/*

 *

 *

 *

 */

#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;

}

int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,

                       LPTSTR lpCmdLine, int nCmdShow) {

    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(argc, argv) == true) {

            result = 0;

            if (stop != NULL) {

                stop();

            }

        }

        ::FreeLibrary(library);

    }

    if (argv != NULL) {

        LocalFree(argv);

    }

    return result;

}