package de.tivsource.page.admin.backup;
   
   import java.io.BufferedWriter;
   import java.io.File;
   import java.io.FileWriter;
   import java.io.IOException;
   import java.text.SimpleDateFormat;
   import java.util.Iterator;
   
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
  import de.tivsource.page.dao.property.PropertyDaoLocal;
  import de.tivsource.page.entity.property.Property;
  
  public class BackupProperty {
  
      /**
       * Statischer Logger der Klasse.
       */
      private static final Logger LOGGER = LogManager.getLogger(BackupProperty.class);
  
  	private static final int MAX = 1500;
  	
  	private static PropertyDaoLocal propertyDaoLocal;
  
      public static void setPropertyDaoLocal(PropertyDaoLocal propertyDaoLocal) {
          BackupProperty.propertyDaoLocal = propertyDaoLocal;
      }
  
      public static File getBackupFile() throws IOException {
          LOGGER.info("getBackupFile() aufgerufen.");
  
  		// Datei Kram
  		File backupFile = new File("/tmp/property.csv");
      	FileWriter backupFileWriter = new FileWriter(backupFile);
      	BufferedWriter backupFileWriterOut = new BufferedWriter(backupFileWriter);
  
      	// Format Definition 
      	backupFileWriterOut.write("[Format Definition] => key|value|modified|modifiedBy|modifiedAddress|");
  
      	Iterator<Property> typeIterator = propertyDaoLocal.findAll(0, MAX).iterator();
      	while(typeIterator.hasNext()) {
      	    Property next = typeIterator.next();
      		backupFileWriterOut.write("\n");
      		backupFileWriterOut.write(convertToCsvLine(next));
      	}
      	backupFileWriterOut.close();
      	backupFileWriter.close();
  
      	return backupFile;
  	}// Ende getBackupFiles()
  
  	private static String convertToCsvLine(Property next) {
  
  	    SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  
  		// uuid|technical|created|modified|modifiedBy|modifiedAddress|
  
  		StringBuffer nextString = new StringBuffer();
  
  		nextString.append(next.getKey());
  		nextString.append("|");
  
  		nextString.append(next.getValue());
  		nextString.append("|");
  
          nextString.append(simpleDateFormat.format(next.getModified()));
          nextString.append("|");
  
          nextString.append(next.getModifiedBy());
          nextString.append("|");
  
          nextString.append(next.getModifiedAddress());
          nextString.append("|");
  
  		return nextString.toString();
  	}
  
  }// Ende class