package de.tivsource.page.user.actions.news;
   
   import java.util.regex.Pattern;
   
   import org.apache.logging.log4j.LogManager;
   import org.apache.logging.log4j.Logger;
   import org.apache.struts2.ServletActionContext;
   import org.apache.struts2.convention.annotation.Action;
   import org.apache.struts2.convention.annotation.Actions;
  import org.apache.struts2.convention.annotation.Result;
  import org.apache.struts2.tiles.annotation.TilesDefinition;
  import org.apache.struts2.tiles.annotation.TilesDefinitions;
  import org.apache.struts2.tiles.annotation.TilesPutAttribute;
  
  import de.tivsource.ejb3plugin.InjectEJB;
  import de.tivsource.page.dao.news.NewsDaoLocal;
  import de.tivsource.page.dao.page.PageDaoLocal;
  import de.tivsource.page.dao.property.PropertyDaoLocal;
  import de.tivsource.page.entity.news.News;
  import de.tivsource.page.entity.page.Page;
  import de.tivsource.page.user.actions.EmptyAction;
  
  /**
   * 
   * @author Marc Michele
   *
   */
  @TilesDefinitions({
    @TilesDefinition(name="news", extend = "userTemplate", putAttributes = {
      @TilesPutAttribute(name = "content",    value = "/WEB-INF/tiles/active/view/news/news.jsp")
    })
  })
  public class NewsAction extends EmptyAction {
  
      /**
       * Serial Version UID.
       */
  	private static final long serialVersionUID = -4466409845775558651L;
  
  	/**
       * Statischer Logger der Klasse.
       */
      private static final Logger LOGGER = LogManager.getLogger(NewsAction.class);
  
      @InjectEJB(name = "PageDao")
      private PageDaoLocal pageDaoLocal;
  
      @InjectEJB(name="PropertyDao")
      private PropertyDaoLocal propertyDaoLocal;
  
      @InjectEJB(name="NewsDao")
      private NewsDaoLocal newsDaoLocal;
  
      private News news;
  
      private String newsUuid;
      
      private Page page;
  
      @Override
      @Actions({
          @Action(value = "*/index", results = {
              @Result(name = "success", type = "tiles", location = "news"),
              @Result(name = "input", type = "redirectAction", location = "index.html", params={"namespace", "/"}),
              @Result(name = "error", type = "redirectAction", location = "index.html", params={"namespace", "/"})
          })
      })
      public String execute() throws Exception {
          LOGGER.info("execute() aufgerufen.");
  
          // Hole Eigenschaft aus der Datenbank
          boolean moduleEnabled = propertyDaoLocal.findByKey("module.news").getValue().equals("true") ? true : false;
  
          // Prüfe ob das Module aktiviert ist
          if(moduleEnabled) {
              // Hole Action Locale
              this.getLanguageFromActionContext();
  
              // Lese UUID aus dem ServletRequest
              newsUuid = ServletActionContext.getRequest().getServletPath();
              LOGGER.info("NewsUuid: " + newsUuid);
              newsUuid = newsUuid.replaceAll("/index.html", "");
              newsUuid = newsUuid.replaceAll("/news/", "");
              LOGGER.info("NewsUuid: " + newsUuid);
  
              /*
               * Wenn die News Uuid keine nicht erlaubten Zeichen enthält, es die News
               * mit der Uuid gibt, diese sichtbar ist und das Veröffentlichungesdatum
               * erreicht wurde, dann wird der Block ausgeführt.
               */
              if (isValid(newsUuid) && newsDaoLocal.isPublicNewsUuid(newsUuid)) {
                  LOGGER.info("gültige News Uuid.");
  
                  news = newsDaoLocal.findByUuid(newsUuid);
  
                  // Setze Daten in ein Page Objekt
                  setUpPage();
  
                  return SUCCESS;
             }
             
             // Wenn es einen Manipulationsversuch gab.
             return ERROR;
         } else {
             // Wenn das Module nicht aktiviert ist.
             return ERROR;
         }
     }// Ende execute()
 
     @Override
     public Page getPage() {
         return page;
     }
 
     public News getNews() {
         return news;
     }
 
     private Boolean isValid(String input) {
         if (Pattern.matches("[abcdef0-9-]*", input)) {
             return true;
         } else {
             return false;
         }
     }
 
     private void setUpPage() {
         page = new Page();
         page.setTechnical(news.getTechnical());
         page.setDescriptionMap(news.getDescriptionMap());
         page.setPicture(news.getPicture());
         page.setPictureOnPage(news.getPictureOnPage());
         page.setCssGroup(news.getCssGroup());
     }
 
 }// Ende class