/*
 * Copyright 2012-present 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
 *
 *      https://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.cassandra;

import java.time.Duration;
import java.util.Collections;
import java.util.List;

import com.datastax.oss.driver.api.core.CqlIdentifier;
import com.datastax.oss.driver.api.core.CqlSession;
import com.datastax.oss.driver.api.core.CqlSessionBuilder;
import com.datastax.oss.driver.api.core.config.DefaultDriverOption;
import com.datastax.oss.driver.api.core.config.DriverConfig;
import com.datastax.oss.driver.api.core.config.DriverConfigLoader;
import com.datastax.oss.driver.api.core.config.DriverExecutionProfile;
import com.datastax.oss.driver.internal.core.session.throttling.ConcurrencyLimitingRequestThrottler;
import com.datastax.oss.driver.internal.core.session.throttling.PassThroughRequestThrottler;
import com.datastax.oss.driver.internal.core.session.throttling.RateLimitingRequestThrottler;
import org.junit.jupiter.api.Test;

import org.springframework.beans.factory.BeanCreationException;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfiguration.PropertiesCassandraConnectionDetails;
import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
import org.springframework.boot.ssl.NoSuchSslBundleException;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

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

/**
 * Tests for {@link CassandraAutoConfiguration}
 *
 * @author Eddú Meléndez
 * @author Stephane Nicoll
 * @author Ittay Stern
 * @author Moritz Halbritter
 * @author Andy Wilkinson
 * @author Phillip Webb
 * @author Scott Frederick
 */
class CassandraAutoConfigurationTests {

	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
		.withConfiguration(AutoConfigurations.of(CassandraAutoConfiguration.class, SslAutoConfiguration.class));

	@Test
	void cqlSessionBuildHasScopePrototype() {
		this.contextRunner.run((context) -> {
			CqlIdentifier keyspace = CqlIdentifier.fromCql("test");
			CqlSessionBuilder firstBuilder = context.getBean(CqlSessionBuilder.class);
			assertThat(firstBuilder.withKeyspace(keyspace)).hasFieldOrPropertyWithValue("keyspace", keyspace);
			CqlSessionBuilder secondBuilder = context.getBean(CqlSessionBuilder.class);
			assertThat(secondBuilder).hasFieldOrPropertyWithValue("keyspace", null);
		});
	}

	@Test
	void cqlSessionBuilderWithNoSslConfiguration() {
		this.contextRunner.run((context) -> {
			CqlSessionBuilder builder = context.getBean(CqlSessionBuilder.class);
			assertThat(builder).hasFieldOrPropertyWithValue("programmaticSslFactory", false);
		});
	}

	@Test
	void cqlSessionBuilderWithSslEnabled() {
		this.contextRunner.withPropertyValues("spring.cassandra.ssl.enabled=true").run((context) -> {
			CqlSessionBuilder builder = context.getBean(CqlSessionBuilder.class);
			assertThat(builder).hasFieldOrPropertyWithValue("programmaticSslFactory", true);
		});
	}

	@Test
	@WithPackageResources("test.jks")
	void cqlSessionBuilderWithSslBundle() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.ssl.bundle=test-bundle",
					"spring.ssl.bundle.jks.test-bundle.keystore.location=classpath:test.jks",
					"spring.ssl.bundle.jks.test-bundle.keystore.password=secret",
					"spring.ssl.bundle.jks.test-bundle.key.password=password")
			.run((context) -> {
				CqlSessionBuilder builder = context.getBean(CqlSessionBuilder.class);
				assertThat(builder).hasFieldOrPropertyWithValue("programmaticSslFactory", true);
			});
	}

	@Test
	void cqlSessionBuilderWithSslBundleAndSslDisabled() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.ssl.enabled=false", "spring.cassandra.ssl.bundle=test-bundle")
			.run((context) -> {
				CqlSessionBuilder builder = context.getBean(CqlSessionBuilder.class);
				assertThat(builder).hasFieldOrPropertyWithValue("programmaticSslFactory", false);
			});
	}

