import java.awt.*;
import javax.swing.*;

//import OraclePinger.Connector;
import OraclePinger.*; // a mod of : http://docs.oracle.com/javase/1.4.2/docs/guide/nio/example/Ping.java

import java.util.LinkedList;

/* This skeleton app creates a window frame with a chart panel. Extend
 * this class and add more classes to complete the challenge.
 */
public class LatencyChallenge {
	// The port we'll actually use
	static int port = 80;
	static String[] host = {"google.com", "yahoo.com"};
	static int datapoints = 6;

	//private final JFrame frame;
	private static final JFrame frame = new JFrame("Latency Challenge - by kendy");
	private static int w;

	public static void main(String[] args) throws Exception /*, InterruptedException, IOException */ {

		// Create the targets List 
		LinkedList<Target> targetList = new LinkedList<Target>();

		int[][] pockets = new int[host.length + args.length][datapoints];
		ChartPanel chartpanel = new ChartPanel();
		chartpanel.dim2 = datapoints;

		frame.setSize(datapoints*50+20, 360);
		frame.getContentPane().setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.Y_AXIS));
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		//frame.pack();

		frame.getContentPane().add(new JLabel("yahoo.com vs google.com latency"));
		frame.getContentPane().add(chartpanel);

		frame.setVisible(true);

		w = 0;	//flag to the chartPanel- data points are new
		while(true) {
			if (w<datapoints)
				++w;
			chartpanel.w = w;

			//Create new Connector threads
			Connector connector = new Connector();
			connector.start();

			//Create Targets, Add them to the List and Add them to the connector
			for (int i = 0; i < host.length; i++) {
				Target t = new Target(host[i], port);
				targetList.add(t);
				connector.add(t);
			}
			for (int i = 0; i < args.length; i++) {
				targetList.add(new Target(args[i], port));
				connector.add(targetList.getLast());
			}

			// Wait for the Connector & Printer Thread to Finish
			Thread.sleep(2000);
			connector.shutdown();
			connector.join();

			//updates the newest data
			pockets = shiftArray(pockets); 
			int p = 0; 
			for (Target t : targetList ) { 
				pockets[p][datapoints-1] = (int)(t.time());
				++p;
			}

			chartpanel.dataArray = pockets;

			array2dDebug(pockets);
			System.out.println();

			targetList.clear(); //clear target List

		}//end While(true) loop
	}

	//Move the values along the 2nd dim
	static int[][] shiftArray(int[][] arr){
		if(datapoints>1){
			for (int i=0;i<arr.length;i++){
				for(int j=0;j<datapoints-1;j++) {
					arr[i][j]= arr[i][j+1];
				}
			}
		}
		return arr;
	}

	//To console print -debug data pockets array
	static void array2dDebug(int[][] arr){
		for (int i=0;i<arr.length;i++){
			for(int j=0;j<datapoints;j++){
				System.out.print(arr[i][j]+",");
			}
			System.out.print('\n');
		}
	}

//Originally 	
//	private final JFrame frame;
//
//	LatencyChallenge() {
//		frame = new JFrame("LatencyChallenge");
//		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//		frame.pack();
//		frame.setSize(300, 160);
//		frame.getContentPane().setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.Y_AXIS));
//	}
//
//	public void run() {
//		frame.getContentPane().add(new JLabel("yahoo.com vs google.com latency"));
//		frame.getContentPane().add(new ChartPanel());
//
//		frame.setVisible(true);
//	}
//
//	public static void main(String args[]) {
//		(new LatencyChallenge()).run();
//	}

}