package csrf

import (
	"crypto/rand"
	"encoding/base64"
	"log/slog"
)

func generateToken(length int) (string, error) {
	b := make([]byte, length)

	_, err := rand.Read(b)
	if err != nil {
		slog.Error("generate csrf token", slog.String("op", "service.generateToken"), slog.Any("error", err))
		return "", ErrInternal
	}

	return base64.RawURLEncoding.EncodeToString(b), nil
}