#!/bin/bash
#GPL
#set -x
BPILICENSE="GPLv2 or any later version"
BPICMD="bpi-tools"
BPICMDVERSION="v1.3.1(github)"
BPIOPT="$*"
CONFFILE=""
F_ALL="no"
F_UPDATE="no"
F_UPGRADE="no"
F_DOWNLOAD="no"
F_VERSION="no"
F_HELP="no"
F_BOARD="no"

IMGFILE=$1
BPIFILE="$HOME/.${BPICMD}.lst"
#
## Hello from Google,
## On Aug 31, 2016, we will discontinue serving content via 
## googledrive.com/host/[id] and the webpages will not be accessible anymore.
#
#BPIURL="https://googledrive.com/host/0B6FbwMfcqfFZTUpocHhQbzZJSkk"
BPIURL="https://github.com/BPI-SINOVOIP/BPI-files/raw/master/others/for-bpi-tools/bpi-tools.lst"
BPIURLNEW=""
if [[ $DEVICE == "" ]]; then DEVICE="/dev/mmcblk0"; fi
#
## URLBASE
#
URLBASE="https://github.com/BPI-SINOVOIP/BPI-files/raw/master"
#
## URLCONF
#
URLCONF="${URLBASE}/others/for-bpi-tools/conf"
#
# update / download
#

######################################################
for IN in "$@"
do
  if [[ "$IN" == *"="* ]] ; then
    P=${IN%%=*}
    V=${IN##*=}
    echo "INFO: $P=${V:-(empty)}"
    eval $P=$V
  fi
done
######################################################

usage() {
cat - >&2 <<EOF
${BPICMD}(${BPICMDVERSION}), bananapi system tools.

Usage: ${BPICMD} [OPTIONS]...
       ${BPICMD} [ --help | -v | --version ]
       ${BPICMD}

Options:

  -A, --all             all for tools
  -u, --update          update index files
  -U, --upgrade         donwload & upgrade files
  -G, --download        donwload files
  -c, --config          config file
  -h, --help            Print usage
  -v, --version         Print version information and quit

Info:
  default without Options will turn on -A for auto install

How to insatll from github:
curl -sL https://github.com/BPI-SINOVOIP/bpi-tools/raw/master/bpi-tools | sudo -E bash -

EOF
#  exit 1
}

F_INDEX=
download_index() {
  if [ "x${F_INDEX}" == "xOK" ] ; then
    return
  fi
  echo BPIFILE=$BPIFILE
  echo "Wait for download index file ..."
  curl -s -L $BPIURL > $BPIFILE
  echo "OK!!\n"
  F_INDEX=OK
}

get_conffile() {
  CONFDIRS=". board os tools pkg"
  FILE=$1
  if [ ! -f "${FILE}" ] ; then
    echo "Wait for download $FILE ..."
    for IN in ${CONFDIRS} ; do
      U="${URLCONF}/${IN}/${FILE}"
      curl -s -L $U > $FILE
      eval `grep "^BPICONF" $FILE`
      if [ "x$FILE" == "x$BPICONF" ] ; then
        echo $U
        echo "OK!!\n"
        break 
      fi
    done
  fi
}

list_tools() {
  echo
  echo "bpi files:"
  awk '{ printf "%-12s\t%s\n", $2, $4 }' $BPIFILE
}

get_all_versions() {
  echo
  echo "bpi files:"
  for IN in `cat $BPIFILE | awk '{ print $2 }'` ; do
    IMGFILE=/usr/bin/$IN
    BPICMDVERSION="old version"
    if [ -f "${IMGFILE}" ] ; then
      eval `grep "^BPICMDVERSION" $IMGFILE`
    else
      BPICMDVERSION="NOT INSTALLED"
    fi
    echo "$IMGFILE	$BPICMDVERSION"
  done
}

get_all_tools() {
  echo
  echo "download bpi files:"
  for IN in `cat $BPIFILE | awk '{ print $2 }'` ; do
    echo $IN
    get_bpifile $IN
    chmod +x $IN
  done
}

upgrade_all_tools() {
  echo
  echo "upgrade bpi files:"
  for IN in `cat $BPIFILE | awk '{ print $2 }'` ; do
    IMGFILE=/usr/bin/$IN
    echo $IMGFILE
    if [ -f "${IN}" ] ; then
      cp -a ${IN} ${IMGFILE}
      chown root:root ${IMGFILE}
      chmod 755 ${IMGFILE}
    fi
  done
}

