#ifndef PROTOCOL_H
#define PROTOCOL_H

#include <time.h>
#include <stdbool.h>

#include "array.h"
#include "better_string.h"
#include "hash_table.h"
#include <openssl/sha.h>

#define MAX_OP_LEN 10
#define MAX_ARG_LEN 50
#define MAX_ARGS 5
#define MAX_BUFSIZE 4096
#define DEFAULT_PORT 11111
#define MAX_CONNECTIONS 32768
#define DEFAULT_TIMEOUT 6000
#define USERNAME_SIZE 30
#define KEYLEN 512

typedef struct {
  string_t *nick;
  bool is_guest;
  int fd;

  /* list of channels where user is in */
  array_t *channels;
  array_t *dms;
  array_t *autojoin;
  unsigned char passhash[SHA256_DIGEST_LENGTH];
} user_t;

typedef struct {
  string_t *nick;
  string_t *msg;
  time_t time;
} message_t;

typedef struct {
  array_t *messages;

  user_t *admin;
  array_t *mods;

  bool registered_only;

  bool invite_only;
  array_t *allowed_users;

  array_t *users;

  string_t *chan_name;
  string_t *desc;
} channel_t;

typedef struct {
  user_t *user1;
  user_t *user2;

  array_t *messages;
} dm_t;

string_t *encode_chanstate(ht_t *chans);

string_t *encode_usersstate(ht_t *u);

#endif