/*************************************************************************
 *  Copyright (C) 2015 by Andrius Štikonas <andrius@stikonas.eu>         *
 *                                                                       *
 *  This program is free software; you can redistribute it and/or modify *
 *  it under the terms of the GNU General Public License as published by *
 *  the Free Software Foundation; either version 3 of the License, or    *
 *  (at your option) any later version.                                  *
 *                                                                       *
 *  This program is distributed in the hope that it will be useful,      *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
 *  GNU General Public License for more details.                         *
 *                                                                       *
 *  You should have received a copy of the GNU General Public License    *
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.*
 *************************************************************************/

#ifndef SOCKET_H
#define SOCKET_H

#include <QByteArray>
#include <QHostAddress>
#include <QTimer>
#include <QUdpSocket>

const QByteArray magicKey = QByteArray::fromHex ( "68 64" ); // recognize datagrams from the socket

class Socket : public QObject
{
Q_OBJECT

Q_SIGNALS:
    void stateChanged();

public:
    Socket ( QHostAddress, QByteArray );
    ~Socket();
    void toggle();
    void tableData();
    void changeSocketName ( /*QString name*/ );
    bool parseReply ( QByteArray );

    QHostAddress ip, localIP;
    QByteArray mac;
    bool powered;
    QString name, remotePassword;

private:
    enum Datagram {Subscribe, PowerOff, PowerOn, TableData, SocketData, TimingData, WriteSocketData, MaxCommands};

    void sendDatagram ( Datagram );
    QByteArray fromIP ( unsigned char, unsigned char, unsigned char, unsigned char );
    void subscribe();

    QByteArray commandID[MaxCommands];
    QByteArray datagram[MaxCommands];
    QByteArray rmac; // Reveresed mac
    QByteArray socketTableNumber, socketTableVersion, timingTableNumber, timingTableVersion;

    const QByteArray twenties = QByteArray::fromHex ( "20 20 20 20 20 20" ); // mac address padding
    const QByteArray zeros = QByteArray::fromHex ( "00 00 00 00" );
    const QByteArray zero =  QByteArray::fromHex ( "00" );
    const QByteArray one =  QByteArray::fromHex ( "01" );

    QUdpSocket *udpSocket;

    QTimer *subscribeTimer;

};

#endif  /* SOCKET_H */