local filters = require "util.filters";

local replacements = module:get_option("filter_words", {});

if not replacements then

	module:log("warn", "No 'filter_words' option set, filters inactive");

	return

end

function filter_stanza(stanza)

	if stanza.name == "message" then

		local body = stanza:get_child("body");

		if body then

			body[1] = body[1]:gsub("%a+", replacements);

		end

	end

	return stanza;

end

function filter_session(session)

	filters.add_filter(session, "stanzas/in", filter_stanza);

end

function module.load()

	if module.reloading then

		module:log("warn", "RELOADING!!!");

	end

	filters.add_filter_hook(filter_session);

end

function module.unload()

	filters.remove_filter_hook(filter_session);	

end