package com.zlq.generator;
 
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.FileOutConfig;
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.TemplateConfig;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
 
 
public class CodeGenerator {
 
	/**
	 * <p>
	 * 读取控制台内容
	 * </p>
	 */
	public static String scanner(String tip) {
		Scanner scanner = new Scanner(System.in);
		StringBuilder help = new StringBuilder();
		help.append("请输入" + tip + "：");
		System.out.println(help.toString());
		if (scanner.hasNext()) {
			String ipt = scanner.next();
			if (StringUtils.isNotEmpty(ipt)) {
				return ipt;
			}
		}
		throw new MybatisPlusException("请输入正确的" + tip + "！");
	}
 
	public static void main(String[] args) {
		// 代码生成器
		AutoGenerator mpg = new AutoGenerator();
 
		// 全局配置
		GlobalConfig gc = new GlobalConfig();
		String projectPath = System.getProperty("user.dir");
		gc.setOutputDir(projectPath + "/yeb-generator/src/main/java");
		//作者
		gc.setAuthor("Larry");
		//打开输出目录
		gc.setOpen(false);
		//xml开启 BaseResultMap
		gc.setBaseResultMap(true);
		//xml 开启BaseColumnList
		gc.setBaseColumnList(true);
		// 实体属性 Swagger2 注解
		gc.setSwagger2(true);
		mpg.setGlobalConfig(gc);
 
		// 数据源配置
		DataSourceConfig dsc = new DataSourceConfig();
		dsc.setUrl("jdbc:mysql://localhost:3306/yeb?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia" +
				"/Shanghai");
		dsc.setDriverName("com.mysql.cj.jdbc.Driver");
		dsc.setUsername("root");
		dsc.setPassword("root");
		mpg.setDataSource(dsc);
 
		// 包配置
		PackageConfig pc = new PackageConfig();
		pc.setParent("com.zlq")
				.setEntity("pojo")
				.setMapper("mapper")
				.setService("service")
				.setServiceImpl("service.impl")
				.setController("controller");
		mpg.setPackageInfo(pc);
 
		// 自定义配置
		InjectionConfig cfg = new InjectionConfig() {
			@Override
			public void initMap() {
				// to do nothing
			}
		};
 
		// 如果模板引擎是 freemarker
		String templatePath = "/templates/mapper.xml.ftl";
		// 如果模板引擎是 velocity
		// String templatePath = "/templates/mapper.xml.vm";
 
		// 自定义输出配置
		List<FileOutConfig> focList = new ArrayList<>();
		// 自定义配置会被优先输出
		focList.add(new FileOutConfig(templatePath) {
			@Override
			public String outputFile(TableInfo tableInfo) {
				// 自定义输出文件名 ， 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发生变化！！
				return projectPath + "/yeb-generator/src/main/resources/mapper/" + tableInfo.getEntityName() + "Mapper"
						+ StringPool.DOT_XML;
			}
		});
		cfg.setFileOutConfigList(focList);
		mpg.setCfg(cfg);
 
		// 配置模板
		TemplateConfig templateConfig = new TemplateConfig();
 
		templateConfig.setXml(null);
		mpg.setTemplate(templateConfig);
 
		// 策略配置
		StrategyConfig strategy = new StrategyConfig();
		//数据库表映射到实体的命名策略
		strategy.setNaming(NamingStrategy.underline_to_camel);
		//数据库表字段映射到实体的命名策略
		strategy.setColumnNaming(NamingStrategy.no_change);
		//lombok模型
		strategy.setEntityLombokModel(true);
		//生成 @RestController 控制器
		strategy.setRestControllerStyle(true);
		strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));
		strategy.setControllerMappingHyphenStyle(true);
		//表前缀
		strategy.setTablePrefix("t_");
		mpg.setStrategy(strategy);
		mpg.setTemplateEngine(new FreemarkerTemplateEngine());
		mpg.execute();
	}
}