local datamanager = require "util.datamanager";

local st = require "util.stanza";

local datetime = require "util.datetime";

local ipairs = ipairs;

module:add_feature("msgoffline");

module:hook("message/offline/store", function(event)

	local origin, stanza = event.origin, event.stanza;

	local to = stanza.attr.to;

	local node, host;

	if to then

		node, host = jid_split(to)

	else

		node, host = origin.username, origin.host;

	end

	stanza.attr.stamp, stanza.attr.stamp_legacy = datetime.datetime(), datetime.legacy();

	local result = datamanager.list_append(node, host, "offline", st.preserialize(stanza));

	stanza.attr.stamp, stanza.attr.stamp_legacy = nil, nil;

	return true;

end);

module:hook("message/offline/broadcast", function(event)

	local origin = event.origin;

	local node, host = origin.username, origin.host;

	local data = datamanager.list_load(node, host, "offline");

	if not data then return true; end

	for _, stanza in ipairs(data) do

		stanza = st.deserialize(stanza);

		stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = host, stamp = stanza.attr.stamp}):up(); -- XEP-0203

		stanza:tag("x", {xmlns = "jabber:x:delay", from = host, stamp = stanza.attr.stamp_legacy}):up(); -- XEP-0091 (deprecated)

		stanza.attr.stamp, stanza.attr.stamp_legacy = nil, nil;

		origin.send(stanza);

	end

	return true;

end);

module:hook("message/offline/delete", function(event)

	local origin = event.origin;

	local node, host = origin.username, origin.host;

	return datamanager.list_store(node, host, "offline", nil);

end);