local is_admin = require "core.usermanager".is_admin;

local t_remove = table.remove;

local restricted_options = module:get_option_set("muc_config_restricted", {})._items;

function handle_config_submit(event)

	local stanza = event.stanza;

	if is_admin(stanza.attr.from, module.host) then return; end -- Don't restrict admins

	local fields = event.fields;

	for option in restricted_options do

		fields[option] = nil; -- Like it was never there

	end

end

function handle_config_request(event)

	if is_admin(event.actor, module.host) then return; end -- Don't restrict admins

	local form = event.form;

	for i = #form, 1, -1 do

		if restricted_options[form[i].name] then

			t_remove(form, i);

		end

	end

end

module:hook("muc-config-submitted", handle_config_submit);

module:hook("muc-config-form", handle_config_request);