#!/bin/bash

# Winamp/HTTPQ IP address:port and access password
PASS="xxxx"
SCRIPT="http://10.0.0.15:4800"
# Documentation for functions here: http://httpq.sourceforge.net/reference.html

# Viewer for winamp: http://www.winamp.com/plugins/details/221728 - Joseph's DKE lyrics WinAmp plugin

##  [mm:ss.xx] lyrics line 1
##  [mm:ss.xx] lyrics line 2
##  ...
##  [mm:ss.xx] last lyrics line
##  
##  ID Tags may appear before the lyrics^[2] , although some players may not recognize or simply ignore this.^[citation needed]
##  
##  [al:Album where the song is from]
##  [ar:Lyrics artist]
##  [by:Creator of the LRC file]
##  [offset:+/- Overall timestamp adjustment in milliseconds]
##  [re:The player or editor that creates LRC file]
##  [ti:Lyrics (song) title]
##  [ve:version of program]




if [ "$1" == "" ]; then
  echo "Usage: $0 <input.txt> [<output.lrc>]"
  exit 0
fi

OUT="$2"
if [ "$OUT" == "" ]; then OUT="$1".lrc; fi


echo -n > "$OUT"
delchar="`echo -ne "\177"`"

cat "$1" | replace "ä" "a:" "ö" "o:"  | while read y; do

  ## passthrough
  if [ "$y" == "" ]; then
     echo $y >> "$OUT"
     echo $y
     continue
  fi
  if [ "${y:0:1}" == "[" ]; then
     echo $y >> "$OUT"
     echo $y
     continue
  fi

  oldline=$x
  newline=$y
  undoline=0
  x=$y
  z=0

  ## while-do cycle for undo function
  while true; do

    echo -en "--------" : $x "\r"

    ## wait for keystroke
    read -s -n1 kbd < /dev/stderr

    ## make x, u, and backspace synonymous
    if [ "$kbd" == "$delchar" ]; then kbd="x"; 
    elif [ "$kbd" == "u" ];  then kbd="x";
    fi

    ## Player-specific section begin
    ## Here we set the OUTPUT variable, to the MM:SS.hh format.
    ## The specific example uses httpq extension in WinAmp, which yields output
    ## as a number of milliseconds since song beginning.
    ## Other players may need altering this section.
    OUTPUT=`curl -s "$SCRIPT/getoutputtime?p=$PASS&frmt=0"`
    OUTMSEC=$(( $OUTPUT % 1000 ))
    OUTSEC=$(( $OUTPUT / 1000 ))
    OUTMIN=$(( $OUTSEC / 60 ))
    OUTSEC=$(( $OUTSEC % 60 ))
    OUTMSEC=$(( $OUTMSEC / 10 ))
    if [ $OUTMSEC -lt 10 ]; then OUTMSEC=0$OUTMSEC; fi
    if [ $OUTSEC  -lt 10 ]; then OUTSEC=0$OUTSEC; fi
    if [ $OUTMIN  -lt 10 ]; then OUTMIN=0$OUTMIN; fi
    OUTPUT=$OUTMIN:$OUTSEC.$OUTMSEC
    ## Player-specific section end

    if [ "$kbd" == "q" ]; then
      echo
      echo "ABORTING"
      echo "ABORTING" >> "$OUT"
      exit 0
    elif [ "$kbd" == "x" ]; then
      echo "^^^ UNDO LINE                                                                "
      echo "^^^ UNDO LINE" >> "$OUT"
      x=$oldline
      undoline=1
    else
      echo $OUTPUT : $x "                                  "
      echo "[$OUTPUT]$x" >> "$OUT"
      if [ "$undoline" == "1" ]; then
       x=$newline
       undoline=0
      else
       break
      fi
    fi
    z=$(( $z + 1 ))
  done

done

## LF to CRLF
unix2dos "$OUT"
chmod 644 "$OUT"

echo
echo ==================
echo
cat "$OUT"