/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.wicket.examples.atmosphere;

import java.util.Date;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.atmosphere.AtmosphereInternalEvent;
import org.apache.wicket.atmosphere.EventBus;
import org.apache.wicket.atmosphere.Subscribe;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.Model;
import org.apache.wicket.request.mapper.parameter.PageParameters;

public class HomePage extends WicketExamplePage
{
	private static final long serialVersionUID = 1L;

	private Component timeLabel;
	private Component messageLabel;
	private TextField<String> receiver;
	private TextField<String> input;

	public HomePage(final PageParameters parameters)
	{
		super(parameters);

		add(timeLabel = new Label("time", Model.of("start")).setOutputMarkupId(true));
		add(messageLabel = new Label("message", Model.of("-")).setOutputMarkupId(true));

		Form<Void> form = new Form<>("form");
		add(form);
		form.add(receiver = new TextField<>("receiver", Model.of("")));
		form.add(input = new TextField<>("input", Model.of("")));
		form.add(new AjaxSubmitLink("send", form)
		{
			private static final long serialVersionUID = 1L;

			@Override
			protected void onSubmit(AjaxRequestTarget target, Form<?> form)
			{
				EventBus.get().post(
					new ChatMessage(receiver.getModelObject(), input.getModelObject()));
			}

			@Override
			protected void onError(AjaxRequestTarget target, Form<?> form)
			{
			}
		});

		setVersioned(false);
	}

	@Subscribe
	public void updateTime(AjaxRequestTarget target, Date event)
	{
		timeLabel.setDefaultModelObject(event.toString());
		target.add(timeLabel);
	}

	@Subscribe(contextAwareFilter = ReceiverFilter.class)
	public void receiveMessage(AjaxRequestTarget target, ChatMessage message)
	{
		messageLabel.setDefaultModelObject(message.getMessage());
		target.add(messageLabel);
	}

	@Subscribe
	public void internalEvent(AjaxRequestTarget target, AtmosphereInternalEvent message)
	{
//		System.err.println(message);
	}
}
