// Copyright Joyent, Inc. and other Node contributors.

//

// Permission is hereby granted, free of charge, to any person obtaining a

// copy of this software and associated documentation files (the

// "Software"), to deal in the Software without restriction, including

// without limitation the rights to use, copy, modify, merge, publish,

// distribute, sublicense, and/or sell copies of the Software, and to permit

// persons to whom the Software is furnished to do so, subject to the

// following conditions:

//

// The above copyright notice and this permission notice shall be included

// in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN

// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE

// USE OR OTHER DEALINGS IN THE SOFTWARE.

#include "node.h"

#include <cstdio>

#ifdef _WIN32

#include <windows.h>

#include <VersionHelpers.h>

#include <WinError.h>

#define SKIP_CHECK_VAR "NODE_SKIP_PLATFORM_CHECK"

#define SKIP_CHECK_SIZE 1

#define SKIP_CHECK_VALUE "1"

int wmain(int argc, wchar_t* wargv[]) {

  // Windows Server 2012 (not R2) is supported until 10/10/2023, so we allow it

  // to run in the experimental support tier.

  char buf[SKIP_CHECK_SIZE + 1];

  if (!IsWindows8Point1OrGreater() &&

      !(IsWindowsServer() && IsWindows8OrGreater()) &&

      (GetEnvironmentVariableA(SKIP_CHECK_VAR, buf, sizeof(buf)) !=

       SKIP_CHECK_SIZE ||

       strncmp(buf, SKIP_CHECK_VALUE, SKIP_CHECK_SIZE + 1) != 0)) {

    fprintf(stderr, "Node.js is only supported on Windows 8.1, Windows "

                    "Server 2012 R2, or higher.\n"

                    "Setting the " SKIP_CHECK_VAR " environment variable "

                    "to 1 skips this\ncheck, but Node.js might not execute "

                    "correctly. Any issues encountered on\nunsupported "

                    "platforms will not be fixed.");

    exit(ERROR_EXE_MACHINE_TYPE_MISMATCH);

  }

  // Convert argv to UTF8

  char** argv = new char*[argc + 1];

  for (int i = 0; i < argc; i++) {

    // Compute the size of the required buffer

    DWORD size = WideCharToMultiByte(CP_UTF8,

                                     0,

                                     wargv[i],

                                     -1,

                                     nullptr,

                                     0,

                                     nullptr,

                                     nullptr);

    if (size == 0) {

      // This should never happen.

      fprintf(stderr, "Could not convert arguments to utf8.");

      exit(1);

    }

    // Do the actual conversion

    argv[i] = new char[size];

    DWORD result = WideCharToMultiByte(CP_UTF8,

                                       0,

                                       wargv[i],

                                       -1,

                                       argv[i],

                                       size,

                                       nullptr,

                                       nullptr);

    if (result == 0) {

      // This should never happen.

      fprintf(stderr, "Could not convert arguments to utf8.");

      exit(1);

    }

  }

  argv[argc] = nullptr;

  // Now that conversion is done, we can finally start.

  return node::Start(argc, argv);

}

#else

// UNIX

}

#endif