/*
 * Copyright 2017-2023 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.data.jdbc.repository.config;

import java.lang.annotation.Annotation;
import java.util.Collection;
import java.util.Collections;
import java.util.Locale;
import java.util.Optional;

import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.data.jdbc.core.convert.JdbcConverter;
import org.springframework.data.jdbc.core.mapping.JdbcMappingContext;
import org.springframework.data.jdbc.repository.support.JdbcRepositoryFactoryBean;
import org.springframework.data.relational.core.dialect.Dialect;
import org.springframework.data.relational.core.mapping.Table;
import org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport;
import org.springframework.data.repository.config.RepositoryConfigurationSource;
import org.springframework.util.StringUtils;

/**
 * {@link org.springframework.data.repository.config.RepositoryConfigurationExtension} extending the repository
 * registration process by registering JDBC repositories.
 *
 * @author Jens Schauder
 * @author Fei Dong
 * @author Mark Paluch
 * @author Antoine Sauray
 */
public class JdbcRepositoryConfigExtension extends RepositoryConfigurationExtensionSupport {

	private static final String DEFAULT_TRANSACTION_MANAGER_BEAN_NAME = "transactionManager";

	@Override
	public String getModuleName() {
		return "JDBC";
	}

	@Override
	public String getRepositoryFactoryBeanClassName() {
		return JdbcRepositoryFactoryBean.class.getName();
	}

	@Override
	protected String getModulePrefix() {
		return getModuleName().toLowerCase(Locale.US);
	}

	@Override
	public String getModuleIdentifier() {
		return getModulePrefix();
	}

	@Override
	public void postProcess(BeanDefinitionBuilder builder, RepositoryConfigurationSource source) {

		source.getAttribute("jdbcOperationsRef") //
				.filter(StringUtils::hasText) //
				.ifPresent(s -> builder.addPropertyReference("jdbcOperations", s));

		source.getAttribute("dataAccessStrategyRef") //
				.filter(StringUtils::hasText) //
				.ifPresent(s -> builder.addPropertyReference("dataAccessStrategy", s));

		Optional<String> transactionManagerRef = source.getAttribute("transactionManagerRef");
		builder.addPropertyValue("transactionManager", transactionManagerRef.orElse(DEFAULT_TRANSACTION_MANAGER_BEAN_NAME));

		builder.addPropertyValue("mappingContext", new RuntimeBeanReference(JdbcMappingContext.class));
		builder.addPropertyValue("dialect", new RuntimeBeanReference(Dialect.class));
		builder.addPropertyValue("converter", new RuntimeBeanReference(JdbcConverter.class));
	}

	/**
	 * In strict mode only domain types having a {@link Table} annotation get a repository.
	 */
	@Override
	protected Collection<Class<? extends Annotation>> getIdentifyingAnnotations() {
		return Collections.singleton(Table.class);
	}
}
