/**
 * @file qq.c
 *
 * purple
 *
 * Purple is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 */

#include "internal.h"

#include "accountopt.h"
#include "debug.h"
#include "notify.h"
#include "prefs.h"
#include "prpl.h"
#include "privacy.h"
#include "request.h"
#include "roomlist.h"
#include "server.h"
#include "util.h"

#include "buddy_info.h"
#include "buddy_memo.h"
#include "buddy_opt.h"
#include "buddy_list.h"
#include "char_conv.h"
#include "group.h"
#include "group_im.h"
#include "group_info.h"
#include "group_join.h"
#include "group_opt.h"
#include "group_internal.h"
#include "qq_define.h"
#include "im.h"
#include "qq_process.h"
#include "qq_base.h"
#include "packet_parse.h"
#include "qq.h"
#include "qq_network.h"
#include "send_file.h"
#include "utils.h"
#include "version.h"

#define OPENQ_VERSION 		"0.3.2-p20" 

static GList *server_list_build(gchar select)
{
	GList *list = NULL;

	if ( select == 'T' || select == 'A') {
		list = g_list_append(list, "tcpconn.tencent.com:8000");
		list = g_list_append(list, "tcpconn2.tencent.com:8000");
		list = g_list_append(list, "tcpconn3.tencent.com:8000");
		list = g_list_append(list, "tcpconn4.tencent.com:8000");
		list = g_list_append(list, "tcpconn5.tencent.com:8000");
		list = g_list_append(list, "tcpconn6.tencent.com:8000");
	}
	if ( select == 'U' || select == 'A') {
		list = g_list_append(list, "sz.tencent.com:8000");
		list = g_list_append(list, "sz2.tencent.com:8000");
		list = g_list_append(list, "sz3.tencent.com:8000");
		list = g_list_append(list, "sz4.tencent.com:8000");
		list = g_list_append(list, "sz5.tencent.com:8000");
		list = g_list_append(list, "sz6.tencent.com:8000");
		list = g_list_append(list, "sz7.tencent.com:8000");
		list = g_list_append(list, "sz8.tencent.com:8000");
		list = g_list_append(list, "sz9.tencent.com:8000");
	}
	return list;
}

static void server_list_create(PurpleAccount *account)
{
	PurpleConnection *gc;
	qq_data *qd;
	PurpleProxyInfo *gpi;
	const gchar *custom_server;

	gc = purple_account_get_connection(account);
	g_return_if_fail(gc != NULL  && gc->proto_data != NULL);
	qd = gc->proto_data;

	gpi = purple_proxy_get_setup(account);

	qd->use_tcp = purple_account_get_bool(account, "use_tcp", TRUE);

	custom_server = purple_account_get_string(account, "server", NULL);

	if (custom_server != NULL) {
		purple_debug_info("QQ", "Select server '%s'\n", custom_server);
		if (*custom_server != '\0' && g_ascii_strcasecmp(custom_server, "auto") != 0) {
			qd->servers = g_list_append(qd->servers, g_strdup(custom_server));
			return;
		}
	}

	if (qd->use_tcp) {
		qd->servers =	server_list_build('T');
		return;
	}

	qd->servers =	server_list_build('U');
}

static void server_list_remove_all(qq_data *qd)
{
	g_return_if_fail(qd != NULL);

	purple_debug_info("QQ", "free server list\n");
	g_list_free(qd->servers);
	qd->curr_server = NULL;
}

static void qq_login(PurpleAccount *account)
{
	PurpleConnection *gc;
	qq_data *qd;
	PurplePresence *presence;
	const gchar *version_str;

	g_return_if_fail(account != NULL);

	gc = purple_account_get_connection(account);
	g_return_if_fail(gc != NULL);

	gc->flags |= PURPLE_CONNECTION_HTML | PURPLE_CONNECTION_NO_BGCOLOR | PURPLE_CONNECTION_AUTO_RESP;

	qd = g_new0(qq_data, 1);
	memset(qd, 0, sizeof(qq_data));
	qd->gc = gc;
	gc->proto_data = qd;

	presence = purple_account_get_presence(account);
	if(purple_presence_is_status_primitive_active(presence, PURPLE_STATUS_INVISIBLE)) {
		qd->login_mode = QQ_LOGIN_MODE_HIDDEN;
	} else if(purple_presence_is_status_primitive_active(presence, PURPLE_STATUS_AWAY)
			|| purple_presence_is_status_primitive_active(presence, PURPLE_STATUS_EXTENDED_AWAY)) {
		qd->login_mode = QQ_LOGIN_MODE_AWAY;
	} else {
		qd->login_mode = QQ_LOGIN_MODE_NORMAL;
	}

	server_list_create(account);
	purple_debug_info("QQ", "Server list has %d\n", g_list_length(qd->servers));

	version_str = purple_account_get_string(account, "client_version", NULL);
	qd->client_tag = QQ_CLIENT_0D55;	/* set default as QQ2005 */
	qd->client_version = 2005;
	if (version_str != NULL && strlen(version_str) != 0) {
		if (strcmp(version_str, "qq2007") == 0) {
			qd->client_tag = QQ_CLIENT_111D;
			qd->client_version = 2007;
		} else if (strcmp(version_str, "qq2008") == 0) {
			qd->client_tag = QQ_CLIENT_115B;
			qd->client_version = 2008;
		}
	}

