#!/bin/sh
[ "$1" = --First ] && A=Y || A=N
# 防止重复启动
[ -f /var/lock/bypass.lock -a $A = N ] && exit 1
LOCK=/var/lock/bypass-update.lock
[ -f $LOCK ] && exit 1
touch $LOCK
DIR=/usr/share/bypass
TMP=/tmp/bypass

log(){
	[ $A = N ] && echo "$(date +'%Y-%m-%d %H:%M:%S') $*" >> /var/log/bypass.log
}

C=$(uci -q get bypass.@global[0].run_mode)

if [ $A = Y ];then
		mkdir -p $TMP
fi
if [ "$C" = router ];then
	if [ $A = Y ];then
		mkdir -p $TMP
		while ! B=$(curl -kLfsm 9 https://ispip.clang.cn/all_cn.txt);do
			sleep 2
		done
	else
		B=$(curl -kLfsm 9 https://ispip.clang.cn/all_cn.txt)
	fi
	[ -n "$B" ] && echo "$B" > /tmp/china.txt

	if ! cmp -s /tmp/china.txt $TMP/china.txt;then
		log "Update China IP List!"
		cp -f /tmp/china.txt $TMP/china.txt
		[ $A = N ] && ipset list china_v4 >/dev/null 2>&1 && $DIR/chinaipset
	else
		log "China IPv4 List is up to date!"
	fi

	if [ $A = Y ];then
		mkdir -p $TMP
		while ! D=$(curl -kLfsm 9 https://ispip.clang.cn/all_cn_ipv6.txt);do
			sleep 2
		done
	else
		D=$(curl -kLfsm 9 https://ispip.clang.cn/all_cn_ipv6.txt)
	fi
	[ -n "$D" ] && echo "$D" > /tmp/china_v6.txt

	if ! cmp -s /tmp/china_v6.txt $TMP/china_v6.txt;then
		log "Update China IPv6 List!"
		cp -f /tmp/china_v6.txt $TMP/china_v6.txt
		[ $A = N ] && ipset list china_v6 >/dev/null 2>&1 && $DIR/chinaipset v6
	else
		log "China IPv6 List is up to date!"
	fi
fi

if [ "$C" = gfw -o "$(uci -q get bypass.@global[0].gfw_mode)" = 1 ];then
	if [ $A = Y ];then
		while ! curl -kLfsm 5 -o /tmp/gfw.b64 https://cdn.jsdelivr.net/gh/gfwlist/gfwlist/gfwlist.txt;do
			sleep 2
		done
	else
		curl -Lfso /tmp/gfw.b64 https://cdn.jsdelivr.net/gh/gfwlist/gfwlist/gfwlist.txt || curl -Lfso /tmp/gfw.b64 https://raw.githubusercontent.com/gfwlist/gfwlist/master/gfwlist.txt
	fi
	$DIR/by-gfw
	if ! cmp -s /tmp/gfwnew.txt $TMP/gfw.list;then
		cp -f /tmp/gfwnew.txt $TMP/gfw.list
		log "Update GFW List!"
		[ $A = N ] && /etc/init.d/bypass restart
	else
		log "GFW List is up to date!"
	fi
fi
rm -f $LOCK /tmp/china*.txt /tmp/gfwnew.txt
[ $A = Y ] && /etc/init.d/bypass start &