/*
 * Copyright 2012-2020 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.data.elasticsearch;

import java.time.Duration;
import java.util.HashMap;
import java.util.Map;

import org.elasticsearch.action.get.GetRequest;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.index.get.GetResult;
import org.junit.jupiter.api.Test;
import org.testcontainers.elasticsearch.ElasticsearchContainer;
import org.testcontainers.junit.jupiter.Container;
import org.testcontainers.junit.jupiter.Testcontainers;

import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.elasticsearch.client.ClientConfiguration;
import org.springframework.data.elasticsearch.client.reactive.ReactiveElasticsearchClient;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;

/**
 * Tests for {@link ReactiveElasticsearchRestClientAutoConfiguration}.
 *
 * @author Brian Clozel
 */
@Testcontainers(disabledWithoutDocker = true)
public class ReactiveElasticsearchRestClientAutoConfigurationTests {

	@Container
	static ElasticsearchContainer elasticsearch = new VersionOverridingElasticsearchContainer().withStartupAttempts(5)
			.withStartupTimeout(Duration.ofMinutes(10));

	private ApplicationContextRunner contextRunner = new ApplicationContextRunner()
			.withConfiguration(AutoConfigurations.of(ReactiveElasticsearchRestClientAutoConfiguration.class));

	@Test
	void configureShouldCreateDefaultBeans() {
		this.contextRunner.run((context) -> assertThat(context).hasSingleBean(ClientConfiguration.class)
				.hasSingleBean(ReactiveElasticsearchClient.class));
	}

	@Test
	void configureWhenCustomClientShouldBackOff() {
		this.contextRunner.withUserConfiguration(CustomClientConfiguration.class).run((context) -> assertThat(context)
				.hasSingleBean(ReactiveElasticsearchClient.class).hasBean("customClient"));
	}

	@Test
	void configureWhenCustomClientConfig() {
		this.contextRunner.withUserConfiguration(CustomClientConfigConfiguration.class)
				.run((context) -> assertThat(context).hasSingleBean(ReactiveElasticsearchClient.class)
						.hasSingleBean(ClientConfiguration.class).hasBean("customClientConfiguration"));
	}

	@Test
	void restClientCanQueryElasticsearchNode() {
		this.contextRunner.withPropertyValues(
				"spring.data.elasticsearch.client.reactive.endpoints=" + elasticsearch.getContainerIpAddress() + ":"
						+ elasticsearch.getFirstMappedPort(),
				"spring.data.elasticsearch.client.reactive.connection-timeout=120s",
				"spring.data.elasticsearch.client.reactive.socket-timeout=120s").run((context) -> {
					ReactiveElasticsearchClient client = context.getBean(ReactiveElasticsearchClient.class);
					Map<String, String> source = new HashMap<>();
					source.put("a", "alpha");
					source.put("b", "bravo");
					IndexRequest indexRequest = new IndexRequest("foo").id("1").source(source);
					GetRequest getRequest = new GetRequest("foo").id("1");
					GetResult getResult = client.index(indexRequest).then(client.get(getRequest)).block();
					assertThat(getResult).isNotNull();
					assertThat(getResult.isExists()).isTrue();
				});
	}

	@Configuration(proxyBeanMethods = false)
	static class CustomClientConfiguration {

		@Bean
		ReactiveElasticsearchClient customClient() {
			return mock(ReactiveElasticsearchClient.class);
		}

	}

	@Configuration(proxyBeanMethods = false)
	static class CustomClientConfigConfiguration {

		@Bean
		ClientConfiguration customClientConfiguration() {
			return ClientConfiguration.localhost();
		}

	}

}
