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.administration.RoleDaoLocal;
  import de.tivsource.page.entity.administration.Role;
  
  public class BackupRole {
  
      /**
       * Statischer Logger der Klasse.
       */
      private static final Logger LOGGER = LogManager.getLogger(BackupRole.class);
  
  	private static final int MAX = 1500;
  	
  	private static RoleDaoLocal roleDaoLocal;
  
  	public static void setRoleDaoLocal(RoleDaoLocal roleDaoLocal) {
  		BackupRole.roleDaoLocal = roleDaoLocal;
  	}
  
  	public static File getBackupFile() throws IOException {
  	    LOGGER.info("getBackupFile() aufgerufen.");
  
  		// Datei Kram
  		File backupFile = new File("/tmp/role.csv");
      	FileWriter backupFileWriter = new FileWriter(backupFile);
      	BufferedWriter backupFileWriterOut = new BufferedWriter(backupFileWriter);
  
      	// Format Definition 
      	backupFileWriterOut.write("[Format Definition] => uuid|technical|created|modified|modifiedBy|modifiedAddress|");
  
      	Iterator<Role> typeIterator = roleDaoLocal.findAll(0, MAX).iterator();
      	while(typeIterator.hasNext()) {
      		Role next = typeIterator.next();
      		backupFileWriterOut.write("\n");
      		backupFileWriterOut.write(convertToCsvLine(next));
      	}
      	backupFileWriterOut.close();
      	backupFileWriter.close();
  
      	return backupFile;
  	}// Ende getBackupFiles()
  
  	private static String convertToCsvLine(Role next) {
  
  		// uuid|technical|created|modified|modifiedBy|modifiedAddress|
  
  		StringBuffer nextString = new StringBuffer();
  
  		nextString.append(next.getUuid());
  		nextString.append("|");
  
  		nextString.append(next.getTechnical());
  		nextString.append("|");
  
  		SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  		nextString.append(simpleDateFormat.format(next.getCreated()));
  		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