package bundle

import (
	"fmt"
	"regexp"

	publicbundle "gitea.maximumdirect.net/eric/distributor/pkg/bundle"
)

var digestPattern = regexp.MustCompile(`^sha256:[0-9a-f]{64}$`)

func ValidateDigest(value string) error {
	if !digestPattern.MatchString(value) {
		return fmt.Errorf("must be lowercase sha256:<64 hex>")
	}
	return nil
}

func FileDigest(data []byte) string {
	return publicbundle.FileDigest(data)
}

func BundleDigest(files []ManifestFile) string {
	return publicbundle.BundleDigest(files)
}

func CanonicalFilePayload(files []ManifestFile) string {
	return publicbundle.CanonicalFilePayload(files)
}