#!/bin/bash

# Usage: ${execp ~/.conky-rhythmbox.sh}

# rhythmbox off: all fields empty
# not playing: title is "not playing", others empty
# normal song/podcast: all fields filled in
# internet radio: title and elapsed filled in, duration unknown, others empty

# get values
TITLE=`rhythmbox-client --no-start --print-playing-format "%tt"`
ARTIST=`rhythmbox-client --no-start --print-playing-format "%ta"`
ALBUM=`rhythmbox-client --no-start --print-playing-format "%at"`
ELAPSED=`rhythmbox-client --no-start --print-playing-format "%te"`
DURATION=`rhythmbox-client --no-start --print-playing-format "%td"`

# cut them off if they're too long
CUTOFF=32
if [ ${#TITLE} -gt $CUTOFF ]; then
   TITLE=`echo "$TITLE" | cut -c-$CUTOFF`
   TITLE="${TITLE}..."
fi
if [ ${#ARTIST} -gt $CUTOFF ]; then
   ARTIST=`echo "$ARTIST" | cut -c-$CUTOFF`
   ARTIST="${ARTIST}..."
fi
if [ ${#ALBUM} -gt $CUTOFF ]; then
   ALBUM=`echo "$ALBUM" | cut -c-$CUTOFF`
   ALBUM="${ALBUM}..."
fi

# when using gapless playback (crossfade = 0), elapsed time may sometimes equal "Unknown". let's fix that.
if [ "$ELAPSED" = "Unknown" ]; then
   ELAPSED="0:00"
fi

# now the real work
if [ -z "$TITLE" ]; then   # rhythmbox is off
   echo "\$alignc   Not playing"
else  # rythmbox is on
   echo "\$alignc   $TITLE"  # title is always filled in, it might be "Not playing"
   if [ "$TITLE" != "Not playing" ]; then # rhythmbox is playing something
      if [ -n "$ARTIST" ]; then  # show artist if not empty
         echo "\$alignc   $ARTIST"
      fi
      if [ -n "$ALBUM" ] && [ "$ALBUM" != "Unknown" ]; then   # show album if not empty/unknown
         echo "\$alignc   $ALBUM"
      fi
      if [ "$DURATION" = "Unknown" ]; then
         echo "\$alignc   $ELAPSED"   
      else
         echo "   $ELAPSED\${alignr}$DURATION"
      fi
   fi
fi