/****************************************************************************
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtDeclarative module of the Qt Toolkit.
**
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** General Public License version 2.1 as published by the Free Software
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#include "qmlostplugin.h"
#include "qostdevice.h"

#include <private/qdeclarativedebugserver_p.h>
#include <private/qpacketprotocol_p.h>

QT_BEGIN_NAMESPACE

static const TInt KQmlOstProtocolId = 0x94;

class QmlOstPluginPrivate {
public:
    QmlOstPluginPrivate();

    QOstDevice *ost;
    QPacketProtocol *protocol;
    QDeclarativeDebugServer *debugServer;
};

QmlOstPluginPrivate::QmlOstPluginPrivate() :
    ost(0),
    protocol(0),
    debugServer(0)
{
}

QmlOstPlugin::QmlOstPlugin() :
    d_ptr(new QmlOstPluginPrivate)
{
}

QmlOstPlugin::~QmlOstPlugin()
{
    delete d_ptr;
}

void QmlOstPlugin::setServer(QDeclarativeDebugServer *server)
{
    Q_D(QmlOstPlugin);
    d->debugServer = server;
}

bool QmlOstPlugin::isConnected() const
{
    Q_D(const QmlOstPlugin);
    return d->ost && d->ost->isOpen();
}

void QmlOstPlugin::send(const QByteArray &message)
{
    Q_D(QmlOstPlugin);

    if (!isConnected())
        return;

    QPacket pack;
    pack.writeRawData(message.data(), message.length());

    d->protocol->send(pack);
    //d->socket->flush();
}

void QmlOstPlugin::disconnect()
{
    Q_D(QmlOstPlugin);

    delete d->protocol;
    d->protocol = 0;
}

bool QmlOstPlugin::waitForMessage()
{
    Q_D(QmlOstPlugin);
    return d->protocol->waitForReadyRead(-1);
}

void QmlOstPlugin::setPort(int port, bool block)
{
    Q_UNUSED(port);
    Q_UNUSED(block);

    Q_D(QmlOstPlugin);

    d->ost = new QOstDevice(this);
    bool ok = d->ost->open(KQmlOstProtocolId);
    if (!ok) {
        if (d->ost->errorString().length())
            qDebug("Error from QOstDevice: %s", qPrintable(d->ost->errorString()));
        qWarning("QDeclarativeDebugServer: Unable to listen on OST"); // This message is part of the signalling - do not change the format!
        return;
    }
    d->protocol = new QPacketProtocol(d->ost, this);
    QObject::connect(d->protocol, SIGNAL(readyRead()), this, SLOT(readyRead()));
    qWarning("QDeclarativeDebugServer: Waiting for connection via OST"); // This message is part of the signalling - do not change the format!
}

void QmlOstPlugin::readyRead()
{
    Q_D(QmlOstPlugin);
    QPacket packet = d->protocol->read();

    QByteArray content = packet.data();
    d->debugServer->receiveMessage(content);
}

Q_EXPORT_PLUGIN2(qmlostplugin, QmlOstPlugin)

QT_END_NAMESPACE