	@Test
	void cqlSessionBuilderWithInvalidSslBundle() {
		this.contextRunner.withPropertyValues("spring.cassandra.ssl.bundle=test-bundle")
			.run((context) -> assertThatException().isThrownBy(() -> context.getBean(CqlSessionBuilder.class))
				.withRootCauseInstanceOf(NoSuchSslBundleException.class)
				.withMessageContaining("test-bundle"));
	}

	@Test
	void driverConfigLoaderWithDefaultConfiguration() {
		this.contextRunner.run((context) -> {
			assertThat(context).hasSingleBean(DriverConfigLoader.class);
			assertThat(context.getBean(DriverConfigLoader.class)
				.getInitialConfig()
				.getDefaultProfile()
				.isDefined(DefaultDriverOption.SESSION_NAME)).isFalse();
		});
	}

	@Test
	void driverConfigLoaderWithContactPoints() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.contact-points=cluster.example.com:9042",
					"spring.cassandra.local-datacenter=cassandra-eu1")
			.run((context) -> {
				assertThat(context).hasSingleBean(DriverConfigLoader.class);
				DriverExecutionProfile configuration = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(configuration.getStringList(DefaultDriverOption.CONTACT_POINTS))
					.containsOnly("cluster.example.com:9042");
				assertThat(configuration.getString(DefaultDriverOption.LOAD_BALANCING_LOCAL_DATACENTER))
					.isEqualTo("cassandra-eu1");
			});
	}

	@Test
	void definesPropertiesBasedConnectionDetailsByDefault() {
		this.contextRunner
			.run((context) -> assertThat(context).hasSingleBean(PropertiesCassandraConnectionDetails.class));
	}

	@Test
	void shouldUseCustomConnectionDetailsWhenDefined() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.contact-points=localhost:9042", "spring.cassandra.username=a-user",
					"spring.cassandra.password=a-password", "spring.cassandra.local-datacenter=some-datacenter")
			.withBean(CassandraConnectionDetails.class, this::cassandraConnectionDetails)
			.run((context) -> {
				assertThat(context).hasSingleBean(DriverConfigLoader.class)
					.hasSingleBean(CassandraConnectionDetails.class)
					.doesNotHaveBean(PropertiesCassandraConnectionDetails.class);
				DriverExecutionProfile configuration = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(configuration.getStringList(DefaultDriverOption.CONTACT_POINTS))
					.containsOnly("cassandra.example.com:9042");
				assertThat(configuration.getString(DefaultDriverOption.AUTH_PROVIDER_USER_NAME)).isEqualTo("user-1");
				assertThat(configuration.getString(DefaultDriverOption.AUTH_PROVIDER_PASSWORD)).isEqualTo("secret-1");
				assertThat(configuration.getString(DefaultDriverOption.LOAD_BALANCING_LOCAL_DATACENTER))
					.isEqualTo("datacenter-1");
			});
	}

	@Test
	void driverConfigLoaderWithContactPointAndNoPort() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.contact-points=cluster.example.com,another.example.com:9041",
					"spring.cassandra.local-datacenter=cassandra-eu1")
			.run((context) -> {
				assertThat(context).hasSingleBean(DriverConfigLoader.class);
				DriverExecutionProfile configuration = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(configuration.getStringList(DefaultDriverOption.CONTACT_POINTS))
					.containsOnly("cluster.example.com:9042", "another.example.com:9041");
				assertThat(configuration.getString(DefaultDriverOption.LOAD_BALANCING_LOCAL_DATACENTER))
					.isEqualTo("cassandra-eu1");
			});
	}

