/*
 * 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.jooq;

import javax.sql.DataSource;

import org.jooq.ConnectionProvider;
import org.jooq.DSLContext;
import org.jooq.ExecuteListenerProvider;
import org.jooq.TransactionProvider;
import org.jooq.impl.DataSourceConnectionProvider;
import org.jooq.impl.DefaultConfiguration;
import org.jooq.impl.DefaultDSLContext;
import org.jooq.impl.DefaultExecuteListenerProvider;

import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.autoconfigure.transaction.TransactionAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.core.annotation.Order;
import org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy;
import org.springframework.transaction.PlatformTransactionManager;

/**
 * {@link EnableAutoConfiguration Auto-configuration} for JOOQ.
 *
 * @author Andreas Ahlenstorf
 * @author Michael Simons
 * @author Dmytro Nosan
 * @since 1.3.0
 */
@AutoConfiguration(after = { DataSourceAutoConfiguration.class, TransactionAutoConfiguration.class })
@ConditionalOnClass(DSLContext.class)
@ConditionalOnBean(DataSource.class)
@EnableConfigurationProperties(JooqProperties.class)
public class JooqAutoConfiguration {

	@Bean
	@ConditionalOnMissingBean(ConnectionProvider.class)
	public DataSourceConnectionProvider dataSourceConnectionProvider(DataSource dataSource) {
		return new DataSourceConnectionProvider(new TransactionAwareDataSourceProxy(dataSource));
	}

	@Bean
	@ConditionalOnBean(PlatformTransactionManager.class)
	@ConditionalOnMissingBean(TransactionProvider.class)
	public SpringTransactionProvider transactionProvider(PlatformTransactionManager txManager) {
		return new SpringTransactionProvider(txManager);
	}

	@Bean
	@Order(0)
	public DefaultExecuteListenerProvider jooqExceptionTranslatorExecuteListenerProvider(
			ExceptionTranslatorExecuteListener exceptionTranslatorExecuteListener) {
		return new DefaultExecuteListenerProvider(exceptionTranslatorExecuteListener);
	}

	@Bean
	@ConditionalOnMissingBean
	public ExceptionTranslatorExecuteListener jooqExceptionTranslator() {
		return ExceptionTranslatorExecuteListener.DEFAULT;
	}

	@Bean
	@ConditionalOnMissingBean(DSLContext.class)
	public DefaultDSLContext dslContext(org.jooq.Configuration configuration) {
		return new DefaultDSLContext(configuration);
	}

	@Bean
	@ConditionalOnMissingBean(org.jooq.Configuration.class)
	public DefaultConfiguration jooqConfiguration(JooqProperties properties, ConnectionProvider connectionProvider,
			DataSource dataSource, ObjectProvider<TransactionProvider> transactionProvider,
			ObjectProvider<ExecuteListenerProvider> executeListenerProviders,
			ObjectProvider<DefaultConfigurationCustomizer> configurationCustomizers) {
		DefaultConfiguration configuration = new DefaultConfiguration();
		configuration.set(properties.determineSqlDialect(dataSource));
		configuration.set(connectionProvider);
		transactionProvider.ifAvailable(configuration::set);
		configuration.set(executeListenerProviders.orderedStream().toArray(ExecuteListenerProvider[]::new));
		configurationCustomizers.orderedStream().forEach((customizer) -> customizer.customize(configuration));
		return configuration;
	}

}
