/**
    * This file Copyright (c) 2013-2018 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.ui.framework.availability;
  
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.jcr.util.SessionUtil;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.repository.RepositoryConstants;
  import info.magnolia.repository.RepositoryManager;
  import info.magnolia.ui.api.availability.AbstractAvailabilityRule;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemId;
  import info.magnolia.ui.vaadin.integration.jcr.JcrPropertyItemId;
  import info.magnolia.ui.vaadin.integration.jcr.VersionedJcrItemId;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.version.Version;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Availability rule for non-versioned items.
   */
  public class IsNotVersionedRule extends AbstractAvailabilityRule {
  
      private static final Logger log = LoggerFactory.getLogger(IsDeletedRule.class);
  
      @Override
      protected boolean isAvailableForItem(Object itemId) {
          if (itemId instanceof VersionedJcrItemId) {
              return false;
          }
          if (itemId instanceof JcrItemId && !(itemId instanceof JcrPropertyItemId)) {
              JcrItemId jcrItemId = (JcrItemId) itemId;
              Node node = SessionUtil.getNodeByIdentifier(jcrItemId.getWorkspace(), jcrItemId.getUuid());
              if (node != null) {
                  try {
                      if (NodeUtil.unwrap(node) instanceof Version) {
                          return false;
                      }
  
                      String workspace = node.getSession().getWorkspace().getName();
                      String repositoryId = Components.getComponent(RepositoryManager.class).getRepositoryNameForWorkspace(node.getSession().getWorkspace().getName());
                      if ((repositoryId + "-" + RepositoryConstants.VERSION_STORE).equals(workspace)) {
                          return false;
                      }
                  } catch (RepositoryException e) {
                      log.warn("Error evaluating availability for node [{}], returning false: {}", NodeUtil.getPathIfPossible(node), e);
                  }
              }
          }
  
          return true;
      }
  
  }