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#include <windows.h>

#include "win32/base/imm_registrar.h"
#include "win32/base/uninstall_helper.h"

namespace mozc {
namespace win32 {
namespace {

const int kErrorLevelSuccess = 0;
const int kErrorLevelGeneralError = 1;

}  // namespace

int RunRegisterIME(int argc, char *argv[]) {
  const wstring ime_path = ImmRegistrar::GetFullPathForIME();
  if (ime_path.empty()) {
    return kErrorLevelGeneralError;
  }
  const wstring ime_filename = ImmRegistrar::GetFileNameForIME();

  const wstring layout_name = ImmRegistrar::GetLayoutName();
  if (layout_name.empty()) {
    return kErrorLevelGeneralError;
  }

  // Install IME and obtain the corresponding HKL value.
  HKL hkl = nullptr;
  HRESULT result = mozc::win32::ImmRegistrar::Register(
      ime_filename, layout_name, ime_path,
      ImmRegistrar::GetLayoutDisplayNameResourceId(), &hkl);
  if (result != S_OK) {
    return kErrorLevelGeneralError;
  }

  return kErrorLevelSuccess;
}

int RunUnregisterIME(int argc, char *argv[]) {
  UninstallHelper::RestoreUserIMEEnvironmentMain();

  const wstring ime_filename = ImmRegistrar::GetFileNameForIME();
  if (ime_filename.empty()) {
    return kErrorLevelGeneralError;
  }
  ImmRegistrar::Unregister(ime_filename);

  return kErrorLevelSuccess;
}
}  // namespace win32
}  // namespace mozc