#!/bin/sh

. /lib/functions.sh

restore_nvram () {
	restore=`nvram get restore_defaults`
	country=`nvram get CountryCode`
	if [ "$restore" = "1" ]; then
		flag_name=`uci get misc.mount_bind_etc.flag_name`
		nvram set $flag_name=1
		mtd erase overlay
	fi
	wl0_ssid=`nvram get wl0_ssid`
	if [ -z "$wl0_ssid" ]; then
		nvram_corrupt=1
	fi
	ft_mode=`cat /proc/xiaoqiang/ft_mode`
	if [ "$ft_mode" != "1" ]; then
		nvam_sn=`nvram get SN`
		if [ -z "$nvam_sn" ]; then
			nvram_corrupt=1
		fi
	fi


	#restore: 1, 恢复出厂设置；2，ota升级
	#nvram_corrupt: 1, nvram被破坏
	if [ -s /usr/share/xiaoqiang/xiaoqiang-defaults.txt ]; then
		if [ "$restore" = "1" ] || [ "$restore" = "2" ] || [ "$nvram_corrupt" = "1"  ]; then
			if [ "$restore" = "1" ]; then
				nvram clear /usr/share/xiaoqiang/xiaoqiang-reserved.txt
			fi

			cat /usr/share/xiaoqiang/xiaoqiang-defaults.txt | while read line
			do
			        nvram set "$line"
			done

			bdata sync

			if [ "$restore" = "2" ];then
				nvram set CountryCode=$country
			fi

			if [ "$restore" = "1" ];then
                                num=`nvram get wl1_ssid | cut -b 8-11`
                                temp=0x"$num"
                                newnum="000"`printf "%x\n" $((0xffff-$temp))`
                                pos=`expr length $newnum - 4`
                                newnum=`echo ${newnum:$pos:4} | tr [a-z] [A-Z]`
                                ssid2G=`nvram get wl1_ssid`
                                ssid5G=`nvram get wl0_ssid | cut -b -11`
                                result2G=`echo $ssid2G"_"$newnum`
                                result5G=`echo $ssid5G"_"$newnum"_5G"`
                                nvram set wl1_ssid=$result2G
                                nvram set wl0_ssid=$result5G
                        fi

			nvram commit

			echo "nvram restore done."
		fi
	fi

}

boot_hook_add preinit_main restore_nvram