package utils

import (
	"GoClouds/core/comms"
	"fmt"
	ruisUtil "github.com/mgr9525/go-ruisutil"
	"math/rand"
	"strings"
	"time"
)

func ZHTNow() time.Time {
	return time.Now().In(comms.TimeZHT)
}

func GenValidateCode(width int) string {
	numeric := [10]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
	r := len(numeric)
	rand.Seed(time.Now().UnixNano())

	var sb strings.Builder
	for i := 0; i < width; i++ {
		fmt.Fprintf(&sb, "%d", numeric[rand.Intn(r)])
	}
	return sb.String()
}
func HideUserName(name string) string {
	if comms.RegPhone.MatchString(name) {
		return name[:3] + "****" + name[7:]
	}
	return name
}
func CacLoginHash(s string) string {
	hash := ruisUtil.Md5String(s)
	ln := len(hash)
	if ln > 10 {
		hash = hash[ln-8:]
	}
	return hash
}