package telemetry

import (
	"crypto/aes"
	"crypto/cipher"
	"crypto/rand"
	"encoding/base64"
)

func Encrypt(key []byte, data []byte) (string, error) {
	block, err := aes.NewCipher(key)
	if err != nil {
		return "", err
	}

	gcm, err := cipher.NewGCM(block)
	if err != nil {
		return "", err
	}

	nonce := make([]byte, gcm.NonceSize())
	if _, err := rand.Read(nonce); err != nil {
		return "", err
	}

	ciphertext := gcm.Seal(nonce, nonce, data, nil)

	return base64.StdEncoding.EncodeToString(ciphertext), nil
}