/*
    This file is part of the KDE libraries
    SPDX-FileCopyrightText: 2008 Jarosław Staniek <staniek@kde.org>

    SPDX-License-Identifier: LGPL-2.0-or-later
*/

#include <QDir>
#include <QWidget>

#include <qt_windows.h>

// TODO move to a shared lib
static int runDll(WId windowId, const QString &libraryName, const QByteArray &functionName, const QString &arguments)
{
    HMODULE libHandle = LoadLibraryW((LPCWSTR)libraryName.utf16());
    if (!libHandle) {
        return 0;
    }
    typedef int(WINAPI * FunctionType)(HWND, HMODULE, LPCWSTR, int);

    FunctionType function = (FunctionType)GetProcAddress(libHandle, functionName.constData());

    if (!function) {
        return 0;
    }
    int result = function((HWND)windowId, libHandle, (LPCWSTR)arguments.utf16(), SW_SHOW);
    FreeLibrary(libHandle);
    return result;
}

static int runDll(WId windowId, const QString &libraryName, const QByteArray &functionName, const QByteArray &arguments)
{
    HMODULE libHandle = LoadLibraryW((LPCWSTR)libraryName.utf16());
    if (!libHandle) {
        return 0;
    }
    typedef int(WINAPI * FunctionType)(HWND, HMODULE, LPCSTR, int);

    FunctionType function = (FunctionType)GetProcAddress(libHandle, functionName.constData());

    if (!function) {
        return 0;
    }
    int result = function((HWND)windowId, libHandle, (LPCSTR)arguments.constData(), SW_SHOW);
    FreeLibrary(libHandle);
    return result;
}

// TODO move to a shared lib
static int runDll(QWidget *parent, const QString &libraryName, const QByteArray &functionName, const QString &arguments)
{
    return runDll(parent ? parent->winId() : 0, libraryName, functionName, arguments);
}

// Windows implementation using "OpenAs_RunDLL" entry
static bool displayNativeOpenWithDialog(const QList<QUrl> &lst, QWidget *window)
{
    QStringList fnames;
    for (const QUrl &url : lst) {
        fnames += url.isLocalFile() ? QDir::toNativeSeparators(url.toLocalFile()) : url.toString();
    }
    int result = runDll(window, QLatin1String("shell32.dll"), "OpenAs_RunDLLW", fnames.join(QLatin1Char(' ')));
    return result == 0;
}