoc; }
		}
		private string _DocName;
		public string DocName
		{
			get { return _DocName; }
			set { _DocName = value; }
		}
		public WordDoc(string docName)
		{
			DocName = docName;
			_MyWordDoc = MyWordApp.Documents.Open(_DocName, false);
		}
		public string Save()
		{
			try
			{
				MyWordDoc.SaveAs(DocName, LBWdSaveFormat.wdFormatDocument);
				return "Successful Save";
			}
			catch (Exception ex)
			{
				return string.Format("Error during Doc save - {0}", ex.Message);
			}
		}
		public string Save(string docName)
		{
			DocName = docName;
			return Save();
		}
		public void Close()
		{
			MyWordDoc.Close(false);
		}
		public float SetLineSpacing(float linesPerInch)	// if need landscape set too: , bool landscape) 
		{
			float retval = 0;
			LBSelection selection = MyWordApp.Selection;
			selection.WholeStory();
			retval = selection.ParagraphFormat.LineSpacing;
			selection.ParagraphFormat.SpaceBefore = 0;
			selection.ParagraphFormat.SpaceAfter = 0;
			selection.ParagraphFormat.LineSpacingRule = LBWdLineSpacing.wdLineSpaceExactly;
			selection.ParagraphFormat.LineSpacing = 72 / linesPerInch;
			return retval;
		}
		public float Length
		{
			get 
			{
				try
				{
					return MyWordDoc.Length;
				}
				catch (Exception ex)
				{
					Console.WriteLine("Error Getting Length, {0}", ex.Message);
				}
				return 0;
			}
		}
		public static void CloseApp()
		{
			if(_MyWordApp != null)
			{
				TryToQuit();
				KillWordApps();
			}
		}

		private static void TryToQuit()
		{
			try
			{
				_MyWordApp.Quit(false);
			}
			catch (Exception ex)
			{
				Console.WriteLine("{0} - {1}", ex.GetType().Name, ex.Message);
			}
			_MyWordApp=null;
		}
		public static void KillWordApps()
		{
			try
			{
				TerminateProcesses(WordProcesses);
			}
			catch (Exception ex)
			{
				Console.WriteLine("{0} - {1}", ex.GetType().Name, ex.Message);
			}
		}
		public static void TerminateProcesses(System.Diagnostics.Process[] wordProcesses)
		{
			foreach (System.Diagnostics.Process proc in wordProcesses)
			{
				// Determine if Word is Visible
				// If it is let it run
				// otherwise Kill it.
				if(proc.MainWindowTitle=="")
					proc.Kill();
			}
			_MyWordApp = null;
		}
		public static System.Diagnostics.Process[] WordProcesses
		{
			get
			{
				return System.Diagnostics.Process.GetProcessesByName("WINWORD");
			}
		}

	}
}