#!/bin/sh -e

#	$Id$
# Copyright 2005 by Han Boetes <han@mijncomputer.nl>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

n=${0##*/}

usage()
{
    cat << EOF
Usage: ${0##*/} [-wkm] <files>
     -w only convert to wav files.
     -k keep temporary wav files.
EOF
}

while [ $# -ne 0 ]; do
    case "$1" in
	-k)
	    keep=true
	    ;;
	-w)
	    wav=true
	    ;;
	-h)
	    usage
	    exit 0
	    ;;
	-[a-z][a-z]*)
	    # split concatenated single-letter options apart
	    FIRST="$1"
	    shift
	    set -- $(echo $FIRST | sed 's/-\(.\)\(.*\)/-\1 -\2/') "$@"
	    continue
	    ;;
	-*)
	    echo "$n: unrecognized option "\`"$1'" >&2
	    usage
	    exit 1
	    ;;
	*)
	    break
	    ;;
    esac
    shift
done

if [ $# -eq 0 ]; then
    usage
    exit 1
fi

# Drop nice level
renice 19 $$

for i in "$@"; do
    file="${i%.ape}"
    herefile="$PWD/${file##*/}"

    if [ "$file" = "$i" ]; then
	echo "$n: Unknown filetype for $i" >&2
	continue
    fi

    mac "$file.ape" "$herefile.wav" -d

    if [ "$wav" = true ]; then
        continue
    fi

    flac -f "$herefile.wav"

    if [ "$keep" != true ]; then
	rm "$herefile.wav"
    fi
done