local helper = require "util.discohelper".new();

local hosts = hosts;

local jid_split = require "util.jid".split;

local jid_bare = require "util.jid".bare;

local usermanager_user_exists = require "core.usermanager".user_exists;

local rostermanager_is_contact_subscribed = require "core.rostermanager".is_contact_subscribed;

local print = print;

do

	helper:addDiscoInfoHandler("*host", function(reply, to, from, node)

		if hosts[to] then

			reply:tag("identity", {category="server", type="im", name="Prosody"}):up();

			return true;

		end

	end);

	helper:addDiscoInfoHandler("*node", function(reply, to, from, node)

		local node, host = jid_split(to);

		if hosts[host] and rostermanager_is_contact_subscribed(node, host, jid_bare(from)) then

			reply:tag("identity", {category="account", type="registered"}):up();

			return true;

		end

	end);

end

module "discomanager"

function handle(stanza)

	return helper:handle(stanza);

end

function addDiscoItemsHandler(jid, func)

	return helper:addDiscoItemsHandler(jid, func);

end

function addDiscoInfoHandler(jid, func)

	return helper:addDiscoInfoHandler(jid, func);

end

function set(plugin, var, origin)

	-- TODO handle origin and host based on plugin.

	local handler = function(reply, to, from, node) -- service discovery

		if #node == 0 then

			reply:tag("feature", {var = var}):up();

			return true;

		end

	end

	addDiscoInfoHandler("*node", handler);

	addDiscoInfoHandler("*host", handler);

end

return _M;