/**
    * 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.NodeNameHelper;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.resourceloader.Resource;
  import info.magnolia.resourceloader.ResourceOrigin;
  import info.magnolia.resourceloader.jcr.JcrResourceOrigin;
  import info.magnolia.ui.CloseHandler;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.contentapp.Datasource;
  import info.magnolia.ui.editor.FormView;
  import info.magnolia.ui.observation.DatasourceObservation;
  
  import java.util.Calendar;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import com.machinezoo.noexception.Exceptions;
  
  /**
   * Save the form view present in the context.
   */
  public class AddResourceAction extends AbstractAddResourceAction {
      private final ValueContext<Resource> valueContext;
      private final FormView<Resource> form;
      private final NodeNameHelper nodeNameHelper;
      private final ResourceOrigin resourceOrigin;
  
      public AddResourceAction(AddResourceActionDefinition definition, CloseHandler closeHandler,
                               ValueContext<Resource> valueContext, FormView<Resource> form,
                               NodeNameHelper nodeNameHelper,
                               Datasource<Resource> datasource,
                               DatasourceObservation.Manual datasourceObservation,
                               ResourceOrigin resourceOrigin) {
          super(definition, closeHandler, valueContext, form, datasource, datasourceObservation, resourceOrigin);
          this.form = form;
          this.valueContext = valueContext;
          this.nodeNameHelper = nodeNameHelper;
          this.resourceOrigin = resourceOrigin;
      }
  
  
      @Override
      protected void addResource(Resource parent, Node rootNode) {
          try {
              String resourceName = form.<String>getPropertyValue("name").orElse("untitled");
              String parentPath = parent.getPath();
  
              Node childNode = provideResourceNode(resourceName, rootNode, parentPath);
  
              Resource updatedParentResource = resourceOrigin.getByPath(parentPath);
              valueContext.set(updatedParentResource.findResource(childNode.getName()).orElse(parent));
  
              NodeTypes.LastModified.update(childNode);
              childNode.getSession().save();
          } catch (RepositoryException e) {
              throw new RuntimeException(e);
          }
      }
  
  
      private Node provideResourceNode(String name, Node rootNode, String selectedResourcePath) {
          try {
             // ensure folder node existence
             Node selectedFolderNode = NodeUtil.createPath(rootNode, selectedResourcePath, NodeTypes.Folder.NAME);
 
             // get unique child resource name
             String uniqueValidatedName = getUniqueResourceName(selectedFolderNode, name);
 
             boolean isFolder = getDefinition().isFolder();
             String primaryNodeTypeName = isFolder ? NodeTypes.Folder.NAME : NodeTypes.Content.NAME;
             Node childNode = selectedFolderNode.addNode(uniqueValidatedName, primaryNodeTypeName);
             childNode.setProperty(NodeTypes.Created.NAME, Calendar.getInstance());
 
             if (!isFolder) {
                 childNode.setProperty(JcrResourceOrigin.TEXT_PROPERTY, "");
             }
             selectedFolderNode.getSession().save();
 
             return childNode;
         } catch (RepositoryException e) {
             throw new RuntimeRepositoryException(e);
         }
     }
 
     private String getUniqueResourceName(Node parent, String name) {
         String uniqueName = Exceptions.wrap().get(() -> nodeNameHelper.getUniqueName(parent, name));
         return nodeNameHelper.getValidatedName(uniqueName);
     }
 }