package udp

import (
	//"encoding/binary"
	//"errors"
	//"fmt"

	"github.com/google/uuid"
)

type PacketType uint8

const (
	PacketTypePing       PacketType = 0
	PacketTypeConnect    PacketType = 1
	PacketTypeDisconnect PacketType = 2
	PacketTypeVoiceData  PacketType = 9
)

type Message interface {
	Type() PacketType
	MarshalBinary() ([]byte, error)
	Size() int
}

// MessagePing ClientPing représente un message ping client
type MessagePing struct {
	MessageID uuid.UUID
}

func (m *MessagePing) Type() PacketType { return PacketTypePing }
func (m *MessagePing) Size() int        { return 17 } // 1 + 16

func (m *MessagePing) MarshalBinary() ([]byte, error) {
	buf := make([]byte, m.Size())
	buf[0] = byte(PacketTypePing)
	copy(buf[1:], m.MessageID[:])
	return buf, nil
}