/*
    SPDX-FileCopyrightText: 2017 Volker Krause <vkrause@kde.org>

    SPDX-License-Identifier: MIT
*/

#include <openglinfosource.h>
#include <src/provider/core/openglinfosource_p.h>

#include <QDebug>
#include <QtTest/qtest.h>
#include <QObject>
#include <QStandardPaths>
#include <QtEnvironmentVariables>

using namespace KUserFeedback;

class OpenGLInfoSourceTest : public QObject
{
    Q_OBJECT
private Q_SLOTS:
    void initTestCase()
    {
        QStandardPaths::setTestModeEnabled(true);
    }

    void testOpenGLInfoSource()
    {
        if (qEnvironmentVariableIsSet("KUSERFEEBACK_SKIP_TESTOPENGLINFOSOURCE"))
            QSKIP("KUSERFEEBACK_SKIP_TESTOPENGLINFOSOURCE is set");

        OpenGLInfoSource src;
        const auto m = src.data().toMap();
        QVERIFY(m.contains(QLatin1String("type")));
        const auto type = m.value(QLatin1String("type")).toString();
        QVERIFY(!type.isEmpty());
        QVERIFY(type == QLatin1String("GL") || type == QLatin1String("GLES"));

        QVERIFY(m.contains(QLatin1String("vendor")));
        QVERIFY(!m.value(QLatin1String("vendor")).toString().isEmpty());
        QVERIFY(m.contains(QLatin1String("renderer")));
        QVERIFY(!m.value(QLatin1String("renderer")).toString().isEmpty());
        QVERIFY(m.contains(QLatin1String("version")));
        QVERIFY(!m.value(QLatin1String("version")).toString().isEmpty());
        QVERIFY(m.contains(QLatin1String("vendorVersion")));
        QVERIFY(!m.value(QLatin1String("vendorVersion")).toString().isEmpty());
        QVERIFY(m.contains(QLatin1String("glslVersion")));
        QVERIFY(!m.value(QLatin1String("glslVersion")).toString().isEmpty());
    }

    void testParseGLVersion_data()
    {
        QTest::addColumn<QString>("glVersion");
        QTest::addColumn<QString>("vendorVersion");
        QTest::addColumn<QString>("version");

        QTest::newRow("empty") << QString() << QString() << QString();
        QTest::newRow("default") << QStringLiteral("3.0") << QString() << QStringLiteral("3.0");
        QTest::newRow("mesa") << QStringLiteral("3.0 Mesa 17.1.1") << QStringLiteral("Mesa 17.1.1") << QStringLiteral("3.0");
        QTest::newRow("mesa compat") << QStringLiteral("4.5 (Compatibility Profile) Mesa 19.2.1") << QStringLiteral("Mesa 19.2.1") << QStringLiteral("4.5");
        QTest::newRow("nvidia") << QStringLiteral("4.5 NVIDIA 375.26") << QStringLiteral("NVIDIA 375.26") << QStringLiteral("4.5");
        QTest::newRow("intel osx") << QStringLiteral("2.1 INTEL-10.25.13") << QStringLiteral("INTEL-10.25.13") << QStringLiteral("2.1");
        QTest::newRow("intel win") << QStringLiteral("4.3 - Build 20.19.15.4568") << QStringLiteral("Build 20.19.15.4568") << QStringLiteral("4.3");
    }

    void testParseGLVersion()
    {
        QFETCH(QString, glVersion);
        QFETCH(QString, vendorVersion);
        QFETCH(QString, version);

        QVariantMap m;
        OpenGLInfoSourcePrivate::parseGLVersion(glVersion.toUtf8().constData(), m);
        QCOMPARE(m.value(QLatin1String("vendorVersion")).toString(), vendorVersion);
        QCOMPARE(m.value(QLatin1String("version")).toString(), version);

        // don't overwrite version if we could correctly determine this by other means already
        m.clear();
        m.insert(QStringLiteral("version"), QStringLiteral("12345.6789"));
        OpenGLInfoSourcePrivate::parseGLVersion(glVersion.toUtf8().constData(), m);
        QCOMPARE(m.value(QLatin1String("vendorVersion")).toString(), vendorVersion);
        QCOMPARE(m.value(QLatin1String("version")).toString(), QLatin1String("12345.6789"));
    }

    void testParseGLESVersion_data()
    {
        QTest::addColumn<QString>("glVersion");
        QTest::addColumn<QString>("version");
        QTest::addColumn<QString>("vendorVersion");

        QTest::newRow("empty") << QString() << QStringLiteral("unknown") << QString();
        QTest::newRow("invalid") << QStringLiteral("OpenGL 2.0") << QStringLiteral("unknown") << QStringLiteral("OpenGL 2.0");
        QTest::newRow("default") << QStringLiteral("OpenGL ES 2.0") << QStringLiteral("2.0") << QString();
        QTest::newRow("angle") << QStringLiteral("OpenGL ES 2.0 (ANGLE 2.1.0.8613f4946861)") << QStringLiteral("2.0") << QStringLiteral("ANGLE 2.1.0.8613f4946861");
    }

    void testParseGLESVersion()
    {
        QFETCH(QString, glVersion);
        QFETCH(QString, version);
        QFETCH(QString, vendorVersion);

        QVariantMap m;
        OpenGLInfoSourcePrivate::parseGLESVersion(glVersion.toUtf8().constData(), m);
        QCOMPARE(m.value(QLatin1String("version")).toString(), version);
        QCOMPARE(m.value(QLatin1String("vendorVersion")).toString(), vendorVersion);
   }

    void testParseGLSLVersion_data()
    {
        QTest::addColumn<QString>("input");
        QTest::addColumn<QString>("glslVersion");

