/*
 * @Author: DI JUNKUN
 * @Date: 2026-04-21
 * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
 */

#ifndef _SESSION_HELPER_SHARED_H_
#define _SESSION_HELPER_SHARED_H_

#include <Windows.h>

#include <cstdint>
#include <string>

namespace crossdesk {

inline constexpr wchar_t kCrossDeskSessionHelperPipePrefix[] =
    L"\\\\.\\pipe\\CrossDeskSessionHelper-";
inline constexpr wchar_t kCrossDeskSecureInputHelperPipePrefix[] =
    L"\\\\.\\pipe\\CrossDeskSecureInputHelper-";
inline constexpr char kCrossDeskSessionHelperStatusCommand[] = "status";
inline constexpr char kCrossDeskSecureInputKeyboardCommandPrefix[] =
    "keyboard:";
inline constexpr char kCrossDeskSecureInputMouseCommandPrefix[] = "mouse:";
inline constexpr char kCrossDeskSecureInputCaptureCommandPrefix[] = "capture:";
inline constexpr char kCrossDeskSecureInputCaptureStartCommandPrefix[] =
    "capture-start:";
inline constexpr char kCrossDeskSecureInputCaptureStopCommand[] =
    "capture-stop";
inline constexpr DWORD kCrossDeskSecureInputPipeBufferBytes = 16 * 1024 * 1024;
inline constexpr wchar_t kCrossDeskSecureDesktopFrameMappingPrefix[] =
    L"Global\\CrossDeskSecureDesktopFrame-";
inline constexpr wchar_t kCrossDeskSecureDesktopFrameReadyEventPrefix[] =
    L"Global\\CrossDeskSecureDesktopFrameReady-";
inline constexpr uint32_t kCrossDeskSecureDesktopFrameMagic = 0x50444358;
inline constexpr uint32_t kCrossDeskSecureDesktopFrameVersion = 1;

#pragma pack(push, 1)
struct CrossDeskSecureDesktopFrameHeader {
  uint32_t magic;
  uint32_t version;
  int32_t left;
  int32_t top;
  uint32_t width;
  uint32_t height;
  uint32_t payload_size;
};

struct CrossDeskSecureDesktopSharedFrameHeader {
  uint32_t magic;
  uint32_t version;
  volatile uint32_t writing;
  uint32_t sequence;
  int32_t left;
  int32_t top;
  uint32_t width;
  uint32_t height;
  uint32_t payload_size;
  uint32_t buffer_size;
};
#pragma pack(pop)

inline std::wstring GetCrossDeskSessionHelperPipeName(DWORD session_id) {
  return std::wstring(kCrossDeskSessionHelperPipePrefix) +
         std::to_wstring(session_id);
}

inline std::wstring GetCrossDeskSecureInputHelperPipeName(DWORD session_id) {
  return std::wstring(kCrossDeskSecureInputHelperPipePrefix) +
         std::to_wstring(session_id);
}

inline std::wstring GetCrossDeskSecureDesktopFrameMappingName(
    DWORD session_id) {
  return std::wstring(kCrossDeskSecureDesktopFrameMappingPrefix) +
         std::to_wstring(session_id);
}

inline std::wstring GetCrossDeskSecureDesktopFrameReadyEventName(
    DWORD session_id) {
  return std::wstring(kCrossDeskSecureDesktopFrameReadyEventPrefix) +
         std::to_wstring(session_id);
}

}  // namespace crossdesk

#endif