module:depends("cache_c2s_caps");

local st = require "util.stanza";

local function iq_stanza_handler(event)

	local type = stanza.attr.type;

	local query = stanza:get_child("query", "http://jabber.org/protocol/disco#info");

	if type ~= "get" or query == nil then

		return;

	end

	local to = stanza.attr.to;

	local node = query.attr.node;

	local target_session = full_sessions[to];

	local disco_info = target_session.caps_cache;

	if disco_info ~= nil and (node == nil or node == disco_info.attr.node) then

		local iq = st.reply(stanza);

		iq:add_child(st.clone(disco_info));

		module:log("debug", "Answering disco#info on the behalf of the recipient")

		module:send(iq);

		return true;

	end

end

module:hook("iq/full", iq_stanza_handler, 1);