#ifndef PACKET_MOD
#define PACKET_MOD

#include <stdlib.h>
#include <complex.h>

#include <liquid/liquid.h>

#include "results.h"

typedef enum
{
	NOT_STARTED,
	DATA_RAW,
	DATA_CODED,
	DATA_MODULATED,
	HEADER_ADDED,
	PREAMBLE_ADDED,
} packet_mod_state_t;

typedef struct
{
	unsigned char *pkt_bytes;
	float complex *pkt_symbols;

	packet_mod_state_t state;

	modem modem;
	fec   fec;

	uint16_t raw_data_crc;

	size_t length;
} packet_mod_ctx_t;


result_t packet_mod_init(packet_mod_ctx_t *ctx);
result_t packet_mod_free(packet_mod_ctx_t *ctx);

result_t packet_mod_set_data(packet_mod_ctx_t *ctx, const unsigned char *data, size_t length);
result_t packet_mod_encode(packet_mod_ctx_t *ctx);
result_t packet_mod_modulate(packet_mod_ctx_t *ctx);
result_t packet_mod_add_header(packet_mod_ctx_t *ctx);
result_t packet_mod_add_preamble(packet_mod_ctx_t *ctx);

result_t packet_mod_dump(packet_mod_ctx_t *ctx, const char *filename);

result_t packet_mod_get_result_b(packet_mod_ctx_t *ctx, unsigned char *data, size_t *length);
result_t packet_mod_get_result_cf(packet_mod_ctx_t *ctx, float complex *data, size_t *length);

#endif // PACKET_MOD