// SPDX-FileCopyrightText: Copyright (C) 2016 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1

#include "misc/processctrl.h"
#include "misc/logmessage.h"
#include <QStringBuilder>

#ifdef Q_OS_WIN
#    include <windows.h>
#    include <array>
#endif

namespace swift::misc
{
    CProcessCtrl::CProcessCtrl(QObject *parent) : QProcess(parent)
    {}

#ifdef Q_OS_WIN
    bool startDetachedWithConsoleWindow(const QString &program, const QStringList &arguments)
    {
        bool inherit = false;

        PROCESS_INFORMATION processInfo;
        memset(&processInfo, 0, sizeof(processInfo));

        STARTUPINFO startupInfo;
        memset(&startupInfo, 0, sizeof(startupInfo));
        startupInfo.cb = sizeof(startupInfo);

        QString command = '"' % QString(program).replace('/', '\\') % '"';
        if (!arguments.isEmpty())
        {
            command += " \"" % arguments.join("\" \"").replace('/', '\\') % '"';
        }

        DWORD flags = 0;
        flags |= NORMAL_PRIORITY_CLASS;
        flags |= CREATE_UNICODE_ENVIRONMENT;
        flags |= CREATE_NEW_CONSOLE;

        Q_ASSERT(command.length() <= MAX_PATH);
        std::array<WCHAR, MAX_PATH> wszCommandLine = { {} };
        command.toWCharArray(wszCommandLine.data());

        int result = CreateProcess(nullptr, wszCommandLine.data(), nullptr, nullptr, inherit, flags, nullptr, nullptr, &startupInfo, &processInfo);

        if (result == 0)
        {
            CLogMessage(static_cast<CProcessCtrl *>(nullptr)).warning(u"Failed to start %1: %2") << program << GetLastError();
            return false;
        }

        CloseHandle(processInfo.hProcess);
        CloseHandle(processInfo.hThread);
        return true;
    }
#else
    bool startDetachedWithConsoleWindow(const QString &program, const QStringList &arguments)
    {
        //! \fixme Handle Linux and OS X here
        return QProcess::startDetached(program, arguments);
    }
#endif

    bool CProcessCtrl::startDetached(const QString &program, const QStringList &arguments, bool withConsoleWindow)
    {
        if (withConsoleWindow) { return startDetachedWithConsoleWindow(program, arguments); }
        else { return QProcess::startDetached(program, arguments); }
    }

} // ns