/**
    * This file Copyright (c) 2003-2011 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.forum.frontend.action;
  
  import info.magnolia.jcr.util.PropertyUtil;
  import info.magnolia.module.forum.ForumConfiguration;
  import info.magnolia.module.forum.ForumManager;
  import info.magnolia.module.forum.PagedResult;
  import info.magnolia.rendering.model.RenderingModel;
  import info.magnolia.rendering.template.RenderableDefinition;
  
  import java.util.Collection;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  /**
   * Action to see all messages on a thread.
   * 
   * @param <RD>
   *            - an instance of {@link RenderableDefinition}
   * 
   * @author gjoseph
   * @version $Revision: $ ($Author: $)
   */
  public class ThreadView<RD extends RenderableDefinition>  extends AbstractThreadAction<RD> {
  
      private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ThreadView.class);
  
      protected static final String PROPERTYNAME = "threadId";
      private long page;
      private PagedResult messages;
  
      protected void setMessages(PagedResult messages) {
          this.messages = messages;
      }
  
      public ThreadView(Node content, RD renderable, RenderingModel<?> parent) {
          super(content, renderable, parent);
      }
  
      public ThreadView(Node content, RD renderable, RenderingModel<?> parent, ForumManager forumManager, ForumConfiguration config) {
          super(content, renderable, parent, forumManager, config);
      }
  
      public void setPage(long page) {
          this.page = page;
      }
  
      @Override
      public String execute() {
          try {
              if (getNode().hasProperty(PROPERTYNAME)) {
                  threadId = PropertyUtil.getString(getNode(),PROPERTYNAME);
              }
              if (threadId == null) {
                  throw new IllegalStateException("No thread id given");
              }
              thread = forumManager.getThread(threadId);
              forum = forumManager.getForumFromThread(thread);
  
              if (page < 1) {
                  page = 1;
              }
              messages = forumManager.getMessages(thread, page);
  
              return "success";
          } catch (RepositoryException e) {
             //log.error("RepositoryException: "+e.getMessage(),e);
             throw new RuntimeException(e); // TODO
             //return "error";
         }
     }
 
     public Collection<Node> getMessages() throws RepositoryException {
         return messages.getNodePage();
     }
 
     public long getPageCount() {
         if (forumConfig.getMessagesPerPage() < 1) {
             return 1;
         }
 
         return (long) Math.ceil((double) messages.getTotalNodeCount() / (double) forumConfig.getMessagesPerPage());
     }
 }