// <copyright file="gpl-2.0.txt">
// ORIGINAL CODE BASE IS Copyright (C) 2006-2010 by Alphons van der Heijden.
// The code was donated on 2010-04-28 by Alphons van der Heijden to Brandon 'Dimentox Travanti' Husbands &
// Malcolm J. Kudra, who in turn License under the GPLv2 in agreement with Alphons van der Heijden's wishes.
//
// The community would like to thank Alphons for all of his hard work, blood sweat and tears. Without his work
// the community would be stuck with crappy editors.
//
// The source code in this file ("Source Code") is provided by The LSLEditor Group to you under the terms of the GNU
// General Public License, version 2.0 ("GPL"), unless you have obtained a separate licensing agreement ("Other
// License"), formally executed by you and The LSLEditor Group.
// Terms of the GPL can be found in the gplv2.txt document.
//
// GPLv2 Header
// ************
// LSLEditor, a External editor for the LSL Language.
// Copyright (C) 2010 The LSLEditor Group.
//
// This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
// Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
// ********************************************************************************************************************
// The above copyright notice and this permission notice shall be included in copies or substantial portions of the
// Software.
// ********************************************************************************************************************
// </copyright>
//
// <summary>
//
//
// </summary>

using System;
using System.IO;
using System.Reflection;
using System.Diagnostics;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Text;
/*
 	<p>
		- Added: <b>Plugin support</b><br />
		At this moment only lslint.exe is supported! (get the windows version from <a href="http://w-hat.com/lslint/">http://w-hat.com/lslint/</a>)<br />
		Create a subdirectory 'plugins' in the directory where LSLEditor.exe resides<br />
		Copy lslint.exe into this plugins directory<br />
		Menu Tools - Options - Environment - Plugins - Check lslint checkbox<br />
		When hitting the OK button, Menu - Tools - lslint should appear<br />
	</p>
 
 */
namespace LSLEditor.Plugins
{
	class LSLint
	{
		public string ExceptionMessage;
		public bool HasErrors;

		public LSLint()
		{
			ExceptionMessage = "";
		}
		private string Execute(string strSourceCode)
		{
			string strAll = "";
			try
			{
				string strPluginName = "lslint";
				string strArguments = "";
				Process process = new Process();

				string strDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
				string strPluginsDirectory = Path.Combine(strDirectory, "Plugins");
				string strProgram = Path.Combine(strPluginsDirectory, strPluginName + ".exe");

				process.StartInfo.UseShellExecute = false;
				process.StartInfo.RedirectStandardOutput = true;
				process.StartInfo.RedirectStandardError = true;
				process.StartInfo.RedirectStandardInput = true;
				process.StartInfo.CreateNoWindow = true;
				process.StartInfo.FileName = strProgram;
				process.StartInfo.Arguments = strArguments;
				process.Start();
				process.StandardInput.Write(strSourceCode);
				process.StandardInput.Close();
				strAll = process.StandardError.ReadToEnd();
				process.WaitForExit();
			}
			catch(Exception exception)
			{
				this.ExceptionMessage += exception.Message + "\r\n";
			}
			return strAll;
		}

		private void RunOnce(ListView listView, EditForm editForm)
		{
			// ProjectName, ScriptName, 
			string strErrors = Execute(editForm.SourceCode);
			StringReader sr = new StringReader(strErrors);
			int intNr = 1;
			while (true)
			{
				string strLine = sr.ReadLine();
				if (strLine == null)
					break;
				strLine = strLine.Trim();

				if (strLine.StartsWith("TOTAL"))
					continue;

				string strLineNr = "";
				string strColumnNr = "";
				string strErrorNr = "";

				int intImageIndex = -1;
				if (strLine.StartsWith("WARN"))
					intImageIndex = 1;

				if (strLine.StartsWith("ERR"))
					intImageIndex = 0;

				int intI = strLine.IndexOf("::");
				if (intI > 0)
				{
					strLine = strLine.Substring(intI + 2).Trim();
					intI = strLine.IndexOf(":");
					if (intI > 0)
					{
						string strLineColumn = strLine.Substring(0, intI).Replace("(", "").Replace(")", "").Replace(" ", "");
						string[] LineColumn = strLineColumn.Split(new char[] { ',' });
						if (LineColumn.Length > 1)
						{
							int intLine = 0;
							int intColumn = 0;

							int.TryParse(LineColumn[0], out intLine);
							int.TryParse(LineColumn[1], out intColumn);

							strLineNr = intLine.ToString();
							strColumnNr = intColumn.ToString();
							strErrorNr = intNr.ToString();
						}
						strLine = strLine.Substring(intI + 1).Trim();
					}
				}

				ListViewItem lvi = new ListViewItem(new string[] {
						"",							// 0
						strErrorNr,					// 1
						strLine,					// 2
						editForm.ScriptName,		// 3
						strLineNr,					// 4
						strColumnNr,				// 5
						editForm.ProjectName ,		// 6
						editForm.FullPathName,		// 7
						editForm.guid.ToString(),	// 8
						editForm.IsScript.ToString()// 9
							} , intImageIndex);
				listView.Items.Add(lvi);
				if(strErrorNr!="")
					intNr++;
			}
		}

		public bool SyntaxCheck(LSLEditorForm parent)
		{
			foreach (Form form in parent.Children)
			{
				EditForm editForm = form as EditForm;
				if (editForm == null || editForm.IsDisposed)
					continue;
				RunOnce(parent.SyntaxErrors.ListView, editForm);
			}
			this.HasErrors = (parent.SyntaxErrors.ListView.Items.Count != 0);
			return (ExceptionMessage == "");
		}
	}
}