/**
 * @file user.c User functions
 *
 * 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 "msn.h"
#include "user.h"
#include "slp.h"

/*new a user object*/
MsnUser *
msn_user_new(MsnUserList *userlist, const char *passport,
			 const char *store_name)
{
	MsnUser *user;

	user = g_new0(MsnUser, 1);

	user->userlist = userlist;

	msn_user_set_passport(user, passport);
	msn_user_set_store_name(user, store_name);

	/*
	 * XXX This seems to reset the friendly name from what it should be
	 *     to the passport when moving users. So, screw it :)
	 */
#if 0
	if (name != NULL)
		msn_user_set_name(user, name);
#endif

	return user;
}

/*destroy a user object*/
void
msn_user_destroy(MsnUser *user)
{
	g_return_if_fail(user != NULL);

	if (user->clientcaps != NULL)
		g_hash_table_destroy(user->clientcaps);

	if (user->group_ids != NULL)
	{
		GList *l;
		for (l = user->group_ids; l != NULL; l = l->next)
		{
			g_free(l->data);
		}
		g_list_free(user->group_ids);
	}

	if (user->msnobj != NULL)
		msn_object_destroy(user->msnobj);

	g_free(user->passport);
	g_free(user->friendly_name);
	g_free(user->store_name);
	g_free(user->uid);
	g_free(user->phone.home);
	g_free(user->phone.work);
	g_free(user->phone.mobile);
	g_free(user->media.artist);
	g_free(user->media.title);
	g_free(user->media.album);
	g_free(user->statusline);

	g_free(user);
}

void
msn_user_update(MsnUser *user)
{
	PurpleAccount *account;

	account = user->userlist->session->account;

	if (user->status != NULL) {
		gboolean offline = (strcmp(user->status, "offline") == 0);

		if (!offline) {
			purple_prpl_got_user_status(account, user->passport, user->status,
					"message", user->statusline, NULL);
		} else {
			if (user->mobile) {
				purple_prpl_got_user_status(account, user->passport, "mobile", NULL);
				purple_prpl_got_user_status(account, user->passport, "available", NULL);
			} else {
				purple_prpl_got_user_status(account, user->passport, user->status, NULL);
			}
		}

		if (!offline || !user->mobile) {
			purple_prpl_got_user_status_deactive(account, user->passport, "mobile");
		}

		if (!offline && user->media.title) {
			purple_prpl_got_user_status(account, user->passport, "tune",
					PURPLE_TUNE_ARTIST, user->media.artist,
					PURPLE_TUNE_ALBUM, user->media.album,
					PURPLE_TUNE_TITLE, user->media.title,
					NULL);
		} else {
			purple_prpl_got_user_status_deactive(account, user->passport, "tune");
		}			
	}

	if (user->idle)
		purple_prpl_got_user_idle(account, user->passport, TRUE, -1);
	else
		purple_prpl_got_user_idle(account, user->passport, FALSE, 0);
}

void
msn_user_set_state(MsnUser *user, const char *state)
{
	const char *status;

	if (!g_ascii_strcasecmp(state, "BSY"))
		status = "busy";
	else if (!g_ascii_strcasecmp(state, "BRB"))
		status = "brb";
	else if (!g_ascii_strcasecmp(state, "AWY"))
		status = "away";
	else if (!g_ascii_strcasecmp(state, "PHN"))
		status = "phone";
	else if (!g_ascii_strcasecmp(state, "LUN"))
		status = "lunch";
	else
		status = "available";

	if (!g_ascii_strcasecmp(state, "IDL"))
		user->idle = TRUE;
	else
		user->idle = FALSE;

	user->status = status;
}

void
msn_user_set_passport(MsnUser *user, const char *passport)
{
	g_return_if_fail(user != NULL);

	g_free(user->passport);
	user->passport = g_strdup(passport);
}

void
msn_user_set_friendly_name(MsnUser *user, const char *name)
{
	g_return_if_fail(user != NULL);

	g_free(user->friendly_name);
	user->friendly_name = g_strdup(name);
}

void
msn_user_set_statusline(MsnUser *user, const char *statusline)
{
	g_return_if_fail(user != NULL);