	qd->is_show_notice = purple_account_get_bool(account, "show_notice", TRUE);
	qd->is_show_news = purple_account_get_bool(account, "show_news", TRUE);
	qd->is_show_chat = purple_account_get_bool(account, "show_chat", TRUE);

	qd->resend_times = purple_prefs_get_int("/plugins/prpl/qq/resend_times");
	if (qd->resend_times <= 1) qd->itv_config.resend = 4;

	qd->itv_config.resend = purple_prefs_get_int("/plugins/prpl/qq/resend_interval");
	if (qd->itv_config.resend <= 0) qd->itv_config.resend = 3;
	purple_debug_info("QQ", "Resend interval %d, retries %d\n",
			qd->itv_config.resend, qd->resend_times);

	qd->itv_config.keep_alive = purple_account_get_int(account, "keep_alive_interval", 60);
	if (qd->itv_config.keep_alive < 30) qd->itv_config.keep_alive = 30;
	qd->itv_config.keep_alive /= qd->itv_config.resend;
	qd->itv_count.keep_alive = qd->itv_config.keep_alive;

	qd->itv_config.update = purple_account_get_int(account, "update_interval", 300);
	if (qd->itv_config.update > 0) {
		if (qd->itv_config.update < qd->itv_config.keep_alive) {
			qd->itv_config.update = qd->itv_config.keep_alive;
		}
		qd->itv_config.update /= qd->itv_config.resend;
		qd->itv_count.update = qd->itv_config.update;
	} else {
		qd->itv_config.update = 0;
	}

	qd->connect_watcher = purple_timeout_add_seconds(0, qq_connect_later, gc);
}

/* clean up the given QQ connection and free all resources */
static void qq_close(PurpleConnection *gc)
{
	qq_data *qd;

	g_return_if_fail(gc != NULL  && gc->proto_data);
	qd = gc->proto_data;

	if (qd->check_watcher > 0) {
		purple_timeout_remove(qd->check_watcher);
		qd->check_watcher = 0;
	}

	if (qd->connect_watcher > 0) {
		purple_timeout_remove(qd->connect_watcher);
		qd->connect_watcher = 0;
	}

	qq_disconnect(gc);

	if (qd->redirect) g_free(qd->redirect);
	if (qd->ld.token) g_free(qd->ld.token);
	if (qd->ld.token_ex) g_free(qd->ld.token_ex);
	if (qd->captcha.token) g_free(qd->captcha.token);
	if (qd->captcha.data) g_free(qd->captcha.data);

	server_list_remove_all(qd);

	g_free(qd);
	gc->proto_data = NULL;
}

/* returns the icon name for a buddy or protocol */
static const gchar *qq_list_icon(PurpleAccount *a, PurpleBuddy *b)
{
	return "qq";
}


/* a short status text beside buddy icon*/
static gchar *qq_status_text(PurpleBuddy *b)
{
	qq_buddy_data *bd;
	GString *status;

	bd = (qq_buddy_data *) b->proto_data;
	if (bd == NULL)
		return NULL;

	status = g_string_new("");

	switch(bd->status) {
		case QQ_BUDDY_OFFLINE:
			g_string_append(status, _("Offline"));
			break;
		case QQ_BUDDY_ONLINE_NORMAL:
			g_string_append(status, _("Online"));
			break;
			/* TODO What does this status mean? Labelling it as offline... */
		case QQ_BUDDY_CHANGE_TO_OFFLINE:
			g_string_append(status, _("Offline"));
			break;
		case QQ_BUDDY_ONLINE_AWAY:
			g_string_append(status, _("Away"));
			break;
		case QQ_BUDDY_ONLINE_INVISIBLE:
			g_string_append(status, _("Invisible"));
			break;
		case QQ_BUDDY_ONLINE_BUSY:
			g_string_append(status, _("Busy"));
			break;
		default:
			g_string_printf(status, _("Unknown-%d"), bd->status);
	}

	return g_string_free(status, FALSE);
}


/* a floating text when mouse is on the icon, show connection status here */
static void qq_tooltip_text(PurpleBuddy *b, PurpleNotifyUserInfo *user_info, gboolean full)
{
	qq_buddy_data *bd;
	gchar *tmp;
	GString *str;

	g_return_if_fail(b != NULL);

	bd = (qq_buddy_data *) b->proto_data;
	if (bd == NULL)
		return;

