/**
    * This file Copyright (c) 2017 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.datasource.jcr;
  
  import info.magnolia.context.Context;
  import info.magnolia.jcr.wrapper.DelegatePropertyWrapper;
  
  import java.util.Objects;
  
  import javax.inject.Provider;
  import javax.jcr.Property;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  import lombok.SneakyThrows;
  import lombok.experimental.Delegate;
  
  /**
   * JCR property wrapper in the spirit of {@link SessionReattachingNodeWrapper}.
   * The main purpose of such provider is to make property session re-attachment
   * a transparent process to the user. Also this class implements {@link SupportsRenaming}
   * interface in order to enable property renaming operations from UI.
   */
  @SuppressWarnings("unchecked")
  public class SessionReattachingPropertyWrapper extends DelegatePropertyWrapper implements SupportsRenaming {
  
      @Delegate
      private JcrItemRenameOperationHelper renameOperationHelper = new JcrItemRenameOperationHelper();
  
      private String workspace;
      private String path;
      private final Provider<Context> contextProvider;
  
      public SessionReattachingPropertyWrapper(Property property, Provider<Context> contextProvider) throws RepositoryException {
          super(property);
          this.workspace = property.getSession().getWorkspace().getName();
          this.path = property.getPath();
          this.contextProvider = contextProvider;
      }
      
      @Override
      @SneakyThrows(RepositoryException.class)
      public Property getWrappedProperty() {
          if (super.getWrappedProperty() == null || !super.getWrappedProperty().getSession().isLive()) {
              Session session = getSessionForWrappedNode(this.workspace);
              setWrappedProperty(session.getProperty(this.path));
          }
          return super.getWrappedProperty();
      }
  
      @Override
      public String getPath() {
          return this.path;
      }
  
      private Session getSessionForWrappedNode(String workspace) throws RepositoryException {
          return contextProvider.get().getJCRSession(workspace);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) return true;
          if (!(o instanceof SessionReattachingPropertyWrapper)) return false;
          SessionReattachingPropertyWrapper that = (SessionReattachingPropertyWrapper) o;
          return Objects.equals(workspace, that.workspace) &&
                  Objects.equals(getPath(), that.getPath());
      }
  
     @Override
     public int hashCode() {
         return Objects.hash(workspace, getPath());
     }
 }