package com.juick.configuration;

import org.apache.commons.dbcp2.BasicDataSource;
import org.springframework.beans.factory.config.PlaceholderConfigurerSupport;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.Environment;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;

import javax.annotation.Resource;
import javax.sql.DataSource;

/**
 * Created by aalexeev on 11/11/16.
 */
@Configuration
@EnableTransactionManagement
@PropertySource(value = {"classpath:juick.conf", "file:${user.home}/juick.conf"})
public class DataConfiguration implements TransactionManagementConfigurer {
    @Resource
    private Environment env;

    @Bean
    public static PlaceholderConfigurerSupport propertySourcesPlaceholderConfigurer() {
        PlaceholderConfigurerSupport configurer = new PropertySourcesPlaceholderConfigurer();

        configurer.setFileEncoding("utf-8");
        configurer.setOrder(0);
        return configurer;
    }

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

        dataSource.setDriverClassName(env.getProperty("datasource_driver", "com.mysql.jdbc.Driver"));
        dataSource.setUrl(env.getProperty("datasource_url"));

        return dataSource;
    }

    @Bean
    public PlatformTransactionManager transactionManager() {
        return new DataSourceTransactionManager(dataSource());
    }

    @Override
    public PlatformTransactionManager annotationDrivenTransactionManager() {
        return transactionManager();
    }

    @Bean
    public JdbcTemplate jdbc() {
        return new JdbcTemplate(dataSource());
    }
}