	/* if (PURPLE_BUDDY_IS_ONLINE(b) && bd != NULL) */
	if (bd->ip.s_addr != 0) {
		str = g_string_new(NULL);
		g_string_printf(str, "%s:%d", inet_ntoa(bd->ip), bd->port);
		if (bd->comm_flag & QQ_COMM_FLAG_TCP_MODE) {
			g_string_append(str, " TCP");
		} else {
			g_string_append(str, " UDP");
		}
		g_string_free(str, TRUE);
	}

	tmp = g_strdup_printf("%d", bd->age);
	purple_notify_user_info_add_pair(user_info, _("Age"), tmp);
	g_free(tmp);

	switch (bd->gender) {
		case QQ_BUDDY_GENDER_GG:
			purple_notify_user_info_add_pair(user_info, _("Gender"), _("Male"));
			break;
		case QQ_BUDDY_GENDER_MM:
			purple_notify_user_info_add_pair(user_info, _("Gender"), _("Female"));
			break;
		case QQ_BUDDY_GENDER_UNKNOWN:
			purple_notify_user_info_add_pair(user_info, _("Gender"), _("Unknown"));
			break;
		default:
			tmp = g_strdup_printf("Error (%d)", bd->gender);
			purple_notify_user_info_add_pair(user_info, _("Gender"), tmp);
			g_free(tmp);
	}

	if (bd->level) {
		tmp = g_strdup_printf("%d", bd->level);
		purple_notify_user_info_add_pair(user_info, _("Level"), tmp);
		g_free(tmp);
	}

	str = g_string_new(NULL);
	if (bd->comm_flag & QQ_COMM_FLAG_QQ_MEMBER) {
		g_string_append( str, _("Member") );
	}
	if (bd->comm_flag & QQ_COMM_FLAG_QQ_VIP) {
		g_string_append( str, _(" VIP") );
	}
	if (bd->comm_flag & QQ_COMM_FLAG_TCP_MODE) {
		g_string_append( str, _(" TCP") );
	}
	if (bd->comm_flag & QQ_COMM_FLAG_MOBILE) {
		g_string_append( str, _(" FromMobile") );
	}
	if (bd->comm_flag & QQ_COMM_FLAG_BIND_MOBILE) {
		g_string_append( str, _(" BindMobile") );
	}
	if (bd->comm_flag & QQ_COMM_FLAG_VIDEO) {
		g_string_append( str, _(" Video") );
	}

	if (bd->ext_flag & QQ_EXT_FLAG_ZONE) {
		g_string_append( str, _(" Zone") );
	}
	purple_notify_user_info_add_pair(user_info, _("Flag"), str->str);

	g_string_free(str, TRUE);

#ifdef DEBUG
	tmp = g_strdup_printf( "%s (%04X)",
			qq_get_ver_desc(bd->client_tag),
			bd->client_tag );
	purple_notify_user_info_add_pair(user_info, _("Ver"), tmp);
	g_free(tmp);

	tmp = g_strdup_printf( "Ext 0x%X, Comm 0x%X",
			bd->ext_flag, bd->comm_flag );
	purple_notify_user_info_add_pair(user_info, _("Flag"), tmp);
	g_free(tmp);
#endif
}

/* we can show tiny icons on the four corners of buddy icon, */
static const char *qq_list_emblem(PurpleBuddy *b)
{
	PurpleAccount *account;
	PurpleConnection *gc;
	qq_data *qd;
	qq_buddy_data *buddy;

	if (!b || !(account = b->account) ||
			!(gc = purple_account_get_connection(account)) || !(qd = gc->proto_data))
		return NULL;

	buddy = (qq_buddy_data *)b->proto_data;
	if (!buddy) {
		return "not-authorized";
	}

	if (buddy->comm_flag & QQ_COMM_FLAG_MOBILE)
		return "mobile";
	if (buddy->comm_flag & QQ_COMM_FLAG_VIDEO)
		return "video";
	if (buddy->comm_flag & QQ_COMM_FLAG_QQ_MEMBER)
		return "qq_member";

	return NULL;
}

/* QQ away status (used to initiate QQ away packet) */
static GList *qq_status_types(PurpleAccount *ga)
{
	PurpleStatusType *status;
	GList *types = NULL;

	status = purple_status_type_new_full(PURPLE_STATUS_AVAILABLE,
			"available", _("Available"), TRUE, TRUE, FALSE);
	types = g_list_append(types, status);

	status = purple_status_type_new_full(PURPLE_STATUS_AWAY,
			"away", _("Away"), TRUE, TRUE, FALSE);
	types = g_list_append(types, status);

	status = purple_status_type_new_full(PURPLE_STATUS_INVISIBLE,
			"invisible", _("Invisible"), TRUE, TRUE, FALSE);
	types = g_list_append(types, status);

	status = purple_status_type_new_full(PURPLE_STATUS_UNAVAILABLE,
			"busy", _("Busy"), TRUE, TRUE, FALSE);
	types = g_list_append(types, status);

	status = purple_status_type_new_full(PURPLE_STATUS_OFFLINE,
			"offline", _("Offline"), TRUE, TRUE, FALSE);
	types = g_list_append(types, status);

	status = purple_status_type_new_full(PURPLE_STATUS_MOBILE,
			"mobile", NULL, FALSE, FALSE, TRUE);
	types = g_list_append(types, status);

	return types;
}

/* initiate QQ away with proper change_status packet */
static void qq_change_status(PurpleAccount *account, PurpleStatus *status)
{
	PurpleConnection *gc = purple_account_get_connection(account);

	qq_request_change_status(gc, 0);
}

/* send packet to get who's detailed information */
static void qq_show_buddy_info(PurpleConnection *gc, const gchar *who)
{
	guint32 uid;
	qq_data *qd;

	qd = gc->proto_data;
	uid = purple_name_to_uid(who);

	if (uid <= 0) {
		purple_debug_error("QQ", "Not valid QQid: %s\n", who);
		purple_notify_error(gc, NULL, _("Invalid name"), NULL);
		return;
	}

