/********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2004 Wilmer van der Gaast and others                *
  \********************************************************************/

/* Stuff to handle, save and search buddies                             */

/*
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License with
  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
  if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  Suite 330, Boston, MA  02111-1307  USA
*/

#define BITLBEE_CORE
#include "bitlbee.h"

user_t *user_add( irc_t *irc, char *nick )
{
	user_t *u, *lu = NULL;
	char *key;
	
	if( !nick_ok( nick ) )
		return( NULL );
	
	if( user_find( irc, nick ) != NULL )
		return( NULL );
	
	return( u );
}

int user_del( irc_t *irc, char *nick )
{
	user_t *u, *t;
	char *key;
	gpointer okey, ovalue;
	
	if( !nick_ok( nick ) )
		return( 0 );
	
	u = irc->users;
	t = NULL;
	while( u )
	{
		if( nick_cmp( u->nick, nick ) == 0 )
		{
			/* Get this key now already, since "nick" might be free()d
			   at the time we start playing with the hash... */
			key = g_strdup( nick );
			nick_lc( key );
			
			if( t )
				t->next = u->next;
			else
				irc->users = u->next;
			if( u->online )
				irc_kill( irc, u );
			g_free( u->nick );
			if( u->nick != u->user ) g_free( u->user );
			if( u->nick != u->host ) g_free( u->host );
			if( u->nick != u->realname ) g_free( u->realname );
			g_free( u->group );
			g_free( u->away );
			g_free( u->handle );
			g_free( u->sendbuf );
			if( u->sendbuf_timer ) b_event_remove( u->sendbuf_timer );
			g_free( u );
			
			return( 1 );
		}
		u = (t=u)->next;
	}
	
	return( 0 );
}

user_t *user_findhandle( struct im_connection *ic, const char *handle )
{
	user_t *u;
	char *nick;
	
	/* First, let's try a hash lookup. If it works, it's probably faster. */
	if( ( nick = g_hash_table_lookup( ic->acc->nicks, handle ) ) &&
	    ( u = user_find( ic->irc, nick ) ) &&
	    ( ic->acc->prpl->handle_cmp( handle, u->handle ) == 0 ) )
		return u;
	
	/* However, it doesn't always work, so in that case we'll have to dig
	   through the whole userlist. :-( */
	for( u = ic->irc->users; u; u = u->next )
		if( u->ic == ic && u->handle && ic->acc->prpl->handle_cmp( u->handle, handle ) == 0 )
			return u;
	
	return NULL;
}