package wireguard

import (
	"bytes"
	"encoding/base64"
)

// BinaryKey is a binary blob
type BinaryKey []byte

func (k BinaryKey) String() string {
	return base64.StdEncoding.EncodeToString(k)
}

// IsZero tells if the key hasn't been set
func (k BinaryKey) IsZero() bool {
	return len(k) == 0
}

// Equal checks if two keys are identical
func (k BinaryKey) Equal(alter BinaryKey) bool {
	return bytes.Equal(k, alter)
}

// BinaryKeyFromBase64 decodes a base64-based string into
// a [BinaryKey]
func BinaryKeyFromBase64(data string) (BinaryKey, error) {
	b, err := base64.StdEncoding.DecodeString(data)
	return BinaryKey(b), err
}

// KeyPair holds a Key pair
type KeyPair struct {
	PrivateKey BinaryKey
	PublicKey  BinaryKey
}