package com.ywt.config.jpa;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateSettings;
import org.springframework.boot.autoconfigure.orm.jpa.JpaProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.orm.jpa.EntityManagerFactoryBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManager;
import javax.sql.DataSource;
import java.util.Map;


@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
        entityManagerFactoryRef = "entityManagerFactory",
        transactionManagerRef = "transactionManager",
        basePackages = {"com.ywt.mg.domain.entity.glasses"}
)
public class GlassesConfig {
    @Autowired
    @Qualifier("glassesDataSource")
    private DataSource glassesDataSource;

//    @Primary
//    @Bean(name = "entityManager")
//    public EntityManager entityManager(EntityManagerFactoryBuilder builder) {
//        return entityManagerFactory(builder).getObject().createEntityManager();
//    }

    @Primary
    @Bean(name = "entityManager")
    public EntityManager entityManager(EntityManagerFactoryBuilder builder,@Qualifier("glassesJpaProperties") JpaProperties jpaProperties) {
        return entityManagerFactory(builder,jpaProperties).getObject().createEntityManager();
    }

    @Primary
    @Bean(name = "entityManagerFactory")
    public LocalContainerEntityManagerFactoryBean entityManagerFactory (EntityManagerFactoryBuilder builder,  @Qualifier("glassesJpaProperties") JpaProperties jpaProperties) {
        return builder
                .dataSource(glassesDataSource)
                .properties(jpaProperties.getProperties())
                .properties(new HibernateProperties()
                        .determineHibernateProperties(
                                jpaProperties.getProperties(), new HibernateSettings()))
                .packages("com.ywt.mg.domain.entity.glasses") //设置实体类所在位置
                .persistenceUnit("askcenterPersistenceUnit")
                .build();
    }

//    @Autowired
//    private JpaProperties jpaProperties;
//
//    private Map<String, String> getVendorProperties(DataSource dataSource) {
//        return jpaProperties.getHibernateProperties(dataSource);
//    }


    @Bean(name = "glassesJpaProperties")
    @ConfigurationProperties(prefix = "spring.jpa.glasses")
    public JpaProperties jpaProperties() {
        return new JpaProperties();
    }

    @Primary
    @Bean(name = "transactionManager")
    public PlatformTransactionManager transactionManager(EntityManagerFactoryBuilder builder) {
        return new JpaTransactionManager(entityManagerFactory(builder, jpaProperties()).getObject());
    }
}
