#!/bin/sh
export LC_ALL=C

# Use 2 global variables
SAV_TRACK_PATH=/tmp/savetrack.temp

SAV_TRACK=$(cat $SAV_TRACK_PATH 2> /dev/null)
RESULT=
TRACK_INFO=
export RESULT

# No luck with the following services:
# lyricstime: limits the # of requests for IP address
# metrolyrics, mp3lyrics.org: lyrics not visible (seems to use placeholders)

absolutelyrics()
{
  set -- `echo $TRACK_INFO | sed 's/\ /_/g' | awk -F';' '{ print $1} {print $2 }'`
  ARTIST=$1 
  TRACK=$(echo $2 | sed 's/(.*)//g' | sed 's/\[.*\]//g')
  MYURL=$(echo http://www.absolutelyrics.com/lyrics/view/$ARTIST/$TRACK/ | sed 's/\?//g' | sed s/\'//g | tr '[:upper:]' '[:lower:]' | sed 's/\+//g' | sed 's/\,//g' | sed 's/\ /_/g')
  curl -s $MYURL > /tmp/ablyrics_tmp.lyr
  grep realText /tmp/ablyrics_tmp.lyr > /tmp/ablyrics_tmp2.lyr
  while read RESULT
    do
	break
  done < /tmp/ablyrics_tmp2.lyr

  RESULT=$(echo $RESULT | sed 's/<br\ \/>/^/g' | sed 's/<\/p>/^^/g' | sed '/^$/!{s/<[^>]*>//g;}' |  tr '\^' '\n')
  return
}
azlyrics()
{
  set -- `echo $TRACK_INFO | sed 's/\ //g' | awk -F';' '{ print $1} {print $2 }'`
  ARTIST=$(echo $1 | sed 's/the//g' | sed 's/The//g')
  TRACK=$(echo $2 | sed 's/(.*)//g' | sed 's/\[.*\]//g')
  MYURL=$(echo http://www.azlyrics.com/lyrics/$ARTIST/$TRACK.html | sed 's/\?//g' | sed s/\'//g | tr '[:upper:]' '[:lower:]' | sed 's/\+//g' | sed 's/\,//g' | sed 's/\ //g')
  RESULT=$(curl -s $MYURL  | sed '1,/END OF RINGTONE/d' | sed '/\[ <a href/,9999d' | sed '/<br><br><br><br>/,9999d' | sed 's/<b>//g' | sed 's/<\/b>//g' | sed 's/<i>//g' | sed 's/<\/i>//g' | sed 's/<br>//g' | sed 's/<br \/>//g' | sed 's/<b>//g' | sed 's/<\/b>//g' | sed '3,4d')
  return
}
lyrics007()
{
  set -- `echo $TRACK_INFO| sed 's/\ /%20/g' | sed 's/\[.*\]//g' | awk -F';' '{ print $1} {print $2 }'`
  MYURL=$(echo "http://www.lyrics007.com/$ARTIST%20Lyrics/$2%20Lyrics.html") # | sed 's/\?//g' | sed s/\'//g | sed 's/\+//g' | sed 's/\&//g')
  RESULT=$(curl -s $MYURL)
  if [[ "$RESULT" == *tf_artist* ]]; then  # it's been found
    true
  else
    RESULT=""
    return
  fi 
  RESULT=$(echo $RESULT | sed '1,/<br><br><br>/d' | sed '1,1d' | sed '/<br><br><script/,9999d' | sed 's/<br><br><br>//g' | sed 's/<\/script>//g' | sed 's/<BR>//g' | sed s/<br>/\^/g | tr '\^' '\n' | sed 's/<br>//g' | sed 's/<br \/>//g')
  if [ "$RESULT" = "" ]; then
    ARTIST=$(echo $1 | sed 's/the\%20//g' | sed 's/The\%20//g')
    MYURL=$(echo "http://www.lyrics007.com/$ARTIST%20Lyrics/$2%20Lyrics.html" | sed 's/\?//g' | sed s/\'//g | sed 's/\+//g' | sed 's/\&//g')
    RESULT=$(curl -s $MYURL | sed '1,/<br><br><br>/d' | sed '1,1d' | sed '/<br><br><script/,9999d' | sed 's/<br><br><br>//g' | sed 's/<\/script>//g' | sed 's/<BR>//g' | sed 's/<br>//g' | sed 's/<br \/>//g' | perl -i~ -pe 's/\x92/ /g')
  fi
  return
}

update_lyrics()
{
  # Update lyrics on iTunes
   osascript -e '
          tell application "iTunes"
            set lyrics of current track to system attribute "RESULT"      
          end tell'
}
# MAIN LOGIC
# Use an embedded AppleScript to get the iTunes information
if ps x | grep iTunes | grep -v grep | grep -v -q iTunesHelper; then 
  TRACK_INFO=$(osascript -e 'tell application "iTunes"
	if player state is playing then
	  set trackname to name of current track
	  set artistname to artist of current track
          set mylyrics to lyrics of current track
          set output to artistname & ";" & trackname & "^" & mylyrics
	end if
  end tell' | iconv -f utf-8 -t ucs-2-internal)

# Don't fetch lyrics if already present in iTunes
  LYRICS=$(echo $TRACK_INFO | awk -F"^" '{print $2}')
  TRACK_INFO=$(echo $TRACK_INFO | awk -F"^" '{print $1}')

  if [ "$LYRICS" != "" ]; then
    echo $LYRICS
    exit 0 
  fi
  if [ "$TRACK_INFO" = "" ]; then  # iTunes running but not playing
    exit 0
  fi
# 1. azlyrics.com
  azlyrics 
  if [ "$RESULT" != "" ] && [ "$RESULT" != "0" ]; then
    RESULT=$(echo "$RESULT")
    update_lyrics
    echo "$RESULT"
    exit 0
  fi

# 2. lyrics007.com
  lyrics007
  if [ "$RESULT" != "" ] && [ "$RESULT" != "0" ]; then
    RESULT=$(echo "$RESULT")
    update_lyrics    
    echo "$RESULT"
    exit 0
  fi

# 3. absolutelyrics.com
  absolutelyrics
  if [ "$RESULT" != "" ] && [ "$RESULT" != "0" ]; then
    update_lyrics    
    echo "$RESULT"
    exit 0
  fi

# GROWL notification if lyrics are not found
  if [ "$TRACK_INFO" != "$SAV_TRACK" ]; then
    PARSED_INFO=$(echo $TRACK_INFO | awk -F";" '{print $1; print $2}')
    /usr/local/bin/growlnotify  --name "Geek Lyrics" -m "$PARSED_INFO" 'Lyrics not found' -I "/Users/thomas/Scripts/Add To iTunes.app"
    echo $TRACK_INFO > $SAV_TRACK_PATH
  fi
fi