/**
    * This file Copyright (c) 2021 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.dam.app.action;
  
  import info.magnolia.dam.api.Folder;
  import info.magnolia.dam.api.Item;
  import info.magnolia.dam.jcr.AssetNodeTypes;
  import info.magnolia.dam.jcr.DamConstants;
  import info.magnolia.dam.jcr.JcrFolder;
  import info.magnolia.i18nsystem.I18nizer;
  import info.magnolia.jcr.util.NodeNameHelper;
  import info.magnolia.ui.CloseHandler;
  import info.magnolia.ui.UIComponent;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.api.i18n.I18NAuthoringSupport;
  import info.magnolia.ui.contentapp.JcrPropertySetFactory;
  import info.magnolia.ui.datasource.DatasourceDefinition;
  import info.magnolia.ui.datasource.PropertySetFactory;
  import info.magnolia.ui.datasource.jcr.JcrDatasource;
  import info.magnolia.ui.datasource.jcr.JcrDatasourceDefinition;
  import info.magnolia.ui.dialog.DialogDefinitionRegistry;
  import info.magnolia.ui.dialog.actions.OpenDialogAction;
  import info.magnolia.ui.editor.LocaleContext;
  import info.magnolia.ui.observation.DatasourceObservation;
  import info.magnolia.ui.observation.LocalManualDatasourceObservation;
  
  import java.util.Set;
  import java.util.function.UnaryOperator;
  import java.util.stream.Collectors;
  
  import javax.inject.Inject;
  
  import com.google.common.collect.Iterators;
  import com.machinezoo.noexception.Exceptions;
  import com.vaadin.ui.Component;
  import com.vaadin.ui.CssLayout;
  import com.vaadin.ui.Window;
  
  /**
   * Action for upload and edit from asset chooser.
   */
  public class JcrAssetUploadAndEditAction extends OpenDialogAction<Item> {
  
      private final Component chooser;
  
      @Inject
      JcrAssetUploadAndEditAction(JcrAssetUploadAndEditActionDefinition definition, LocaleContext localeContext, ValueContext<Item> valueContext, UIComponent parentView,
                                  I18NAuthoringSupport<Item> i18NAuthoringSupport, DialogDefinitionRegistry dialogDefinitionRegistry, I18nizer i18nizer) {
          super(definition, localeContext, valueContext, parentView.create(View.class), i18NAuthoringSupport, dialogDefinitionRegistry, i18nizer);
          chooser = getWindow(parentView.asVaadinComponent());
          chooser.setVisible(false);
      }
  
      private Component getWindow(Component component) {
          return component instanceof Window ? component : getWindow(component.getParent());
      }
  
      @Override
      protected CloseHandler getCloseHandler(Window dialog) {
          return () -> {
              super.getCloseHandler(dialog).close();
              chooser.setVisible(true);
          };
      }
  
      /**
       * View used to open upload&edit dialog above chooser.
       */
     public static class View extends CssLayout implements UIComponent {
 
         @Inject
         View(ValueContext<Item> chooserValueContext, NodeNameHelper nodeNameHelper) {
             final JcrDatasourceDefinition jcrDatasourceDefinition = new JcrDatasourceDefinition();
             jcrDatasourceDefinition.setWorkspace(DamConstants.WORKSPACE);
             bindInstance(DatasourceDefinition.class, jcrDatasourceDefinition);
             bindInstance(PropertySetFactory.class, create(JcrPropertySetFactory.class));
             final JcrDatasource datasource = create(JcrDatasource.class);
             final DatasourceObservation datasourceObservation = create(LocalManualDatasourceObservation.class);
             bindInstance(DatasourceObservation.class, datasourceObservation);
             datasourceObservation.register(() -> chooserValueContext.current().update((UnaryOperator<Set<Item>>) items -> items.stream()
                     .map(Folder.class::cast)
                     .map(Folder::getChildren)
                     .map(Iterators::getLast) //select newly added asset
                     .collect(Collectors.toSet())
             ));
             chooserValueContext.getSingle()
                     .map(JcrFolder.class::cast)
                     .map(JcrFolder::getNode)
                     .map(datasource::wrapNode)
                     .map(Exceptions.wrap().function(folder -> folder.addNode(nodeNameHelper.getUniqueName(folder, "untitled"), AssetNodeTypes.Asset.NAME)))
                     .ifPresent(bindContext(ValueContext.class)::set);
         }
     }
 }