/*
 * Copyright (C) 2005-2007 Alfresco Software Limited.
 *
 * 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.

 * As a special exception to the terms and conditions of version 2.0 of 
 * the GPL, you may redistribute this Program in connection with Free/Libre 
 * and Open Source Software ("FLOSS") applications as described in Alfresco's 
 * FLOSS exception.  You should have recieved a copy of the text describing 
 * the FLOSS exception, and it is also available here: 
 * http://www.alfresco.com/legal/licensing"
 */
package org.alfresco.web.bean.wcm;

import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.faces.context.FacesContext;
import javax.faces.model.SelectItem;

import org.alfresco.model.ApplicationModel;
import org.alfresco.model.ContentModel;
import org.alfresco.model.WCMAppModel;
import org.alfresco.repo.avm.AVMNodeConverter;
import org.alfresco.repo.domain.PropertyValue;
import org.alfresco.service.cmr.avm.AVMNodeDescriptor;
import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.search.ResultSet;
import org.alfresco.service.cmr.search.ResultSetRow;
import org.alfresco.service.cmr.search.SearchService;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.web.app.Application;
import org.alfresco.web.bean.repository.Repository;
import org.alfresco.web.data.IDataContainer;
import org.alfresco.web.data.QuickSort;
import org.alfresco.web.ui.common.Utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Bean implementation for the AVM "Create Layered Folder" dialog.
 * 
 * @author Gavin Cornwell
 */
public class CreateLayeredFolderDialog extends CreateFolderDialog
{
   private static final long serialVersionUID = -2922225296046521490L;

   private static final Log logger = LogFactory.getLog(CreateLayeredFolderDialog.class);
   
   protected String targetStore;
   protected String targetPath;
   protected List<SelectItem> webProjects;
   
   // ------------------------------------------------------------------------------
   // Dialog implementation
   
   /**
    * @see org.alfresco.web.bean.dialog.BaseDialogBean#init(java.util.Map)
    */
   @Override
   public void init(Map<String, String> parameters)
   {
      super.init(parameters);
      
      this.targetStore = null;
      this.targetPath = null;
      this.webProjects = null;
   } 
   
   /**
    * @see org.alfresco.web.bean.dialog.BaseDialogBean#finishImpl(javax.faces.context.FacesContext, java.lang.String)
    */
   @Override
   protected String finishImpl(FacesContext context, String outcome) throws Exception
   {
      String parent = this.avmBrowseBean.getCurrentPath();
      
      if (this.targetPath.startsWith("/") == false)
      {
         this.targetPath = "/" + this.targetPath;
      }
      
      String layeredPath = AVMUtil.buildSandboxRootPath(this.targetStore) + this.targetPath;
      
      if (logger.isDebugEnabled())
         logger.debug("Creating layered folder named '" + this.name + "' in '" +
                      parent + "' pointing to '" + layeredPath + "'");
      
      // Check the target path exists, display warning if not
      AVMNodeDescriptor nodeDesc = getAvmService().lookup(-1, layeredPath);
      if (nodeDesc != null)
      {
         // create the layered directory
         getAvmService().createLayeredDirectory(layeredPath, parent, this.name);
         
         // add titled aspect and set the title (if supplied) and description
         String newDirPath = parent + "/" + this.name;
         NodeRef nodeRef = AVMNodeConverter.ToNodeRef(-1, newDirPath);
         getNodeService().addAspect(nodeRef, ApplicationModel.ASPECT_UIFACETS, null);
         if (this.title != null && this.title.length() != 0)
         {
            this.getAvmService().setNodeProperty(newDirPath, ContentModel.PROP_TITLE, 
                     new PropertyValue(DataTypeDefinition.TEXT, this.title));
         }
         
         String desc = MessageFormat.format(
                  Application.getMessage(FacesContext.getCurrentInstance(), "shared_from"), 
                  layeredPath);
         this.getAvmService().setNodeProperty(newDirPath, ContentModel.PROP_DESCRIPTION, 
                  new PropertyValue(DataTypeDefinition.TEXT, desc));
      }
      else
      {
         String pattern = Application.getMessage(context, "target_does_not_exists");
         Utils.addErrorMessage(MessageFormat.format(pattern, this.targetPath));
      }
      
      return outcome;
   }
   
   // ------------------------------------------------------------------------------
   // Bean getters and setters
   
   /**
    * @return List of UISelectItem objects representing the web projects to select from
    */
   public List<SelectItem> getWebProjects()
   {
      if (this.webProjects == null)
      {
         // get the current web project dns name
         String thisStoreName = this.avmBrowseBean.getWebProject().getStagingStore();
         
         FacesContext fc = FacesContext.getCurrentInstance();
         
         // construct the query to retrieve the web projects
         String path = Application.getRootPath(fc) + "/" + Application.getWebsitesFolderName(fc) + "/*";
         StringBuilder query = new StringBuilder(200);
         query.append("PATH:\"/").append(path).append("\"");
         query.append(" +TYPE:\"{").append(NamespaceService.WCMAPP_MODEL_1_0_URI).append("}webfolder\"");
         
         ResultSet results = null;
         try
         {
            // execute the query
            results = getSearchService().query(Repository.getStoreRef(), 
                                          SearchService.LANGUAGE_LUCENE, query.toString());
            this.webProjects = new ArrayList<SelectItem>(results.length());
            for (ResultSetRow row : results)
            {
               NodeRef ref = row.getNodeRef();
               String name = (String)getNodeService().getProperty(ref, ContentModel.PROP_NAME);
               String dns = (String)getNodeService().getProperty(ref, WCMAppModel.PROP_AVMSTORE);
               
               // don't add ourself to the list of projects
               if (thisStoreName.equals(dns) == false)
               {
                  this.webProjects.add(new SelectItem(dns, name));
               }
            }
         }
         finally
         {
            if (results != null)
            {
               results.close();
            }
         }
         
         // sort the projects by their name
         QuickSort sorter = new QuickSort(this.webProjects, "label", true, IDataContainer.SORT_CASEINSENSITIVE);
         sorter.sort();
      }
      
      return this.webProjects;
   }

   /**
    * @param targetStore The store the layered folder is in
    */
   public void setTargetStore(String targetStore)
   {
      this.targetStore = targetStore;
   }
   
   /**
    * @return The target store the layered folder is in
    */
   public String getTargetStore()
   {
      return this.targetStore;
   }

   /**
    * @return The target path for the layered folder
    */
   public String getTargetPath()
   {
      return this.targetPath;
   }

   /**
    * @param targetPath The target path of the layered folder
    */
   public void setTargetPath(String targetPath)
   {
      this.targetPath = targetPath;
   }
}