package pl.net.bluesoft.szkolenia.bluemoon.config;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.hibernate.SessionFactory;
import org.hibernate.dialect.PostgreSQL95Dialect;
import org.postgresql.ds.PGSimpleDataSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.orm.hibernate5.HibernateTransactionManager;
import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
import org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver;

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

/**
 * klasa konfiguracyjna dla Spring MVC
 */
@Configuration
@EnableWebMvc
@EnableTransactionManagement
@ComponentScan("pl.net.bluesoft.szkolenia.bluemoon")
public class BluemoonMvcConfig {

    private Logger logger = LogManager.getLogger();

    @Bean
    public DataSource dataSource() {
        logger.info("Konfiguracja dataSource...");

        PGSimpleDataSource dataSource = new PGSimpleDataSource();

        dataSource.setUrl("jdbc:postgresql://localhost:5432/bluemoon");
        dataSource.setUser("bluemoon");
        dataSource.setPassword("BlUeMooN12!");

        return dataSource;
    }

    @Bean
    public LocalSessionFactoryBean sessionFactory() {
        logger.info("Konfiguracja sessionFactory...");

        LocalSessionFactoryBean localSessionFactoryBean = new LocalSessionFactoryBean();

        localSessionFactoryBean.setDataSource(dataSource());

        localSessionFactoryBean.setPackagesToScan("pl.net.bluesoft.szkolenia.bluemoon.model");

        Properties hibernateProperties = new Properties();
        hibernateProperties.put("hibernate.hbm2ddl.auto", "create");
        hibernateProperties.put("hibernate.dialect", PostgreSQL95Dialect.class.getName());

        localSessionFactoryBean.setHibernateProperties(hibernateProperties);

        return localSessionFactoryBean;
    }

    @Bean
    public HibernateTransactionManager transactionManager(SessionFactory sessionFactory) {
        logger.info("Konfiguracja transactionManager...");
        return new HibernateTransactionManager(sessionFactory);
    }

    @Bean
    public FreeMarkerConfigurer freeMarkerConfigurer() {

        logger.info("Konfiguracja FreeMarkerConfigurer...");

        FreeMarkerConfigurer freeMarkerConfigurer = new FreeMarkerConfigurer();

        freeMarkerConfigurer.setTemplateLoaderPath("/WEB-INF/ftl/");

        return freeMarkerConfigurer;
    }

    @Bean
    public FreeMarkerViewResolver freeMarkerViewResolver() {

        logger.info("Konfiguracja FreeMarkerViewResolver...");
        return new FreeMarkerViewResolver("", ".ftl");
    }
}