package com.fzm.mall.server.front.util;

import com.baomidou.mybatisplus.annotation.FieldFill;
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.*;
import com.baomidou.mybatisplus.generator.config.po.TableFill;
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;

/**
 * @author lyz
 * @mail lyz@disanbo.com
 * @create 2020/11/30 17:18
 * @description
 */

public class MybatisPlusGenerator {

    private static final String PACKAGE_BASE = "com.fzm.mall.server.front";
    private static final String PACKAGE_CONTROLLER = "controller";
    private static final String PACKAGE_ENTITY = "model";
    private static final String PACKAGE_SERVICE = "service";
    private static final String PACKAGE_SERVICE_IMPL = "service.impl";

    private static final String DATASOURCE_URL = "jdbc:mysql://146.56.197.42:3306/mall?useUnicode=true&useSSL=false&characterEncoding=utf8";
    private static final String DATASOURCE_DRIVER = "com.mysql.jdbc.Driver";
    private static final String DATASOURCE_USER = "root";
    private static final String DATASOURCE_PASSWORD = "fzm_db_01@TEST";

    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.isNotBlank(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();
        String moduleName = scanner("模块名");

        // 全局配置
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir");
        gc.setOutputDir(projectPath +"/mall-server-front/src/main/java");
        gc.setFileOverride(true);
        gc.setAuthor("fzm");
        gc.setOpen(false);
        gc.setSwagger2(true);
        mpg.setGlobalConfig(gc);

        // 数据源配置
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl(DATASOURCE_URL);
        dsc.setDriverName(DATASOURCE_DRIVER);
        dsc.setUsername(DATASOURCE_USER);
        dsc.setPassword(DATASOURCE_PASSWORD);
        mpg.setDataSource(dsc);

        // 包配置
        PackageConfig pc = new PackageConfig();
        pc.setParent(PACKAGE_BASE+"."+moduleName);
        pc.setController(PACKAGE_CONTROLLER);
        pc.setService(PACKAGE_SERVICE);
        pc.setServiceImpl(PACKAGE_SERVICE_IMPL);
        pc.setEntity(PACKAGE_ENTITY);
        mpg.setPackageInfo(pc);

        // 自定义配置
        InjectionConfig cfg = new InjectionConfig() {
            @Override
            public void initMap() {
            }
        };

        // 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("/templates/mapper.xml.ftl") {
            @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 + "/mall-server-front/src/main/resources/mapper/" + moduleName
                        + "/" + 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();
        strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        strategy.setEntityLombokModel(true);
        strategy.setRestControllerStyle(true);
        // 写于父类中的公共字段
        strategy.setInclude(scanner("order_delivery").split(","));
        strategy.setControllerMappingHyphenStyle(true);
        strategy.setTablePrefix(moduleName + "_");

        List<TableFill> fillList = new ArrayList<>();
        TableFill createTime = new TableFill("create_time", FieldFill.INSERT);
        TableFill updateTime = new TableFill("update_time", FieldFill.INSERT_UPDATE);
        fillList.add(createTime);
        fillList.add(updateTime);
        strategy.setTableFillList(fillList);

        mpg.setStrategy(strategy);
        mpg.setTemplateEngine(new FreemarkerTemplateEngine());
        mpg.execute();
    }

}
