package crypto

import (
	"crypto/rand"
	"lux/proto"
)

type LuxKey struct {
	Type proto.LuxType
	Id   proto.LuxID
	Key  []byte
}

func (key *LuxKey) NewLuxKey(keyType proto.LuxType) error {
	key.Type = keyType
	key.Id = proto.NewLuxID()
	key.Key = make([]byte, 32)

	if _, err := rand.Read(key.Key); err != nil {
		return err
	} else {
		return nil
	}
}

func (key *LuxKey) Read(rd *proto.LuxBuffer) error {
	if err := key.Type.Read(rd); err != nil {
		return err
	}
	if err := key.Id.Read(rd); err != nil {
		return err
	}

	_key, err := rd.ReadNext(32)
	if err != nil {
		return err
	}

	key.Key = _key
	return nil
}

func (key *LuxKey) Write(wd *proto.LuxBuffer) {
	key.Type.Write(wd)
	key.Id.Write(wd)
	wd.WriteBytes(key.Key)
}