	if (qd->client_version >= 2007) {
		qq_request_get_level_2007(gc, uid);
	} else {
		qq_request_get_level(gc, uid);
	}
	qq_request_buddy_info(gc, uid, 0, QQ_BUDDY_INFO_DISPLAY);
}

static void action_update_all_rooms(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;

	if ( !qd->is_login ) {
		return;
	}

	qq_update_all_rooms(gc, 0, 0);
}

static void action_change_icon(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;
	gchar *icon_name;
	gchar *icon_path;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;

	if ( !qd->is_login ) {
		return;
	}

	icon_name = qq_get_icon_name(qd->my_icon);
	icon_path = qq_get_icon_path(icon_name);
	g_free(icon_name);

	purple_debug_info("QQ", "Change prev icon %s to...\n", icon_path);
	purple_request_file(action, _("Select icon..."), icon_path,
			FALSE,
			G_CALLBACK(qq_change_icon_cb), NULL,
			purple_connection_get_account(gc), NULL, NULL,
			gc);
	g_free(icon_path);
}

static void action_modify_info_base(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;
	qq_request_buddy_info(gc, qd->uid, 0, QQ_BUDDY_INFO_MODIFY_BASE);
}

static void action_modify_info_ext(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;
	qq_request_buddy_info(gc, qd->uid, 0, QQ_BUDDY_INFO_MODIFY_EXT);
}

static void action_modify_info_addr(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;
	qq_request_buddy_info(gc, qd->uid, 0, QQ_BUDDY_INFO_MODIFY_ADDR);
}

static void action_modify_info_contact(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;
	qq_request_buddy_info(gc, qd->uid, 0, QQ_BUDDY_INFO_MODIFY_CONTACT);
}

static void action_change_password(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	purple_notify_uri(NULL, "https://password.qq.com");
}

/* show a brief summary of what we get from login packet */
static void action_show_account_info(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;
	GString *info;
	struct tm *tm_local;
	int index;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;
	info = g_string_new("<html><body>");

	tm_local = localtime(&qd->login_time);
	g_string_append_printf(info, _("<b>Login time</b>: %d-%d-%d, %d:%d:%d<br>\n"),
			(1900 +tm_local->tm_year), (1 + tm_local->tm_mon), tm_local->tm_mday,
			tm_local->tm_hour, tm_local->tm_min, tm_local->tm_sec);
	g_string_append_printf(info, _("<b>Total Online Buddies</b>: %d<br>\n"), qd->online_total);
	tm_local = localtime(&qd->online_last_update);
	g_string_append_printf(info, _("<b>Last Refresh</b>: %d-%d-%d, %d:%d:%d<br>\n"),
			(1900 +tm_local->tm_year), (1 + tm_local->tm_mon), tm_local->tm_mday,
			tm_local->tm_hour, tm_local->tm_min, tm_local->tm_sec);

	g_string_append(info, "<hr>");

	g_string_append_printf(info, _("<b>Server</b>: %s<br>\n"), qd->curr_server);
	g_string_append_printf(info, _("<b>Client Tag</b>: %s<br>\n"), qq_get_ver_desc(qd->client_tag));
	g_string_append_printf(info, _("<b>Connection Mode</b>: %s<br>\n"), qd->use_tcp ? "TCP" : "UDP");
	g_string_append_printf(info, _("<b>My Internet IP</b>: %s:%d<br>\n"), inet_ntoa(qd->my_ip), qd->my_port);

	g_string_append(info, "<hr>");
	g_string_append(info, "<i>Network Status</i><br>\n");
	g_string_append_printf(info, _("<b>Sent</b>: %lu<br>\n"), qd->net_stat.sent);
	g_string_append_printf(info, _("<b>Resend</b>: %lu<br>\n"), qd->net_stat.resend);
	g_string_append_printf(info, _("<b>Lost</b>: %lu<br>\n"), qd->net_stat.lost);
	g_string_append_printf(info, _("<b>Received</b>: %lu<br>\n"), qd->net_stat.rcved);
	g_string_append_printf(info, _("<b>Received Duplicate</b>: %lu<br>\n"), qd->net_stat.rcved_dup);

	g_string_append(info, "<hr>");
	g_string_append(info, "<i>Last Login Information</i><br>\n");

	for (index = 0; index < sizeof(qd->last_login_time) / sizeof(time_t); index++) {
		tm_local = localtime(&qd->last_login_time[index]);
		g_string_append_printf(info, _("<b>Time</b>: %d-%d-%d, %d:%d:%d<br>\n"),
				(1900 +tm_local->tm_year), (1 + tm_local->tm_mon), tm_local->tm_mday,
				tm_local->tm_hour, tm_local->tm_min, tm_local->tm_sec);
	}
	if (qd->last_login_ip.s_addr != 0) {
		g_string_append_printf(info, _("<b>IP</b>: %s<br>\n"), inet_ntoa(qd->last_login_ip));
	}

	g_string_append(info, "</body></html>");

	purple_notify_formatted(gc, NULL, _("Login Information"), NULL, info->str, NULL, NULL);

	g_string_free(info, TRUE);
}

static void action_about_openq(PurplePluginAction *action)
{
	PurpleConnection *gc = (PurpleConnection *) action->context;
	qq_data *qd;
	GString *info;
	gchar *title;

