/*
 * Copyright 2012-2017 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.test.autoconfigure.restdocs;

import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.restdocs.RestDocumentationContextProvider;
import org.springframework.restdocs.mockmvc.MockMvcRestDocumentation;
import org.springframework.restdocs.mockmvc.MockMvcRestDocumentationConfigurer;
import org.springframework.restdocs.mockmvc.RestDocumentationResultHandler;

/**
 * {@link EnableAutoConfiguration Auto-configuration} for Spring REST Docs.
 *
 * @author Andy Wilkinson
 * @since 1.4.0
 */
@Configuration
@ConditionalOnWebApplication(type = Type.SERVLET)
@EnableConfigurationProperties
public class RestDocsAutoConfiguration {

	@Bean
	@ConditionalOnMissingBean(MockMvcRestDocumentationConfigurer.class)
	public MockMvcRestDocumentationConfigurer restDocsMockMvcConfigurer(
			ObjectProvider<RestDocsMockMvcConfigurationCustomizer> configurationCustomizerProvider,
			RestDocumentationContextProvider contextProvider) {
		MockMvcRestDocumentationConfigurer configurer = MockMvcRestDocumentation
				.documentationConfiguration(contextProvider);
		RestDocsMockMvcConfigurationCustomizer configurationCustomizer = configurationCustomizerProvider
				.getIfAvailable();
		if (configurationCustomizer != null) {
			configurationCustomizer.customize(configurer);
		}
		return configurer;
	}

	@Bean
	@ConfigurationProperties(prefix = "spring.test.restdocs")
	public RestDocsMockMvcBuilderCustomizer restDocumentationConfigurer(
			MockMvcRestDocumentationConfigurer configurer,
			ObjectProvider<RestDocumentationResultHandler> resultHandler) {
		return new RestDocsMockMvcBuilderCustomizer(configurer,
				resultHandler.getIfAvailable());
	}

}