	@Test
	void driverConfigLoaderWithContactPointAndNoPortAndCustomPort() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.contact-points=cluster.example.com:9041,another.example.com",
					"spring.cassandra.port=9043", "spring.cassandra.local-datacenter=cassandra-eu1")
			.run((context) -> {
				assertThat(context).hasSingleBean(DriverConfigLoader.class);
				DriverExecutionProfile configuration = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(configuration.getStringList(DefaultDriverOption.CONTACT_POINTS))
					.containsOnly("cluster.example.com:9041", "another.example.com:9043");
				assertThat(configuration.getString(DefaultDriverOption.LOAD_BALANCING_LOCAL_DATACENTER))
					.isEqualTo("cassandra-eu1");
			});
	}

	@Test
	void driverConfigLoaderWithCustomSessionName() {
		this.contextRunner.withPropertyValues("spring.cassandra.session-name=testcluster").run((context) -> {
			assertThat(context).hasSingleBean(DriverConfigLoader.class);
			assertThat(context.getBean(DriverConfigLoader.class)
				.getInitialConfig()
				.getDefaultProfile()
				.getString(DefaultDriverOption.SESSION_NAME)).isEqualTo("testcluster");
		});
	}

	@Test
	void driverConfigLoaderWithCustomSessionNameAndCustomizer() {
		this.contextRunner.withUserConfiguration(SimpleDriverConfigLoaderBuilderCustomizerConfig.class)
			.withPropertyValues("spring.cassandra.session-name=testcluster")
			.run((context) -> {
				assertThat(context).hasSingleBean(DriverConfigLoader.class);
				assertThat(context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile()
					.getString(DefaultDriverOption.SESSION_NAME)).isEqualTo("overridden-name");
			});
	}

	@Test
	void driverConfigLoaderCustomizeConnectionOptions() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.connection.connect-timeout=200ms",
					"spring.cassandra.connection.init-query-timeout=10")
			.run((context) -> {
				DriverExecutionProfile config = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(config.getInt(DefaultDriverOption.CONNECTION_CONNECT_TIMEOUT)).isEqualTo(200);
				assertThat(config.getInt(DefaultDriverOption.CONNECTION_INIT_QUERY_TIMEOUT)).isEqualTo(10);
			});
	}

	@Test
	void driverConfigLoaderCustomizePoolOptions() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.pool.idle-timeout=42", "spring.cassandra.pool.heartbeat-interval=62")
			.run((context) -> {
				DriverExecutionProfile config = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(config.getInt(DefaultDriverOption.HEARTBEAT_TIMEOUT)).isEqualTo(42);
				assertThat(config.getInt(DefaultDriverOption.HEARTBEAT_INTERVAL)).isEqualTo(62);
			});
	}

	@Test
	void driverConfigLoaderCustomizeRequestOptions() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.request.timeout=5s", "spring.cassandra.request.consistency=two",
					"spring.cassandra.request.serial-consistency=quorum", "spring.cassandra.request.page-size=42")
			.run((context) -> {
				DriverExecutionProfile config = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(config.getInt(DefaultDriverOption.REQUEST_TIMEOUT)).isEqualTo(5000);
				assertThat(config.getString(DefaultDriverOption.REQUEST_CONSISTENCY)).isEqualTo("TWO");
				assertThat(config.getString(DefaultDriverOption.REQUEST_SERIAL_CONSISTENCY)).isEqualTo("QUORUM");
				assertThat(config.getInt(DefaultDriverOption.REQUEST_PAGE_SIZE)).isEqualTo(42);
			});
	}

	@Test
	void driverConfigLoaderCustomizeControlConnectionOptions() {
		this.contextRunner.withPropertyValues("spring.cassandra.controlconnection.timeout=200ms").run((context) -> {
			DriverExecutionProfile config = context.getBean(DriverConfigLoader.class)
				.getInitialConfig()
				.getDefaultProfile();
			assertThat(config.getInt(DefaultDriverOption.CONTROL_CONNECTION_TIMEOUT)).isEqualTo(200);
		});
	}

