package com.uma.hsnn.util;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.GlobalConfig;
import com.baomidou.mybatisplus.generator.config.PackageConfig;
import com.baomidou.mybatisplus.generator.config.StrategyConfig;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;

import java.util.Scanner;

public class Generate {

    public static void main(String[] args) {

        // 创建generate对象
        AutoGenerator autoGenerator = new AutoGenerator();

        // 数据源
        DataSourceConfig dataSourceConfig = new DataSourceConfig();
        dataSourceConfig.setDbType(DbType.MYSQL);
        dataSourceConfig.setUrl("jdbc:mysql://localhost:3306/mysql?useUnicode=true&useSSL=false&characterEncoding=utf8&serverTimezone=UTC");
        dataSourceConfig.setDriverName("com.mysql.cj.jdbc.Driver");
        dataSourceConfig.setUsername("root");
        dataSourceConfig.setPassword("123456");
        autoGenerator.setDataSource(dataSourceConfig);

        // 全局配置
        GlobalConfig globalConfig = new GlobalConfig();
        globalConfig.setOutputDir(System.getProperty("user.dir") + "/src/main/java");
        globalConfig.setOpen(false);
        globalConfig.setAuthor("uma");
        globalConfig.setServiceName("%sService"); // 去掉service的前缀
        autoGenerator.setGlobalConfig(globalConfig);

        // 包信息
        PackageConfig packageConfig = new PackageConfig();
        packageConfig.setParent("com.framework.twm");
        packageConfig.setController("controller");
        packageConfig.setService("service");
        packageConfig.setServiceImpl("service.impl");
        packageConfig.setMapper("mapper");
        packageConfig.setXml("mapper.xml");
        packageConfig.setEntity("entity");
        autoGenerator.setPackageInfo(packageConfig);

        // 配置策略
        StrategyConfig strategyConfig = new StrategyConfig();
        strategyConfig.setTablePrefix("mp_");
        strategyConfig.setInclude(scanner("表名，多个英文逗号分割").split(","));
        strategyConfig.setEntityLombokModel(true);
        strategyConfig.setNaming(NamingStrategy.underline_to_camel);
        strategyConfig.setColumnNaming(NamingStrategy.underline_to_camel); // 下划线转驼峰
        autoGenerator.setStrategy(strategyConfig);

        // 执行
        autoGenerator.execute();
    }

    /**
     * 接收用户输入的方法
     * @param str
     * @return
     */
    private static String scanner(String str){
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入"+str+":");
        if(sc.hasNext()){
            String tableNames = sc.next();
            if(StringUtils.isNotBlank(tableNames)){
                return tableNames;
            }
        }
        throw new MybatisPlusException("请输入正确的" + str + "!");
    }
}