package main

import (
	"database/sql"
	"flag"
	"fmt"
	"log"
	"mysql-operate/service"
	"strconv"

	_ "github.com/go-sql-driver/mysql"
)

var (
	start   = flag.Bool("start", false, "运行")
	tabName = flag.String("tabName", "", "表名")
	sqlFile = flag.String("sqlFile", "", "导出的sql文件名称，默认为数据库名称")
)

func main() {
	flag.Parse()
	if !*start {
		log.Println(*start)
		return
	}
	appConfig, _ := service.LoadConfig()

	var sqlFileName string = appConfig.Database.Database
	if *tabName != "" {
		sqlFileName = *tabName
	}
	if *sqlFile != "" {
		sqlFileName = *sqlFile
	}

	// 获取数据库配置

	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4",
		appConfig.Database.Username,
		appConfig.Database.Password,
		appConfig.Database.Host,
		strconv.Itoa(appConfig.Database.Port),
		appConfig.Database.Database,
	)
	// 连接数据库
	db, err := sql.Open("mysql", dsn)
	if err != nil {
		panic(fmt.Sprintf("连接失败: %v", err))
	}
	defer db.Close()
	var msqldump service.Msqldump
	dumo := msqldump.New(db, "./", sqlFileName)
	if *tabName != "" {
		dumo.Tablelist = []string{*tabName}
	}

	dumo.Run()

}