	g_free(user->statusline);
	user->statusline = g_strdup(statusline);
}

void
msn_user_set_currentmedia(MsnUser *user, const CurrentMedia *media)
{
	g_return_if_fail(user != NULL);

	g_free(user->media.title);
	g_free(user->media.album);
	g_free(user->media.artist);

	user->media.title  = media ? g_strdup(media->title) : NULL;
	user->media.artist = media ? g_strdup(media->artist) : NULL;
	user->media.album  = media ? g_strdup(media->album) : NULL;
}

void
msn_user_set_store_name(MsnUser *user, const char *name)
{
	g_return_if_fail(user != NULL);

	if (name != NULL)
	{
		g_free(user->store_name);
		user->store_name = g_strdup(name);
	}
}

void
msn_user_set_uid(MsnUser *user, const char *uid)
{
	g_return_if_fail(user != NULL);

	g_free(user->uid);
	user->uid = g_strdup(uid);
}

void
msn_user_set_type(MsnUser *user, MsnUserType type)
{
	g_return_if_fail(user != NULL);

	user->type = type;
}

void
msn_user_set_op(MsnUser *user, int list_op)
{
	g_return_if_fail(user != NULL);

	user->list_op |= list_op;
}

void
msn_user_unset_op(MsnUser *user, int list_op)
{
	g_return_if_fail(user != NULL);
	
	user->list_op &= ~list_op;
}

void
msn_user_set_buddy_icon(MsnUser *user, PurpleStoredImage *img)
{
	MsnObject *msnobj = msn_user_get_object(user);

	g_return_if_fail(user != NULL);

	if (img == NULL)
		msn_user_set_object(user, NULL);
	else
	{
		PurpleCipherContext *ctx;
		char *buf;
		gconstpointer data = purple_imgstore_get_data(img);
		size_t size = purple_imgstore_get_size(img);
		char *base64;
		unsigned char digest[20];

		if (msnobj == NULL)
		{
			msnobj = msn_object_new();
			msn_object_set_local(msnobj);
			msn_object_set_type(msnobj, MSN_OBJECT_USERTILE);
			msn_object_set_location(msnobj, "TFR2C2.tmp");
			msn_object_set_creator(msnobj, msn_user_get_passport(user));

			msn_user_set_object(user, msnobj);
		}

		msn_object_set_image(msnobj, img);

		/* Compute the SHA1D field. */
		memset(digest, 0, sizeof(digest));

		ctx = purple_cipher_context_new_by_name("sha1", NULL);
		purple_cipher_context_append(ctx, data, size);
		purple_cipher_context_digest(ctx, sizeof(digest), digest, NULL);

		base64 = purple_base64_encode(digest, sizeof(digest));
		msn_object_set_sha1d(msnobj, base64);
		g_free(base64);

		msn_object_set_size(msnobj, size);

		/* Compute the SHA1C field. */
		buf = g_strdup_printf(
			"Creator%sSize%dType%dLocation%sFriendly%sSHA1D%s",
			msn_object_get_creator(msnobj),
			msn_object_get_size(msnobj),
			msn_object_get_type(msnobj),
			msn_object_get_location(msnobj),
			msn_object_get_friendly(msnobj),
			msn_object_get_sha1d(msnobj));

		memset(digest, 0, sizeof(digest));

		purple_cipher_context_reset(ctx, NULL);
		purple_cipher_context_append(ctx, (const guchar *)buf, strlen(buf));
		purple_cipher_context_digest(ctx, sizeof(digest), digest, NULL);
		purple_cipher_context_destroy(ctx);
		g_free(buf);

		base64 = purple_base64_encode(digest, sizeof(digest));
		msn_object_set_sha1c(msnobj, base64);
		g_free(base64);
	}
}