	g_return_if_fail(NULL != gc && NULL != gc->proto_data);
	qd = (qq_data *) gc->proto_data;

	info = g_string_new("<html><body>");
	g_string_append(info, _("<p><b>Original Author</b>:<br>\n"));
	g_string_append(info, "puzzlebird<br>\n");
	g_string_append(info, "<br>\n");

	g_string_append(info, _("<p><b>Code Contributors</b>:<br>\n"));
	g_string_append(info, "gfhuang(poppyer) : patches for libpurple 2.0.0beta2, maintainer<br>\n");
	g_string_append(info, "Yuan Qingyun : patches for libpurple 1.5.0, maintainer<br>\n");
	g_string_append(info, "henryouly : file transfer, udp sock5 proxy and qq_show, maintainer<br>\n");
	g_string_append(info, "hzhr : maintainer<br>\n");
	g_string_append(info, "joymarquis : maintainer<br>\n");
	g_string_append(info, "arfankai : fixed bugs in char_conv.c<br>\n");
	g_string_append(info, "rakescar : provided filter for HTML tag<br>\n");
	g_string_append(info, "yyw : improved performance on PPC linux<br>\n");
	g_string_append(info, "lvxiang : provided ip to location original code<br>\n");
	g_string_append(info, "markhuetsch : OpenQ merge into libpurple, maintainer 2006-2007<br>\n");
	g_string_append(info, "ccpaging : maintainer since 2007<br>\n");
	g_string_append(info, "icesky : maintainer since 2007<br>\n");
	g_string_append(info, "csyfek : faces, maintainer since 2007<br>\n");
	g_string_append(info, "<br>\n");

	g_string_append(info, _("<p><b>Lovely Patch Writers</b>:<br>\n"));
	g_string_append(info, "gnap : message displaying, documentation<br>\n");
	g_string_append(info, "manphiz : qun processing<br>\n");
	g_string_append(info, "moo : qun processing<br>\n");
	g_string_append(info, "Coly Li : qun processing<br>\n");
	g_string_append(info, "Emil Alexiev : captcha verification on login based on LumaQQ for MAC (2007), login, add buddy, remove buddy, message exchange and logout<br>\n");
	g_string_append(info, "Chengming Wang : buddy memo<br>\n");
	g_string_append(info, "lonicerae : chat room window bugfix, server list bugfix, buddy memo<br>\n");
	g_string_append(info, "<br>\n");

	g_string_append(info, _("<p><b>Acknowledgement</b>:<br>\n"));
	g_string_append(info, "Shufeng Tan : http://sf.net/projects/perl-oicq<br>\n");
	g_string_append(info, "Jeff Ye : http://www.sinomac.com<br>\n");
	g_string_append(info, "Hu Zheng : http://forlinux.yeah.net<br>\n");
	g_string_append(info, "yunfan : http://www.myswear.net<br>\n");
	g_string_append(info, "OpenQ Team : http://openq.linuxsir.org<br>\n");
	g_string_append(info, "LumaQQ Team : http://lumaqq.linuxsir.org<br>\n");
	g_string_append(info, "Pidgin Team : http://www.pidgin.im<br>\n");
	g_string_append(info, "Huang Guan : http://home.xxsyzx.com<br>\n");
	g_string_append(info, "OpenQ Google Group : http://groups.google.com/group/openq<br>\n");
	g_string_append(info, "<br>\n");

	g_string_append(info, _("<p><b>Scrupulous Testers</b>:<br>\n"));
	g_string_append(info, "yegle<br>\n");
	g_string_append(info, "cnzhangbx<br>\n");
	g_string_append(info, "casparant<br>\n");
	g_string_append(info, "wd<br>\n");
	g_string_append(info, "x6719620<br>\n");
	g_string_append(info, "netelk<br>\n");
	g_string_append(info, "and more, please let me know... thank you!<br>\n");
	g_string_append(info, "<br>\n");
	g_string_append(info, _("<p><i>And, all the boys in the backroom...</i><br>\n"));
	g_string_append(info, _("<i>Feel free to join us!</i> :)"));
	g_string_append(info, "</body></html>");

	title = g_strdup_printf(_("About OpenQ %s"), OPENQ_VERSION);
	purple_notify_formatted(gc, title, title, NULL, info->str, NULL, NULL);

	g_free(title);
	g_string_free(info, TRUE);
}

/*
   static void _qq_menu_search_or_add_permanent_group(PurplePluginAction *action)
   {
   purple_roomlist_show_with_account(NULL);
   }
*/

