/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
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** rights.  These rights are described in the Digia Qt LGPL Exception
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****************************************************************************/

#include "networkaccessmanager.h"

#include <QCoreApplication>
#include <QLocale>
#include <QUrl>
#include <QNetworkReply>

#ifdef Q_OS_UNIX
#include <sys/utsname.h>
#endif

/*!
   \class Utils::NetworkManager

   \brief Network Access Manager for use with Qt Creator.

   Common initialization, Qt Creator User Agent
 */

namespace Utils {

static const QString getOsString()
{
    QString osString;
#if defined(Q_OS_WIN)
    switch (QSysInfo::WindowsVersion) {
    case (QSysInfo::WV_4_0):
        osString += QLatin1String("WinNT4.0");
        break;
    case (QSysInfo::WV_5_0):
        osString += QLatin1String("Windows NT 5.0");
        break;
    case (QSysInfo::WV_5_1):
        osString += QLatin1String("Windows NT 5.1");
        break;
    case (QSysInfo::WV_5_2):
        osString += QLatin1String("Windows NT 5.2");
        break;
    case (QSysInfo::WV_6_0):
        osString += QLatin1String("Windows NT 6.0");
        break;
    case (QSysInfo::WV_6_1):
        osString += QLatin1String("Windows NT 6.1");
        break;
    default:
        osString += QLatin1String("Windows NT (Unknown)");
        break;
    }
#elif defined (Q_OS_MAC)
    if (QSysInfo::ByteOrder == QSysInfo::BigEndian)
        osString += QLatin1String("PPC ");
    else
        osString += QLatin1String("Intel ");
    osString += QLatin1String("Mac OS X ");
    switch (QSysInfo::MacintoshVersion) {
    case (QSysInfo::MV_10_3):
        osString += QLatin1String("10_3");
        break;
    case (QSysInfo::MV_10_4):
        osString += QLatin1String("10_4");
        break;
    case (QSysInfo::MV_10_5):
        osString += QLatin1String("10_5");
        break;
    case (QSysInfo::MV_10_6):
        osString += QLatin1String("10_6");
        break;
    default:
        osString += QLatin1String("(Unknown)");
        break;
    }
#elif defined (Q_OS_UNIX)
    struct utsname uts;
    if (uname(&uts) == 0) {
        osString += QLatin1String(uts.sysname);
        osString += QLatin1Char(' ');
        osString += QLatin1String(uts.release);
    } else {
        osString += QLatin1String("Unix (Unknown)");
    }
#else
    osString = QLatin1String("Unknown OS");
#endif
    return osString;
}


NetworkAccessManager::NetworkAccessManager(QObject *parent)
    : QNetworkAccessManager(parent)
{

}

void NetworkAccessManager::getUrl(const QUrl &url)
{
    QNetworkRequest req;
    req.setUrl(url);
    get(req);
}

QNetworkReply* NetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
{
    QString agentStr = QString::fromLatin1("%1/%2 (QNetworkAccessManager %3; %4; %5; %6 bit)")
                    .arg(QCoreApplication::applicationName(),
                         QCoreApplication::applicationVersion(),
                         QLatin1String(qVersion()),
                         getOsString(), QLocale::system().name())
                    .arg(QSysInfo::WordSize);
    QNetworkRequest req(request);
    req.setRawHeader("User-Agent", agentStr.toLatin1());
    return QNetworkAccessManager::createRequest(op, req, outgoingData);
}


} // namespace utils
