/*
 * rt_capture.h
 * WPA/WPA2 4-way handshake (EAPOL) capture for offline cracking.
 */
#pragma once

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

#ifdef __cplusplus
extern "C" {
#endif

#define RT_CAPTURE_MAX_EAPOL_LEN 256

/* Captured EAPOL frame */
typedef struct {
    uint8_t  data[RT_CAPTURE_MAX_EAPOL_LEN];
    size_t   len;
    uint8_t  msg_num; /* 1-4 for each handshake message */
} rt_eapol_frame_t;

/* Capture result */
typedef struct {
    uint8_t          bssid[6];
    uint8_t          client[6];
    rt_eapol_frame_t frames[4]; /* M1..M4 */
    uint8_t          captured;  /* bitmask: bit 0=M1, bit 1=M2, etc. */
    bool             complete;  /* all 4 messages captured */
} rt_capture_result_t;

/*
 * Start handshake capture.
 *   bssid       – target AP BSSID (6 bytes)
 *   channel     – WiFi channel (1-13), 0 = current
 *   send_deauth – if true, send a few deauth frames to force reconnection
 */
void rt_capture_start(const uint8_t bssid[6], uint8_t channel, bool send_deauth);

/* Stop capture. */
void rt_capture_stop(void);

/* True if capture is running. */
bool rt_capture_is_active(void);

/* Get the current capture result (may be incomplete). */
const rt_capture_result_t *rt_capture_get_result(void);

#ifdef __cplusplus
}
#endif