/*
   static void _qq_menu_create_permanent_group(PurplePluginAction * action)
   {
   PurpleConnection *gc = (PurpleConnection *) action->context;
   purple_request_input(gc, _("Create QQ Qun"),
   _("Input Qun name here"),
   _("Only QQ members can create permanent Qun"),
   "OpenQ", FALSE, FALSE, NULL,
   _("Create"), G_CALLBACK(qq_create_room), _("Cancel"), NULL, gc);
   }
*/

static void action_chat_quit(PurpleBlistNode * node)
{
	PurpleChat *chat = (PurpleChat *)node;
	PurpleConnection *gc = purple_account_get_connection(chat->account);
	GHashTable *components = chat -> components;
	gchar *num_str;
	guint32 room_id;

	g_return_if_fail(PURPLE_BLIST_NODE_IS_CHAT(node));

	g_return_if_fail(components != NULL);

	num_str = g_hash_table_lookup(components, QQ_ROOM_KEY_INTERNAL_ID);
	room_id = strtoul(num_str, NULL, 10);
	g_return_if_fail(room_id != 0);

	qq_room_quit(gc, room_id);
}

static void action_chat_get_info(PurpleBlistNode * node)
{
	PurpleChat *chat = (PurpleChat *)node;
	PurpleConnection *gc = purple_account_get_connection(chat->account);
	GHashTable *components = chat -> components;
	gchar *num_str;
	guint32 room_id;

	g_return_if_fail(PURPLE_BLIST_NODE_IS_CHAT(node));

	g_return_if_fail(components != NULL);

	num_str = g_hash_table_lookup(components, QQ_ROOM_KEY_INTERNAL_ID);
	room_id = strtoul(num_str, NULL, 10);
	g_return_if_fail(room_id != 0);

	qq_send_room_cmd_mess(gc, QQ_ROOM_CMD_GET_INFO, room_id, NULL, 0,
			0, QQ_ROOM_INFO_DISPLAY);
}

#if 0
/* TODO: re-enable this */
static void _qq_menu_send_file(PurpleBlistNode * node, gpointer ignored)
{
	PurpleBuddy *buddy;
	PurpleConnection *gc;
	qq_buddy_data *bd;

	g_return_if_fail (PURPLE_BLIST_NODE_IS_BUDDY (node));
	buddy = (PurpleBuddy *) node;
	bd = (qq_buddy_data *) buddy->proto_data;
	/*	if (is_online (bd->status)) { */
	gc = purple_account_get_connection (buddy->account);
	g_return_if_fail (gc != NULL && gc->proto_data != NULL);
	qq_send_file(gc, buddy->name, NULL);
	/*	} */
}
#endif

/* protocol related menus */
static GList *qq_actions(PurplePlugin *plugin, gpointer context)
{
	GList *m;
	PurplePluginAction *act;

	m = NULL;
	act = purple_plugin_action_new(_("Change Icon"), action_change_icon);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("Modify Information"), action_modify_info_base);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("Modify Extended Information"), action_modify_info_ext);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("Modify Address"), action_modify_info_addr);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("Modify Contact"), action_modify_info_contact);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("Change Password"), action_change_password);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("Account Information"), action_show_account_info);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("Update all QQ Quns"), action_update_all_rooms);
	m = g_list_append(m, act);

	act = purple_plugin_action_new(_("About OpenQ"), action_about_openq);
	m = g_list_append(m, act);
	/*
	   act = purple_plugin_action_new(_("Qun: Search a permanent Qun"), _qq_menu_search_or_add_permanent_group);
	   m = g_list_append(m, act);

	   act = purple_plugin_action_new(_("Qun: Create a permanent Qun"), _qq_menu_create_permanent_group);
	   m = g_list_append(m, act);
	*/

	return m;
}

static void qq_add_buddy_from_menu_cb(PurpleBlistNode *node, gpointer data)
{
	PurpleBuddy *buddy;
	PurpleConnection *gc;

	g_return_if_fail(PURPLE_BLIST_NODE_IS_BUDDY(node));

	buddy = (PurpleBuddy *) node;
	gc = purple_account_get_connection(buddy->account);

	qq_add_buddy(gc, buddy, NULL);
}

static void qq_modify_buddy_memo_from_menu_cb(PurpleBlistNode *node, gpointer data)
{
	PurpleBuddy *buddy;
	qq_buddy_data *bd;
	PurpleConnection *gc;
	guint32 bd_uid;

	g_return_if_fail(PURPLE_BLIST_NODE_IS_BUDDY(node));

	buddy = (PurpleBuddy *)node;
	g_return_if_fail(NULL != buddy && NULL != buddy->proto_data);

	gc = purple_account_get_connection(buddy->account);
	g_return_if_fail(NULL != gc);

	bd = (qq_buddy_data *)buddy->proto_data;
	g_return_if_fail(NULL != bd);
	bd_uid = bd->uid;

	/* param: gc, uid, update_class, action
	 * here, update_class is set to bd_uid. because some memo packages returned
	 * without uid, which will make us confused */
	qq_request_buddy_memo(gc, bd_uid, bd_uid, QQ_BUDDY_MEMO_MODIFY);
}

static GList *qq_buddy_menu(PurpleBuddy *buddy)
{
	GList *m = NULL;
	PurpleMenuAction *act;
	qq_buddy_data *bd = (qq_buddy_data *)buddy->proto_data;

	if (bd == NULL) {
		act = purple_menu_action_new(_("Add Buddy"),
				PURPLE_CALLBACK(qq_add_buddy_from_menu_cb),
				NULL, NULL);
		m = g_list_append(m, act);
		return m;
	}


	act = purple_menu_action_new(_("Modify Buddy Memo"),
			PURPLE_CALLBACK(qq_modify_buddy_memo_from_menu_cb),
			NULL, NULL);
	m = g_list_append(m, act);


