#!/bin/bash

if [[ "$0" =~ toggle-hallfan ]] ; then
  PORT="18"
  UNIT="02"
fi

toggle_port () {
  PORT=$1
  UNIT=$2  

  TMPFILE="/tmp/apc-${UNIT}-port-${PORT}-state"

  PASSWORD="t33cHm3"

  CURRENT=""
  if [ -f $TMPFILE ] ; then
    CURRENT=$(/bin/cat $TMPFILE)
  else
    echo "1" > $TMPFILE
  fi

  DESIRED_STATE="1"
  if [ $CURRENT == "1" ] ; then
    DESIRED_STATE="2"
  fi

  if [[ $CURRENT != $DESIRED_STATE ]]; then
    echo "change needed - setting $DESIRED_STATE on $UNIT:$PORT"
    snmpset -v1 -c ${PASSWORD} apc-pdu-${UNIT}.dezendorf.net 1.3.6.1.4.1.318.1.1.4.4.2.1.3.${PORT} i $DESIRED_STATE
    echo $DESIRED_STATE > $TMPFILE
  fi
}


if [[ "$0" =~ toggle-aircon ]] ; then
  toggle_port "15" "01"
fi

if [[ "$0" =~ toggle-hallfan ]] ; then
  toggle_port "18" "02"
fi

if [[ "$0" =~ toggle-tv ]] ; then
  toggle_port "19" "01"
  toggle_port "14" "01"
fi