#!/bin/sh
#
# Copyright (C) 2013 OpenWrt.org
#

LED_OPTIONS_CHANGED=0

. /lib/functions.sh

do_led_update_sysfs()
{
	local cfg=$1; shift
	local tuples="$@"
	local sysfs
	local name

	config_get sysfs $cfg sysfs
	config_get name $cfg name

	[ -z "$sysfs" ] && return

	for tuple in $tuples; do
		local old=${tuple%=*}
		local new=${tuple#*=}
		local new_sysfs

		new_sysfs=$(echo ${sysfs} | sed "s/${old}/${new}/")

		[ "$new_sysfs" = "$sysfs" ] && continue

		uci set system.${cfg}.sysfs="${new_sysfs}"
		LED_OPTIONS_CHANGED=1

		logger -t led-migration "sysfs option of LED \"${name}\" updated to ${new_sysfs}"
	done;
}

migrate_leds()
{
	config_load system
	config_foreach do_led_update_sysfs led "$@"
}

case "$(board_name)" in
DGN3500*)
	migrate_leds "dgn3500:blue:wireless=dgn3500:green:wireless"
	;;
*)
	;;
esac

[ "$LED_OPTIONS_CHANGED" = "1" ] && uci commit system

exit 0