/*

 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include <Windows.h>

#include <Shellapi.h>

#include <locale.h>

#include <tchar.h>

#include <string>

#define PACKAGER_LIBRARY TEXT("packager.dll")

typedef bool (*start_launcher)(int argc, TCHAR* argv[]);

typedef void (*stop_launcher)();

std::wstring GetTitle() {

    std::wstring result;

    wchar_t buffer[MAX_PATH];

    GetModuleFileName(NULL, buffer, MAX_PATH - 1);

    buffer[MAX_PATH - 1] = '\0';

    result = buffer;

    size_t slash = result.find_last_of('\\');

    if (slash != std::wstring::npos)

        result = result.substr(slash + 1, result.size() - slash - 1);

    return result;

}

#ifdef LAUNCHERC

int main(int argc0, char *argv0[]) {

#else // LAUNCHERC

int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,

                       LPTSTR lpCmdLine, int nCmdShow) {

#endif // LAUNCHERC

    int result = 1;

    TCHAR **argv;

    int argc;

    // [RT-31061] otherwise UI can be left in back of other windows.

    ::AllowSetForegroundWindow(ASFW_ANY);

    ::setlocale(LC_ALL, "en_US.utf8");

    argv = CommandLineToArgvW(GetCommandLine(), &argc);

    HMODULE library = ::LoadLibrary(PACKAGER_LIBRARY);

    if (library == NULL) {

        std::wstring title = GetTitle();

        std::wstring description = std::wstring(PACKAGER_LIBRARY)

                + std::wstring(TEXT(" not found."));

        MessageBox(NULL, description.data(),

                title.data(), MB_ICONERROR | MB_OK);

    }

    else {

        start_launcher start =

                (start_launcher)GetProcAddress(library, "start_launcher");

        stop_launcher stop =

                (stop_launcher)GetProcAddress(library, "stop_launcher");

        if (start != NULL && stop != NULL) {

            if (start(argc, argv) == true) {

                result = 0;

                stop();

            }

        }

        ::FreeLibrary(library);

    }

    if (argv != NULL) {

        LocalFree(argv);

    }

    return result;

}