/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.

Copyright (C) 2016 Martin Gräßlin <mgraesslin@kde.org>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "kwin_wayland_test.h"
#include "platform.h"
#include "client.h"
#include "composite.h"
#include "cursor.h"
#include "scene.h"
#include "screenedge.h"
#include "screens.h"
#include "wayland_server.h"
#include "workspace.h"
#include "shell_client.h"
#include <kwineffects.h>

#include <KWayland/Client/server_decoration.h>
#include <KWayland/Client/surface.h>

#include <KDecoration2/Decoration>

#include <linux/input.h>

namespace KWin
{

static const QString s_socketName = QStringLiteral("wayland_test_kwin_dont_crash_no_border-0");

class DontCrashNoBorder : public QObject
{
    Q_OBJECT
private Q_SLOTS:
    void initTestCase();
    void init();
    void cleanup();
    void testCreateWindow_data();
    void testCreateWindow();
};

void DontCrashNoBorder::initTestCase()
{
    qRegisterMetaType<KWin::ShellClient*>();
    qRegisterMetaType<KWin::AbstractClient*>();
    QSignalSpy workspaceCreatedSpy(kwinApp(), &Application::workspaceCreated);
    QVERIFY(workspaceCreatedSpy.isValid());
    kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
    QVERIFY(waylandServer()->init(s_socketName.toLocal8Bit()));
    QMetaObject::invokeMethod(kwinApp()->platform(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(int, 2));

    KSharedConfig::Ptr config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
    config->group("org.kde.kdecoration2").writeEntry("NoPlugin", true);
    config->sync();
    kwinApp()->setConfig(config);

    // this test needs to enforce OpenGL compositing to get into the crashy condition
    qputenv("KWIN_COMPOSE", QByteArrayLiteral("O2"));
    kwinApp()->start();
    QVERIFY(workspaceCreatedSpy.wait());
    QCOMPARE(screens()->count(), 2);
    QCOMPARE(screens()->geometry(0), QRect(0, 0, 1280, 1024));
    QCOMPARE(screens()->geometry(1), QRect(1280, 0, 1280, 1024));
    setenv("QT_QPA_PLATFORM", "wayland", true);
    waylandServer()->initWorkspace();

    auto scene = KWin::Compositor::self()->scene();
    QVERIFY(scene);
    QCOMPARE(scene->compositingType(), KWin::OpenGL2Compositing);
}

void DontCrashNoBorder::init()
{
    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Decoration));

    screens()->setCurrent(0);
    Cursor::setPos(QPoint(640, 512));
}

void DontCrashNoBorder::cleanup()
{
    Test::destroyWaylandConnection();
}

void DontCrashNoBorder::testCreateWindow_data()
{
    QTest::addColumn<Test::XdgShellSurfaceType>("type");

    QTest::newRow("xdgShellV6") << Test::XdgShellSurfaceType::XdgShellV6;
    QTest::newRow("xdgWmBase") << Test::XdgShellSurfaceType::XdgShellStable;
}

void DontCrashNoBorder::testCreateWindow()
{
    // create a window and ensure that this doesn't crash
        using namespace KWayland::Client;

    QScopedPointer<Surface> surface(Test::createSurface());
    QVERIFY(!surface.isNull());
    QFETCH(Test::XdgShellSurfaceType, type);
    QScopedPointer<XdgShellSurface> shellSurface(Test::createXdgShellSurface(type, surface.data()));
    QVERIFY(shellSurface);
    QScopedPointer<ServerSideDecoration> deco(Test::waylandServerSideDecoration()->create(surface.data()));
    QSignalSpy decoSpy(deco.data(), &ServerSideDecoration::modeChanged);
    QVERIFY(decoSpy.isValid());
    QVERIFY(decoSpy.wait());
    deco->requestMode(ServerSideDecoration::Mode::Server);
    QVERIFY(decoSpy.wait());
    QCOMPARE(deco->mode(), ServerSideDecoration::Mode::Server);
    // let's render
    auto c = Test::renderAndWaitForShown(surface.data(), QSize(500, 50), Qt::blue);
    QVERIFY(c);
    QCOMPARE(workspace()->activeClient(), c);
    QVERIFY(!c->isDecorated());
}

}

WAYLANDTEST_MAIN(KWin::DontCrashNoBorder)
#include "dont_crash_no_border.moc"