	@Test
	void driverConfigLoaderUsePassThroughLimitingRequestThrottlerByDefault() {
		this.contextRunner.withPropertyValues().run((context) -> {
			DriverExecutionProfile config = context.getBean(DriverConfigLoader.class)
				.getInitialConfig()
				.getDefaultProfile();
			assertThat(config.getString(DefaultDriverOption.REQUEST_THROTTLER_CLASS))
				.isEqualTo(PassThroughRequestThrottler.class.getSimpleName());
		});
	}

	@Test
	void driverConfigLoaderWithRateLimitingRequiresExtraConfiguration() {
		this.contextRunner.withPropertyValues("spring.cassandra.request.throttler.type=rate-limiting")
			.run((context) -> assertThatExceptionOfType(BeanCreationException.class)
				.isThrownBy(() -> context.getBean(CqlSession.class))
				.withMessageContaining("Error instantiating class RateLimitingRequestThrottler")
				.withMessageContaining("No configuration setting found for key"));
	}

	@Test
	void driverConfigLoaderCustomizeConcurrencyLimitingRequestThrottler() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.request.throttler.type=concurrency-limiting",
					"spring.cassandra.request.throttler.max-concurrent-requests=62",
					"spring.cassandra.request.throttler.max-queue-size=72")
			.run((context) -> {
				DriverExecutionProfile config = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(config.getString(DefaultDriverOption.REQUEST_THROTTLER_CLASS))
					.isEqualTo(ConcurrencyLimitingRequestThrottler.class.getSimpleName());
				assertThat(config.getInt(DefaultDriverOption.REQUEST_THROTTLER_MAX_CONCURRENT_REQUESTS)).isEqualTo(62);
				assertThat(config.getInt(DefaultDriverOption.REQUEST_THROTTLER_MAX_QUEUE_SIZE)).isEqualTo(72);
			});
	}

	@Test
	void driverConfigLoaderCustomizeRateLimitingRequestThrottler() {
		this.contextRunner
			.withPropertyValues("spring.cassandra.request.throttler.type=rate-limiting",
					"spring.cassandra.request.throttler.max-requests-per-second=62",
					"spring.cassandra.request.throttler.max-queue-size=72",
					"spring.cassandra.request.throttler.drain-interval=16ms")
			.run((context) -> {
				DriverExecutionProfile config = context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile();
				assertThat(config.getString(DefaultDriverOption.REQUEST_THROTTLER_CLASS))
					.isEqualTo(RateLimitingRequestThrottler.class.getSimpleName());
				assertThat(config.getInt(DefaultDriverOption.REQUEST_THROTTLER_MAX_REQUESTS_PER_SECOND)).isEqualTo(62);
				assertThat(config.getInt(DefaultDriverOption.REQUEST_THROTTLER_MAX_QUEUE_SIZE)).isEqualTo(72);
				assertThat(config.getInt(DefaultDriverOption.REQUEST_THROTTLER_DRAIN_INTERVAL)).isEqualTo(16);
			});
	}

	@Test
	void driverConfigLoaderWithConfigComplementSettings() {
		String configLocation = "org/springframework/boot/autoconfigure/cassandra/simple.conf";
		this.contextRunner
			.withPropertyValues("spring.cassandra.session-name=testcluster",
					"spring.cassandra.config=" + configLocation)
			.run((context) -> {
				assertThat(context).hasSingleBean(DriverConfigLoader.class);
				assertThat(context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile()
					.getString(DefaultDriverOption.SESSION_NAME)).isEqualTo("testcluster");
				assertThat(context.getBean(DriverConfigLoader.class)
					.getInitialConfig()
					.getDefaultProfile()
					.getDuration(DefaultDriverOption.REQUEST_TIMEOUT)).isEqualTo(Duration.ofMillis(500));
			});
	}

