package jmri.jmrix.acela;

import java.util.Vector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Stands in for the AcelaTrafficController class.
 *
 * @author Bob Coleman Copyright 2008
 */
public class AcelaTrafficControlScaffold extends AcelaTrafficController {

    public AcelaTrafficControlScaffold() {
    }

    // override some AcelaTrafficController methods for test purposes
    @Override
    public boolean status() {
        return true;
    }

    /**
     * record messages sent, provide access for making sure they are OK
     */
    public Vector<AcelaMessage> outbound = new Vector<AcelaMessage>();  // public OK here, so long as this is a test class

    @Override
    public void sendAcelaMessage(AcelaMessage m, AcelaListener reply) {
        log.debug("sendAcelaMessage [{}]", m);
        // save a copy
        outbound.addElement(m);
        // we don't return an echo so that the processing before the echo can be
        // separately tested
    }

    // test control member functions

    /**
     * forward a message to the listeners, e.g. test receipt
     */
    protected void sendTestMessage(AcelaMessage m, AcelaListener l) {
        // forward a test message to AcelaListeners
        log.debug("sendTestMessage  [{}]", m);
        notifyMessage(m, l);
    }

    protected void sendTestMessage(AcelaReply m) {
        // forward a test message to AcelaListeners
        log.debug("sendTestMessage  [{}]", m);
        //notifyMessage(m, l);
    }

    /*
     * Check number of listeners, used for testing dispose()
     */
    public int numListeners() {
        return cmdListeners.size();
    }

    private static final Logger log = LoggerFactory.getLogger(AcelaTrafficControlScaffold.class);

}