/**
    * 
    */
   package de.tivsource.page.restore;
   
   import java.io.BufferedReader;
   import java.io.IOException;
   import java.io.InputStream;
   import java.io.InputStreamReader;
  import java.io.UnsupportedEncodingException;
  import java.security.NoSuchAlgorithmException;
  import java.text.ParseException;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  import java.util.Iterator;
  
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
  import de.tivsource.page.dao.slider.SliderDaoLocal;
  import de.tivsource.page.entity.slider.Slider;
  import de.tivsource.page.entity.slider.SliderImage;
  
  /**
   * @author Marc Michele
   *
   */
  public class RestoreSlider {
  
      /**
       * Statischer Logger der Klasse.
       */
      private static final Logger LOGGER = LogManager.getLogger(RestoreSlider.class);
  
      private SliderDaoLocal sliderDaoLocal;
  
      public RestoreSlider(SliderDaoLocal sliderDaoLocal) {
          super();
          this.sliderDaoLocal = sliderDaoLocal;
      }
  
      public void generate(InputStream inputStream) {
          LOGGER.debug("generate(InputStream inputStream) aufgerufen");
          cleanup();
          BufferedReader in = new BufferedReader(new InputStreamReader(inputStream));
          try {
              String line = null;
              while ((line = in.readLine()) != null) {
                  if (!line.startsWith("[Format Definition]")) {
                  	Slider slider = convert(line);
                      sliderDaoLocal.merge(slider);
                  }
              }
          } catch (IOException e) {
              e.printStackTrace();
          } catch (NoSuchAlgorithmException e) {
              e.printStackTrace();
          }
      }
  
      private Slider convert(String line) throws NoSuchAlgorithmException, UnsupportedEncodingException {
  
          // uuid|clickable|url|name|page|orderNumber|
          // uuid;original;large;normal;small;thumbnail;micro;standard;created;modified;modifiedBy;modifiedAddress;|
          // visible|created|modified|modifiedBy|modifiedAddress
  
          // Zerlege CSV-Zeile in String-Array.
          String[] items = line.split("\\|");
  
          // Erstelle Announcement-Objekt
          Slider slider = new Slider();
  
          slider.setUuid(items[0]);
          slider.setClickable(items[1].equals("true") ? true : false);
          slider.setUrl(items[2]);
          slider.setName(items[3]);
          slider.setPage(items[4]);
          slider.setOrderNumber(Integer.parseInt(items[5]));
  
          String[] imageItems = items[6].split(";");
          SliderImage sliderImage = new SliderImage();
          sliderImage.setUuid(imageItems[0]);
          sliderImage.setOriginal(imageItems[1]);
          sliderImage.setLarge(imageItems[2]);
          sliderImage.setNormal(imageItems[3]);
          sliderImage.setSmall(imageItems[4]);
          sliderImage.setThumbnail(imageItems[5]);
          sliderImage.setMicro(imageItems[6]);
          sliderImage.setStandard(imageItems[7].equals("true") ? true : false);
          sliderImage.setCreated(convertDateString(imageItems[8]));
          sliderImage.setModified(convertDateString(imageItems[9]));
          sliderImage.setModifiedBy(imageItems[10]);
          sliderImage.setModifiedAddress(imageItems[11]);
          sliderImage.setSlider(slider);
          slider.setImage(sliderImage);
  
          slider.setVisible(items[7].equals("true") ? true : false);
          slider.setCreated(convertDateString(items[8]));
          slider.setModified(convertDateString(items[9]));
         slider.setModifiedBy(items[10]);
         slider.setModifiedAddress(items[11]);
 
         return slider;
     }// Ende convert(String line)
 
     /**
      * Methode zum Konvertieren eines Strings des Formates "1970-12-01 23:59:59" in ein Date-Object. 
      * @param dateString
      * @return
      */
     private Date convertDateString(String dateString) {
         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         try {
             return simpleDateFormat.parse(dateString);
         } catch (ParseException e) {
             return new Date();
         }
     }
 
     private void cleanup() {
         if(sliderDaoLocal.countAll() > 0) {
             Iterator<Slider> sliderIterator = sliderDaoLocal.findAll(0, sliderDaoLocal.countAll()).iterator();
             while(sliderIterator.hasNext()) {
                 Slider next = sliderIterator.next();
                 sliderDaoLocal.delete(next);
             }
         }
     }// Ende cleanup()
 
 }// Ende class