#!/bin/bash

# "Constants"
# Which interface is the HDHR on?
IFACE=eth0

# Path to config tool
HDHR=/usr/local/bin/hdhomerun_config

# ID of the Home Run
HDID=FFFFFFFF

# Which tuner [0|1] ?
TUNER=0
###

# The string to throw the user when they need a bone
usage="Usage: $(basename $0) [-i ID] [-t 0|1] -m mode -c channel -p program [-r] [-f filename] [-l length]"

if [ $# == 0 ]
then
  echo $usage
  exit 1
fi

# Parse all the command line args
while getopts "i:t:m:c:p:f:l:rh" parm
do
  case $parm in
    m) MODE=$OPTARG;;
    c) CHAN=$OPTARG;;
    p) PROG=$OPTARG;;
    f) OUTFILE=$OPTARG;;
    l) LENGTH=$OPTARG;;
    r) RECORD=true;;
    i) HDID=$OPTARG;;
    t) TUNER=$OPTARG;;
    h) echo $usage;;
   \?) echo $usage
        exit 1 ;;
    *) echo $usage
        exit 1;;
  esac
done

# Sanity checking should be here someday

# Figure out what my IP is
MYIP=$(ifconfig ${IFACE} | awk -F: '/inet addr:/{print $2}' | cut -d' ' -f1)
PORT=1234

${HDHR} ${HDID} set /tuner${TUNER}/channel $MODE:$CHAN
${HDHR} ${HDID} set /tuner${TUNER}/program $PROG

if [ "$RECORD" == "true" ]
then
  if [ "$OUTFILE" == "" ]
  then
     echo "Please specify a filename to record to with the -f flag"
     exit 1
  fi

  if [ "$LENGTH" != "" ]
  then
    ${HDHR} ${HDID} save ${TUNER} $OUTFILE &
    RECPID=$!
    echo "Recorder process is $RECPID.  Recording for $LENGTH."
    sleep $LENGTH
    kill $RECPID
  else
    echo "Recording in foreground.  Ctrl-C to stop."
    ${HDHR} ${HDID} save ${TUNER} $OUTFILE
  fi
else
  vlc udp://@:${PORT} &
  sleep 3s
  ${HDHR} ${HDID} set /tuner${TUNER}/target ${MYIP}:${PORT}
fi