#!/bin/bash

TMPDIR="/tmp/flac2ogg-$RANDOM-$$/"

mkdir $TMPDIR

(

CURDIR="$PWD"

(
        cd $TMPDIR
        find "$CURDIR" -name "*.flac" | split -l 1 -a 4
)                                                      

[ -z $OGGQU ] &&OGGQU="8"

for T in `ls $TMPDIR`
do                   
        I="$(cat $TMPDIR/$T)"
        W="$(echo "$I" | sed 's/\.flac/\.wav/')"
        O="$(echo "$I" | sed 's/\.flac/\.ogg/')"

        NL="$(/bin/echo -n -e '\t')"

        echo "$NL"

        echo
        echo "Converting '$I'"
        echo "        to '$O'"
        echo "      with '$W'"
        echo "["              
        echo "Geting tags..." 
        TAGS="`metaflac --export-tags-to=- "$I"`"

        ARG=""

        echo "$TAGS" |grep "^DESCRIPTION=" && \
                ARG="$ARG--comment=`echo "$TAGS" |grep "^DESCRIPTION=" |sed 's/^[A-Z]\+=\(.*\)$/\1/'`$NL"

        echo "$TAGS" |grep "^ALBUM=" && \
                ARG="$ARG--album=`echo "$TAGS" |grep "^ALBUM=" |sed 's/^[A-Z]\+=\(.*\)$/\1/'`$NL"

        echo "$TAGS" |grep "^DATE=" && \
                ARG="$ARG--date=`echo "$TAGS" |grep "^DATE=" |sed 's/^[A-Z]\+=\(.*\)$/\1/'`$NL"

        echo "$TAGS" |grep "^TITLE=" && \
                ARG="$ARG--title=`echo "$TAGS" |grep "^TITLE=" |sed 's/^[A-Z]\+=\(.*\)$/\1/'`$NL"

        echo "$TAGS" |grep "^TRACKNUMBER=" && \
                ARG="$ARG--tracknum=`echo "$TAGS" |grep "^TRACKNUMBER=" |sed 's/^[A-Z]\+=\(.*\)$/\1/'`$NL"

        echo "$TAGS" |grep "^ARTIST=" && \
                ARG="$ARG--artist=`echo "$TAGS" |grep "^ARTIST=" |sed 's/^[A-Z]\+=\(.*\)$/\1/'`$NL"

        echo "$TAGS" |grep "^GENRE=" && \
                ARG="$ARG--genre=`echo "$TAGS" |grep "^GENRE=" |sed 's/^[A-Z]\+=\(.*\)$/\1/'`$NL"

        ARG="-b${NL}256${NL}-q$NL$OGGQU$NL$ARG$W$NL"

        echo "-----------------"
        echo "$ARG"
        echo "-----------------"

        echo "Makeing WAV from FLAC..."
        flac -d "$I" && {
                echo "Making OGG($OGGQU) from WAV..."
                echo -n "$ARG" |xargs -d '\t' oggenc
                (echo "Clearing...";  rm "$W" ) && echo "] Done"
        }
done

)

rm -rf $TMPDIR