package main

import (
	"github.com/go-sql-driver/mysql"
	"github.com/zjxpcyc/tinylogger"
	"xorm.io/xorm"
)

var DB *xorm.Engine

// logger 日志记录器
var logger = tinylogger.NewLogger()

// InitDB 初始化数据库
func InitDB() error {
	// 连接数据库
	config := mysql.NewConfig()
	config.User = "serverless"
	config.Passwd = "XyooUowbyE3f5Cam"
	config.Net = "tcp"
	config.Addr = "rm-uf6z3z6jq11x653d77o.mysql.rds.aliyuncs.com"
	config.DBName = "job_for_serverless"
	config.Params = map[string]string{
		"charset": "utf8",
	}

	var err error
	DB, err = xorm.NewEngine("mysql", config.FormatDSN())
	if err != nil {
		logger.Error(err)
		return err
	}

	// 打印SQL
	// DB.ShowSQL(true)

	return nil
}

func main() {
	// 初始化数据库
	if err := InitDB(); err != nil {
		panic(err)
	}

	// 开启 job 服务
	job := NewJobPool()
	job.Callback(Exec)
	job.Start()

	//
	limit := []int{100}
	tasks := GetTasks(limit)

	// logger.Info("All Tasks: ", tasks)

	for _, task := range tasks {
		job.Push(task)
	}

	job.Done(len(tasks))
}