package object;

import java.awt.Point;
import java.util.ArrayList;

import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import net.locusworks.lsproject.object.Connection;
import net.locusworks.lsproject.object.DijkstraEngine;
import net.locusworks.lsproject.object.Network;
import net.locusworks.lsproject.object.Path;
import net.locusworks.lsproject.object.Router;

public class NetworkTest {
	@BeforeClass
	public static void setUpBeforeClass() {
		Network.createInstance("Johnny");
	}
	
	@Before
	public void setUpBeforeTest(){
		Router router1 = new Router("192.168.1.0", new Point(0,1));
		Router router2 = new Router("192.168.1.1", new Point(0,2));
		Router router3 = new Router("192.168.1.2", new Point(0,3));
		Router router4 = new Router("192.168.1.3", new Point(0,4));
		Router router5 = new Router("192.168.1.4", new Point(0,5));
		
		
		Connection connection1 = new Connection(router1.getIpAddress(),
				router2.getIpAddress(), 1);
		
		Connection connection2 = new Connection(router1.getIpAddress(),
				router3.getIpAddress(), 3);
		
		Connection connection3 = new Connection(router1.getIpAddress(),
				router4.getIpAddress(), 6);
		
		Connection connection4 = new Connection(router2.getIpAddress(),
				router3.getIpAddress(), 5);
		
		Connection connection5 = new Connection(router2.getIpAddress(),
				router4.getIpAddress(), 2);
		
		Connection connection6 = new Connection(router3.getIpAddress(),
				router5.getIpAddress(), 2);
		
		Connection connection7 = new Connection(router4.getIpAddress(),
				router5.getIpAddress(), 1);
		
		Router.addConnection(router1, router2, connection1);
		Router.addConnection(router1, router3, connection2);
		Router.addConnection(router1, router4, connection3);
		Router.addConnection(router2, router3, connection4);
		Router.addConnection(router2, router4, connection5);
		Router.addConnection(router3, router5, connection6);
		Router.addConnection(router4, router5, connection7);
		
		Network.getInstance().addRouter(router1);
		Network.getInstance().addRouter(router2);
		Network.getInstance().addRouter(router3);
		Network.getInstance().addRouter(router4);
		Network.getInstance().addRouter(router5);
	}
	
		
	
	@Test
	public void testFindShortestPath(){
		DijkstraEngine engine = new DijkstraEngine();
		
		System.out.println(Network.getInstance().getRouters().size());
		
		Path path = engine.findShortestPath(Network.getInstance().getRouterByIp("192.168.1.0"), 
				Network.getInstance().getRouterByIp("192.168.1.4"));
		
		int i = 1;
		ArrayList<Router> routerz = new ArrayList<Router>();
		while (path.hasNext()) {
			Router r = path.getNext();
			routerz.add(r);
			System.out.println("Step " + i++ + ": " + r.getIpAddress());
		}
		System.out.println("Total cost: " + path.getTotalCost());
		
	}

}