/**
    * This file Copyright (c) 2008-2011 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.pages;
  
  import info.magnolia.cms.core.MgnlNodeType;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.module.templatingkit.functions.STKTemplatingFunctions;
  import info.magnolia.module.templatingkit.navigation.Link;
  import info.magnolia.module.templatingkit.navigation.SiteNavigationModel;
  import info.magnolia.module.templatingkit.templates.AbstractSTKTemplateModel;
  import info.magnolia.module.templatingkit.templates.category.TemplateCategory;
  import info.magnolia.module.templatingkit.templates.category.TemplateCategoryUtil;
  import info.magnolia.module.templatingkit.templates.components.ImageModel;
  import info.magnolia.module.templatingkit.templates.components.TextImageModel;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.rendering.model.RenderingModel;
  import info.magnolia.templating.functions.TemplatingFunctions;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Base page model class of all pages providing page level functionality.
   *
   * @param <RD>
   *            - an instance of {@link STKPage}
   *
   * @author cringele
   * @version $Id$
   */
  public class STKPageModel<RD extends STKPage> extends AbstractSTKTemplateModel<RD> {
  
      private static Logger log = LoggerFactory.getLogger(STKPageModel.class);
  
      protected static final String LINK_PROP_NAME = "link";
      protected static final String LINK_TITLE_PROP_NAME = "linkTitle";
  
      @Inject
      public STKPageModel(Node content, RD definition, RenderingModel<?> parent, STKTemplatingFunctions stkFunctions, TemplatingFunctions templatingFunctions) {
          super(content, definition, parent, stkFunctions, templatingFunctions);
      }
  
      public String getBodyClass() {
          return stkFunctions.theme(getSite()).getBodyClassResolver().resolveBodyClass(this);
      }
  
      public SiteNavigationModel getNavigation() {
          return new SiteNavigationModel(getDefinition().getNavigation(), getSiteRoot(), content);
      }
  
      public String getLogoImageLink() {
          final Node root = getSiteRoot();
          return stkFunctions.getAssetLink(root, "logoImg");
      }
  
      public String getPrintLogoImageLink() {
          final Node root = getSiteRoot();
          return stkFunctions.getAssetLink(root, "printLogoImg");
      }
 
     protected Node resolveSectionPage() throws RepositoryException {
         return stkFunctions
                 .wrap(TemplateCategoryUtil.findParentWithTemplateCategory(content, TemplateCategory.SECTION));
     }
 
 
 
     public Collection<Link> getContentNavigation() throws RepositoryException {
         int maxNavLevel =
                 this.getNavigation().getHorizontalLevel() + this.getNavigation().getVerticalLevel()
                         + getSiteRoot().getDepth();
 
         Iterable<Node> children = NodeUtil.getNodes(content, MgnlNodeType.NT_PAGE);
         Iterator<Node> childrenIterator = children.iterator();
 
         if (content.getDepth() >= maxNavLevel && childrenIterator.hasNext()) {
             List<Link> items = new ArrayList<Link>();
 
             while (childrenIterator.hasNext()) {
                 Node current = childrenIterator.next();
                 items.add(Components.newInstance(Link.class, current));
             }
             return items;
         }
 
         return null;
     }
 
     /**
      * just for ee users. FIXME: will it always be Nodes, so List<Node> would be returnable?
      */
     public List<?> getCategories() {
         return stkFunctions.getCategories(this.content);
     }
 
     /**
      * just for ee users.
      */
     public String getCategoryLink(String categoryName) {
         return stkFunctions.getCategoryLink(this.content, categoryName);
     }
 
     /**
      * FIXME: Should be moved to into-area model.
      */
     public ImageModel<?> getImageModel() {
         // we reuse the model of the text image paragraph as the same classes and names are used
         return Components.newInstance(TextImageModel.class, content,  definition, this);
     }
 
 }