/**
    * This file Copyright (c) 2015-2018 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.dam.app.contentview.tree;
  
  import info.magnolia.dam.api.AssetProviderRegistry;
  import info.magnolia.dam.api.Item;
  import info.magnolia.dam.app.data.HierarchicalAssetDataProvider;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.ui.availability.AvailabilityChecker;
  import info.magnolia.ui.contentapp.Datasource;
  import info.magnolia.ui.contentapp.FilterableHierarchicalDataProvider;
  import info.magnolia.ui.contentapp.browser.TreePresenter;
  import info.magnolia.ui.contentapp.configuration.GridViewDefinition;
  import info.magnolia.ui.contentapp.configuration.column.ColumnDefinition;
  import info.magnolia.ui.datasource.PropertySetFactory;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  import com.vaadin.data.PropertySet;
  
  /**
   * Extension of {@link TreePresenter} that uses {@link com.vaadin.data.provider.AbstractDataProvider} to work with assets.
   */
  public class AssetTreePresenter extends TreePresenter<Item> {
  
      private final HierarchicalAssetDataProvider hierarchicalAssetDataProvider;
      private final PropertySetFactory<Item> propertySetFactory;
  
      public AssetTreePresenter(GridViewDefinition<Item> definition,
                                ComponentProvider componentProvider,
                                AvailabilityChecker<Item> availabilityChecker,
                                AssetProviderRegistry assetProviderRegistry,
                                PropertySetFactory<Item> propertySetFactory,
                                Datasource<Item> datasource
      ) {
          super(definition, componentProvider, availabilityChecker, datasource);
          this.hierarchicalAssetDataProvider = new HierarchicalAssetDataProvider(assetProviderRegistry);
          this.propertySetFactory = propertySetFactory;
      }
  
      @Override
      public Stream<Item> getParents(Item item) {
          final List<Item> parents = new ArrayList<>();
          Item parent = item;
          while (!"/".equals(parent.getPath())) {
              parents.add(parent);
              parent = parent.getParent();
          }
          return parents.stream();
      }
  
      @Override
      public FilterableHierarchicalDataProvider<Item> createDataProvider() {
          return FilterableHierarchicalDataProvider.wrap(hierarchicalAssetDataProvider);
      }
  
      @Override
      protected PropertySet<Item> createPropertySet() {
          return propertySetFactory.withProperties(definition.getColumns().stream().collect(Collectors.toMap(ColumnDefinition::getName, ColumnDefinition::getType)));
      }
  }