/*
 * Copyright 2015-2016 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 org.springframework.integration.jdbc;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;

import java.sql.Types;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import javax.sql.DataSource;

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

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.annotation.InboundChannelAdapter;
import org.springframework.integration.annotation.Poller;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.config.EnableIntegration;
import org.springframework.integration.config.ExpressionControlBusFactoryBean;
import org.springframework.integration.core.MessageSource;
import org.springframework.integration.core.MessagingTemplate;
import org.springframework.integration.jdbc.storedproc.PrimeMapper;
import org.springframework.integration.jdbc.storedproc.ProcedureParameter;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.core.SqlParameter;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

/**
 * Equivalent to {@link StoredProcPollingChannelAdapterWithNamespaceIntegrationTests}.
 *
 * @author Gary Russell
 * @since 4.2
 *
 */
@ContextConfiguration(classes = StoredProcJavaConfigTests.Config.class)
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class StoredProcJavaConfigTests {

	@Autowired
	private PollableChannel fooChannel;

	@Autowired
	private MessageChannel control;

	@Test
	public void test() {
		Message<?> received = fooChannel.receive(10000);
		assertNotNull(received);
		Collection<?> primes = (Collection<?>) received.getPayload();
		assertThat(primes, Matchers.<Object>contains(2, 3, 5, 7));
		received = fooChannel.receive(100);
		// verify maxMessagesPerPoll == 1
		assertNull(received);
		MessagingTemplate template = new MessagingTemplate(this.control);
		template.convertAndSend("@'storedProcJavaConfigTests.Config.storedProc.inboundChannelAdapter'.stop()");
		assertFalse(template.convertSendAndReceive(
				"@'storedProcJavaConfigTests.Config.storedProc.inboundChannelAdapter'.isRunning()", Boolean.class));
	}

	@Configuration
	@EnableIntegration
	public static class Config {

		@Bean
		public PollableChannel fooChannel() {
			return new QueueChannel();
		}

		@Bean
		@ServiceActivator(inputChannel = "control")
		public ExpressionControlBusFactoryBean controlBus() {
			return new ExpressionControlBusFactoryBean();
		}

		@Bean
		@InboundChannelAdapter(value = "fooChannel", poller = @Poller(fixedDelay = "5000"))
		public MessageSource<?> storedProc() {
			StoredProcPollingChannelAdapter source = new StoredProcPollingChannelAdapter(storedProcExecutor());
			source.setExpectSingleResult(true);
			return source;
		}

		@Bean
		public StoredProcExecutor storedProcExecutor() {
			StoredProcExecutor executor = new StoredProcExecutor(dataSource());
			executor.setIgnoreColumnMetaData(true);
			executor.setStoredProcedureName("GET_PRIME_NUMBERS");
			List<ProcedureParameter> procedureParameters = new ArrayList<ProcedureParameter>();
			procedureParameters.add(new ProcedureParameter("beginRange", 1, null));
			procedureParameters.add(new ProcedureParameter("endRange", 10, null));
			executor.setProcedureParameters(procedureParameters);
			List<SqlParameter> sqlParameters = new ArrayList<SqlParameter>();
			sqlParameters.add(new SqlParameter("beginRange", Types.INTEGER));
			sqlParameters.add(new SqlParameter("endRange", Types.INTEGER));
			executor.setSqlParameters(sqlParameters);
			executor.setReturningResultSetRowMappers(Collections.<String, RowMapper<?>>singletonMap("out", new PrimeMapper()));
			return executor;
		}

		@Bean
		public DataSource dataSource() {
			return new EmbeddedDatabaseBuilder()
				.setType(EmbeddedDatabaseType.H2)
				.addScript("classpath:h2-stored-procedures.sql")
				.build();
		}

	}

}