        QTest::newRow("empty") << QString() << QString();
        QTest::newRow("default") << QStringLiteral("1.30") << QStringLiteral("1.30");
        QTest::newRow("nvidia") << QStringLiteral("4.50 NVIDIA") << QStringLiteral("4.50");
    }

    void testParseGLSLVersion()
    {
        QFETCH(QString, input);
        QFETCH(QString, glslVersion);

        QVariantMap m;
        OpenGLInfoSourcePrivate::parseGLSLVersion(input.toUtf8().constData(), m);
        QCOMPARE(m.value(QLatin1String("glslVersion")).toString(), glslVersion);
   }

    void testParseESGLSLVersion_data()
    {
        QTest::addColumn<QString>("input");
        QTest::addColumn<QString>("glslVersion");

        QTest::newRow("empty") << QString() << QString();
        QTest::newRow("invalid") << QStringLiteral("GLSL 1.00") << QStringLiteral("GLSL 1.00");
        QTest::newRow("default") << QStringLiteral("OpenGL ES GLSL ES 1.00") << QStringLiteral("1.00");
        QTest::newRow("angle") << QStringLiteral("OpenGL ES GLSL ES 1.00 (ANGLE 2.1.0.8613f4946861)") << QStringLiteral("1.00");
    }

    void testParseESGLSLVersion()
    {
        QFETCH(QString, input);
        QFETCH(QString, glslVersion);

        QVariantMap m;
        OpenGLInfoSourcePrivate::parseESGLSLVersion(input.toUtf8().constData(), m);
        QCOMPARE(m.value(QLatin1String("glslVersion")).toString(), glslVersion);
   }

   void testNormalizeVendor_data()
   {
       QTest::addColumn<QString>("input");
       QTest::addColumn<QString>("vendor");

       QTest::newRow("empty") << QString() << QString();
       QTest::newRow("intel window") << QStringLiteral("Intel") << QStringLiteral("Intel");
       QTest::newRow("intel linux") << QStringLiteral("Intel Open Source Technology Center") << QStringLiteral("Intel");
       QTest::newRow("intel macOS") << QStringLiteral("Intel Inc.") << QStringLiteral("Intel");
       QTest::newRow("nvidia") << QStringLiteral("NVIDIA Corporation") << QStringLiteral("NVIDIA Corporation");
   }

   void testNormalizeVendor()
   {
       QFETCH(QString, input);
       QFETCH(QString, vendor);

       QCOMPARE(OpenGLInfoSourcePrivate::normalizeVendor(input.toLocal8Bit().constData()), vendor);
   }

   void testNormalizeRenderer_data()
   {
       QTest::addColumn<QString>("input");
       QTest::addColumn<QString>("renderer");

       QTest::newRow("empty") << QString() << QString();
       QTest::newRow("intel mesa") << QStringLiteral("Mesa DRI Intel(R) HD Graphics 520 (Skylake GT2)") << QStringLiteral("HD Graphics 520");
       QTest::newRow("intel mesa 2") << QStringLiteral("Mesa Intel HD Graphics 530 (Skylake GT2)") << QStringLiteral("HD Graphics 530");
       QTest::newRow("intel mesa 3") << QStringLiteral("Mesa Intel Iris Plus Graphics 640 (Kaby Lake GT3e) (KBL GT3)") << QStringLiteral("Iris Plus Graphics 640");
       QTest::newRow("intel macOS") << QStringLiteral("Intel Iris Pro OpenGL Engine") << QStringLiteral("Iris Pro");
       QTest::newRow("intel windows") << QStringLiteral("Intel(R) HD Graphics 4600") << QStringLiteral("HD Graphics 4600");
       QTest::newRow("nvidia") << QStringLiteral("GeForce GTX 1060 6GB/PCIe/SSE2") << QStringLiteral("GeForce GTX 1060 6GB/PCIe/SSE2");
       QTest::newRow("nvidia macos") << QStringLiteral("NVIDIA GeForce GT 750M OpenGL Engine") << QStringLiteral("GeForce GT 750M");
       QTest::newRow("angle") << QStringLiteral("ANGLE (VirtualBox Graphics Adapter for Windows 8+ Direct3D9Ex vs_3_0 ps_3_0)") << QStringLiteral("ANGLE");
       QTest::newRow("gallium") << QStringLiteral("Gallium 0.4 on AMD BARTS (DRM 2.49.0 / 4.11.1-1-default, LLVM 4.0.0)") << QStringLiteral("Gallium 0.4 on AMD BARTS");
       QTest::newRow("AMD 1") << QStringLiteral("AMD BARTS (DRM 2.50.0 / 4.17.2-1-default, LLVM 6.0.0)") << QStringLiteral("AMD BARTS");
       QTest::newRow("AMD 2") << QStringLiteral("AMD Radeon (TM) RX 480 Graphics (POLARIS10 / DRM 3.19.0 / 4.14.50-gentoo, LLVM 6.0.0)") << QStringLiteral("AMD Radeon RX 480 Graphics");
       QTest::newRow("Radeon") << QStringLiteral("Radeon RX 590 Series (POLARIS10, DRM 3.35.0, 5.4.13-zen1-1-zen, LLVM 9.0.1)") << QStringLiteral("Radeon RX 590 Series");
       QTest::newRow("llvmpipe") << QStringLiteral("llvmpipe (LLVM 9.0, 128 bits)") << QStringLiteral("llvmpipe");
   }

   void testNormalizeRenderer()
   {
       QFETCH(QString, input);
       QFETCH(QString, renderer);

       QCOMPARE(OpenGLInfoSourcePrivate::normalizeRenderer(input.toLocal8Bit().constData()), renderer);
   }

};

QTEST_MAIN(OpenGLInfoSourceTest)

#include "openglinfosourcetest.moc"