#!/bin/sh

if [ -z "$1" ]; then
    echo "Usage: $0 [פאיכ.{ape|flac}] {start index}"
    exit 1
fi

if [ ! -f "$1" ]; then
    echo "No source file '$1'"
    exit 1
fi

cue=`basename "$1" .ape`
cue=`basename "$cue" .flac`
cue=`basename "$cue" .wv`
cue=`basename "$cue" .wav`
cue="$cue".cue
[ ! -f "$cue" ] && cue="$1.cue"

if [ ! -f "$cue" ]; then
    echo "No cue sheet file '$cue'"
    exit 1
fi

start_index=1
[ -n "$2" ] && start_index=$2

year=`sed "$cue" -ne '/^REM DATE/p' | dos2unix | sed -e 's/.*DATE *//' -e 's/[^"]* *"//' -e 's/ *" *$//' -e 's/"/\\"/g' -e 's/\\$/$$/g'`
genre=`sed "$cue" -ne '/^REM GENRE/p' | dos2unix | sed -e 's/.*GENRE *//' -e 's/[^"]* *"//' -e 's/ *" *$//' -e 's/"/\\"/g' -e 's/\\$/$$/g'`
album=`sed "$cue" -ne '/^TITLE/p' | dos2unix | sed -e 's/[^"]* *"//' -e 's/ *" *$//' -e 's/"/\\"/g' -e 's/\\$/$$/g'`
gartist=`sed "$cue" -ne '/^PERFORMER/p' | dos2unix | sed -e 's/[^"]* *"//' -e 's/ *" *$//' -e 's/"/\\"/g' -e 's/\\$/$$/g'`

echo "--- Encoding $year. $album ($genre) ---"
dir="$year. $album"
[ ! -d "$dir" ] && mkdir "$dir"

grep "INDEX 01" "$cue" | sed -e 's/^[ 	]*//' | dos2unix >__tmp__.cue
shnsplit -f __tmp__.cue -c $start_index -a "" -n "%02d" "$1"
rm -f __tmp__.cue

[ -n "$year" ] && year="-d \"$year\""
[ -n "$album" ] && album="-l \"$album\""
[ -n "$genre" ] && genre="-G \"$genre\""

for x in *.wav; do
    [ "$x" == "*.wav" ] && break
    tno=`basename $x .wav`
    title=`sed "$cue" -ne "/TRACK $tno/,/TRACK/{" -e '/.*TITLE/p' -e '}' | dos2unix | sed -e 's/[^"]* *"//' -e 's/ *" *$//' -e 's/"/\\"/g' -e 's/\\$/$$/g'`
    artist=`sed "$cue" -ne "/TRACK $tno/,/TRACK/{" -e '/.*PERFORMER/p' -e '}' | dos2unix | sed -e 's/[^"]* *"//' -e 's/ *" *$//' -e 's/"/\\"/g' -e 's/\\$/$$/g'`
    [ -z "$artist" ] && artist="$gartist"
    echo "--> $tno. $title ($artist)"
    [ -n "$tno" ] && tno="-N \"$tno\""
    [ -n "$title" ] && title="-t \"$title\""
    [ -n "$artist" ] && artist="-a \"$artist\""
    fname="\"$dir/%n. %t.ogg\""
    eval oggenc -q8 -c "encoded-by=zap" -n $fname $year $album $genre $tno $title $artist $x && rm -f "$x"
done