#!/bin/sh
#
# Script to import configuration files with exclude list
# Parameters:
#  $1: password used to decrypt the configuration file
#  $2: list of files to be excluded when expanded.
#  $3: (optional) path where the configuration file is located.
#      If not gives it search for the first mounted SD card partition

# Configuration
# set -x -u
IMPORTER=/home/tool/bin/7za
TARGET_DIR=/home/tool/config

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

XFILELIST=$2

if [ $#  -lt 3 ]; then
  echo "Import file name required" >&2
  exit 1
fi

IMPORTFNAME=$3
if [ "$IMPORTFNAME" = "" ]; then
  echo "Empty import file name given" >&2
  exit 1
fi
CFG_FILE=$IMPORTFNAME
###

if [ $# -gt 3 ]; then
  # use provided path
  INPUT_FILE=$4/$CFG_FILE
  XFILELIST_PATH=$4/$XFILELIST
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 $SD_PATH ];then
    echo "SD card not mounted" >&2
    exit 1
  fi
  INPUT_FILE=$SD_PATH/$CFG_FILE
  XFILELIST_PATH=$XFILELIST
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

echo $TARGET_DIR
echo $INPUT_FILE
echo $XFILELIST_PATH
echo "--now run...."
$IMPORTER x $INPUT_FILE -p"$PWD" -o$TARGET_DIR -x@$XFILELIST_PATH -x\!wlan/suppl -x\!default -x\!langs -x\!log -y > /dev/null

sync
RETVAL=$?

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

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

exit $RETVAL