// Copyright 2010-2014, Google Inc.
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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#include "base/update_util.h"

#ifdef OS_WIN
#include <windows.h>
#endif  // OS_WIN

namespace mozc {

bool UpdateUtil::WriteActiveUsageInfo() {
#ifndef GOOGLE_JAPANESE_INPUT_BUILD
  return false;
#endif  // !GOOGLE_JAPANESE_INPUT_BUILD

#ifdef OS_WIN
  const wchar_t kOmahaUsageKey[] = L"Software\\Google\\Update\\ClientState\\"
                                   L"{DDCCD2A9-025E-4142-BCEB-F467B88CF830}";
  HKEY key;
  LONG result = RegCreateKeyExW(HKEY_CURRENT_USER,
                                kOmahaUsageKey,
                                0,
                                NULL,
                                0,
                                KEY_WRITE,
                                NULL,
                                &key,
                                NULL);
  if (ERROR_SUCCESS != result) {
    return false;
  }
  const wchar_t kDidRunName[] = L"dr";
  const wchar_t kDidRunValue[] = L"1";
  result = RegSetValueExW(key,
                          kDidRunName,
                          0,
                          REG_SZ,
                          reinterpret_cast<const BYTE *>(kDidRunValue),
                          sizeof(kDidRunValue));
  RegCloseKey(key);
  return ERROR_SUCCESS == result;
#else
  // TODO(mazda): Implement Mac version
  return false;
#endif
}

}  // namespace mozc