/* Ручная проверка EWMH на настоящем X11/XWayland: настройки рабочих столов пользователя не меняются. */
#include "../src/message_notification.h"
#include "../../../lib/debug_config.h"
#include <QtTest>
#include <X11/Xlib.h>
#include <X11/Xatom.h>

class NotificationDesktopTest : public QObject {
    Q_OBJECT
    Display* m_display = nullptr;

    qint64 desktop(Window window, const char* property = "_NET_WM_DESKTOP") {
        Atom type = None;
        int format = 0;
        unsigned long count = 0, remaining = 0;
        unsigned char* data = nullptr;
        const Atom atom = XInternAtom(m_display, property, False);
        const int status = XGetWindowProperty(m_display, window, atom, 0, 1, False,
                                              XA_CARDINAL, &type, &format, &count, &remaining, &data);
        qint64 value = -1;
        if (status == Success && type == XA_CARDINAL && format == 32 && count == 1 && data)
            value = *reinterpret_cast<const unsigned long*>(data) & 0xffffffffUL;
        if (data) XFree(data);
        return value;
    }

private slots:
    void initTestCase() {
        debug_config_init();
        debug_set_level(DEBUG_LEVEL_DEBUG);
        m_display = XOpenDisplay(nullptr);
        QVERIFY(m_display);
    }
    void cleanupTestCase() { if (m_display) XCloseDisplay(m_display); }

    void allDesktopsOnFirstShowUpdateAndReshow() {
        MessageNotification notification;
        notification.showMessage("42", "Alice", "Desktop test", {});
        const Window window = Window(notification.winId());
        QTest::qWait(200); // Проверяем состояние после обработки MapRequest оконным менеджером.
        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "notification desktop test: mapped desktop=%lld root_current=%lld root_count=%lld",
                   (long long)desktop(window), (long long)desktop(DefaultRootWindow(m_display), "_NET_CURRENT_DESKTOP"),
                   (long long)desktop(DefaultRootWindow(m_display), "_NET_NUMBER_OF_DESKTOPS"));
        QTRY_COMPARE_WITH_TIMEOUT(desktop(window), qint64(0xffffffffUL), 2000);
        QVERIFY(!notification.parentWidget());
        QVERIFY(notification.windowFlags() & Qt::WindowDoesNotAcceptFocus);
        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "notification desktop test: first show window=0x%lx desktop=all", window);

        // Переносим только своё окно на стол 0; активный стол пользователя может изменяться во время проверки.
        const qint64 singleDesktop = 0;
        XEvent event{};
        event.xclient.type = ClientMessage;
        event.xclient.window = window;
        event.xclient.message_type = XInternAtom(m_display, "_NET_WM_DESKTOP", False);
        event.xclient.format = 32;
        event.xclient.data.l[0] = long(singleDesktop);
        event.xclient.data.l[1] = 1;
        QVERIFY(XSendEvent(m_display, DefaultRootWindow(m_display), False,
                           SubstructureRedirectMask | SubstructureNotifyMask, &event));
        XFlush(m_display);
        QTRY_COMPARE_WITH_TIMEOUT(desktop(window), singleDesktop, 2000);
        notification.showMessage("dm:7", "Bob", "Desktop test", {});
        QTRY_COMPARE_WITH_TIMEOUT(desktop(window), qint64(0xffffffffUL), 2000);
        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "notification desktop test: updated visible window desktop=all");

        notification.dismiss("test-reshow");
        QTest::qWait(50);
        notification.showMessage("43", "Charlie", "Desktop test", {});
        QTRY_COMPARE_WITH_TIMEOUT(desktop(Window(notification.winId())), qint64(0xffffffffUL), 2000);
        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "notification desktop test: withdrawn window shown again desktop=all");
        notification.dismiss("test-complete");
    }
};

int main(int argc, char** argv) {
    if (qEnvironmentVariableIsEmpty("DISPLAY")) return 77;
    qputenv("QT_QPA_PLATFORM", "xcb");
    QApplication application(argc, argv);
    NotificationDesktopTest test;
    return QTest::qExec(&test, argc, argv);
}

#include "test_message_notification_x11.moc"