package uk.ac.leeds.sog.moses.agent;

import java.io.IOException;
import java.util.Random;

import org.apache.log4j.Appender;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Layout;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.RollingFileAppender;
import org.apache.log4j.xml.DOMConfigurator;

/**
 * @author Belinda
 * This class provides a random tester to apply a probability of 5%
 */
public class RandomTester {

	private static Logger s_logger = Logger.getLogger(RandomTester.class);
	
	static {
	    String logPropertyFile = System.getProperty("log4j.configuration");

	     if (null != logPropertyFile) {
	    	 if (logPropertyFile.endsWith("xml")) {
	             DOMConfigurator.configure(logPropertyFile);
	         } else if (logPropertyFile.endsWith("properties")) {
	             PropertyConfigurator.configure(logPropertyFile);
	         }

	     } else {
	    	 BasicConfigurator.configure();
	         Logger root = Logger.getRootLogger();
	         try {
	             Layout layout = new PatternLayout("%d{HH:mm:ssSSS} %-5p [%-15t]: %c{1} - %m%n");
	             ((Appender)root.getAllAppenders().nextElement()).setLayout(layout);
                 root.addAppender(new RollingFileAppender(layout, "toymodel.log", false));
             } catch (IOException e) {
	             e.printStackTrace();
	         }
         }
	}
	
	public RandomTester() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		int step = 1;
		Random generator = new Random();
		int okay = 0;
		while(step < 1000) {
			// s_logger.info("Simulation step: " + step);
			
			int value = generator.nextInt(1000) + 1;
			if(value <= 4) {
				okay++;
			}
			/*
			if(s_logger.isDebugEnabled()) {
				s_logger.debug("random value is: " + value);
			}*/
			
			step += 1;
		}
		System.out.println(okay);

	}

}