--[[

     Licensed under GNU General Public License v2
      * (c) 2013,      Luca CPZ
      * (c) 2010-2012, Peter Hofmann

--]]

local helpers = require('lain.helpers')
local wibox = require('wibox')
local open, match = io.open, string.match

-- System load
-- lain.widget.sysload

local function factory(args)
	args = args or {}

	local sysload = { widget = args.widget or wibox.widget.textbox() }
	local timeout = args.timeout or 2
	local settings = args.settings or function() end

	function sysload.update()
		local f = open('/proc/loadavg')
		local ret = f:read('*all')
		f:close()

		load_1, load_5, load_15 = match(ret, '([^%s]+) ([^%s]+) ([^%s]+)')

		widget = sysload.widget
		settings()
	end

	helpers.newtimer('sysload', timeout, sysload.update)

	return sysload
end

return factory