/**
    * This file Copyright (c) 2010-2011 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.module.admininterface.trees;
  
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.core.NodeData;
  import info.magnolia.cms.exchange.ExchangeException;
  import info.magnolia.cms.security.AccessDeniedException;
  import info.magnolia.cms.security.Security;
  import info.magnolia.cms.security.SecuritySupport;
  import info.magnolia.cms.security.User;
  import info.magnolia.cms.security.UserManager;
  import info.magnolia.cms.util.ExclusiveWrite;
  import info.magnolia.module.admininterface.AdminTreeMVCHandler;
  
  import javax.jcr.PathNotFoundException;
  import javax.jcr.RepositoryException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.lang.StringUtils;
  
  /**
   * @author had
   * @version $Id:$
   */
  public class UsersTreeHandler extends AdminTreeMVCHandler {
  
      private final SecuritySupport securitySupport;
  
      public UsersTreeHandler(String name, HttpServletRequest request, HttpServletResponse response) {
          super(name, request, response);
          securitySupport = Security.getSecuritySupport();
      }
  
      @Override
      public String createNode() {
          getTree().setPath(path);
          synchronized (ExclusiveWrite.getInstance()) {
              final UserManager userMan = securitySupport.getUserManager(StringUtils.substringAfterLast(path, "/"));
              final User user = userMan.createUser(this.getNewNodeName(), "");
              setNewNodeName(user.getName());
          }
          return VIEW_TREE;
      }
  
      @Override
      public String renameNode(String newName) throws AccessDeniedException, ExchangeException, PathNotFoundException, RepositoryException {
          newName = super.renameNode(newName);
          // update ACLs after rename
          String path = this.getPath();
          String newPath = StringUtils.substringBeforeLast(path, "/") + "/" + newName;
          Content acls = getHierarchyManager().getContent(newPath + "/acl_users");
          for (Content acl : acls.getChildren()) {
              NodeData pathND = acl.getNodeData("path");
              String aclPath = pathND.getString();
              if (aclPath.startsWith(path + "/")) {
                  pathND.setValue(newPath + "/" + StringUtils.substringAfter(aclPath, path + "/"));
              }
              if (path.equals(aclPath)) {
                  pathND.setValue(newPath);
              }
          }
          acls.save();
          return newName;
      }
  
      // TODO: copy/move ACL update if we ever allow moving
 }