/**
    * This file Copyright (c) 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.action;
  
  import info.magnolia.jcr.util.NodeNameHelper;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionDefinition;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.contentapp.browser.context.ValueContext;
  import info.magnolia.ui.framework.datasource.components.SelectedItems;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.function.Consumer;
  import java.util.stream.Stream;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import lombok.AccessLevel;
  import lombok.Getter;
  import lombok.SneakyThrows;
  
  /**
   * Adds a node to the one currently selected in the UI.
   * @param <D> ActionDefinition type.
   */
  @Getter(AccessLevel.PROTECTED)
  public abstract class AbstractJcrAction<D extends ActionDefinition> extends AbstractAction<D> {
  
      private final NodeNameHelper nodeNameHelper;
      private final ValueContext<Node> valueContext;
  
      @Inject
      public AbstractJcrAction(D definition, ValueContext<Node> valueContext, NodeNameHelper nodeNameHelper) {
          super(definition);
          this.valueContext = valueContext;
          this.nodeNameHelper = nodeNameHelper;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          List<Node> processedNodes = new ArrayList<>();
  
          valueContext.current().value().map(SelectedItems::stream).orElse(Stream.empty()).forEach(new Consumer<Node>() {
              @SneakyThrows(RepositoryException.class)
              @Override
              public void accept(Node node) {
                  processedNodes.add(process(node));
              }
          });
  
          valueContext.current().set(SelectedItems.of(processedNodes));
      }
  
      protected abstract Node process(Node node) throws RepositoryException;
  }