-- ------ hotplug script configuration ------ --

fs = require "nixio.fs"
ut = require "luci.util"

script = "/etc/mwan3.user"

m5 = SimpleForm("luci", nil)
	m5:append(Template("mwan/advanced_hotplugscript")) -- highlight current tab

f = m5:section(SimpleSection, nil,
	translate("This section allows you to modify the content of \"/etc/mwan3.user\".<br />" ..
	"The file is also preserved during sysupgrade.<br />" ..
	"<br />" ..
	"Notes:<br />" ..
	"This file is interpreted as a shell script.<br />" ..
	"The first line of the script must be &#34;#!/bin/sh&#34; without quotes.<br />" ..
	"Lines beginning with # are comments and are not executed.<br />" ..
	"Put your custom mwan3 action here, they will<br />" ..
	"be executed with each netifd hotplug interface event<br />" ..
	"on interfaces for which mwan3 is enabled.<br />" ..
	"<br />" ..
	"There are three main environment variables that are passed to this script.<br />" ..
	"<br />" ..
	"$ACTION Either \"ifup\" or \"ifdown\"<br />" ..
	"$INTERFACE Name of the interface which went up or down (e.g. \"wan\" or \"wwan\")<br />" ..
	"$DEVICE Physical device name which interface went up or down (e.g. \"eth0\" or \"wwan0\")<br />" ..
	"<br />"))

t = f:option(TextValue, "lines")
	t.rmempty = true
	t.rows = 20
	function t.cfgvalue()
		return fs.readfile(script)
	end
	function t.write(self, section, data) -- format and write new data to script
		return fs.writefile(script, ut.trim(data:gsub("\r\n", "\n")) .. "\n")
	end

return m5