require "util.datamanager"

local datamanager = datamanager;

local st = require "util.stanza"

local t_concat, t_insert = table.concat, table.insert;

require "util.jid"

local jid_split = jid.split;

require "core.discomanager".set("vcard", "vcard-temp");

module:add_iq_handler({"c2s", "s2sin"}, "vcard-temp", 

		function (session, stanza)

			if stanza.tags[1].name == "vCard" then

				local to = stanza.attr.to;

				if stanza.attr.type == "get" then

					local vCard;

					if to then

						local node, host = jid_split(to);

						if hosts[host] and hosts[host].type == "local" then

							vCard = st.deserialize(datamanager.load(node, host, "vCard")); -- load vCard for user or server

						end

					else

						vCard = st.deserialize(datamanager.load(session.username, session.host, "vCard"));-- load user's own vCard

					end

					if vCard then

						session.send(st.reply(stanza):add_child(vCard)); -- send vCard!

					else

						session.send(st.error_reply(stanza, "cancel", "item-not-found"));

					end

				elseif stanza.attr.type == "set" then

					if not to or to == session.username.."@"..session.host then

						if datamanager.store(session.username, session.host, "vCard", st.preserialize(stanza.tags[1])) then

							session.send(st.reply(stanza));

						else

							-- TODO unable to write file, file may be locked, etc, what's the correct error?

							session.send(st.error_reply(stanza, "wait", "internal-server-error"));

						end

					else

						session.send(st.error_reply(stanza, "auth", "forbidden"));

					end

				end

				return true;

			end

		end);

local feature_vcard_attr = { var='vcard-temp' };

module:add_event_hook("stream-features", 

					function (session, features)												

						if session.type == "c2s" then

							features:tag("feature", feature_vcard_attr):up();

						end

					end);