#!/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;
}

do_internet_led_rename()
{
	config_load system

	[ -n $(config_get led_internet name) ] || return
	[ -z $(config_get led_dsl name) ] || return

	uci rename system.led_internet=led_dsl
	uci set system.led_dsl.name=dsl

	LED_OPTIONS_CHANGED=1
	logger -t led-migration "internet led renamed to dsl"
}

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

case "$(board_name)" in
arcadyan,arv452cqw|\
arcadyan,arv7510pw22|\
arcadyan,arv7519rw22|\
arcadyan,arv752dpw|\
arcadyan,arv752dpw22|\
alphanetworks,asl56026|\
bt,homehub-v2b|\
bt,homehub-v3a|\
bt,homehub-v5a|\
avm,fritz7360sl|\
arcadyan,vg3503j)
	do_internet_led_rename
	;;
netgear,dgn3500|\
netgear,dgn3500b)
	migrate_leds "dgn3500:blue:wireless=dgn3500:green:wireless"
	;;
*)
	;;
esac

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

exit 0