	/* TODO : not working, temp commented out by gfhuang */
#if 0
	if (bd && is_online(bd->status)) {
		act = purple_menu_action_new(_("Send File"), PURPLE_CALLBACK(_qq_menu_send_file), NULL, NULL); /* add NULL by gfhuang */
		m = g_list_append(m, act);
	}
#endif
	return m;
}

/* chat-related (QQ Qun) menu shown up with right-click */
static GList *qq_chat_menu(PurpleBlistNode *node)
{
	GList *m;
	PurpleMenuAction *act;

	m = NULL;
	act = purple_menu_action_new(_("Get Info"), PURPLE_CALLBACK(action_chat_get_info), NULL, NULL);
	m = g_list_append(m, act);

	act = purple_menu_action_new(_("Quit Qun"), PURPLE_CALLBACK(action_chat_quit), NULL, NULL);
	m = g_list_append(m, act);
	return m;
}

/* buddy-related menu shown up with right-click */
static GList *qq_blist_node_menu(PurpleBlistNode * node)
{
	if(PURPLE_BLIST_NODE_IS_CHAT(node))
		return qq_chat_menu(node);

	if(PURPLE_BLIST_NODE_IS_BUDDY(node))
		return qq_buddy_menu((PurpleBuddy *) node);

	return NULL;
}

/* convert name displayed in a chat channel to original QQ UID */
static gchar *chat_name_to_purple_name(const gchar *const name)
{
	const char *start;
	const char *end;
	gchar *ret;

	g_return_val_if_fail(name != NULL, NULL);

	/* Sample: (1234567)*/
	start = strchr(name, '(');
	g_return_val_if_fail(start != NULL, NULL);
	end = strchr(start, ')');
	g_return_val_if_fail(end != NULL && (end - start) > 1, NULL);

	ret = g_strndup(start + 1, end - start - 1);

	return ret;
}

/* convert chat nickname to uid to get this buddy info */
/* who is the nickname of buddy in QQ chat-room (Qun) */
static void qq_get_chat_buddy_info(PurpleConnection *gc, gint channel, const gchar *who)
{
	qq_data *qd;
	gchar *uid_str;
	guint32 uid;

	purple_debug_info("QQ", "Get chat buddy info of %s\n", who);
	g_return_if_fail(who != NULL);

	uid_str = chat_name_to_purple_name(who);
	if (uid_str == NULL) {
		return;
	}

	qd = gc->proto_data;
	uid = purple_name_to_uid(uid_str);
	g_free(uid_str);

	if (uid <= 0) {
		purple_debug_error("QQ", "Not valid chat name: %s\n", who);
		purple_notify_error(gc, NULL, _("Invalid name"), NULL);
		return;
	}

	if (qd->client_version < 2007) {
		qq_request_get_level(gc, uid);
	}
	qq_request_buddy_info(gc, uid, 0, QQ_BUDDY_INFO_DISPLAY);
}

/* convert chat nickname to uid to invite individual IM to buddy */
/* who is the nickname of buddy in QQ chat-room (Qun) */
static gchar *qq_get_chat_buddy_real_name(PurpleConnection *gc, gint channel, const gchar *who)
{
	g_return_val_if_fail(who != NULL, NULL);
	return chat_name_to_purple_name(who);
}

static PurplePluginProtocolInfo prpl_info =
{
	OPT_PROTO_CHAT_TOPIC | OPT_PROTO_USE_POINTSIZE,
	NULL,							/* user_splits	*/
	NULL,							/* protocol_options */
	{"png", 96, 96, 96, 96, 0, PURPLE_ICON_SCALE_SEND}, /* icon_spec */
	qq_list_icon,						/* list_icon */
	qq_list_emblem,					/* list_emblems */
	qq_status_text,					/* status_text	*/
	qq_tooltip_text,					/* tooltip_text */
	qq_status_types,					/* away_states	*/
	qq_blist_node_menu,			/* blist_node_menu */
	qq_chat_info,						/* chat_info */
	qq_chat_info_defaults,		/* chat_info_defaults */
	qq_login,					/* open */
	qq_close,					/* close */
	qq_send_im,				/* send_im */
	NULL,							/* set_info */
	NULL,							/* send_typing	*/
	qq_show_buddy_info,		/* get_info */
	qq_change_status,			/* change status */
	NULL,							/* set_idle */
	NULL,							/* change_passwd */
	qq_add_buddy,			/* add_buddy */
	NULL,							/* add_buddies	*/
	qq_remove_buddy,		/* remove_buddy */
	NULL,							/* remove_buddies */
	NULL,							/* add_permit */
	NULL,							/* add_deny */
	NULL,							/* rem_permit */
	NULL,							/* rem_deny */
	NULL,							/* set_permit_deny */
	qq_group_join,			/* join_chat */
	NULL,							/* reject chat	invite */
	NULL,							/* get_chat_name */
	NULL,							/* chat_invite	*/
	NULL,							/* chat_leave */
	NULL,							/* chat_whisper */
	qq_chat_send,			/* chat_send */
	NULL,							/* keepalive */
	NULL,							/* register_user */
	qq_get_chat_buddy_info,				/* get_cb_info	*/
	NULL,							/* get_cb_away	*/
	NULL,							/* alias_buddy	*/
	NULL,							/* change buddy's group	*/
	NULL,							/* rename_group */
	NULL,							/* buddy_free */
	NULL,							/* convo_closed */
	NULL,							/* normalize */
	qq_set_custom_icon,
	NULL,							/* remove_group */
	qq_get_chat_buddy_real_name,		/* get_cb_real_name */
	NULL,							/* set_chat_topic */
	NULL,							/* find_blist_chat */
	qq_roomlist_get_list,	/* roomlist_get_list */
	qq_roomlist_cancel,		/* roomlist_cancel */
	NULL,							/* roomlist_expand_category */
	NULL,							/* can_receive_file */
	NULL,							/* qq_send_file send_file */
	NULL,							/* new xfer */
	NULL,							/* offline_message */
	NULL,							/* PurpleWhiteboardPrplOps */
	NULL,							/* send_raw */
	NULL,							/* roomlist_room_serialize */
	NULL,							/* unregister_user */
	NULL,							/* send_attention */
	NULL,							/* get attention_types */

