/*
 * Copyright 2002-2014 the original author or authors.
 *
 * Licensed 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.springframework.integration.mqtt.config.xml;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;

import org.hamcrest.Matchers;
import org.junit.Test;
import org.junit.runner.RunWith;

import org.springframework.aop.framework.Advised;
import org.springframework.aop.support.AopUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.integration.endpoint.EventDrivenConsumer;
import org.springframework.integration.handler.MessageProcessor;
import org.springframework.integration.handler.advice.RequestHandlerRetryAdvice;
import org.springframework.integration.mqtt.core.DefaultMqttPahoClientFactory;
import org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler;
import org.springframework.integration.mqtt.support.DefaultPahoMessageConverter;
import org.springframework.integration.mqtt.support.MqttMessageConverter;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringRunner;

/**
 * @author Gary Russell
 * @author Artem Bilan
 * @since 4.0
 */
@RunWith(SpringRunner.class)
@DirtiesContext
public class MqttOutboundChannelAdapterParserTests {

	@Autowired @Qualifier("withConverter")
	private EventDrivenConsumer withConverterEndpoint;

	@Autowired @Qualifier("withConverter.handler")
	private MessageHandler withConverterHandler;

	@Autowired @Qualifier("withDefaultConverter.handler")
	private MqttPahoMessageHandler withDefaultConverterHandler;

	@Autowired
	private MqttMessageConverter converter;

	@Autowired
	private DefaultMqttPahoClientFactory clientFactory;

	@SuppressWarnings("unchecked")
	@Test
	public void testWithConverter() throws Exception {
		assertEquals("tcp://localhost:1883", TestUtils.getPropertyValue(withConverterHandler, "url"));
		assertEquals("foo", TestUtils.getPropertyValue(withConverterHandler, "clientId"));
		assertEquals("bar", TestUtils.getPropertyValue(withConverterHandler, "defaultTopic"));
		GenericMessage<String> message = new GenericMessage<>("foo");
		assertEquals("bar",
				TestUtils.getPropertyValue(withConverterHandler, "topicProcessor", MessageProcessor.class)
						.processMessage(message));
		assertEquals(2, TestUtils.getPropertyValue(withConverterHandler, "qosProcessor", MessageProcessor.class)
				.processMessage(message));
		assertEquals(Boolean.TRUE,
				TestUtils.getPropertyValue(withConverterHandler, "retainedProcessor", MessageProcessor.class)
						.processMessage(message));
		assertSame(converter, TestUtils.getPropertyValue(withConverterHandler, "converter"));
		assertSame(clientFactory, TestUtils.getPropertyValue(withConverterHandler, "clientFactory"));
		assertFalse(TestUtils.getPropertyValue(withConverterHandler, "async", Boolean.class));
		assertFalse(TestUtils.getPropertyValue(withConverterHandler, "asyncEvents", Boolean.class));

		Object handler = TestUtils.getPropertyValue(this.withConverterEndpoint, "handler");

		assertTrue(AopUtils.isAopProxy(handler));

		assertSame(((Advised) handler).getTargetSource().getTarget(), this.withConverterHandler);

		assertThat(TestUtils.getPropertyValue(handler, "h.advised.advisors.first.item.advice"),
				Matchers.instanceOf(RequestHandlerRetryAdvice.class));
	}

	@Test
	public void testWithDefaultConverter() {
		GenericMessage<String> message = new GenericMessage<>("foo");
		assertEquals("tcp://localhost:1883", TestUtils.getPropertyValue(withDefaultConverterHandler, "url"));
		assertEquals("foo", TestUtils.getPropertyValue(withDefaultConverterHandler, "clientId"));
		assertEquals("bar", TestUtils.getPropertyValue(withDefaultConverterHandler, "defaultTopic"));
		assertEquals(1, TestUtils.getPropertyValue(withDefaultConverterHandler, "defaultQos"));
		assertEquals(Boolean.TRUE,
				TestUtils.getPropertyValue(withDefaultConverterHandler, "defaultRetained", Boolean.class));
		DefaultPahoMessageConverter defaultConverter = TestUtils.getPropertyValue(withDefaultConverterHandler,
				"converter", DefaultPahoMessageConverter.class);
		assertEquals(1, defaultConverter.fromMessage(message, null).getQos());
		assertTrue(defaultConverter.fromMessage(message, null).isRetained());
		assertSame(clientFactory, TestUtils.getPropertyValue(withDefaultConverterHandler, "clientFactory"));
		assertTrue(TestUtils.getPropertyValue(withDefaultConverterHandler, "async", Boolean.class));
		assertTrue(TestUtils.getPropertyValue(withDefaultConverterHandler, "asyncEvents", Boolean.class));
	}

}