#pragma once
#include <windows.h>
#include <atomic>
#include <string>

class PipeClient {
public:
    // Retries every 100 ms, up to 50 attempts (~5 s total). Returns true iff pipe is open.
    // Phase 16 VRCH-01 fix: default pipe is \\.\pipe\beyond_backglow_daemon, the
    // dedicated daemon pipe (inbound, multi-message, no response). The Phase 14
    // CLI pipe \\.\pipe\beyond_proximity_ctl does FlushFileBuffers + DisconnectNamedPipe
    // on every message — fatal for the daemon's fire-and-forget 90 Hz stream.
    bool Connect(const char* pipeName = "\\\\.\\pipe\\beyond_backglow_daemon");
    // Fire-and-forget message-mode write; 100 ms overlapped timeout; on failure closes handle.
    bool SendCommand(const char* line);
    bool IsConnected() const { return m_hPipe != INVALID_HANDLE_VALUE; }
    void Close();
    ~PipeClient();

private:
    HANDLE m_hPipe{INVALID_HANDLE_VALUE};
    // IN-05 (re-review): reuse a single manual-reset Event across all
    // overlapped writes rather than CreateEventW/CloseHandle on every
    // SendCommand. At 90 Hz the per-tick alloc pair was ~180 syscalls/s of
    // pure waste. Also eliminates the small race window between CancelIo and
    // CloseHandle(ov.hEvent) on the write-timeout path. Owned by Connect() /
    // Close().
    HANDLE m_hEvent{NULL};
};