require "util.datamanager"

local datamanager = datamanager;

local st = require "util.stanza"

local send = require "core.sessionmanager".send_to_session

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

require "util.jid"

local jid_split = jid.split;

add_iq_handler("c2s", "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

						local iq = st.reply(stanza);

						iq:add_child(vCard);

						send(session, iq); -- send vCard!

					else

						send(session, 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

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

						else

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

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

						end

					else

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

					end

				end

				return true;

			end

		end);

add_event_hook("stream-features", 

					function (session, features)												

						if session.type == "c2s" then

							t_insert(features, "<feature var='vcard-temp'/>");

						end

					end);