package org.hemar.finance.service.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.hibernate4.HibernateExceptionTranslator;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.JpaVendorAdapter;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import java.util.Properties;

/**
 * Created by gadni on 20.11.2014..
 */
@Configuration
@EnableJpaRepositories
@EnableTransactionManagement
public class PersistenceConfig {

    @Bean
    public LocalValidatorFactoryBean validator() {
        return new LocalValidatorFactoryBean();
    }

    @Bean
    public HibernateExceptionTranslator hibernateExceptionTranslator() {
        return new HibernateExceptionTranslator();
    }

    @Bean
    public JpaVendorAdapter jpaVendorAdapter() {
        return new HibernateJpaVendorAdapter();
    }


    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();

        dataSource.setDriverClassName("org.postgresql.Driver");
        dataSource.setUrl("jdbc:postgresql://localhost:5432/finance");
        dataSource.setUsername("user");
        dataSource.setPassword("user");

        return dataSource;
    }

    @Bean
    @DependsOn("flyway")
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
        LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
        factory.setJpaVendorAdapter(jpaVendorAdapter());
        factory.setPackagesToScan("org.hemar.finance.service.persistence");
        factory.setDataSource(dataSource());
        factory.setJpaProperties(jpaProperties());
        factory.afterPropertiesSet();

        return factory;
    }

    @Bean
    public PlatformTransactionManager transactionManager(EntityManagerFactory entityManagerFactory) {
        JpaTransactionManager txManager = new JpaTransactionManager();
        txManager.setEntityManagerFactory(entityManagerFactory);
        return txManager;
    }

    @Bean
    public Properties jpaProperties() {
        Properties jpaProperties = new Properties();
        jpaProperties.setProperty("hibernate.hbm2ddl.auto", "create-drop");
        jpaProperties.setProperty("hibernate.dialect", "org.hibernate.dialect.PostgreSQLDialect");
        jpaProperties.setProperty("hibernate.show_sql", "true");
        return jpaProperties;
    }


}