package cli

import (
	"encoding/hex"

	"github.com/alecthomas/kong"
)

type HexString []byte

func (h *HexString) Raw() []byte {
	return *h
}

func (h *HexString) Decode(ctx *kong.DecodeContext) error {
	token, err := ctx.Scan.PopValue("hex")
	if err != nil {
		return err
	}

	data, err := hex.DecodeString(token.String())
	if err != nil {
		return err
	}

	*h = data
	return nil
}