#!/bin/sh
CKTIME=$(date "+%Y-%m-%d-%H")
LAST_OPVER="/tmp/openclash_last_version"
OP_CV=$(sed -n 1p /usr/share/openclash/res/openclash_version 2>/dev/null |awk -F '-' '{print $1}' |awk -F 'v' '{print $2}' |awk -F '.' '{print $2$3}' 2>/dev/null)
OP_LV=$(sed -n 1p $LAST_OPVER 2>/dev/null |awk -F '-' '{print $1}' |awk -F 'v' '{print $2}' |awk -F '.' '{print $2$3}' 2>/dev/null)
HTTP_PORT=$(uci get openclash.config.http_port 2>/dev/null)
PROXY_ADDR=$(uci get network.lan.ipaddr 2>/dev/null |awk -F '/' '{print $1}' 2>/dev/null)

if [ -s "/tmp/openclash.auth" ]; then
   PROXY_AUTH=$(cat /tmp/openclash.auth |awk -F '- ' '{print $2}' |sed -n '1p' 2>/dev/null)
fi

VERSION_URL="https://cdn.jsdelivr.net/gh/vernesong/OpenClash@master/version"
if [ "$CKTIME" != "$(grep "CheckTime" $LAST_OPVER 2>/dev/null |awk -F ':' '{print $2}')" ]; then
   if pidof clash >/dev/null; then
      curl -sL --connect-timeout 10 --retry 2 -x http://$PROXY_ADDR:$HTTP_PORT -U "$PROXY_AUTH" "$VERSION_URL" -o $LAST_OPVER >/dev/null 2>&1
   else
      curl -sL --connect-timeout 10 --retry 2 "$VERSION_URL" -o $LAST_OPVER >/dev/null 2>&1
   fi
   if [ "$?" -eq "0" ] && [ -s "$LAST_OPVER" ]; then
   	  OP_LV=$(sed -n 1p $LAST_OPVER 2>/dev/null |awk -F '-' '{print $1}' |awk -F 'v' '{print $2}' |awk -F '.' '{print $2$3}' 2>/dev/null)
      if [ "$(expr "$OP_CV" \>= "$OP_LV")" -eq 1 ]; then
         sed -i "/^https:/i\CheckTime:${CKTIME}" "$LAST_OPVER" 2>/dev/null
         sed -i '/^https:/,$d' $LAST_OPVER
      elif [ "$(expr "$OP_LV" \> "$OP_CV")" -eq 1 ] && [ -n "$OP_LV" ]; then
         sed -i "/^https:/i\CheckTime:${CKTIME}" "$LAST_OPVER" 2>/dev/null
         return 2
      fi
   else
      rm -rf "$LAST_OPVER"
   fi
elif [ "$(expr "$OP_CV" \>= "$OP_LV")" -eq 1 ]; then
   sed -i '/^CheckTime:/,$d' $LAST_OPVER
   echo "CheckTime:$CKTIME" >> $LAST_OPVER
elif [ "$(expr "$OP_LV" \> "$OP_CV")" -eq 1 ] && [ -n "$OP_LV" ]; then
   return 2
fi 2>/dev/null
