use warnings;
use strict;
use IPC::System::Simple qw(system capture);
use Test::More tests => 2;

BEGIN {
    use Gscan2pdf::Document;
    use Gtk3 -init;    # Could just call init separately
}

#########################

Gscan2pdf::Translation::set_domain('gscan2pdf');
use Log::Log4perl qw(:easy);
Log::Log4perl->easy_init($WARN);
my $logger = Log::Log4perl::get_logger;
Gscan2pdf::Document->setup($logger);

# Create test image
system( Gscan2pdf::Helpers::get_imagemagick_command(), qw(xc:white white.pnm) );

my $slist = Gscan2pdf::Document->new;

# dir for temporary files
my $dir = File::Temp->newdir;
$slist->set_dir($dir);

$slist->import_files(
    paths             => ['white.pnm'],
    finished_callback => sub {
        my $md5sum =
          capture("md5sum $slist->{data}[0][2]{filename} | cut -c -32");
        $slist->user_defined(
            page    => $slist->{data}[0][2]{uuid},
            command => Gscan2pdf::Helpers::get_imagemagick_command()
              . ' %i -negate %o',
            finished_callback => sub { ok 0, 'Finished callback' }
        );
        $slist->cancel(
            sub {
                is(
                    $md5sum,
                    capture(
                        "md5sum $slist->{data}[0][2]{filename} | cut -c -32"),
                    'image not modified'
                );
                $slist->save_image(
                    path              => 'test.jpg',
                    list_of_pages     => [ $slist->{data}[0][2]{uuid} ],
                    finished_callback => sub { Gtk3->main_quit }
                );
            }
        );
    }
);
Gtk3->main;

is( system(qw(identify test.jpg)),
    0, 'can create a valid JPG after cancelling previous process' );

#########################

unlink 'white.pnm', 'test.jpg';
Gscan2pdf::Document->quit();
