package com.fdkankan.db.config;

import java.sql.SQLException;
//import javax.servlet.Filter;
//import javax.servlet.Servlet;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;

@Configuration
@EnableConfigurationProperties({DruidDataSourceProperties.class})
public class DruidConfig {
    @Autowired
    private DruidDataSourceProperties properties;

    @Bean
    @ConditionalOnMissingBean
    public DataSource druidDataSource() {
        DruidDataSource druidDataSource = new DruidDataSource();
        druidDataSource.setDriverClassName(properties.getDriverClassName());
        druidDataSource.setUrl(properties.getUrl());
        druidDataSource.setUsername(properties.getUsername());
        druidDataSource.setPassword(properties.getPassword());
        druidDataSource.setInitialSize(properties.getInitialSize());
        druidDataSource.setMinIdle(properties.getMinIdle());
        druidDataSource.setMaxActive(properties.getMaxActive());
        druidDataSource.setMaxWait(properties.getMaxWait());
        druidDataSource.setTimeBetweenEvictionRunsMillis(properties.getTimeBetweenEvictionRunsMillis());
        druidDataSource.setMinEvictableIdleTimeMillis(properties.getMinEvictableIdleTimeMillis());
        druidDataSource.setValidationQuery(properties.getValidationQuery());
        druidDataSource.setTestWhileIdle(properties.isTestWhileIdle());
        druidDataSource.setTestOnBorrow(properties.isTestOnBorrow());
        druidDataSource.setTestOnReturn(properties.isTestOnReturn());
        druidDataSource.setPoolPreparedStatements(properties.isPoolPreparedStatements());
        druidDataSource.setMaxPoolPreparedStatementPerConnectionSize(properties.getMaxPoolPreparedStatementPerConnectionSize());

        try {
            druidDataSource.setFilters(properties.getFilters());
            druidDataSource.init();
        } catch (SQLException e) {
            e.printStackTrace();
        }

        return druidDataSource;
    }

//    /**
//     * 注册Servlet信息， 配置监控视图
//     *
//     * @return
//     */
//    @Bean
//    @ConditionalOnMissingBean
//    public ServletRegistrationBean<Servlet> druidServlet() {
//        ServletRegistrationBean<Servlet> servletRegistrationBean = new ServletRegistrationBean<Servlet>(new StatViewServlet(), "/druid/*");
//
//        //白名单：
//        servletRegistrationBean.addInitParameter("allow","192.168.1.195");
//        //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
//        servletRegistrationBean.addInitParameter("deny","192.168.1.119");
//        //登录查看信息的账号密码, 用于登录Druid监控后台
//        servletRegistrationBean.addInitParameter("loginUsername", "admin");
//        servletRegistrationBean.addInitParameter("loginPassword", "admin");
//        //是否能够重置数据.
//        servletRegistrationBean.addInitParameter("resetEnable", "true");
//        return servletRegistrationBean;
//
//    }
//
//    /**
//     * 注册Filter信息, 监控拦截器
//     *
//     * @return
//     */
//    @Bean
//    @ConditionalOnMissingBean
//    public FilterRegistrationBean<Filter> filterRegistrationBean() {
//        FilterRegistrationBean<Filter> filterRegistrationBean = new FilterRegistrationBean<Filter>();
//        filterRegistrationBean.setFilter(new WebStatFilter());
//        filterRegistrationBean.addUrlPatterns("/*");
//        filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
//        return filterRegistrationBean;
//    }
}
