/* Copyright (C) 2017
 * Swift Project Community / Contributors
 *
 * This file is part of Swift Project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
 * including this file, may be copied, modified, propagated, or distributed except according to the terms
 * contained in the LICENSE file.
 */

//! \file

#ifndef BLACKMISC_WINDLLUTILS_H
#define BLACKMISC_WINDLLUTILS_H

#include "blackmiscexport.h"
#include <QString>

namespace BlackMisc
{
    //! Functions dealing with Windows DLLs
    class BLACKMISC_EXPORT CWinDllUtils
    {
    public:
        //! No ctor
        CWinDllUtils() = delete;

        //! Info about an DLL
        struct DLLInfo
        {
            QString iso;                //!< language iso code
            QString errorMsg;           //!< error message if any
            QString fileVersion;        //!< file version, like 3.2.1.3
            QString fileDescription;    //!< file description
            QString productVersion;     //!< product version, like 3.2.1.3
            QString productVersionName; //!< version and name
            QString productName;        //!< product name
            QString originalFilename;   //!< original filename
            QString fullFilename;       //!< full filename and path

            //! Product or file version
            const QString &productOrFileVersion() const
            {
                if (!productVersionName.isEmpty()) { return productVersionName; }
                if (!productVersion.isEmpty()) { return productVersion; }
                return fileVersion;
            }

            //! Summary
            QString summary() const
            {
                if (!errorMsg.isEmpty()) { return errorMsg; }
                static const QString s("Product: '%1' version: %2 language: %3 filename: '%4'");
                return s.arg(productName, productOrFileVersion(), iso, fullFilename);
            }
        };

        //! Process modules
        struct ProcessModule
        {
            QString moduleName;    //!< module / dll name
            QString executable;    //!< full executable path
            qint64 processId = -1; //!< pid
        };

        //! Get DDL
        static DLLInfo getDllInfo(const QString &dllFile);

        //! Process modules per id
        static QList<ProcessModule> getModules(qint64 processId = -1, const QString &nameFilter = {});
    };
} // ns
#endif // guard