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#include <QGuiApplication>
#include <QCommandLineParser>
#include <QDebug>

#include <q3dsruntimeglobal.h>
#include <Q3DSSurfaceViewer>
#include <Q3DSPresentation>
#include <Q3DSDataInput>

#include "window_manualupdate.h"
#include "window_autoupdate.h"

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);
    QSurfaceFormat::setDefaultFormat(Q3DS::surfaceFormat());

    QCommandLineParser parser;
    QCommandLineOption multiWindowOption("multi", "Multiple windows");
    parser.addOption(multiWindowOption);
    parser.process(app);

    ManualUpdateWindow w;
    w.setTitle(QLatin1String("Qt 3D Studio plain QWindow Example"));
    Q3DSSurfaceViewer viewer;
    QObject::connect(&viewer, &Q3DSSurfaceViewer::errorChanged, &viewer, [&viewer] {
        const QString msg = viewer.error();
        if (!msg.isEmpty())
            qWarning() << msg;
    });

    // The presentation has a data input entry "di_text" for the textstring
    // property of one of the Text nodes. Provide a custom value. Do this in a
    // manner so that the value is set even when doing a Reload or changing the
    // presentation object's source.
    Q3DSDataInput dataInput(viewer.presentation(), QLatin1String("di_text"));
    QObject::connect(&viewer, &Q3DSSurfaceViewer::presentationLoaded, &viewer, [&dataInput] {
        dataInput.setValue(QLatin1String("Hello world"));
    });

    viewer.presentation()->setSource(QUrl(QLatin1String("qrc:/barrel.uip")));
    viewer.create(&w, w.context());
    w.setViewer(&viewer);
    w.resize(1024, 768);
    w.show();

    QScopedPointer<AutoUpdateWindow> w2;
    QScopedPointer<Q3DSSurfaceViewer> viewer2;
    if (parser.isSet(multiWindowOption)) {
        w2.reset(new AutoUpdateWindow);
        viewer2.reset(new Q3DSSurfaceViewer);
        viewer2->presentation()->setSource(QUrl(QLatin1String("qrc:/barrel.uip")));
        // change from the default -1 (auto-update disabled) to an interval of
        // 0 since AutoUpdateWindow does not do anything on its own that would
        // lead to calling update()
        viewer2->setUpdateInterval(0);
        viewer2->create(w2.data(), w2->context());
        w2->resize(800, 600);
        w2->show();
    }

    return app.exec();
}