// ****************************************************************

// Copyright 2008, Charlie Poole

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org

// ****************************************************************

using System;

using System.IO;

using NUnit.Core;

using NUnit.Core.Extensibility;

using NUnit.Util.Extensibility;



namespace NUnit.Util.ProjectConverters

{

	/// <summary>

	/// Summary description for VSProjectLoader.

	/// </summary>

	public class VisualStudioConverter : IProjectConverter

	{

		#region IProjectConverter Members



		public bool CanConvertFrom(string path)

		{

			return VSProject.IsProjectFile(path)|| VSProject.IsSolutionFile(path);

		}



		public NUnitProject ConvertFrom(string path)

		{

			NUnitProject project = new NUnitProject( Path.GetFullPath( path ) );



			if ( VSProject.IsProjectFile(path) )

			{

				VSProject vsProject = new VSProject( path );

				project.Add( vsProject );

			}

			else if ( VSProject.IsSolutionFile(path) )

			{

				string solutionDirectory = Path.GetDirectoryName( path );

				using(StreamReader reader = new StreamReader( path ))

				{

					char[] delims = { '=', ',' };

					char[] trimchars = { ' ', '"' };



					string line = reader.ReadLine();

					while ( line != null )

					{

						if ( line.StartsWith( "Project" ) )

						{

							string[] parts = line.Split( delims );

							string vsProjectPath = parts[2].Trim(trimchars);

						

							if ( VSProject.IsProjectFile( vsProjectPath ) )

								project.Add( new VSProject( Path.Combine( solutionDirectory, vsProjectPath ) ) );

						}



						line = reader.ReadLine();

					}

				}

			}



			project.IsDirty = false;



			return project;

		}



		#endregion

	}

}