	@Test // gh-31238
	void driverConfigLoaderWithConfigOverridesDefaults() {
		String configLocation = "org/springframework/boot/autoconfigure/cassandra/override-defaults.conf";
		this.contextRunner.withPropertyValues("spring.cassandra.config=" + configLocation).run((context) -> {
			DriverExecutionProfile actual = context.getBean(DriverConfigLoader.class)
				.getInitialConfig()
				.getDefaultProfile();
			assertThat(actual.getString(DefaultDriverOption.SESSION_NAME)).isEqualTo("advanced session");
			assertThat(actual.getDuration(DefaultDriverOption.REQUEST_TIMEOUT)).isEqualTo(Duration.ofSeconds(2));
			assertThat(actual.getStringList(DefaultDriverOption.CONTACT_POINTS))
				.isEqualTo(Collections.singletonList("1.2.3.4:5678"));
			assertThat(actual.getBoolean(DefaultDriverOption.RESOLVE_CONTACT_POINTS)).isFalse();
			assertThat(actual.getInt(DefaultDriverOption.REQUEST_PAGE_SIZE)).isEqualTo(11);
			assertThat(actual.getString(DefaultDriverOption.LOAD_BALANCING_LOCAL_DATACENTER)).isEqualTo("datacenter1");
			assertThat(actual.getInt(DefaultDriverOption.REQUEST_THROTTLER_MAX_CONCURRENT_REQUESTS)).isEqualTo(22);
			assertThat(actual.getInt(DefaultDriverOption.REQUEST_THROTTLER_MAX_REQUESTS_PER_SECOND)).isEqualTo(33);
			assertThat(actual.getInt(DefaultDriverOption.REQUEST_THROTTLER_MAX_QUEUE_SIZE)).isEqualTo(44);
			assertThat(actual.getDuration(DefaultDriverOption.CONTROL_CONNECTION_TIMEOUT))
				.isEqualTo(Duration.ofMillis(5555));
			assertThat(actual.getString(DefaultDriverOption.PROTOCOL_COMPRESSION)).isEqualTo("SNAPPY");
		});
	}

	@Test
	void placeholdersInReferenceConfAreResolvedAgainstConfigDerivedFromSpringCassandraProperties() {
		this.contextRunner.withPropertyValues("spring.cassandra.request.timeout=60s").run((context) -> {
			DriverExecutionProfile actual = context.getBean(DriverConfigLoader.class)
				.getInitialConfig()
				.getDefaultProfile();
			assertThat(actual.getDuration(DefaultDriverOption.REQUEST_TIMEOUT)).isEqualTo(Duration.ofSeconds(60));
			assertThat(actual.getDuration(DefaultDriverOption.METADATA_SCHEMA_REQUEST_TIMEOUT))
				.isEqualTo(Duration.ofSeconds(60));
		});
	}

	@Test
	void driverConfigLoaderWithConfigCreateProfiles() {
		String configLocation = "org/springframework/boot/autoconfigure/cassandra/profiles.conf";
		this.contextRunner.withPropertyValues("spring.cassandra.config=" + configLocation).run((context) -> {
			assertThat(context).hasSingleBean(DriverConfigLoader.class);
			DriverConfig driverConfig = context.getBean(DriverConfigLoader.class).getInitialConfig();
			assertThat(driverConfig.getProfiles()).containsOnlyKeys("default", "first", "second");
			assertThat(driverConfig.getProfile("first").getDuration(DefaultDriverOption.REQUEST_TIMEOUT))
				.isEqualTo(Duration.ofMillis(100));
		});
	}

	private CassandraConnectionDetails cassandraConnectionDetails() {
		return new CassandraConnectionDetails() {

			@Override
			public List<Node> getContactPoints() {
				return List.of(new Node("cassandra.example.com", 9042));
			}

			@Override
			public String getUsername() {
				return "user-1";
			}

			@Override
			public String getPassword() {
				return "secret-1";
			}

			@Override
			public String getLocalDatacenter() {
				return "datacenter-1";
			}

		};
	}

	@Configuration(proxyBeanMethods = false)
	static class SimpleDriverConfigLoaderBuilderCustomizerConfig {

		@Bean
		DriverConfigLoaderBuilderCustomizer customizer() {
			return (builder) -> builder.withString(DefaultDriverOption.SESSION_NAME, "overridden-name");
		}

	}

}
