package com.fira.one.config;

import java.util.HashMap;

import javax.sql.DataSource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;

@Configuration
@PropertySource({ "classpath:application.properties" })
@EnableJpaRepositories(basePackages = {
        "com.fira.one" }, entityManagerFactoryRef = "mainEntityManager", transactionManagerRef = "mainTransactionManager")
public class MainDbConfig {

    @Autowired
    private Environment env;

    public MainDbConfig() {
        super();
    }

    @Bean
    @Primary
    public LocalContainerEntityManagerFactoryBean mainEntityManager() {
        final var em = new LocalContainerEntityManagerFactoryBean();
        em.setDataSource(mainDataSource());
        em.setPackagesToScan("com.fira.one");
        final var vendorAdapter = new HibernateJpaVendorAdapter();
        em.setJpaVendorAdapter(vendorAdapter);
        final HashMap<String, Object> properties = new HashMap<>();
        properties.put("hibernate.hbm2ddl.auto", env.getProperty("spring.main.datasource.jpa.hibernate.ddl-auto"));
        properties.put("hibernate.dialect", env.getProperty("spring.main.datasource.jpa.properties.hibernate.dialect"));
        properties.put("hibernate.globally_quoted_identifiers", true);
        em.setJpaPropertyMap(properties);

        return em;
    }

    @Bean
    @Primary
    public DataSource mainDataSource() {
        final var dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName("org.mariadb.jdbc.Driver");
        dataSource.setUrl(env.getProperty("spring.main.datasource.jdbc-url"));
        dataSource.setUsername(env.getProperty("spring.main.datasource.username"));
        dataSource.setPassword(env.getProperty("spring.main.datasource.password"));

        return dataSource;
    }

    @Bean
    @Primary
    public PlatformTransactionManager mainTransactionManager() {
        final var transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(mainEntityManager().getObject());

        return transactionManager;
    }
}