package codec

import (
	css "git.loafle.net/commons/server-go/socket"
)

type Codec interface {
	Encode(message []byte) ([]byte, error)
	Decode(message []byte) ([]byte, error)
}

type codec struct {
}

func (_ *codec) Encode(message []byte) ([]byte, error) {
	return message, nil
}

func (_ *codec) Decode(message []byte) ([]byte, error) {
	return message, nil
}

var DefaultCodec = &codec{}

type CodecSelector interface {
	Encode(message []byte) (messageType int, encMessage []byte, err error)
	Decode(messageType int, message []byte) (decMessage []byte, err error)
}

type codecSelector struct {
}

func (_ *codecSelector) Encode(message []byte) (messageType int, encMessage []byte, err error) {
	messageType = css.TextMessage
	encMessage, err = DefaultCodec.Encode(message)
	return
}

func (_ *codecSelector) Decode(messageType int, message []byte) (decMessage []byte, err error) {
	decMessage, err = DefaultCodec.Decode(message)
	return
}

var DefaultCodecSelector = &codecSelector{}