package random

import "crypto/rand"

func GenerateRandomString(length int) (string, error) {
	const charset = "abcdefghijklmnopqrstuvwxyz0123456789"
	b := make([]byte, length)

	if _, err := rand.Read(b); err != nil {
		return "", err
	}

	for i := range b {
		b[i] = charset[int(b[i])%len(charset)]
	}

	return string(b), nil
}