/*
 * Copyright 2012-2018 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.boot.autoconfigure.data.cassandra;

import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;

import com.datastax.driver.core.Cluster;
import com.datastax.driver.core.Session;
import com.datastax.driver.core.exceptions.NoHostAvailableException;
import org.junit.After;
import org.junit.ClassRule;
import org.junit.Test;
import org.rnorth.ducttape.TimeoutException;
import org.rnorth.ducttape.unreliables.Unreliables;
import org.testcontainers.containers.FixedHostPortGenericContainer;
import org.testcontainers.containers.wait.HostPortWaitStrategy;

import org.springframework.boot.autoconfigure.AutoConfigurationPackages;
import org.springframework.boot.autoconfigure.DockerTestContainer;
import org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfiguration;
import org.springframework.boot.autoconfigure.data.cassandra.city.City;
import org.springframework.boot.test.util.TestPropertyValues;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.data.cassandra.config.CassandraSessionFactoryBean;
import org.springframework.data.cassandra.config.SchemaAction;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Tests for {@link CassandraDataAutoConfiguration} that require a Cassandra instance.
 *
 * @author Mark Paluch
 * @author Stephane Nicoll
 */
public class CassandraDataAutoConfigurationIntegrationTests {

	@ClassRule
	public static DockerTestContainer<FixedHostPortGenericContainer<?>> cassandra = new DockerTestContainer<>(
			() -> new FixedHostPortGenericContainer<>("cassandra:latest")
					.withFixedExposedPort(9042, 9042)
					.waitingFor(new ConnectionVerifyingWaitStrategy()));

	private AnnotationConfigApplicationContext context;

	@After
	public void close() {
		if (this.context != null) {
			this.context.close();
		}
	}

	@Test
	public void hasDefaultSchemaActionSet() {
		this.context = new AnnotationConfigApplicationContext();
		String cityPackage = City.class.getPackage().getName();
		AutoConfigurationPackages.register(this.context, cityPackage);
		this.context.register(CassandraAutoConfiguration.class,
				CassandraDataAutoConfiguration.class);
		this.context.refresh();

		CassandraSessionFactoryBean bean = this.context
				.getBean(CassandraSessionFactoryBean.class);
		assertThat(bean.getSchemaAction()).isEqualTo(SchemaAction.NONE);
	}

	@Test
	public void hasRecreateSchemaActionSet() {
		createTestKeyspaceIfNotExists();
		this.context = new AnnotationConfigApplicationContext();
		String cityPackage = City.class.getPackage().getName();
		AutoConfigurationPackages.register(this.context, cityPackage);
		TestPropertyValues
				.of("spring.data.cassandra.schemaAction=recreate_drop_unused",
						"spring.data.cassandra.keyspaceName=boot_test")
				.applyTo(this.context);
		this.context.register(CassandraAutoConfiguration.class,
				CassandraDataAutoConfiguration.class);
		this.context.refresh();
		CassandraSessionFactoryBean bean = this.context
				.getBean(CassandraSessionFactoryBean.class);
		assertThat(bean.getSchemaAction()).isEqualTo(SchemaAction.RECREATE_DROP_UNUSED);
	}

	private void createTestKeyspaceIfNotExists() {
		Cluster cluster = Cluster.builder().addContactPoint("localhost").build();
		try (Session session = cluster.connect()) {
			session.execute("CREATE KEYSPACE IF NOT EXISTS boot_test"
					+ "  WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };");
		}
	}

	static class ConnectionVerifyingWaitStrategy extends HostPortWaitStrategy {

		@Override
		protected void waitUntilReady() {
			super.waitUntilReady();
			Cluster cluster = Cluster.builder().addContactPoint("localhost").build();
			try {
				Unreliables.retryUntilTrue((int) this.startupTimeout.getSeconds(),
						TimeUnit.SECONDS, checkConnection(cluster));
			}
			catch (TimeoutException e) {
				throw new IllegalStateException();
			}
		}

		private Callable<Boolean> checkConnection(Cluster cluster) {
			return () -> {
				try {
					cluster.connect();
					return true;
				}
				catch (NoHostAvailableException ex) {
					return false;
				}
			};
		}
	}

}

@@ -4262,84 +4262,8 @@
 ();%0A
-%09%09%09Cluster cluster = Cluster.builder().addContactPoint(%22localhost%22).build();
 %0A%09%09%09
@@ -4379,23 +4379,16 @@
 nection(
-cluster
 ));%0A%09%09%09%7D
@@ -4416,16 +4416,17 @@
 eption e
+x
 ) %7B%0A%09%09%09%09
@@ -4457,16 +4457,18 @@
 ception(
+ex
 );%0A%09%09%09%7D%0A
@@ -4516,31 +4516,16 @@
 nection(
-Cluster cluster
 ) %7B%0A%09%09%09r
@@ -4541,24 +4541,106 @@
 -%3E %7B%0A%09%09%09%09try
+ (Cluster cluster = Cluster.builder().addContactPoint(%22localhost%22)%0A%09%09%09%09%09%09.build())
  %7B%0A%09%09%09%09%09clus
@@ -4751,18 +4751,19 @@
 %7D%0A%09%09%09%7D;%0A%09%09%7D%0A
+%0A
 %09%7D%0A%0A%7D%0A

Stop reusing the Cluster when waiting for Cassandra to start