package helpers

import (
	"crypto/rand"
	"encoding/hex"
	"strings"
)

func RandomHexID(byteCount int) (string, error) {
	bytes := make([]byte, byteCount)
	if _, err := rand.Read(bytes); err != nil {
		return "", err
	}

	return hex.EncodeToString(bytes), nil
}

func ValidLowerHexID(value string, length int) bool {
	if len(value) != length {
		return false
	}

	for _, character := range value {
		if !strings.ContainsRune("0123456789abcdef", character) {
			return false
		}
	}

	return true
}