/*add group id to User object*/
void
msn_user_add_group_id(MsnUser *user, const char* id)
{
	MsnUserList *userlist;
	PurpleAccount *account;
	PurpleBuddy *b;
	PurpleGroup *g;
	const char *passport;
	char *group_id;
	const char *group_name;

	g_return_if_fail(user != NULL);
	g_return_if_fail(id != NULL);

	group_id = g_strdup(id);
	user->group_ids = g_list_append(user->group_ids, group_id);

	userlist = user->userlist;
	account = userlist->session->account;
	passport = msn_user_get_passport(user);

	group_name = msn_userlist_find_group_name(userlist, group_id);

	purple_debug_info("User","group id:%s,name:%s,user:%s\n", group_id, group_name, passport);

	g = purple_find_group(group_name);

	if ((id == NULL) && (g == NULL))
	{
		g = purple_group_new(group_name);
		purple_blist_add_group(g, NULL);
	}

	b = purple_find_buddy_in_group(account, passport, g);
	if (b == NULL)
	{
		b = purple_buddy_new(account, passport, NULL);
		purple_blist_add_buddy(b, NULL, g, NULL);
	}
	b->proto_data = user;
	/*Update the blist Node info*/
//	purple_blist_node_set_string(&(b->node), "", "");
}

/*check if the msn user is online*/
gboolean
msn_user_is_online(PurpleAccount *account, const char *name)
{
	PurpleBuddy *buddy;

	buddy =purple_find_buddy(account,name);
	return PURPLE_BUDDY_IS_ONLINE(buddy);
}

gboolean
msn_user_is_yahoo(PurpleAccount *account, const char *name)
{
	MsnSession *session = NULL;
	MsnUser *user;
	PurpleConnection *gc;

	gc = purple_account_get_connection(account);
	if (gc != NULL)
		session = gc->proto_data;

	if ((session != NULL) && (session->protocol_ver == WLM_PROT_VER))
		return FALSE;

	if ((session != NULL) && (user = msn_userlist_find_user(session->userlist, name)) != NULL)
	{
		return (user->type == MSN_USER_TYPE_YAHOO);
	}
	return (strstr(name,"@yahoo.") != NULL);
}

void
msn_user_remove_group_id(MsnUser *user, const char *id)
{
	GList *l;

	g_return_if_fail(user != NULL);
	g_return_if_fail(id != NULL);

	l = g_list_find_custom(user->group_ids, id, (GCompareFunc)strcmp);

	if (l == NULL)
		return;

	g_free(l->data);
	user->group_ids = g_list_delete_link(user->group_ids, l);
}

void
msn_user_set_home_phone(MsnUser *user, const char *number)
{
	g_return_if_fail(user != NULL);

	g_free(user->phone.home);
	user->phone.home = g_strdup(number);
}

void
msn_user_set_work_phone(MsnUser *user, const char *number)
{
	g_return_if_fail(user != NULL);

	g_free(user->phone.work);
	user->phone.work = g_strdup(number);
}

void
msn_user_set_mobile_phone(MsnUser *user, const char *number)
{
	g_return_if_fail(user != NULL);

	g_free(user->phone.mobile);
	user->phone.mobile = g_strdup(number);
}

void
msn_user_set_object(MsnUser *user, MsnObject *obj)
{
	g_return_if_fail(user != NULL);

	if (user->msnobj != NULL)
		msn_object_destroy(user->msnobj);

	user->msnobj = obj;

	if (user->list_op & MSN_LIST_FL_OP)
		msn_queue_buddy_icon_request(user);
}

void
msn_user_set_client_caps(MsnUser *user, GHashTable *info)
{
	g_return_if_fail(user != NULL);
	g_return_if_fail(info != NULL);

	if (user->clientcaps != NULL)
		g_hash_table_destroy(user->clientcaps);

	user->clientcaps = info;
}

const char *
msn_user_get_passport(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->passport;
}

const char *
msn_user_get_friendly_name(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->friendly_name;
}

const char *
msn_user_get_store_name(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->store_name;
}

const char *
msn_user_get_home_phone(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->phone.home;
}

const char *
msn_user_get_work_phone(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->phone.work;
}

const char *
msn_user_get_mobile_phone(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->phone.mobile;
}

MsnObject *
msn_user_get_object(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->msnobj;
}

GHashTable *
msn_user_get_client_caps(const MsnUser *user)
{
	g_return_val_if_fail(user != NULL, NULL);

	return user->clientcaps;
}