package test.sematest;

import java.io.IOException;
import rep.SessionManager;
import rep.SessionManagerEvent;
import rep.SessionManagerGUI;
import rep.channel.REPLogger;
import rep.channel.REPServerSocketChannel;


public class TestSessionManager {
	
	static public REPLogger logger = REPLogger.singleton();
	int masterPort = 8766;
	String host = "localhost";
	SessionManager sessionManagers[];
	SessionManager slaveSessionManagers[];
	TestEditor editors[];

	/*
	 * All test is performed in localhost, so all session manager
	 * should have differenct port number each other.
	 */
	
	/*
	 * Test Pattern List
	 *    Connect port for each editor
	 *    Master/client flag for each editor
	 *    Editor or slave session manager must be started by
	 *      master session managers using syncExec.
	 */
	int editorPort[] = {masterPort,masterPort};
	boolean editorMaster[] = {true,false};
	SessionManagerEvent ev1[] = {
			new SessionManagerEvent() {
				// executed before first select();
				public void exec() {	
					for(TestEditor editor:editors) {
						editor.start();
					}
					int i = sessionManagers.length;
					for(SessionManager slave:slaveSessionManagers) {
						i = startSessionManager(slave,i,masterPort + i);
					}
				}
			}};
	
	/*
	 * Create all editors, master session managers and slave session 
	 * managers with specified port. All instances are not started yet.
	 */
	
	public TestSessionManager(int sm, int ss, int e) {
		sessionManagers = new SessionManager[sm];
		slaveSessionManagers = new SessionManager[ss];
		editors = new TestEditor[e];
		for(int i=0;i<sm;i++) {
			sessionManagers[i] = new SessionManager(); 	
		}
		for(int i=0;i<ss;i++) {
			slaveSessionManagers[i] = new SessionManager(); 
		}
		for(int i=0;i<e;i++) {
			int port = editorPort[i%editorPort.length];
			boolean master = editorMaster[i%editorMaster.length];
			// TestEditor extends Thread
			editors[i] = new TestEditor("Editor"+i,host,port,master);
		}
	}

	/*
	 * start session manager. sm.init(port,guit) is a mainloop, so
	 * we need Thread here. 
	 */
	private int startSessionManager(final SessionManager sm,int i,int port) {
		final SessionManagerGUI gui = new TestGUI(sm);
		final int port1 = port;
		logger.writeLog("TestSessionManager.startSessionManager() : start SessionManager");
		// syncExec does not wake selector, do this before run().
		if (i<ev1.length)
			sm.syncExec(ev1[i]);
		Runnable start = new Runnable() {
			public void run() {		try {
				sm.init(port1,gui);
			} catch (IOException e) {
			} catch (InterruptedException e) {
			}
			}
		};
		new Thread(start).run();
		return i+1;
	}


	private void startTest() {
		int i = 0;
		for(SessionManager master:sessionManagers) {
			i = startSessionManager(master,i, masterPort + i);
		}
	}

	public static void main(String[] args){
		/*
		 * set simulation mode
		 *    isSimulation=true     thread base simulation for PathFinder
		 *    isSimulation=false    socket based communication mode
		 */
		REPServerSocketChannel.isSimulation = false;
		TestSessionManager test = new TestSessionManager(1, 0, 2);
		logger.setLogLevel(5);
		test.startTest();
	}


}