#!/bin/bash

###
### Attempt to safely clean any binary data out of the system config.
###
. /etc/profile

J_DIR="/storage/.config/system"
L_CONF="${J_DIR}/configs/last_system.cfg"

get_setting() {
  if [ ! -z "${3}" ]
  then
    ### Test to see if we have a game setting.
    VAR="$2\[\"$(echo ${3} | sed 's/[\(\)]/\\&/g')\"\]\.$1"
    OUTPUT=$(awk 'BEGIN {FS="="} /^'"${VAR}"'/ {print $NF}' ${L_CONF})
    if [ ! -z "${OUTPUT}" ]
    then
      echo ${OUTPUT}
      return
    else
      ### If not, check to see if we have a system setting.
      awk -F: '/^'"${2}.${1}"'=/ { st = index($0,"=");print substr($0,st+1);exit}' ${L_CONF}
      return
    fi
  elif [ -z "${3}" ] && [ ! -z "${2}" ]
  then
      ### Check to see if we have a system setting.
      awk -F: '/^'"${2}.${1}"'=/ {  st = index($0,"=");print substr($0,st+1);exit}' ${L_CONF}
      return
  else
    ### Check to see if we have a global setting
    awk -F: '/^'"${1}"='/ { st = index($0,"=");print substr($0,st+1);exit}' ${L_CONF}
    return
  fi
}

cd /storage/.config/system/configs
cp system.cfg last_system.cfg
TYPE=$(grep a system.cfg 2>&1)
if [[ "${TYPE}" =~ binary ]]
then
  cp /usr/config/system/configs/system.cfg .
  awk 'BEGIN {FS="="} /^[A-z]/ {print $1}' last_system.cfg >/tmp/keys
  while read line;
  do
    if [[ "${line}" =~ \[ ]]
    then
      continue
    fi
    if [ -n "${line}" ]
    then
      set_setting ${line} "$(get_setting ${line})"
    fi
  done < /tmp/keys
fi