/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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#include "q3dsutils_p.h"
#include "q3dsgraphexplorer_p.h"
#if QT_CONFIG(widgets)
#include <QMessageBox>
#include <QInputDialog>
#endif

QT_BEGIN_NAMESPACE

static bool q3ds_dialogsEnabled = true;
static Q3DSUtilsMessageRedirect *q3ds_msgRedirect = nullptr;

// autotests will not want to pop up message boxes, obviously
void Q3DSUtils::setDialogsEnabled(bool enable)
{
    q3ds_dialogsEnabled = enable;
}

bool Q3DSUtils::dialogsEnabled()
{
    return q3ds_dialogsEnabled;
}

Q3DSUtilsMessageRedirect::Q3DSUtilsMessageRedirect(QString *dst)
    : m_dst(dst)
{
    if (m_dst)
        setEnabled(true);
}

Q3DSUtilsMessageRedirect::~Q3DSUtilsMessageRedirect()
{
    if (q3ds_msgRedirect == this)
        setEnabled(false);
}

void Q3DSUtilsMessageRedirect::setEnabled(bool enable)
{
    q3ds_msgRedirect = enable ? this : nullptr;
}

void Q3DSUtils::showMessage(const QString &msg)
{
    qWarning("%s", qPrintable(msg));
    if (q3ds_msgRedirect) {
        QString *s = q3ds_msgRedirect->destination();
        if (s) {
            if (!s->isEmpty())
                *s += QLatin1Char('\n');
            *s += msg;
        }
    }
#if QT_CONFIG(widgets)
    else if (q3ds_dialogsEnabled) {
        QMessageBox::information(nullptr, QObject::tr("Viewer"), msg);
    }
#endif
}

QString Q3DSUtils::getInput(const QString &msg)
{
#if QT_CONFIG(widgets)
    if (q3ds_dialogsEnabled)
        return QInputDialog::getText(nullptr, QObject::tr("Input"), msg);
#else
    Q_UNUSED(msg);
#endif

    return QString();
}

QString Q3DSUtils::resourcePrefix()
{
#if 0
    // Allow overriding the res folder locations by setting an env var
    QString prefix;
    if (qEnvironmentVariableIsSet("Q3DS_RES"))
        prefix = (qgetenv("Q3DS_RES") + QByteArrayLiteral("/"));
    return prefix;
#endif
    return QLatin1String(":/q3ds/");
}

void Q3DSUtils::showObjectGraph(Q3DSGraphObject *obj)
{
#if QT_CONFIG(widgets)
    Q3DSGraphExplorer *w = new Q3DSGraphExplorer(obj);
    w->show();
#else
    Q_UNUSED(obj);
#endif
}

QT_END_NAMESPACE