/**
    * This file Copyright (c) 2008-2014 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.imaging.generation;
  
  import java.net.URI;
  import java.net.URISyntaxException;
  
  import info.magnolia.cms.beans.runtime.FileProperties;
  import info.magnolia.cms.core.NodeData;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.imaging.ParameterProvider;
  import info.magnolia.imaging.operations.ImageOperation;
  import info.magnolia.jcr.util.PropertyUtil;
  import info.magnolia.module.templatingkit.imaging.VariationImpl;
  import info.magnolia.module.templatingkit.sites.Site;
  
  import javax.inject.Inject;
  import javax.inject.Provider;
  import javax.jcr.Property;
  import javax.jcr.RepositoryException;
  
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * .
   * @author pbracher
   * @version $Id: ImageOperationProvidingVariation.java 41158 2011-01-06 21:32:25Z gjoseph $
   *
   */
  public class ImageOperationProvidingVariation extends VariationImpl {
  
      private static Logger log = LoggerFactory.getLogger(ImageOperationProvidingVariation.class);
      protected ImageOperation<ParameterProvider<NodeData>> imageOperation;
      private Provider<Site> siteProvider;
  
      @Inject
      public ImageOperationProvidingVariation(Provider<Site> siteProvider) {
          // default value
          setGeneratorName("stk");
          this.siteProvider = siteProvider;
      }
  
      public ImageOperation<ParameterProvider<NodeData>> getImageOperation() {
          return this.imageOperation;
      }
  
      public void setImageOperation(ImageOperation<ParameterProvider<NodeData>> imageOperation) {
          this.imageOperation = imageOperation;
      }
  
      @Override
      public String createLink(Property binaryNodeData) {
          String workspaceName = null;
          String path = null;
          String fileName = null;
          String extension = null;
          String themeName = null;
          try {
              workspaceName = binaryNodeData.getSession().getWorkspace().getName();
              path =  binaryNodeData.getParent().getPath();
              fileName = PropertyUtil.getString(binaryNodeData.getParent(),FileProperties.PROPERTY_FILENAME);
              extension = PropertyUtil.getString(binaryNodeData.getParent(),FileProperties.EXTENSION);
              themeName = siteProvider.get().getTheme().getName();
          } catch (RepositoryException e) {
              String propertyPath = null;
              try {
                 propertyPath = binaryNodeData.getPath()+binaryNodeData.getName();
             } catch (Exception ee) {}
             log.warn("could not create Link for property :"+propertyPath, e);
             return null;
         }
         if(StringUtils.isNotEmpty(extension)){
             fileName += "." + extension;
         }
         try {
             fileName = new URI(null, null, fileName, null).toASCIIString();
         } catch (URISyntaxException e) {
             log.warn("could not create link for image due to illegal property file name " + fileName, e);
             return null;
         }
         return MgnlContext.getContextPath() + "/.imaging/" + getGeneratorName() + "/" + themeName + "/" + getName() + "/" + workspaceName + path + "/" + fileName;
     }
 
 }