#!/bin/sh
export LC_ALL="en_US.UTF-8"

# working directory of koreader
KOREADER_DIR=/mnt/onboard/.kobo/koreader

# update to new version from OTA directory
NEWUPDATE="${KOREADER_DIR}/ota/koreader.updated.tar"
INSTALLED="${KOREADER_DIR}/ota/koreader.installed.tar"
if [ -f $NEWUPDATE ]; then
    # TODO: any graphic indication for the updating progress?
    cd /mnt/onboard/.kobo && tar xf $NEWUPDATE && mv $NEWUPDATE $INSTALLED
fi

# we're always starting from our working directory
cd $KOREADER_DIR

# load our own shared libraries if possible
export LD_LIBRARY_PATH=${KOREADER_DIR}/libs:$LD_LIBRARY_PATH

# export trained OCR data directory
export TESSDATA_PREFIX="data"

# export dict directory
export STARDICT_DATA_DIR="data/dict"

# export external font directory
export EXT_FONT_DIR="/mnt/onboard/fonts"

# fast and dirty way of check if we are called from nickel
# through fmon, or from another launcher (KSM or advboot)
from_nickel=`pidof nickel | wc -c`

if [ $from_nickel -ne 0 ]; then
    # stop kobo software because is running
    killall nickel hindenburg fmon 2>/dev/null
fi

# fallback for old fmon (and advboot) users
if [ `echo $@ | wc -c` -eq 1 ]; then
    args="/mnt/onboard"
else
    args=$@
fi

# check whether PLATFORM has a value assigned by rcS
# PLATFORM is used in koreader for the path to the WiFi drivers
if [ -n "$PLATFORM" ]; then
  PLATFORM=freescale
  if [ `dd if=/dev/mmcblk0 bs=512 skip=1024 count=1 | grep -c "HW CONFIG"` == 1 ]; then
    CPU=`ntx_hwconfig -s -p /dev/mmcblk0 CPU`
    PLATFORM=$CPU-ntx
  fi

  if [ $PLATFORM == freescale ]; then
    if [ ! -s /lib/firmware/imx/epdc_E60_V220.fw ]; then
      mkdir -p /lib/firmware/imx
      dd if=/dev/mmcblk0 bs=512K skip=10 count=1 | zcat > /lib/firmware/imx/epdc_E60_V220.fw
      sync
    fi
  elif [ ! -e /etc/u-boot/$PLATFORM/u-boot.mmc ]; then
    PLATFORM=ntx508
  fi
  export PLATFORM
fi
# end of value check of PLATFORM

./reader.lua $args 2> crash.log

if [ $from_nickel -ne 0 ]; then
    # start kobo software because was running before koreader
    ./nickel.sh
else
    # if we were called from advboot then we must reboot to go to the menu
    if [ -d /mnt/onboard/.kobo/advboot ]; then
        reboot
    fi
fi