get_bpifile() {
  IMGFILE=$1
  MD5TMP="/tmp/.md5.tmp.$$"
#  echo "BPIFILE=$BPIFILE"
#  echo "IMGFILE=$IMGFILE"
#  echo "MD5TMP=$MD5TMP"
  LINE=`cat $BPIFILE | grep $IMGFILE`
  if [ -z "$LINE" ] ; then
    echo "INFO: $IMGFILE not found!!"
    return 1
  fi
#  echo LINE=$LINE
  set -- $LINE
  BPIURL=$3
  if [ ! -z ${BPIURLNEW} ] ; then
    BPIURL=${BPIURLNEW}/$2
  fi
  echo "$1  $2" > $MD5TMP
  curl -s -L $BPIURL > $IMGFILE
# skip md5sum check
#  md5sum -c $MD5TMP
  rm -f $MD5TMP
  file $IMGFILE | grep "shell script" >/dev/null
  SHELLCMD=$?
  if [ $SHELLCMD -eq 0 ] ; then
    eval `grep "^BPICMDVERSION" $IMGFILE`
    echo "$IMGFILE: $BPICMDVERSION"
  fi
}

requires_root() {
  if [ "$(id -u)" -ne 0 ]; then
    echo >&1 "ERROR: This command can only be used by root."
    exit 1
  fi
}

upgrade_bpi_tools() {
  requires_root
  get_all_tools
  upgrade_all_tools
  get_all_versions
}

bpi_tools_main() {
  #
  ## check HELP
  #
  if [ "x$F_HELP" == "xyes" ] ; then
    usage
  fi
  #
  ## check index file
  #
  if [ ! -f ${BPIFILE} ] ; then
    download_index
  fi
  #
  ## check no options
  ## auto turn on -A for auto upgrade, for insatll from github
  #
  if [ -z ${IMGFILE} ] ; then
    F_ALL="yes"
    usage
#    list_tools
#    exit 0
  fi
  #
  ## check 'all'
  #
  if [ "x${IMGFILE}" == "xall" ] ; then
    get_all_tools
    exit 0
  fi
  #
  ## check 'ALL' option
  #
  if [ "x$F_ALL" == "xyes" ] ; then
    download_index
    upgrade_bpi_tools
    exit 0
  fi
  #
  ## check UPDATE
  #
  if [ "x$F_UPDATE" == "xyes" ] ; then
    download_index
    list_tools
  fi
  #
  ## config DOWNLOAD
  #
  if [ "x$F_DOWNLOAD" == "xyes" ] ; then
    get_all_tools
  fi
  #
  ## config UPGRADE
  #
  if [ "x$F_UPGRADE" == "xyes" ] ; then
    upgrade_bpi_tools
  fi
  #
  ## check VERSION
  #
  if [ "x$F_VERSION" == "xyes" ] ; then
    get_all_versions
  fi
  #
  ## get_bpifile $IMGFILE
  #
  for IN in $BPIOPT ; do
    echo "INFO: Try to get $IN ..."
    get_bpifile $IN
  done
  exit 0
}


#step 0: main/getopt
BPICMDOPT="c:AuUGB:vh"

GETOPTEST=`getopt --version`
case $GETOPTEST in
getopt*) # GNU getopt
  BPI_TEMP=`getopt -l config: -l all -l update -l download -l upgrade -l board: -l version -l help -- +${BPICMDOPT} "$@"`
  ;;
*) # POSIX getopt ?
  BPI_TEMP=`getopt ${BPICMDOPT} "$@"`
  ;;
esac

if test "$?" -ne 0; then
  usage
fi

eval set -- "$BPI_TEMP"

BPIDOPTS=""

while test "X$1" != "X--"; do
  case "$1" in
    -c|--config)
       shift
       CONFFILE="$1"
       echo "CONFFILE=${CONFFILE}"
       #
       ## run config file
       #
       get_conffile ${CONFFILE}
       if [ -f "${CONFFILE}" ] ; then
         . ${CONFFILE}
       fi
       #
       ;;
    -B|--board)
       shift
       F_BOARD="yes"
       SET_BOARD="$1"
       echo "SET_BOARD=${SET_BOARD}"
       ;;
    -A|--all)
       F_ALL="yes"
       echo "F_ALL=${F_ALL}"
       ;;
    -u|--update)
       F_UPDATE="yes"
       echo "F_UPDATE=${F_UPDATE}"
       ;;
    -U|--upgrade)
       F_UPGRADE="yes"
       echo "F_UPGRADE=${F_UPGRADE}"
       ;;
    -G|--download)
       F_DOWNLOAD="yes"
       echo "F_DOWNLOAD=${F_DOWNLOAD}"
       ;;
    -v|--version)
       F_VERSION="yes"
       echo "F_VERSION=${F_VERSION}"
       ;;
    -h|--help)
       F_HELP="yes"
       echo "F_HELP=${F_HELP}"
       ;;
  esac
  shift
done

shift #get rid of the '--'
BPIOPT=$*
#echo BPTOPT=$BPIOPT


#step 1: main
bpi_tools_main