#!/usr/bin/perl -w

# mp3clean: make an iTunes music collection more Internet friendly.
# Micah Valine <micah@micahvaline.com>

use strict;
use File::Find;

die "Usage: mp3clean [Music Root Directory]\n" unless @ARGV == 1;

my $start_directory = $ARGV[0];

print "\nmp3clean is designed to make an iTunes music collection\n";
print "more Internet friendly by renaming files and directories in\n";
print "a more appropriate manner. Running it on a directory other\n";
print "than a directory of mp3's may cause permanent damage.\n\n";
print "Press Enter to run mp3clean on [$start_directory]. ";

my $user_response = <STDIN>;
finddepth(\&cleanup, $start_directory);
print "\nmp3clean complete!\n";

sub cleanup() {
   # get rid of these annoying files while we're at it
    if (($_ eq ".") || ($_ eq "..")) {
		return 0;
    }
    if ($_ eq ".DS_Store") {
		unlink $_;
		return 0;
    } elsif ($_ eq ".FBCIndex") {
		unlink $_;
		return 0;
    } elsif ($_ eq ".FBCSemaphoreFile") {
		unlink $_;
		return 0;
    } elsif ($_ eq ".FBCLockFolder") {
		rmdir $_;
		return 0;
    } else {
		my $original_filename = $_;

		s/\'//g;
		s/\,//g;
		s/\#//g;
		s/&/and/g;
		s/!//g;
		s/\(//g;
		s/\)//g;
		s/ /_/g;
		$_ = lc($_);

		if (-e) {
		    warn "Cannot rename $original_filename to $_: file exists\n";
		} elsif (!rename($original_filename, $_)) {
		    warn "Cannot rename $original_filename to $_: $!\n";
		}
		return 0;
    }
}