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package org.wicketstuff.chat.channel;

import java.io.Serializable;
import java.util.Map;

import org.apache.wicket.Component;
import org.apache.wicket.util.time.Duration;
import org.wicketstuff.chat.channel.api.ChannelEvent;
import org.wicketstuff.chat.channel.api.EventStoreListener;
import org.wicketstuff.chat.channel.api.IChannelListener;
import org.wicketstuff.chat.channel.api.IChannelPublisher;
import org.wicketstuff.chat.channel.api.IChannelService;
import org.wicketstuff.chat.channel.api.IPushTarget;

public class TimerChannelService implements IChannelService, Serializable
{
	private static final long serialVersionUID = 1L;

	private final Duration duration;
	private final IChannelPublisher publisher = new TimerChannelPublisher();

	public TimerChannelService(final Duration duration)
	{
		this.duration = duration;
	}

	@Override
	public void addChannelListener(final Component component, final String listenerChannel,
		final IChannelListener listener)
	{

		final TimerChannelBehavior timerChannelBehavior = new TimerChannelBehavior(duration);
		final IPushTarget pushTarget = timerChannelBehavior.newPushTarget();
		component.add(timerChannelBehavior);
		EventStore.get().addEventStoreListener(new EventStoreListener()
		{
			@Override
			public void eventTriggered(final String eventChannel, final Map data)
			{
				if (eventChannel != null && !eventChannel.isEmpty() && listenerChannel != null
					&& listenerChannel.equals(eventChannel))
				{
					listener.onEvent(listenerChannel, data, pushTarget);
					pushTarget.trigger();
				}
			}
		});
	}

	@Override
	public void publish(final ChannelEvent event)
	{
		publisher.publish(event);
	}

}