package d2netpacket

import (
	"encoding/json"

	"github.com/OpenDiablo2/OpenDiablo2/d2networking/d2netpacket/d2netpackettype"
)

// ServerFullPacket is sent by the server to inform a client that the
// server has reached the max number of allowed connections.
type ServerFullPacket struct{}

// CreateServerFullPacket returns a NetPacket which declares a ServerFullPacket.
func CreateServerFullPacket() (NetPacket, error) {
	serverClosed := ServerFullPacket{}

	b, err := json.Marshal(serverClosed)
	if err != nil {
		return NetPacket{PacketType: d2netpackettype.ServerFull}, err
	}

	return NetPacket{
		PacketType: d2netpackettype.ServerFull,
		PacketData: b,
	}, nil
}

// UnmarshalServerFull unmarshalls the given data to a ServerFullPacket struct
func UnmarshalServerFull(packet []byte) (ServerFullPacket, error) {
	var resp ServerFullPacket

	if err := json.Unmarshal(packet, &resp); err != nil {
		return resp, err
	}

	return resp, nil
}