package main

import (
	"fmt"
	"math/rand"
	"strings"
	"testing"
	"time"
)

func Test_getTime(t *testing.T) {
	now := time.Now().Add(-21 * time.Hour)
	d := ""
	for i := 30; i > 0; i-- {
		num := rand.Intn(24)
		day := now.AddDate(0, 0, -i).Add(time.Duration(num) * time.Hour)
		for j := 0; j < 3; j++ {
			a := rand.Intn(10)
			//fmt.Println(day.Add(time.Duration(j*22)*time.Minute).Format(DateFmtYYYYMMDDHHmmss), a)
			d = fmt.Sprintf("%s (%s,%d)", d, day.Add(time.Duration(j*22)*time.Minute).Format(DateFmtYYYYMMDDHHmmss), a)
		}
	}
	d = fmt.Sprintf("insert into qwert values%s", d)
	fmt.Println(d)
}

func Test_getAccount(t *testing.T) {
	s := fmt.Sprintf("iaa%s", GetRandomString(39))
	t.Log(s)
}
func GetRandomString(l int) string {
	now := time.Now().Format("060102150405.000")
	nowFmt := strings.Replace(now, ".", "", -1)
	str := "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
	bytes := []byte(str)
	var result []byte
	j := 0
	r := rand.New(rand.NewSource(time.Now().UnixNano() + int64(rand.Intn(100))))
	for i := 0; i < l; i++ {
		if i%2 != 0 && j < len(nowFmt) {
			result = append(result, nowFmt[j])
			j++
		} else {
			result = append(result, bytes[r.Intn(len(bytes))])
		}
	}
	return string(result)
}