/**
    * This file Copyright (c) 2013-2015 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.pages.app.action;
  
  import info.magnolia.context.Context;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.event.EventBus;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.app.SubAppEventBus;
  import info.magnolia.ui.api.context.UiContext;
  import info.magnolia.ui.api.event.ContentChangedEvent;
  import info.magnolia.ui.dialog.formdialog.FormDialogPresenter;
  import info.magnolia.ui.dialog.formdialog.FormDialogPresenterFactory;
  import info.magnolia.ui.form.EditorCallback;
  import info.magnolia.ui.vaadin.gwt.client.shared.AreaElement;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNewNodeAdapter;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * Creates an area which was optional and not yet existing.
   *
   * @see CreateAreaAction
   */
  public class CreateAreaAction extends AbstractAction<CreateAreaActionDefinition> {
  
      private final AreaElement area;
      private final EventBus eventBus;
      private final FormDialogPresenterFactory formDialogPresenterFactory;
      private final UiContext uiContext;
      private final Context ctx;
  
      @Inject
      public CreateAreaAction(CreateAreaActionDefinition definition, AreaElement area, @Named(SubAppEventBus.NAME) EventBus eventBus,
                              FormDialogPresenterFactory formDialogPresenterFactory, UiContext uiContext, Context ctx) {
          super(definition);
          this.area = area;
          this.eventBus = eventBus;
          this.formDialogPresenterFactory = formDialogPresenterFactory;
          this.uiContext = uiContext;
          this.ctx = ctx;
      }
  
      /**
       * @deprecated since 5.4.2, use {@link CreateAreaAction#CreateAreaAction(CreateAreaActionDefinition, AreaElement, EventBus, FormDialogPresenterFactory, UiContext, Context)}
       */
      @Deprecated
      public CreateAreaAction(CreateAreaActionDefinition definition, AreaElement area, @Named(SubAppEventBus.NAME) EventBus eventBus) {
          this(definition, area, eventBus, Components.getComponent(FormDialogPresenterFactory.class), Components.getComponent(UiContext.class), MgnlContext.getInstance());
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          String workspace = area.getWorkspace();
          String path = area.getPath();
          String parent = StringUtils.substringBeforeLast(path, "/");
          String areaName = StringUtils.substringAfterLast(area.getPath(), "/");
  
         try {
             Session session = ctx.getJCRSession(workspace);
             Node parentNode = session.getNode(parent);
 
             final JcrNodeAdapter item = new JcrNewNodeAdapter(parentNode, NodeTypes.Area.NAME, areaName);
 
             if (StringUtils.isBlank(area.getDialog())) {
                 Node area = item.applyChanges();
                 area.getSession().save();
                 eventBus.fireEvent(new ContentChangedEvent(item.getItemId()));
             } else {
                 final FormDialogPresenter formDialogPresenter = formDialogPresenterFactory.createFormDialogPresenter(area.getDialog());
                 formDialogPresenter.start(item, area.getDialog(), uiContext, new EditorCallback() {
 
                     @Override
                     public void onSuccess(String actionName) {
                         formDialogPresenter.closeDialog();
                         eventBus.fireEvent(new ContentChangedEvent(item.getItemId()));
                     }
 
                     @Override
                     public void onCancel() {
                         formDialogPresenter.closeDialog();
                     }
                 });
             }
         } catch (RepositoryException e) {
             throw new ActionExecutionException(e);
         }
     }
 }