#!/bin/sh

### BEGIN INIT INFO
# Provides:       ipfs
# Required-Start:    $local_fs $remote_fs $network $syslog $named
# Required-Stop:     $local_fs $remote_fs $network $syslog $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the ipfs daemon
### END INIT INFO

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=#AIM#
IPFS_UID=#UID#
IPFS_GID=#GID#
IPFS_PID_FILE=/var/run/ipfs.pid
IPFS_DATA=#DATA#

test -x $DAEMON || exit 0
. /lib/lsb/init-functions


ipfs_start() {
  export "IPFS_PATH=$IPFS_DATA"
  if start-stop-daemon --start --quiet --background \
    --pidfile $IPFS_PID_FILE --make-pidfile \
    --chuid $IPFS_UID:$IPFS_GID --exec $DAEMON -- daemon
  then
    log_end_msg 0
  else
    log_end_msg 1
    rm -f $IPFS_PID_FILE
  fi
} # ipfs_start

ipfs_console() {
  export "IPFS_PATH=$DATA_DIR"
  export "HOME=$DATA_DIR"
  line=
  while [ "$line" != "exit" ] ; do
    echo -n 'ipfs:> '
    read line
    #parse exit string
    [ "$line" == "quit" ] && line=exit
    # exec ipfs <comands>
    [ "$line" == "exit" ] || sudo -E -u ipfs ipfs $line
    [ "$?" == "1" ] && {
      echo "command failed"
      echo "use 'help' to show subcomands"
      echo "use '<subcmd> --help' for more information"
      echo "use 'exit' to leave the console"
    }
  done
} # ipfs_console

case "$1" in
  start)
    if [ -s $IPFS_PID_FILE ] && kill -0 $(cat $IPFS_PID_FILE) >/dev/null 2>&1; then
      log_progress_msg "apparently already running"
      log_end_msg 0
      exit 0
    fi
    log_daemon_msg "Startin ipfs daemon" "ipfs"
    ipfs_start
    ;;
  stop)
    log_daemon_msg "Stopping ipfs daemon" "ipfs"
    start-stop-daemon --stop --quiet --oknodo --pidfile $IPFS_PID_FILE
    og_end_msg $?
    rm -f $IPFS_PID_FILE
    ;;
  console)
    log_daemon_msg "Restarting rsync daemon" "ipfs"
    if [ -s $IPFS_PID_FILE ] && kill -0 $(cat $IPFS_PID_FILE) >/dev/null 2>&1; then
      start-stop-daemon --stop --quiet --oknodo --pidfile $IPFS_PID_FILE || true
      sleep 1
    else
      log_warning_msg "ipfs daemon not running, attempting to start."
      rm -f $IPFS_PID_FILE
    fi
    ipfs_start
    ipfs_console
    ;;
  restart)
    log_daemon_msg "Restarting rsync daemon" "ipfs"
    if [ -s $IPFS_PID_FILE ] && kill -0 $(cat $IPFS_PID_FILE) >/dev/null 2>&1; then
      start-stop-daemon --stop --quiet --oknodo --pidfile $IPFS_PID_FILE || true
      sleep 1
    else
      log_warning_msg "ipfs daemon not running, attempting to start."
      rm -f $IPFS_PID_FILE
    fi
    ipfs_start
    ;;
  status)
    status_of_proc -p $IPFS_PID_FILE "$DAEMON" ipfs
    exit $?
    ;;
  *)
    echo "Usage: /etc/init.d/ipfs {start|stop|restart|status|console}"
    exit 1
esac

exit 0