#!/bin/bash

clear

# Introduction

echo
echo
echo                   "FLACCUE2FLAC"
echo
echo
echo
echo "This script will convert, split and tag FLAC files with an associated cue sheet"
echo
echo
echo "WARNING: THIS SCRIPT WILL AUTOMATICALLY INSTALL SOME NECESSARY PACKAGES IF NOT ALREADY INSTALLED"
echo
echo
echo
echo

# This will check if all packages needed are present in the system, and will install them if not.

FLAC=`which flac`
if [ -z $FLAC ]; then
echo "ERROR (Don't worry) ;-)"
echo "FLAC is not in your system, automatically installing..."
sudo aptitude update && sudo aptitude install flac -y
clear
echo "OK NOW, PROCEEDING..."
echo
fi

CUE=`which cuebreakpoints`
if [ -z $CUE ]; then
echo "ERROR (Wish every error were like this one...) ;-)"
echo
echo "cuetools not present, automatically installing..."
sudo aptitude update && sudo aptitude install cuetools -y
clear
echo "OK NOW, PROCEEDING..."
echo
fi

SHN=`which shntool`
if [ -z $SHN ]; then
echo "ERROR (Not the end of the world, anyway) ;-)"
echo
echo "shntool is not around here, let's get it..."
sudo aptitude update && sudo aptitude install shntool -y
clear
echo "OK, PROCEEDING..."
echo
fi

LL=`which lltag`
if [ -z $LL ]; then
echo "OH, MY GOD! ;-)"
echo
echo "lltag is not in your computer, installing..."
sudo aptitude update && sudo aptitude install lltag -y
clear
echo "AT LAST, PROCEEDING..."
echo
fi

# Now it will check if we have chosen a cue file

for i in $*; do
case $i in
*.[cU][uU][eE])
echo "Checking if file $i is a .cue file...";;
*)
echo "Warning: File $i is not a .cue file. Aborting."
continue
esac

# Processing files

FILENAME="$(basename $i)"
FILENAME="${FILENAME%.[cC][uU][eE]}"

echo "Splitting files..."
cuebreakpoints  $FILENAME.cue
shnsplit -o flac -f $FILENAME.cue $FILENAME.flac

echo "Adding tags..."
cuetag $FILENAME.cue split-track*.flac

# This will rename files using the strucure "track-number title", the one I like, but it can be easyly changed using common parameters. Please read lltag manual for more information.

echo "Renaming files..."
lltag --yes --no-tagging --rename '%n %t' `ls split-track*.flac`
echo
echo
echo "Process ended."
done