package app.configurations;

import com.zaxxer.hikari.HikariDataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.context.annotation.Scope;
import org.springframework.core.env.Environment;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;

import javax.sql.DataSource;
import java.util.HashMap;

@Configuration
@EnableJpaRepositories(basePackages = "app.entities.dummy.rw", entityManagerFactoryRef = "RwEntityManager", transactionManagerRef = "RwTransactionManager")
public class DbRwConfigurarion implements DbConfiguration{

    @Autowired
    Environment environment;

    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @Bean(name = "RwDataSourceProperties")
    @Scope(value = "singleton")
    @ConfigurationProperties(prefix = "backend.db.rw")
    public DataSourceProperties DataSourceProperties() {
        return new DataSourceProperties();
    }

    @Bean(name = "RwDataSource")
    @Scope(value = "singleton")
    public DataSource DataSource() {
        HikariDataSource dataSource = DataSourceProperties().initializeDataSourceBuilder().type(HikariDataSource.class).build();
        dataSource.setReadOnly(false);
        return dataSource;
    }

    @Bean(name = "RwEntityManager")
    @Scope(value = "singleton")
    public LocalContainerEntityManagerFactoryBean EntityManager() {
        LocalContainerEntityManagerFactoryBean entityManager = new LocalContainerEntityManagerFactoryBean();
        entityManager.setDataSource(DataSource());
        entityManager.setPackagesToScan("app.entities.dummy.rw");
        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        entityManager.setJpaVendorAdapter(vendorAdapter);
        HashMap<String, Object> properties = new HashMap<>();
        properties.put("hibernate.hbm2ddl.auto", environment.getProperty("DDL_AUTO", "none"));
        entityManager.setJpaPropertyMap(properties);
        return entityManager;
    }

    @Bean(name = "RwTransactionManager")
    @Scope(value = "singleton")
    public PlatformTransactionManager TransactionManager() {
        JpaTransactionManager transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(EntityManager().getObject());
        return transactionManager;
    }

    @Bean(name = "jt_rw")
    @Scope(value = "prototype")
    @Primary
    public JdbcTemplate getJT() {
        return new JdbcTemplate(DataSource());
    }
}