package utils

import (
	"math/rand"
	"time"
)

func init() {
	rand.Seed(time.Now().UnixNano())
}

func GenerateVerificationCode(length int) string {
	digits := "0123456789"
	code := make([]byte, length)
	for i := range code {
		code[i] = digits[rand.Intn(len(digits))]
	}
	return string(code)
}

func GenerateRandomString(length int) string {
	chars := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
	result := make([]byte, length)
	for i := range result {
		result[i] = chars[rand.Intn(len(chars))]
	}
	return string(result)
}