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#! /bin/bash
HERE=$(dirname $(readlink -f $0))
URLS=`cat $HERE/stream.db`

#if [ ! `id -u` -eq "0" ]; then
#  echo "we are going sudo..."
#  exec sudo "$0" "$@"
#fi

function start() {
  # start the given stream von $1
  REQ=$1
  tmux start-server 
  if status; then
    echo "!! Stream already running!"
    exit 1
  fi

  if echo "$URLS" | while read URL NAME; do
    if [ "$NAME" = "$REQ" ];then
      tmux new-session -s streams -n streams -d "exec mplayer $URL"  
      echo "** $REQ started"
      exit 1
    fi
  done; then
    echo "!! Stream '$REQ' not found!"
    exit 1
  fi
}
function stop()
{
  #stops every stream
  tmux kill-session -t streams || echo "!! killing session failed"
}

function status()
{
  tmux has-session -t streams 2>/dev/null
  RET=$?
  tmux list-sessions  2>/dev/null
  return $RET
}
function list()
{
  echo "$URLS" | while read URL NAME ; do
    echo "$NAME : $URL"
  done

}

function shorthelp()
{
    echo "start|stop|restart|status|list [audio stream]"
}
function longhelp()
{
  B=`basename $0`
  echo -n "Usage: $B "
  shorthelp
  echo " get all available streams with '/$B list'
Examples: 
  $B list
  $B start groove
  $B restart deepmix
  $B status
  $B stop"
}


case "$1" in
  start)
    start $2
    ;;
  stop)
    stop
    ;;
  restart)
    stop
    start $2
    ;;
  status)
    if status; then
      echo "** stream running"
      exit 0
    else
      echo "** Stream not running"
      exit 1
    fi
    ;;
  list)
    list
    ;;
  (--help)
    shorthelp
    ;;
  *)
    longhelp
  ;;
esac