#!/bin/bash

# Usage: $0 [pre] [offset]

CUT=352800
WAV=`mktemp -d ~/tmp/WAV$$-XXXXXX`
unset PREGAP OFFSET
[ "$1" = pre ] && PREGAP=yes && shift

DIR=~/misc/cds
mkdir -p $DIR
TOC=$DIR/.toc

cddb.pl
cddb.pl | tee $TOC
if file $TOC | grep -q ISO-8859; then
	recode l9..u8 $TOC
fi
echo -en "\nPlease verify $TOC! "
read; echo

ART=`sed -nr 's/^(Choose: )?artist: (.*)$/\2/p' $TOC`
ALB=`sed -nr 's/^title: (.*)$/\1/p' $TOC`
read -p MAX= MAX
DIR=$DIR/"$ART: $ALB"

if [ -n "$1" ]; then
	OFFSET=$1
	[ -d "$DIR" ] || exit 1
else
	OFFSET=0
	mkdir "$DIR" || exit 1
fi

i=1
while [ $i -le $MAX ]; do
	NUM=`printf %02d $i`
	j=`expr $i + $OFFSET`
	NUMM=`printf %02d $j`
	REG="^ $NUM [0-9]"
	TIT=`sed -nr "s/^track $i: (.*)$/\1/p" $TOC`
	cdparanoia $i $WAV/$NUM.wav
	(if [ "$PREGAP" ] && [ $i -ne $MAX ]; then
		HEAD=`stat -t $WAV/$NUM.wav | cut "-d " -f2`
		head -c `expr $HEAD - $CUT` $WAV/$NUM.wav
	else
		cat $WAV/$NUM.wav
	fi | nice -n19 lame -V3 -q0 --id3v2-only --tt "$TIT" \
		--ta "$ART" --tl "$ALB" --tn $j - "$DIR/$NUMM.mp3" && \
		rm $WAV/$NUM.wav)&
	i=`expr $i + 1`
done