package plain

import (
	"crypto/subtle"

	"forge.cadoles.com/arcad/edge/pkg/module/auth/http/passwd"
)

const (
	Algo passwd.Algo = "plain"
)

func init() {
	passwd.Register(Algo, &Hasher{})
}

type Hasher struct{}

// Hash implements passwd.Hasher
func (*Hasher) Hash(plaintext string) (string, error) {
	return plaintext, nil
}

// Match implements passwd.Hasher.
func (*Hasher) Match(plaintext string, hash string) (bool, error) {
	matches := subtle.ConstantTimeCompare([]byte(plaintext), []byte(hash)) == 1

	return matches, nil
}

var _ passwd.Hasher = &Hasher{}