/*
 queries.c : irssi

    Copyright (C) 1999-2000 Timo Sirainen

    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
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "module.h"
#include "signals.h"
#include "misc.h"

#include "queries.h"

GSList *queries;

typedef QUERY_REC *(*QUERY_FIND_FUNC)(SERVER_REC *, const char *);

void query_init(QUERY_REC *query, int automatic)
{
	g_return_if_fail(query != NULL);
	g_return_if_fail(query->name != NULL);

	queries = g_slist_append(queries, query);
	if (query->server != NULL) {
		query->server->queries =
			g_slist_append(query->server->queries, query);
	}

        MODULE_DATA_INIT(query);
	query->type = module_get_uniq_id("QUERY", 0);
	if (query->server != NULL)
		query->server_tag = g_strdup(query->server->tag);

	signal_emit("query created", 2, query, GINT_TO_POINTER(automatic));
}

void query_destroy(QUERY_REC *query)
{
	g_return_if_fail(IS_QUERY(query));

        if (query->destroying) return;
	query->destroying = TRUE;

	queries = g_slist_remove(queries, query);
	if (query->server != NULL) {
		query->server->queries =
			g_slist_remove(query->server->queries, query);
	}
	signal_emit("query destroyed", 1, query);

        MODULE_DATA_DEINIT(query);
        g_free_not_null(query->address);
	g_free(query->name);
        g_free(query->server_tag);
	g_free(query);
}

static QUERY_REC *query_find_server(SERVER_REC *server, const char *nick)
{
	GSList *tmp;

	g_return_val_if_fail(IS_SERVER(server), NULL);

	if (server->query_find_func != NULL) {
		/* use the server specific query find function */
		QUERY_FIND_FUNC query_find_func;
		query_find_func = (QUERY_FIND_FUNC) server->query_find_func;
		return query_find_func(server, nick);
	}

	for (tmp = server->queries; tmp != NULL; tmp = tmp->next) {
		QUERY_REC *rec = tmp->data;

		if (rec->chat_type == server->chat_type &&
		    g_strcasecmp(nick, rec->name) == 0)
			return rec;
	}

	return NULL;
}

QUERY_REC *query_find(SERVER_REC *server, const char *nick)
{
	g_return_val_if_fail(server == NULL || IS_SERVER(server), NULL);
	g_return_val_if_fail(nick != NULL, NULL);

	if (server != NULL)
		return query_find_server(server, nick);

	/* find from any server */
	return gslist_foreach_find(servers,
				   (FOREACH_FIND_FUNC) query_find_server,
				   (void *) nick);
}

void query_change_server(QUERY_REC *query, SERVER_REC *server)
{
	g_return_if_fail(IS_QUERY(query));

	query->server = server;
	signal_emit("query server changed", 2, query, server);
}

void queries_init(void)
{
}

void queries_deinit(void)
{
	module_uniq_destroy("QUERY");
}