/*
 * Copyright 2017-2024 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 example.events;

import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;

import javax.sql.DataSource;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.SharedEntityManagerCreator;
import org.springframework.orm.jpa.vendor.Database;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@Configuration(proxyBeanMethods = false)
@EnableTransactionManagement
class InfrastructureConfiguration {

	@Bean
	LocalContainerEntityManagerFactoryBean entityManagerFactory(DataSource dataSource) {

		HibernateJpaVendorAdapter adapter = new HibernateJpaVendorAdapter();
		adapter.setDatabase(Database.HSQL);
		adapter.setGenerateDdl(true);

		LocalContainerEntityManagerFactoryBean factoryBean = new LocalContainerEntityManagerFactoryBean();
		factoryBean.setDataSource(dataSource);
		factoryBean.setJpaVendorAdapter(adapter);
		factoryBean.setPackagesToScan("org.springframework.modulith.events.jpa");

		return factoryBean;
	}

	@Bean
	DataSource dataSource() {
		return new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.HSQL).build();
	}

	@Bean
	JpaTransactionManager transactionManager(EntityManagerFactory factory) {
		return new JpaTransactionManager(factory);
	}

	@Bean
	EntityManager entityManager(EntityManagerFactory factory) {
		return SharedEntityManagerCreator.createSharedEntityManager(factory);
	}

	@Bean
	ThreadPoolTaskExecutor taskExecutor() {
		return new ThreadPoolTaskExecutor();
	}
}
