/*
 *  Copyright 2013-2016 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 com.example;

import java.io.IOException;
import java.util.concurrent.atomic.AtomicBoolean;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jms.annotation.JmsListener;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;
import org.springframework.stereotype.Service;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

@Service
public class BookListener {
	
	
	private static final Logger log = LoggerFactory.getLogger(BookListener.class);


	private @Autowired JmsTemplate jmsTemplate;
	private ObjectMapper objectMapper = new ObjectMapper();

	/**
	 * Scenario for "should generate tests triggered by a message": client side: if sends
	 * a message to input.messageFrom then message will be sent to output.messageFrom
	 * server side: will send a message to input, verify the message contents and await
	 * upon receiving message on the output messageFrom
	 */
	@JmsListener(destination = "input")
	public void returnBook(String messageAsString) throws Exception {
		final BookReturned bookReturned = objectMapper.readerFor(BookReturned.class).readValue(messageAsString);
		log.info("Returning book [$bookReturned]");
		MessageCreator messageCreator = new MessageCreator() {
			@Override
			public Message createMessage(Session session) throws JMSException {
				Message message = session.createObjectMessage(bookReturned);
				message.setStringProperty("BOOK-NAME", bookReturned.bookName);
				return message;
			}
		};
		jmsTemplate.send("output", messageCreator);
	}

	/**
	   Scenario for "should generate tests triggered by a message":
	     client side: if sends a message to input.messageFrom then message will be sent to output.messageFrom
	     server side: will send a message to input, verify the message contents and await upon receiving message on the output messageFrom
	 * @throws IOException 
	 * @throws JsonProcessingException 
	 */
	@JmsListener(destination = "delete")
	public void bookDeleted(String bookDeletedAsString) throws Exception {
		BookDeleted bookDeleted = objectMapper.readerFor(BookDeleted.class).readValue(bookDeletedAsString);
		log.info("Deleting book " + bookDeleted);
		bookSuccessfulyDeleted.set(true);
	}

	AtomicBoolean bookSuccessfulyDeleted = new AtomicBoolean(false);
}