	sizeof(PurplePluginProtocolInfo), /* struct_size */
	NULL
};

static PurplePluginInfo info = {
	PURPLE_PLUGIN_MAGIC,
	PURPLE_MAJOR_VERSION,
	PURPLE_MINOR_VERSION,
	PURPLE_PLUGIN_PROTOCOL,		/**< type		*/
	NULL,				/**< ui_requirement	*/
	0,				/**< flags		*/
	NULL,				/**< dependencies	*/
	PURPLE_PRIORITY_DEFAULT,		/**< priority		*/

	"prpl-qq",			/**< id			*/
	"QQ",				/**< name		*/
	DISPLAY_VERSION,		/**< version		*/
	/**  summary		*/
	N_("QQ Protocol Plugin"),
	/**  description	*/
	N_("QQ Protocol Plugin"),
	NULL,				/**< author		*/
	PURPLE_WEBSITE,		/**< homepage	*/

	NULL,				/**< load		*/
	NULL,				/**< unload		*/
	NULL,				/**< destroy		*/

	NULL,				/**< ui_info		*/
	&prpl_info,			/**< extra_info		*/
	NULL,				/**< prefs_info		*/
	qq_actions,

	/* padding */
	NULL,
	NULL,
	NULL,
	NULL
};


static void init_plugin(PurplePlugin *plugin)
{
	PurpleAccountOption *option;
	PurpleKeyValuePair *kvp;
	GList *server_list = NULL;
	GList *server_kv_list = NULL;
	GList *it;
	/* #ifdef DEBUG */
	GList *version_kv_list = NULL;
	/* #endif */

	server_list = server_list_build('A');

	purple_prefs_remove("/plugins/prpl/qq/serverlist");

	server_kv_list = NULL;
	kvp = g_new0(PurpleKeyValuePair, 1);
	kvp->key = g_strdup(_("Auto"));
	kvp->value = g_strdup("auto");
	server_kv_list = g_list_append(server_kv_list, kvp);

	it = server_list;
	while(it) {
		if (it->data != NULL && strlen(it->data) > 0) {
			kvp = g_new0(PurpleKeyValuePair, 1);
			kvp->key = g_strdup(it->data);
			kvp->value = g_strdup(it->data);
			server_kv_list = g_list_append(server_kv_list, kvp);
		}
		it = it->next;
	}

	g_list_free(server_list);

	option = purple_account_option_list_new(_("Select Server"), "server", server_kv_list);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	kvp = g_new0(PurpleKeyValuePair, 1);
	kvp->key = g_strdup(_("QQ2005"));
	kvp->value = g_strdup("qq2005");
	version_kv_list = g_list_append(version_kv_list, kvp);

	kvp = g_new0(PurpleKeyValuePair, 1);
	kvp->key = g_strdup(_("QQ2007"));
	kvp->value = g_strdup("qq2007");
	version_kv_list = g_list_append(version_kv_list, kvp);

	kvp = g_new0(PurpleKeyValuePair, 1);
	kvp->key = g_strdup(_("QQ2008"));
	kvp->value = g_strdup("qq2008");
	version_kv_list = g_list_append(version_kv_list, kvp);

	option = purple_account_option_list_new(_("Client Version"), "client_version", version_kv_list);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_bool_new(_("Connect by TCP"), "use_tcp", TRUE);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_bool_new(_("Show server notice"), "show_notice", TRUE);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_bool_new(_("Show server news"), "show_news", TRUE);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_bool_new(_("Show chat room when msg comes"), "show_chat", TRUE);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_int_new(_("Keep alive interval (seconds)"), "keep_alive_interval", 60);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_int_new(_("Update interval (seconds)"), "update_interval", 300);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	purple_prefs_add_none("/plugins/prpl/qq");
	purple_prefs_add_bool("/plugins/prpl/qq/show_status_by_icon", TRUE);
	purple_prefs_add_bool("/plugins/prpl/qq/show_fake_video", FALSE);
	purple_prefs_add_bool("/plugins/prpl/qq/auto_get_authorize_info", TRUE);
	purple_prefs_add_int("/plugins/prpl/qq/resend_interval", 3);
	purple_prefs_add_int("/plugins/prpl/qq/resend_times", 10);
}

PURPLE_INIT_PLUGIN(qq, init_plugin, info);
