#pragma once 
#include <stdint.h>
enum chello_parse_result
{
	CHELLO_PARSE_SUCCESS = 0,
	CHELLO_PARSE_INVALID_FORMAT = -1,
	CHELLO_PARSE_NOT_ENOUGH_BUFF = -2
};

struct ssl_version
{
	uint8_t minor;
	uint8_t major;
	uint16_t ossl_format;
};

struct ssl_chello
{
	struct ssl_version min_version;
	struct ssl_version max_version;

	char *sni;
	char *alpn;
	char *sign_algos;
	uint16_t sign_algos_len;
	char *supported_groups;
	uint16_t supported_groups_len;
	char *cipher_suites;
	uint16_t cipher_suites_len;
};
struct ssl_chello* ssl_chello_parse(const unsigned char* buff, size_t buff_len, enum chello_parse_result* result);

void ssl_chello_free(struct ssl_chello* chello);

void ssl_cipher_suites_to_name(const char *source, int source_len, char *result_common, size_t sz_common, char *result_tls13, size_t sz_tls13);