/*

 * CKFinder

 * ========

 * http://ckfinder.com

 * Copyright (C) 2007-2009, CKSource - Frederico Knabben. All rights reserved.

 *

 * The software, this file and its contents are subject to the CKFinder

 * License. Please read the license.txt file before using, installing, copying,

 * modifying or distribute this file or part of its contents. The contents of

 * this file is part of the Source Code of CKFinder.

 */



using System;

using System.Web;

using System.Xml;

using System.Globalization;

using System.Text.RegularExpressions;



namespace CKFinder.Connector.CommandHandlers

{

	internal class RenameFolderCommandHandler : XmlCommandHandlerBase

	{

		public RenameFolderCommandHandler()

			: base()

		{

		}



		protected override void BuildXml()

		{

			if ( !this.CurrentFolder.CheckAcl( AccessControlRules.FolderRename ) )

			{

				ConnectorException.Throw( Errors.Unauthorized );

				return;

			}



			// The root folder cannot be deleted.

			if ( this.CurrentFolder.ClientPath == "/" )

			{

				ConnectorException.Throw( Errors.InvalidRequest );

				return;

			}



			string newFileName = Request[ "NewFolderName" ];



			if ( !Connector.CheckFileName( newFileName ) || Config.Current.CheckIsHiddenFolder( newFileName ) )

			{

				ConnectorException.Throw( Errors.InvalidName );

				return;

			}



			// Get the current folder.

			System.IO.DirectoryInfo oDir = new System.IO.DirectoryInfo( this.CurrentFolder.ServerPath );



			bool bMoved = false;



			try

			{

				if ( !oDir.Exists )

					ConnectorException.Throw( Errors.InvalidRequest );

				else

				{

					// Build the new folder path.

					string newFolderPath = System.IO.Path.Combine( oDir.Parent.FullName, newFileName );



					if ( System.IO.Directory.Exists( newFolderPath ) )

					{

						ConnectorException.Throw( Errors.AlreadyExist );

						return;

					}



					oDir.MoveTo( newFolderPath );

					bMoved = true;

				}

			}

			catch ( System.UnauthorizedAccessException )

			{

				ConnectorException.Throw( Errors.AccessDenied );

			}

			catch ( System.ArgumentException )

			{

				ConnectorException.Throw( Errors.InvalidName );

			}

			catch ( System.NotSupportedException )

			{

				ConnectorException.Throw( Errors.InvalidName );

			}

			catch ( System.IO.PathTooLongException )

			{

				ConnectorException.Throw( Errors.InvalidName );

			}

			catch ( System.IO.IOException )

			{

				ConnectorException.Throw( Errors.Unknown );

			}

			catch ( Exception )

			{

				ConnectorException.Throw( Errors.Unknown );

			}



			if ( bMoved )

			{

				try

				{

					// Get the thumbnails folder.

					System.IO.DirectoryInfo oThumbsDir = new System.IO.DirectoryInfo( this.CurrentFolder.ThumbsServerPath );



					// Build the new folder path.

					string newThumbsFolderPath = System.IO.Path.Combine( oThumbsDir.Parent.FullName, newFileName );



					if ( System.IO.Directory.Exists( newThumbsFolderPath ) )

					{

						System.IO.File.Delete( this.CurrentFolder.ThumbsServerPath );

					}

					else

					{

						try

						{

							oThumbsDir.MoveTo( newThumbsFolderPath );

						}

						catch

						{

							System.IO.File.Delete( this.CurrentFolder.ThumbsServerPath );

						}

					}

				}

				catch { /* No errors if we are not able to delete the thumb. */ }



				string newFolderPath = Regex.Replace( this.CurrentFolder.ClientPath, "[^/]+/?$", newFileName ) + "/";

				string newFolderUrl = this.CurrentFolder.ResourceTypeInfo.Url + newFolderPath.TrimStart( '/' );



				XmlNode oRenamedNode = XmlUtil.AppendElement( this.ConnectorNode, "RenamedFolder" );

				XmlUtil.SetAttribute( oRenamedNode, "newName", newFileName );

				XmlUtil.SetAttribute( oRenamedNode, "newPath", newFolderPath );

				XmlUtil.SetAttribute( oRenamedNode, "newUrl", newFolderUrl );

			}

		}

	}

}