#ifndef AUTH_H
#define AUTH_H

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

enum auth_state {
    auth_version,
    auth_ulen,
    auth_uname,
    auth_plen,
    auth_passwd,
    auth_done,
    auth_error_unsupported_version,
    auth_user_error
};

struct auth_parser {
    void (* on_username) (struct auth_parser * parser, char * username);
    void (* on_password) (struct auth_parser * parser, char * password);
    void * data;
    enum auth_state state;
    int user_pos;
    char * username;
    char idx;
    char password[255];
    uint8_t * verified;
    uint8_t remaining;
};

void auth_parser_init(struct auth_parser *p);

enum auth_state auth_parser_feed(struct auth_parser * p, uint8_t b);

enum auth_state auth_consume(buffer * b, struct auth_parser * p, bool * errored);

bool auth_is_done(enum auth_state state, bool * errored);

extern const char * auth_error(const struct auth_parser *p);

void auth_parser_close(struct auth_parser *p);

extern int auth_marshall(buffer * b, uint8_t status);

#endif