/**
    * 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;
  
  import static java.util.stream.Collectors.*;
  
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.ui.api.i18n.I18NAuthoringSupport;
  import info.magnolia.ui.availability.AvailabilityChecker;
  import info.magnolia.ui.contentapp.browser.TreePresenter;
  import info.magnolia.ui.contentapp.browser.TreeView;
  import info.magnolia.ui.contentapp.configuration.TreeViewDefinition;
  import info.magnolia.ui.contentapp.configuration.column.ColumnDefinition;
  import info.magnolia.ui.contentapp.observation.JcrDataSourceObservation;
  import info.magnolia.ui.datasource.DatasourceDefinition;
  import info.magnolia.ui.datasource.jcr.JcrDatasource;
  import info.magnolia.ui.datasource.jcr.JcrDatasourceDefinition;
  import info.magnolia.ui.editor.JcrItemPropertySet;
  import info.magnolia.ui.filter.DataFilter;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Optional;
  import java.util.stream.Stream;
  
  import javax.inject.Inject;
  import javax.jcr.Item;
  import javax.jcr.Node;
  
  import com.machinezoo.noexception.Exceptions;
  import com.vaadin.data.PropertySet;
  import com.vaadin.data.provider.DataProvider;
  
  /**
   *
   * JCR specific presenter implementation backing up {@link TreeView}.
   */
  public class JcrTreePresenter extends TreePresenter<Item> {
  
      private final JcrItemInteractionAvailability interactionAvailability;
      private final I18NAuthoringSupport<Item> i18NAuthoringSupport;
      private final JcrDatasourceDefinition datasourceDefinition;
  
      @Inject
      JcrTreePresenter(
              TreeViewDefinition<Item> definition,
              ComponentProvider componentProvider,
              AvailabilityChecker<Node> availabilityChecker,
              JcrDatasource datasource,
              JcrDataSourceObservation datasourceObservation, I18NAuthoringSupport<Item> i18NAuthoringSupport, JcrDatasourceDefinition datasourceDefinition) {
          super(definition, componentProvider, availabilityChecker, datasource, datasourceObservation);
          this.interactionAvailability = new JcrItemInteractionAvailability(datasource);
          this.i18NAuthoringSupport = i18NAuthoringSupport;
          this.datasourceDefinition = datasourceDefinition;
      }
  
      /**
       * @deprecated since 6.2.4. Use {@link info.magnolia.ui.contentapp.JcrTreePresenter#JcrTreePresenter(info.magnolia.ui.contentapp.configuration.TreeViewDefinition, info.magnolia.objectfactory.ComponentProvider, info.magnolia.ui.availability.AvailabilityChecker, info.magnolia.ui.datasource.jcr.JcrDatasource, info.magnolia.ui.contentapp.observation.JcrDataSourceObservation, info.magnolia.ui.api.i18n.I18NAuthoringSupport, info.magnolia.ui.datasource.jcr.JcrDatasourceDefinition)} instead.
       */
      @Deprecated
      public JcrTreePresenter(TreeViewDefinition<Item> definition, ComponentProvider componentProvider, AvailabilityChecker availabilityChecker, JcrDatasource datasource, JcrDataSourceObservation datasourceObservation) {
          this(definition, componentProvider, availabilityChecker, datasource, datasourceObservation, Components.getComponent(I18NAuthoringSupport.class), (JcrDatasourceDefinition) Components.getComponent(DatasourceDefinition.class));
      }
  
      @Override
      public Stream<Item> getParents(Item item) {
          final List<Item> parents = new ArrayList<>();
         Optional<Item> parent = getDirectParent(item);
         while (parent.isPresent()) {
             parents.add(parent.get());
             parent = getDirectParent(parent.get());
         }
         return parents.stream();
     }
 
     @Override
     public FilterableHierarchicalDataProvider<Item> createDataProvider() {
         final DataProvider<Item, DataFilter> filteringDataProvider = (DataProvider) componentProvider.newInstance(JcrDataProvider.class);
         return FilterableHierarchicalDataProvider.wrap(componentProvider.newInstance(HierarchicalJcrDataProvider.class), filteringDataProvider);
     }
 
     private Optional<Item> getDirectParent(Item item) {
         return Exceptions.wrap().get(() -> {
             if (item.isNode() && item.getDepth() == 0) {
                 return Optional.empty();
             }
             return Optional.of(item.getParent());
         });
     }
 
     @Override
     protected PropertySet<Item> createPropertySet() {
         final List<JcrItemPropertySet.JcrPropertyDescriptor> propertyDescriptors = definition.getColumns().stream().collect(toMap(ColumnDefinition::getName, ColumnDefinition::getType))
                 .entrySet().stream()
                 .map(entry -> JcrItemPropertySet.JcrPropertyDescriptor.builder()
                         .type((Class) entry.getValue())
                         .name(entry.getKey())
                         .nodeNameProperty(datasourceDefinition.getNodeNameProperty())
                         .build())
                 .collect(toList());
         return new JcrItemPropertySet(propertyDescriptors, i18NAuthoringSupport);
     }
 
     @Override
     public boolean isItemAvailable(Item item) {
         return this.interactionAvailability.isItemAvailable(item);
     }
 }