/**
    * 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.contentapp.detail.action;
  
  import info.magnolia.cms.core.version.VersionManager;
  import info.magnolia.event.EventBus;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.app.SubAppContext;
  import info.magnolia.ui.api.event.AdmincentralEventBus;
  import info.magnolia.ui.api.event.ContentChangedEvent;
  import info.magnolia.ui.vaadin.integration.jcr.AbstractJcrNodeAdapter;
  import info.magnolia.ui.vaadin.overlay.MessageStyleTypeEnum;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.jcr.RepositoryException;
  import javax.jcr.version.Version;
  import javax.jcr.version.VersionIterator;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Restore the previous version of an item.
   * 
   * @deprecated since 5.3.4, please use {@link info.magnolia.ui.contentapp.action.RestorePreviousJcrVersionAction} instead.
   */
  @Deprecated
  public class RestorePreviousVersionAction extends AbstractAction<RestorePreviousVersionActionDefinition> {
      private final Logger log = LoggerFactory.getLogger(getClass());
      private final AbstractJcrNodeAdapter nodeItemToEdit;
      private final VersionManager versionManager;
      private final SubAppContext subAppContext;
      private final EventBus eventBus;
      private final SimpleTranslator i18n;
  
      @Inject
      public RestorePreviousVersionAction(RestorePreviousVersionActionDefinition definition, AbstractJcrNodeAdapter nodeItemToEdit,
              VersionManager versionManager, SubAppContext subAppContext, final @Named(AdmincentralEventBus.NAME) EventBus eventBus, SimpleTranslator i18n) {
          super(definition);
          this.nodeItemToEdit = nodeItemToEdit;
          this.versionManager = versionManager;
          this.subAppContext = subAppContext;
          this.eventBus = eventBus;
          this.i18n = i18n;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          try {
              // Get last version.
              Version version = getPreviousVersion();
              // Check the version.
              if (version == null) {
                  subAppContext.openNotification(MessageStyleTypeEnum.ERROR, true, i18n.translate("ui-contentapp.actions.restorePreviousVersion.notification.error"));
                  return;
              }
              // Restore previous version
              versionManager.restore(nodeItemToEdit.getJcrItem(), version, true);
              eventBus.fireEvent(new ContentChangedEvent(nodeItemToEdit.getItemId()));
              subAppContext.openNotification(MessageStyleTypeEnum.INFO, true, i18n.translate("ui-contentapp.actions.restorePreviousVersion.notification.success"));
          } catch (RepositoryException e) {
              subAppContext.openNotification(MessageStyleTypeEnum.ERROR, true, i18n.translate("ui-contentapp.actions.restorePreviousVersion.notification.error"));
              throw new ActionExecutionException("Could not execute RestorePreviousVersionAction: ", e);
          }
      }
 
     /**
      * @return Previous version or null if not founded.
      */
     private Version getPreviousVersion() throws RepositoryException {
         Version previousVersion = null;
         VersionIterator versionIterator = versionManager.getAllVersions(nodeItemToEdit.getJcrItem());
         if (versionIterator == null) {
             return previousVersion;
         }
 
         while (versionIterator.hasNext()) {
             previousVersion = versionIterator.nextVersion();
         }
 
         return previousVersion;
     }
 
 }