package test.sematest;

import java.util.LinkedList;

import rep.Session;
import rep.channel.REPLogger;
import rep.gui.SelectButtonEvent;
import rep.gui.SessionManagerEvent;
import rep.gui.SessionManagerEventListener;
import rep.gui.SessionManagerGUI;
import rep.handler.REPNode;

/**
 * @author kono
 * Dummy GUI for test
 * 
 *    perform auto select operation
 */

public class TestGUI implements SessionManagerGUI {
	public LinkedList<Session> slist;
	public LinkedList<REPNode> elist;
	SessionManagerEventListener manager;
	int count = 0;
	private REPLogger ns;

	public TestGUI(SessionManagerEventListener manager) {
		this.manager = manager;
		ns = REPLogger.singleton();
	}
	
	public void invokeLater(Runnable doRun) {
		doRun.run();
	}

	public void update(LinkedList<Session> slist, LinkedList<REPNode> elist) {
		int i = 0;
		this.slist = slist;
		this.elist = elist;
		// fair and deterministic select session for an empty editor
		if (slist.size()==0) return;
		Session s = slist.get(count++ % slist.size());
		for(REPNode e :elist) {
			if (e.isDirect() && !e.hasSession()) {
				SessionManagerEvent event = new SelectButtonEvent(e, s);
				ns.writeLog("Select session "+s.getSID()+" and editor "+i);
				manager.buttonPressed(event);
				s = slist.get(count++ % slist.size());
			}
			i++;
		}
	}

}