/*
 *
 * Copyright (C) 2023 Intel Corporation
 *
 * Part of the Unified-Runtime Project, under the Apache License v2.0 with LLVM
 * Exceptions. See LICENSE.TXT
 *
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 *
 */

/* This include needs to be before Libloaderapi.h */
#include <windows.h>

#include <Libloaderapi.h>

#include "ur_filesystem_resolved.hpp"
#include "ur_loader.hpp"

#define MAX_PATH_LEN_WIN 32767

namespace fs = filesystem;

namespace ur_loader {

std::optional<fs::path> getLoaderLibPath() {
  HMODULE hModule = NULL;
  char pathStr[MAX_PATH_LEN_WIN];

  if (GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
                            GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
                        reinterpret_cast<LPCSTR>(&getLoaderLibPath),
                        &hModule) &&
      GetModuleFileNameA(hModule, pathStr, MAX_PATH_LEN_WIN)) {
    auto libPath = fs::path(pathStr);
    if (fs::exists(libPath)) {
      return fs::absolute(libPath).parent_path();
    }
  }

  return std::nullopt;
}

std::optional<fs::path> getAdapterNameAsPath(std::string adapterName) {
  return std::nullopt;
}

} // namespace ur_loader