# Warnings, strictures, and modules be here.

my $path = '/var/www/guest';
my $wallpath = $path.'/wallpapers';
my @walls = <$wallpath/*>;

# Start html, table, and so on in place of this comment.

# Need a better way to create a new Tr every 6th image
for (my $i = 0; $i < $#walls; $i++) {
    my $currentpic = $walls[$i]; # Less confusion
    (my $filename  = $currentpic) =~ s/.+\/(.+)/$1/; # Remove path
    my $thumbnail = "thumbwalls/t_$filename";
    
    thumbnailize($currentpic, $thumbnail) unless -e $thumbnail;
    my $imgres = getInfo($currentpic);
    
    if ($i % 6 == 0) {
        print $query->start_Tr();
    }
    
    # Print thumb and info about it
    if ($i % 6 != 0) {
        print $query->td( $query->a( {href => $currentpic}, img{src=>$thumbnail, alt=>$filename}),
                          $query->br(),
                          $imgres,
        );
        next;
    }
    
    if ($i % 6 == 0) {
        print $query->end_Tr();
    }  
}

# End some things, do a little cleanup, the whole works here.

sub thumbnailize {
    my ($pic, $thumb) = @_;
    my $image = Image::Magick->new;
    
    $image->Read($pic) or die $!; # I used die thinking it
    $image->Scale(geometry => '200x200'); # would catch error.
    $image->Write(filename => $thumb) or die $!; # It didn't.
}

sub getInfo {
    my $pic = shift;
    my $image = Image::Magick->new;

    print "workz" if -e $pic; # Prints successfully
    my $err = $image->Read($pic) or die $!;
    print $err if $err; # Errs successfully
    
    my ($xres, $yres) = $image->Get('x-resolution', 'y-resolution');
    
    return "$xres x $yres";
}