/**
    * This file Copyright (c) 2020 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.resources.app.action;
  
  import info.magnolia.jcr.RuntimeRepositoryException;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.jcr.util.PropertyUtil;
  import info.magnolia.resourceloader.Resource;
  import info.magnolia.resourceloader.jcr.JcrResourceOrigin;
  import info.magnolia.resources.app.data.ResourceHelper;
  import info.magnolia.resources.app.data.ResourcePropertySetFactory;
  import info.magnolia.ui.CloseHandler;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.contentapp.Datasource;
  import info.magnolia.ui.contentapp.action.CommitAction;
  import info.magnolia.ui.contentapp.action.CommitActionDefinition;
  import info.magnolia.ui.editor.EditorView;
  import info.magnolia.ui.editor.FormView;
  import info.magnolia.ui.observation.DatasourceObservation;
  
  import java.util.Optional;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * Alternative implementation of {@link CommitAction} for committing changes made to text resources in edit view.
   */
  public class ResourceCommitAction extends CommitAction<Resource> implements ResourceHelper {
      @Inject
      public ResourceCommitAction(CommitActionDefinition definition,
                                  CloseHandler closeHandler,
                                  ValueContext<Resource> valueContext,
                                  EditorView<Resource> form,
                                  Datasource<Resource> datasource,
                                  DatasourceObservation.Manual datasourceObservation) {
          super(definition, closeHandler, valueContext, form, datasource, datasourceObservation);
      }
  
      @Override
      protected void write() {
          try {
              Resource resource = getValueContext().getSingleOrThrow();
              Node rootNode = getJcrNode(resource.getOrigin().getRoot()).orElseThrow(() -> new IllegalStateException("Can't " +
                      "retrieve root node from " + resource));
  
              Node parent = NodeUtil.createPath(rootNode, StringUtils.substringBeforeLast(resource.getPath(), "/"), NodeTypes.Folder.NAME);
              Node childNode = NodeUtil.createPath(parent, StringUtils.substringAfterLast(resource.getPath(), "/"),
                      NodeTypes.Content.NAME);
              Optional<String> contentValue = ((FormView<Resource>) getForm()).getPropertyValue(ResourcePropertySetFactory.CONTENT);
  
              if (contentValue.isPresent()) {
                  PropertyUtil.setProperty(childNode, JcrResourceOrigin.TEXT_PROPERTY, contentValue.get());
                  NodeTypes.LastModified.update(childNode);
                  childNode.getSession().save();
                  getDatasourceObservation().trigger();
              }
          } catch (RepositoryException e) {
              throw new RuntimeRepositoryException(e);
          }
      }
  }