/**
    * This file Copyright (c) 2008-2017 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.module.templatingkit.templates.components;
  
  
  import info.magnolia.jcr.util.PropertyUtil;
  import info.magnolia.module.templatingkit.functions.STKTemplatingFunctions;
  import info.magnolia.module.templatingkit.templates.AbstractSTKTemplateModel;
  import info.magnolia.rendering.model.RenderingModel;
  import info.magnolia.rendering.template.TemplateDefinition;
  import info.magnolia.repository.RepositoryConstants;
  import info.magnolia.templating.functions.TemplatingFunctions;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * STK Renderable Model definition dedicated to Internal Links display.
   *
   * @param <RD> Renderable definition.
   */
  public class InternalLinkModel<RD extends TemplateDefinition> extends AbstractSTKTemplateModel<TemplateDefinition> {
  
      @Inject
      public InternalLinkModel(Node content, RD definition, RenderingModel<?> parent, STKTemplatingFunctions stkFunctions, TemplatingFunctions templatingFunctions) {
          super(content, definition, parent, stkFunctions, templatingFunctions);
      }
  
      public String getLink() {
          return templatingFunctions.link(RepositoryConstants.WEBSITE, PropertyUtil.getString(content, "link"));
      }
  
      public String getLinkTitle() {
          String linkTitle = PropertyUtil.getString(content, "linkTitle", StringUtils.EMPTY);
          if (!linkTitle.equals(StringUtils.EMPTY)) {
              return linkTitle;
          }
          Node linkNode = getLinkNode();
  
          // Node might not be present e.g not published
          if (linkNode == null) {
              return StringUtils.EMPTY;
          }
  
          String pageTitle = PropertyUtil.getString(linkNode, "title", StringUtils.EMPTY);
          if (!pageTitle.equals(StringUtils.EMPTY)) {
              return pageTitle;
          } else {
              String pageName = StringUtils.EMPTY;
              try {
                  pageName = getLinkNode().getName();
              } catch (RepositoryException e) {
              }
              return pageName;
          }
      }
  
      protected Node getLinkNode() {
          try {
              return stkFunctions.getReferencedContent(content, "link", RepositoryConstants.WEBSITE);
          } catch (RepositoryException e) {
              return null;
          }
      }
  }