#ifndef PROTOCOL_H
#define PROTOCOL_H

#include <QtCore/QRectF>

struct Message
{
    enum MessageType
    {
        InvalidMessage,
        RequestMessage,
        ResponseMessage,
        EventMessage
    };

    inline Message(MessageType message = InvalidMessage, quint16 type = -1, quint32 id = -1, const QRectF &rect = QRectF())
        : message(message), type(type), id(id), rect(rect) {}

    quint16 message;
    quint16 type;
    quint32 id;
    QRectF rect;
};

struct Request : public Message
{
    enum RequestType
    {
        InvalidRequest,
        CreateRequest,
        DestroyRequest,
        ShowRequest,
        HideRequest,
        RaiseRequest,
        LowerRequest,
        UpdateRequest,
        SetGeometryRequest,
    };

    inline Request(RequestType type = InvalidRequest, quint32 id = -1, const QRectF &rect = QRectF())
        : Message(RequestMessage, type, id, rect) {}
};

struct Response : public Message
{
    enum ResponseType
    {
        InvalidResponse,
        CreatedResponse
    };

    inline Response(ResponseType type = InvalidResponse, quint32 id = -1, const QRectF &rect = QRectF())
        : Message(ResponseMessage, type, id, rect) {}
};

struct Event : public Message
{
    enum EventType
    {
        InvalidEvent,
        ErrorEvent,
        ShowEvent,
        HideEvent,
        PaintEvent,
        GeometryChangeEvent,
        MousePressEvent,
        MouseReleaseEvent,
    };

    inline Event(EventType type = InvalidEvent, quint32 id = -1, const QRectF &rect = QRectF())
        : Message(EventMessage, type, id, rect) {}
};

inline QDataStream &operator>>(QDataStream &in, Message &message)
{
    in >> message.message;
    in >> message.type;
    in >> message.id;
    in >> message.rect;
    return in;
}

inline QDataStream &operator<<(QDataStream &out, const Message &message)
{
    out << message.message;
    out << message.type;
    out << message.id;
    out << message.rect;
    return out;
}

#endif//PROTOCOL_H