#pragma once

// ==============================================================================
// C ABI bridge between the C++ protocol stack and the Swift app layer
// ==============================================================================
// This header is imported into Swift via -import-objc-header, so it must stay
// pure C (no C++ types). The C++ modules implement these entry points.
// ==============================================================================

#include <stdbool.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

// Human-readable version string of the protocol stack.
const char *xone_version(void);

// TRUE if an Xbox Wireless Dongle is connected, FALSE otherwise.
bool xone_dongle_present(void);

// Opaque handle to an open dongle session (probe + firmware load).
// Create with xone_open(); call the getters from the thread that opened
// it, and before xone_close(). Only one session may be open at a time.
typedef struct xone_dongle xone_dongle;

// Open a dongle session: probe, USB reset, and (if firmware_path is not
// NULL) load the firmware image from that file. Returns NULL if no dongle
// is present or opening fails.
xone_dongle *xone_open(const char *firmware_path);

// Close the session and release the dongle.
void xone_close(xone_dongle *d);

// Product ID of the connected dongle (e.g. 0x02E6).
uint16_t xone_pid(const xone_dongle *d);

// Chip ID from EFUSE (e.g. 0x7612 for MT7612). 0 if unknown.
uint16_t xone_chip_id(const xone_dongle *d);

// MAC address from EFUSE as "xx:xx:xx:xx:xx:xx". Valid until xone_close().
const char *xone_mac_address(const xone_dongle *d);

// Build string of the loaded firmware image (e.g. "201703281033____").
// Empty string if the firmware was not loaded. Valid until xone_close().
const char *xone_firmware_build(const xone_dongle *d);

#ifdef __cplusplus
}
#endif