/*
 * medInria
 * Copyright (c) INRIA 2013. All rights reserved.
 * 
 * medInria is under BSD-2-Clause license. See LICENSE.txt for details in the root of the sources or:
 * https://github.com/medInria/medInria-public/blob/master/LICENSE.txt
 * 
 * This software is distributed WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */

#include <medGlobalDefs.h>

#include <QFileInfo>
#include <QOpenGLContext>
#include <QtOpenGL/QtOpenGL>

namespace med {

QString smartBaseName(const QString & fileName) {
    // remove extension after the first dot, or if it ends in a compression extension,
    // the one before. So "test.nii.gz" -> "test" and "test.mha" -> "test"
    QFileInfo info(fileName);
    if( info.suffix().toLower() == "gz"
     || info.suffix().toLower() == "z"
     || info.suffix().toLower() == "bz2")
    {
        QFileInfo infoWithoutCompression(info.completeBaseName());
        return infoWithoutCompression.completeBaseName();
    }
    else return info.completeBaseName();
}

GPUInfo gpuModel()
{
    // just fill it once, we are not going to change GPU on the fly
    static GPUInfo gpu;
    if (gpu.renderer.isEmpty())
    {
        QOffscreenSurface surface;
        surface.create();
        QOpenGLContext context;
        context.create();
        context.makeCurrent(&surface);
        gpu.renderer = QString::fromLocal8Bit(reinterpret_cast<const char*>(context.functions()->glGetString(GL_RENDERER)));
        gpu.version  = QString::fromLocal8Bit(reinterpret_cast<const char*>(context.functions()->glGetString(GL_VERSION)));
        gpu.vendor   = QString::fromLocal8Bit(reinterpret_cast<const char*>(context.functions()->glGetString(GL_VENDOR)));
    }
    return gpu;
}

}