package de.tivsource.page.user.actions.location;
   
   import java.util.List;
   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.event.EventDaoLocal;
  import de.tivsource.page.dao.location.LocationDaoLocal;
  import de.tivsource.page.dao.page.PageDaoLocal;
  import de.tivsource.page.dao.property.PropertyDaoLocal;
  import de.tivsource.page.entity.event.Event;
  import de.tivsource.page.entity.location.Location;
  import de.tivsource.page.entity.page.Page;
  import de.tivsource.page.user.actions.EmptyAction;
  
  /**
   * 
   * @author Marc Michele
   *
   */
  @TilesDefinitions({
    @TilesDefinition(name="locationView", extend = "userTemplate", putAttributes = {
      @TilesPutAttribute(name = "meta",    value = "/WEB-INF/tiles/active/meta/location_view.jsp"),
      @TilesPutAttribute(name = "twitter", value = "/WEB-INF/tiles/active/twitter/location_view.jsp"),
      @TilesPutAttribute(name = "content", value = "/WEB-INF/tiles/active/view/location/location_view.jsp")
    })
  })
  public class LocationAction extends EmptyAction {
  
      /**
       * Serial Version UID.
       */
      private static final long serialVersionUID = 6236431708460575442L;
  
      /**
       * Statischer Logger der Klasse.
       */
      private static final Logger LOGGER = LogManager.getLogger(LocationAction.class);
  
      /**
       * Attribut das die maximal Anzahl der Liste enthält. 
       */
      private static final Integer TO = 3;
  
      @InjectEJB(name = "PageDao")
      private PageDaoLocal pageDaoLocal;
  
      @InjectEJB(name="PropertyDao")
      private PropertyDaoLocal propertyDaoLocal;
  
      @InjectEJB(name="LocationDao")
      private LocationDaoLocal locationDaoLocal;
  
      @InjectEJB(name="EventDao")
      private EventDaoLocal eventDaoLocal;
  
      /**
       * Location Uuid im Pfad (Achtung kann duch den Benutzer manipuliert werden).
       */
      private String locationUuid;
  
      private Location location;
  
      private List<Event> events;
      
      private Page page;
  
      public Location getLocation() {
          return location;
      }
  
      @Override
      @Actions({
          @Action(value = "*/index", results = {
              @Result(name = "success", type = "tiles", location = "locationView"),
              @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.location").getValue().equals("true") ? true : false;
  
          // Prüfe ob das Module aktiviert ist
          if(moduleEnabled) {
              // Hole Action Locale
              this.getLanguageFromActionContext();
 
             // Lese UUID aus dem ServletRequest
             locationUuid = ServletActionContext.getRequest().getServletPath();
             LOGGER.info("LocationUuid: " + locationUuid);
             // Lösche unbenötigte Teile aus dem Pfad
             locationUuid = locationUuid.replaceAll("/index.html", "");
             locationUuid = locationUuid.replaceAll("/location/", "");
             LOGGER.info("LocationUuid: " + locationUuid);
 
             /*
              * Wenn die Location Uuid keine nicht erlaubten Zeichen enthält und es
              * die Location mit der Uuid gibt dann wird der Block ausgeführt.
              */
             if (isValid(locationUuid) && locationDaoLocal.isLocation(locationUuid)) {
                 LOGGER.info("gültige Location Uuid.");
 
                 // Setze Daten in ein Page Objekt
                 setUpPage();
 
                 // Wenn dies eine Event-Location ist dann hole die Events aus der
                 // Datenbank
                 if(location.getEvent()) {
                     events = eventDaoLocal.findAll(locationUuid, 0, TO);
                 }
 
                 return SUCCESS;
             }
 
             // Wenn es einen Manipulationsversuch gab.
             return ERROR;
             
         } else {
             // Wenn das Modul nicht aktiviert ist.
             return ERROR;
         }
     }// Ende execute()
 
     @Override
     public Page getPage() {
         return page;
     }
 
     public List<Event> getEvents() {
 		return events;
 	}
 
 	private Boolean isValid(String input) {
         if (Pattern.matches("[abcdef0-9-]*", input)) {
             return true;
         } else {
             return false;
         }
     }
 
     private void setUpPage() {
         location = locationDaoLocal.findByUuid(locationUuid);
         page = new Page();
         page.setTechnical(location.getTechnical());
         page.setDescriptionMap(location.getDescriptionMap());
         page.setPicture(location.getPicture());
         page.setPictureOnPage(location.getPictureOnPage());
         page.setCssGroup(location.getCssGroup());
     }
 
 }// Ende class