/*
 * NNChat - Custom chat client for NewbieNudes.com chatrooms
 * Written by Matti 'ccr' Hämäläinen
 * (C) Copyright 2008-2012 Tecnic Software productions (TNSP)
 */
#ifndef LIBNNUTIL_H
#define LIBNNUTIL_H

#include <stdio.h>
#include <unistd.h>
#include "th_types.h"
#include "th_string.h"


#define NN_TMPBUF_SIZE    (4096)
#define NN_ALLOC_SIZE     (128)
#define NN_NUM_BUCKETS    (256)
#define NN_BACKBUF_LEN    (512)       /* Backbuffer size (in lines) */


typedef struct _nn_user_t
{
    char *name;
    time_t lastspoke, joined;
    struct _nn_user_t *next;
} nn_user_t;


typedef struct
{
    nn_user_t *buckets[NN_NUM_BUCKETS];
} nn_userhash_t;


nn_userhash_t *nn_userhash_new(void);
nn_user_t * nn_userhash_foreach(const nn_userhash_t *, int (*func)(const nn_user_t *));
nn_user_t * nn_user_match(const nn_userhash_t *list, const char *str, const char *current, BOOL again);
int         nn_userhash_insert(nn_userhash_t *, const char *name);
int         nn_userhash_delete(nn_userhash_t *, const char *name);
void        nn_userhash_free(nn_userhash_t *);
void        nn_user_free(nn_user_t *);
void        nn_user_free_list(nn_user_t *);
nn_user_t * nn_user_copy(const nn_user_t *src);
nn_user_t * nn_user_find(const nn_userhash_t *list, const char *name);


char *      nn_encode_str1(const char *str);
char *      nn_decode_str1(const char *str);
char *      nn_encode_str2(const char *str);
char *      nn_decode_str2(const char *str);
char *      nn_strip_tags(const char *str);
char *      nn_dbldecode_str(const char *str);
char *      nn_dblencode_str(const char *str);

char *      nn_username_encode(char *str);
char *      nn_username_decode(char *str);


typedef struct
{
    ssize_t pos, len, size;
    char *data;
} nn_editbuf_t;

int         nn_editbuf_write(nn_editbuf_t *buf, ssize_t pos, int ch);
int         nn_editbuf_insert(nn_editbuf_t *buf, ssize_t pos, int ch);
int         nn_editbuf_delete(nn_editbuf_t *buf, ssize_t pos);
void        nn_editbuf_clear(nn_editbuf_t *buf);
nn_editbuf_t * nn_editbuf_new(ssize_t n);
void        nn_editbuf_free(nn_editbuf_t *buf);
nn_editbuf_t * nn_editbuf_copy(nn_editbuf_t *src);
void        nn_editbuf_setpos(nn_editbuf_t *buf, ssize_t pos);
char *      nn_editbuf_get_string(nn_editbuf_t *buf, ssize_t start, ssize_t end);


typedef struct
{
    qringbuf_t *data;   /* "Backbuffer" data for this window */
    int pos;            /* Current position in the window, 0 = real time */
    BOOL dirty;

    char *id;           /* Chatter ID, NULL = main window */
    int num;		/* Window number */

    char *buf;
    size_t len, bufsize;
    size_t chlen;
} nn_window_t;

nn_window_t *nn_window_new(const char *);
void        nn_window_free(nn_window_t *);


typedef struct
{
    size_t len;
    char *str;
} nn_strtuple_t;


nn_strtuple_t *nn_strtuple_new(size_t, char *);
void nn_strtuple_free(nn_strtuple_t *);

#endif