#!/bin/sh
#
# Script to export configuration files
# Parameters:
#  $1: password used to decrypt the configuration file
#  $2: (optional) path where the configuration file is located.
#      If not gives it search for the first mounted SD card partition

# Configuration
HOME_TOOL=/home/tool
IMPORTER=$HOME_TOOL/bin/7za
TARGET_DIR=$HOME_TOOL/config

# check importer
if [ ! -e $IMPORTER ]; then
  echo "Importer not found" >&2
  exit 1
fi

# password check
if [ $#  -eq 0 ]; then
  echo "Password required" >&2
  exit 1
fi
PWD=$1
if [ "$PWD" = "" ]; then
  echo "No empty password" >&2
  exit 1
fi

###
if [ $#  -eq 1 ]; then
  echo "Import file name required" >&2
  exit 1
fi
IMPORTFNAME=$2
if [ "$IMPORTFNAME" = "" ]; then
  echo "Empty import file name given" >&2
  exit 1
fi
CFG_FILE=$IMPORTFNAME
###

if [ $# -gt 2 ]; then
  # use provided path
  INPUT_FILE=$3/$CFG_FILE
else
  # use SD card

  # check SD
  BLOCK_LIST=$(find /sys/class/block/mmcblk* -maxdepth 0 2>/dev/null)
  if [ ! $? -eq 0 ]; then
    echo "No SD card" >&2
    exit 1
  fi

  # get SD mount path
  PART_LIST=$(find /sys/class/block/mmcblk*p* -maxdepth 0 2>/dev/null)
  if [ ! $? -eq 0 ]; then
    # No partitions
    DEV_PATH=$(find /sys/class/block/mmcblk* -maxdepth 0 | head -n 1)
  else
    # Partitions. get the first
    DEV_PATH=$(find /sys/class/block/mmcblk*p* -maxdepth 0 | head -n 1)
  fi
  SD_PATH=/mnt/mmc/$(basename $DEV_PATH)
  if [ ! -e $SD_PATH ];then
    echo "SD card not mounted" >&2
    exit 1
  fi
  if [ $IMPORTFNAME = "config.cfg" ]; then
    filenumber=`ls $SD_PATH/config/*.nxcfg | wc -l`
    if [ ! $filenumber -eq 1 ]; then
      echo "No or more than one *.nxcfg file found" >&2
      exit 1
    else
      CFG_FILE=`ls $SD_PATH/config/*.nxcfg`
      CFG_FILE=/config/`basename $CFG_FILE`
    fi
  fi
  INPUT_FILE=$SD_PATH/$CFG_FILE
  #BASE_INPUT_FILE=`basename $INPUT_FILE`
  #VERSION=`cat /etc/version`
  #if [[ 'false' == `/usr/local/bin/python -c "import sys, re; version = sys.argv[1]; filename = sys.argv[2]; p = re.compile('(.*)(-[0-9]{14,14}\.cfg)'); m = p.match(filename); print 'false' if m == None else 'true' if m.groups(0)[0] == version else 'false'" $VERSION $BASE_INPUT_FILE` ]]; then
  #  echo "Wrong configuration version" >&2
  #  exit 1
  #fi
fi

# check input file
if [ ! -e $INPUT_FILE ]; then
  echo "Configuration file not found" >&2
  exit 1
fi

$IMPORTER t $INPUT_FILE -p$PWD > /dev/null
RETVAL=$?

if [ $RETVAL -eq 2 ];then
  echo "Wrong configuration version" >&2
  exit 1
fi

if [ $RETVAL -ne 0 ];then
  echo Failure
  exit $RETVAL
fi

#rdy system wegnehmen
dbus-send --system --print-reply --dest=com.rexroth.akku.SysService /SysObj com.rexroth.akku.SysInterface.frdyflagreset int32:3

# CR12714: we do not want to delete any config files.
#find $HOME_TOOL/config/* ! -path $HOME_TOOL/config/default/\* ! -name ChanCfg.json ! -name w1_backup -delete
$IMPORTER x $INPUT_FILE -p$PWD -o$TARGET_DIR -x\!wlan/suppl -x\!default -x\!langs -x\!log -y > /tmp/sd_card_importer
sync
RETVAL=$?

if [ $RETVAL -eq 0 ];then
  echo Success
fi

if [ $RETVAL -ne 0 ];then
  echo Failure
fi

exit $RETVAL