/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#include <QDebug>

#include <QApplication>
#include <QStringList>
#include <QFileInfo>

#include <iostream>

#include <qt5nodeinstanceclientproxy.h>

#include <QQmlComponent>
#include <QQmlEngine>

#ifdef ENABLE_QT_BREAKPAD
#include <qtsystemexceptionhandler.h>
#endif

#ifdef Q_OS_WIN
#include <windows.h>
#endif

int internalMain(QGuiApplication *application)
{
    QCoreApplication::setOrganizationName("QtProject");
    QCoreApplication::setOrganizationDomain("qt-project.org");
    QCoreApplication::setApplicationName("Qml2Puppet");
    QCoreApplication::setApplicationVersion("1.0.0");

    if (application->arguments().count() < 2
            || (application->arguments().at(1) == "--readcapturedstream" && application->arguments().count() < 3)) {
        qDebug() << "Usage:\n";
        qDebug() << "--test";
        qDebug() << "--version";
        qDebug() << "--readcapturedstream <stream file> [control stream file]";

        return -1;
    }

    if (application->arguments().at(1) == "--readcapturedstream" && application->arguments().count() > 2) {
        QFileInfo inputStreamFileInfo(application->arguments().at(2));
        if (!inputStreamFileInfo.exists()) {
            qDebug() << "Input stream does not exist:" << inputStreamFileInfo.absoluteFilePath();

            return -1;
        }

        if (application->arguments().count() > 3) {
            QFileInfo controlStreamFileInfo(application->arguments().at(3));
            if (!controlStreamFileInfo.exists()) {
                qDebug() << "Output stream does not exist:" << controlStreamFileInfo.absoluteFilePath();

                return -1;
            }
        }
    }

    if (application->arguments().count() == 2 && application->arguments().at(1) == "--test") {
        qDebug() << QCoreApplication::applicationVersion();
        QQmlEngine engine;

        QQmlComponent component(&engine);
        component.setData("import QtQuick 2.0\nItem {\n}\n", QUrl::fromLocalFile("test.qml"));

        QObject *object = component.create();

        if (object) {
            qDebug() << "Basic QtQuick 2.0 working...";
        } else {
            qDebug() << "Basic QtQuick 2.0 not working...";
            qDebug() << component.errorString();
        }
        delete object;
        return 0;
    }

    if (application->arguments().count() == 2 && application->arguments().at(1) == "--version") {
        std::cout << 2;
        return 0;
    }

    if (application->arguments().at(1) != "--readcapturedstream" && application->arguments().count() < 4) {
        qDebug() << "Wrong argument count: " << application->arguments().count();
        return -1;
    }



#ifdef ENABLE_QT_BREAKPAD
    const QString libexecPath = QCoreApplication::applicationDirPath() + '/' + RELATIVE_LIBEXEC_PATH;
    QtSystemExceptionHandler systemExceptionHandler(libexecPath);
#endif

    new QmlDesigner::Qt5NodeInstanceClientProxy(application);

#if defined(Q_OS_WIN) && defined(QT_NO_DEBUG)
    SetErrorMode(SEM_NOGPFAULTERRORBOX); //We do not want to see any message boxes
#endif

    if (application->arguments().at(1) == "--readcapturedstream")
        return 0;

    return application->exec();
}

int main(int argc, char *argv[])
{
    // Since we always render text into an FBO, we need to globally disable
    // subpixel antialiasing and instead use gray.
    qputenv("QSG_DISTANCEFIELD_ANTIALIASING", "gray");
#ifdef Q_OS_MACOS
    if (!qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_MODE")) {
        qputenv("QT_MAC_DISABLE_FOREGROUND_APPLICATION_TRANSFORM", "true");
    } else {
        // We have to parse the arguments before Q[Gui]Application creation
        // Since the Qt arguments are not filtered out, yet we do not know the position of the argument
        for (int i = 0; i < argc; ++i) {
            const char *arg = argv[i];
            //In previewmode and rendermode we hide the process
            if (!qstrcmp(arg, "previewmode") || !qstrcmp(arg, "rendermode"))
                qputenv("QT_MAC_DISABLE_FOREGROUND_APPLICATION_TRANSFORM", "true");
            // This keeps qml2puppet from stealing focus
        }
    }
#endif

    //If a style different from Desktop is set we have to use QGuiApplication
    bool useGuiApplication = qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_STYLE")
            && qgetenv("QT_QUICK_CONTROLS_STYLE") != "Desktop";

    if (useGuiApplication) {
        QGuiApplication application(argc, argv);
        return internalMain(&application);
    } else {
        QApplication application(argc, argv);
        return internalMain(&application);
    }
}
