-- Copyright (C) 2012-2013 Kim Alvefur

local um = require "core.usermanager";

local sm = require "core.storagemanager";

local dm_load = require "util.datamanager".load;

local jid_join = require"util.jid".join;

local multipliers = {

	d = 86400, -- day

	w = 604800, -- week

	m = 2629746, -- month

	y = 31556952, -- year

}

local output_formats = {

	default = "%s",

	event = "%s %s %s",

	delete = "user:delete%q -- %s -- %s"

}

function module.command(arg)

	if #arg < 2 then

		print("usage: prosodyctl mod_list_inactive example.net time [format]");

		print("time is a number followed by 'day', 'week', 'month' or 'year'");

		print("formats are:");

		for name, fmt in pairs(output_formats) do

			print(name, fmt:format("user@example.com", "<last action>", "<last action timestamp>"))

		end

		return;

	end

	local items = {};

	local host = arg[1];

	assert(hosts[host], "Host "..tostring(host).." does not exist");

	sm.initialize_host(host);

	um.initialize_host(host);

	local max_age, unit = assert(arg[2], "No time range given"):match("^(%d*)%s*([dwmy]?)");

	max_age = os.time() - ( tonumber(max_age) or 1 ) * ( multipliers[unit] or 1 );

	local output = assert(output_formats[arg[3] or "default"], "No such output format: "..tostring(arg[3] or "default"));

	for user in um.users(host) do

		local last_active = dm_load(user, host, "lastlog");

		local last_action = last_active and last_active.event or "?"

		last_active = last_active and last_active.timestamp or 0;

		if last_active < max_age then

			print(output:format(jid_join(user, host), last_action, os.date('%Y-%m-%d %H:%M:%S', last_active)));

		end

	end

end