/*

 * All Sigmah code is released under the GNU General Public License v3

 * See COPYRIGHT.txt and LICENSE.txt.

 */



package org.sigmah.client.mock;



import com.extjs.gxt.ui.client.event.BaseEvent;

import com.extjs.gxt.ui.client.event.BaseObservable;

import com.extjs.gxt.ui.client.event.EventType;

import org.junit.Assert;

import org.sigmah.client.EventBus;

import org.sigmah.client.event.NavigationEvent;



import java.util.ArrayList;

import java.util.List;



import static org.junit.Assert.assertTrue;



/**

 * @author Alex Bertram (akbertram@gmail.com)

 */

public class MockEventBus extends BaseObservable implements EventBus {



    public List<BaseEvent> eventLog = new ArrayList<BaseEvent>();



   

    

    @Override

    public boolean fireEvent(EventType eventType, BaseEvent be) {

        

        eventLog.add(be);



        return super.fireEvent(eventType, be);



    }



	@Override

	public boolean fireEvent(BaseEvent event) {

		return fireEvent(event.getType(), event);

	}



    public void assertEventFired(BaseEvent event) {

        Assert.assertTrue(eventLog.contains(event));

    }



    public int getEventCount(EventType type) {

        int count = 0;

        for(BaseEvent event : eventLog) {



            if(event.getType() == type) {

                count++;

            }

       }

        return count;

    }









    public <T> T getLastNavigationEvent(Class<T> placeClass) {

        for(int i=eventLog.size()-1; i>=0;i--) {

            BaseEvent event = eventLog.get(i);

            if(event instanceof NavigationEvent) {

                NavigationEvent nevent = (NavigationEvent)event;

                if(placeClass.isAssignableFrom(nevent.getPlace().getClass())) {

                    return (T)nevent.getPlace();

                }

            }

        }

        return null;

    }



    public void assertNotFired(EventType eventType) {

        assertTrue("eventType" + eventType.toString() + " has not been fired", getEventCount(eventType)==0);

    }

}