/**
    * This file Copyright (c) 2012-2013 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.security.app.dialog.action;
  
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.security.app.dialog.field.AccessControlList;
  import info.magnolia.security.app.dialog.field.WorkspaceAccessFieldFactory;
  import info.magnolia.ui.admincentral.dialog.action.SaveDialogAction;
  import info.magnolia.ui.admincentral.dialog.action.SaveDialogActionDefinition;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.form.EditorCallback;
  import info.magnolia.ui.form.EditorValidator;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.Value;
  
  import org.apache.commons.lang.StringUtils;
  
  import com.vaadin.data.Item;
  
  /**
   * Save role dialog action. Transforms nodes added by {@link info.magnolia.security.app.dialog.field.WorkspaceAccessFieldFactory} to its final representation.
   */
  public class SaveRoleDialogAction extends SaveDialogAction {
  
      public SaveRoleDialogAction(SaveDialogActionDefinition definition, Item item, EditorValidator validator, EditorCallback callback) {
          super(definition, item, validator, callback);
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          // First Validate
          validator.showValidation(true);
          if (validator.isValid()) {
              final JcrNodeAdapter itemChanged = (JcrNodeAdapter) item;
  
              try {
  
                  final Node node = itemChanged.applyChanges();
  
                  for (Node aclNode : NodeUtil.getNodes(node)) {
  
                      // Any node marked as using the intermediary format we read in, remove all its sub nodes and then
                      // add new sub nodes based on the read in ACL
                      if (aclNode.hasProperty(WorkspaceAccessFieldFactory.INTERMEDIARY_FORMAT_PROPERTY_NAME)) {
  
                          AccessControlList acl = new AccessControlList();
  
                          for (Node entryNode : NodeUtil.getNodes(aclNode)) {
  
                              if (entryNode.hasProperty(WorkspaceAccessFieldFactory.INTERMEDIARY_FORMAT_PROPERTY_NAME)) {
                                  String path = entryNode.getProperty(AccessControlList.PATH_PROPERTY_NAME).getString();
                                  long accessType = (int) entryNode.getProperty(WorkspaceAccessFieldFactory.ACCESS_TYPE_PROPERTY_NAME).getLong();
                                  long permissions = entryNode.getProperty(AccessControlList.PERMISSIONS_PROPERTY_NAME).getLong();
  
                                  if (path.equals("/")) {
                                  } else if (path.equals("/*")) {
                                      path = "/";
                                  } else {
                                      path = StringUtils.removeEnd(path, "/*");
                                      path = StringUtils.removeEnd(path, "/");
                                  }
  
                                  if (StringUtils.isNotBlank(path)) {
                                      acl.addEntry(new AccessControlList.Entry(permissions, accessType, path));
                                  }
                             }
 
                             entryNode.remove();
                         }
 
                         aclNode.setProperty(WorkspaceAccessFieldFactory.INTERMEDIARY_FORMAT_PROPERTY_NAME, (Value)null);
                         acl.saveEntries(aclNode);
                     }
                 }
 
                 node.getSession().save();
             } catch (final RepositoryException e) {
                 throw new ActionExecutionException(e);
             }
             callback.onSuccess(getDefinition().getName());
 
         } else {
             // validation errors are displayed in the UI.
         }
     }
 
 }