/**
    * This file Copyright (c) 2008-2013 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.module.templatingkit.dam.handlers;
  
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.core.NodeData;
  import info.magnolia.cms.i18n.I18nContentSupport;
  import info.magnolia.module.templatingkit.dam.Asset;
  import info.magnolia.module.templatingkit.dam.AssetNotFoundException;
  import info.magnolia.module.templatingkit.dam.DAMException;
  import info.magnolia.module.templatingkit.dam.assets.InternalAsset;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.templating.functions.TemplatingFunctions;
  
  import javax.inject.Inject;
  import javax.jcr.PathNotFoundException;
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Internal Content DAM Handler.
   * @author tmiyar
   * @version $Id$
   */
  public class InternalContentDAMHandler extends AbstractInternalContentDAMHandler {
  
      private final TemplatingFunctions templatingFunctions;
      private static Logger log = LoggerFactory.getLogger(InternalContentDAMHandler.class);
  
      @Inject
      public InternalContentDAMHandler(TemplatingFunctions templatingFunctions){
          this.templatingFunctions = templatingFunctions;
      }
  
  
      @Override
      public Asset getAsset(final Content node, final String nodeDataPrefix) throws DAMException {
          try {
              return new InternalAsset(this, node, nodeDataPrefix, getBinaryNodeData(node, nodeDataPrefix), templatingFunctions);
          }
          catch (RepositoryException e) {
              throw new DAMException("Can't find asset " + nodeDataPrefix + " for content [" + node.getHandle() + "]", e);
          }
      }
  
      @Override
      public Asset getAssetByKey(String key) {
          throw new UnsupportedOperationException();
      }
  
      public NodeData getBinaryNodeData(final Content node, final String nodeDataPrefix) throws AssetNotFoundException {
          final NodeData nd = node.getNodeData(getNodeDataName(node, nodeDataPrefix));
          if (!nd.isExist()) {
              throw new AssetNotFoundException(node.getHandle() + "/" + nodeDataPrefix + " has no binary stored");
          }
          return nd;
      }
  
      @Override
      protected String getNodeDataName(Content node, String nodeDataPrefix) {
          String nodeDataName = nodeDataPrefix + getNodeDataSuffix();
          I18nContentSupport i18n = Components.getComponent(I18nContentSupport.class);
          try {
                  nodeDataName = i18n.getNode(node.getJCRNode(), nodeDataName).getName();
          } catch (PathNotFoundException e) {
              // thrown by {@link I18nContentSupport.getNode()}...ignore, binary node doesn't exists yet
         } catch (Exception e) {
             log.warn("Failed to determine locale of nodeData '{}' for '{}'.", new Object[] { nodeDataName, node, e });
         }
         return nodeDataName;
     }
 
 }