--[[
Copyright 2013 Nils Schneider <nils@nilsschneider.net>
Copyright 2017 Karsten Böddeker <freifunk@kb-light.de>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0
]]--

local uci = require('simple-uci').cursor()
local autoupdater = uci:get_first('autoupdater', 'autoupdater')
local wifi_fallback = uci:get_first('autoupdater-wifi-fallback', 'autoupdater-wifi-fallback')

local f = Form(translate('Automatic updates'))
local s = f:section(Section)
local o

o = s:option(Flag, 'enabled', translate('Enable'))
o.default = uci:get_bool('autoupdater', autoupdater, 'enabled')
function o:write(data)
	uci:set('autoupdater', autoupdater, 'enabled', data)
end

o = s:option(ListValue, 'branch', translate('Branch'))
uci:foreach('autoupdater', 'branch',
	function (section)
		o:value(section['.name'])
	end
)
o.default = uci:get('autoupdater', autoupdater, 'branch')
function o:write(data)
	uci:set('autoupdater', autoupdater, 'branch', data)
end

o = s:option(Value, "minute", translate("Minute"), translate(
	"This value forces the autoupdater to check for updates at the "
	.. "specified minute. Normally there is no need to set this value "
	.. "because it is selected automatically. You may want to set this to "
	.. "a specific value if you have multiple nodes which should not "
	.. "update at the same time."
))
o.datatype = "irange(0, 59)"
o.default = uci:get("gluon", "autoupdater", "minute")
o.optional = true

function o:write(data)
	if data == uci:get("gluon", "autoupdater", "minute") then
		return
	end
	uci:set("gluon", "autoupdater", "minute", data)

	if data then
		local f = io.open("/usr/lib/micron.d/autoupdater", "w")
		f:write(string.format("%i 4 * * * /usr/sbin/autoupdater\n", data))
		f:write(string.format("%i 0-3,5-23 * * * /usr/sbin/autoupdater --fallback\n", data))
		f:close()
	end
end

local s = f:section(Section, translate('Wifi fallback updates'))

o = s:option(Flag, 'enabled', translate('Enable'))
o.default = uci:get_bool('autoupdater-wifi-fallback', wifi_fallback, 'enabled')
function o:write(data)
	uci:set('autoupdater-wifi-fallback', wifi_fallback, 'enabled', data)
	uci:commit('autoupdater-wifi-fallback')
end

function f:write()
	uci:commit('autoupdater')
	uci:commit("gluon")
end

return f