package com.dsideal.base.Test;

import com.dsideal.base.Plugin.YamlProp;
import com.jfinal.kit.Kv;
import com.jfinal.kit.Prop;
import com.jfinal.plugin.activerecord.ActiveRecordPlugin;
import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.SqlPara;
import com.jfinal.plugin.activerecord.dialect.MysqlDialect;
import com.jfinal.plugin.hikaricp.HikariCpPlugin;
import com.jfinal.plugin.activerecord.Record;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

public class TestDataSet {

    /**
     * 获取数据集的表名
     *
     * @param dataset_group_id 数据集的id
     * @return 表名
     */
    public static String getTableName(long dataset_group_id) {
        Kv kv = Kv.by("dataset_group_id", dataset_group_id);
        SqlPara sqlPara = Db.getSqlPara("DataEase.getTableName", kv);
        return Db.findFirst(sqlPara).getStr("table_name");
    }

    /**
     * 获取表字段信息
     * @param table_name 表名
     * @return 表的信息
     */
    public static List<Record> getColumns(String table_name) {
        String sql = "desc `"+table_name+"`";
        return Db.find(sql);
    }

    public static void main(String[] args) {
        //加载配置文件
        String configFile = "application_dataease.yaml";
        Prop PropKit = new YamlProp(configFile);
        HikariCpPlugin arpPlugin = new HikariCpPlugin(PropKit.get("mysql.jdbcUrl"), PropKit.get("mysql.user"),
                PropKit.get("mysql.password").trim(), PropKit.get("mysql.driverClassName"));
        arpPlugin.start();

        // 配置ActiveRecord插件
        ActiveRecordPlugin arp = new ActiveRecordPlugin("master", arpPlugin);
        arp.setDialect(new MysqlDialect());

        //遍历sql目录下所有的sql文件
        File sqlDir;
        String basePath = TestDataSet.class.getResource("/").getPath();
        sqlDir = new File(basePath + "/Sql");
        File[] sqlFiles = sqlDir.listFiles();
        for (File sqlFile : sqlFiles != null ? sqlFiles : new File[0]) {
            //只加载.sql文件
            if (sqlFile.getName().indexOf(".sql") > 0) {
                arp.addSqlTemplate("/Sql/" + sqlFile.getName());
            }
        }
        arp.start();

        //1、获取树根
        SqlPara sqlPara = Db.getSqlPara("DataEase.getTreeRoot");
        Record rRoot = Db.findFirst(sqlPara);
        long rootId = rRoot.getLong("id");

        //2、查询有哪些数据集
        Kv kv = Kv.by("id", rootId);
        kv.set("dataset", true);
        sqlPara = Db.getSqlPara("DataEase.getAllDataSet", kv);
        List<Record> list = Db.find(sqlPara);

        for (Record record : list) {
            long id = record.getLong("id");
            //数据集名称
            String dataset_name = record.getStr("name");
            //对应的表名
            String table_name = getTableName(id);
            //表的信息
            List<Record> columns = getColumns(table_name);

            System.out.println(dataset_name + "   " + table_name);
            List<String> cols=new ArrayList<>();
            for (Record column : columns) {
                cols.add(column.getStr("Field"));
            }
            System.out.println(cols);
        }
    }
}