#!@BASH@

VERSION="@VERSION@"

case "$1" in
  -h)
    echo Usage
    echo $0
    echo "  Start NFD"
    exit 0
    ;;
  -V)
    echo $VERSION
    exit 0
    ;;
  "") ;; # do nothing
  *)
    echo "Unrecognized option $1"
    exit 1
    ;;
esac

hasProcess() {
  local processName=$1

  if pgrep -x $processName >/dev/null
  then
    echo $processName
  fi
}

hasNFD=$(hasProcess nfd)

if [[ -n $hasNFD ]]
then
  echo 'NFD is already running...'
  exit 1
fi

if ! ndnsec get-default &>/dev/null
then
  ndnsec key-gen /localhost/operator | ndnsec cert-install -
fi

if ! sudo true
then
  echo 'Unable to obtain superuser privilege'
  exit 2
fi

sudo @BINDIR@/nfd &

if [ -f @SYSCONFDIR@/ndn/nfd-init.sh ]; then
  sleep 2 # post-start is executed just after nfd process starts, but there is no guarantee
  # that all initialization has been finished
  . @SYSCONFDIR@/ndn/nfd-init.sh
fi

if [ -f @SYSCONFDIR@/ndn/autoconfig.conf ]; then
  sleep 2 # post-start is executed just after nfd process starts, but there is no guarantee
  @BINDIR@/ndn-autoconfig -d -c "@SYSCONFDIR@/ndn/autoconfig.conf" &
fi