package App::Midgen::Role::InDistribution;

use constant {TWO => 2, TRUE => 1, FALSE => 0,};

use Types::Standard qw( Bool );
use Moo::Role;
requires qw( ppi_document debug );

our $VERSION = '0.32';
$VERSION = eval $VERSION;    ## no critic


########
# is this a perl file
# more files found than File-Find-Rule-Perl (!psgi)
########
sub is_perlfile {
	my $self     = shift;
	my $filename = $_;

	for (qw(pm t psgi pl)) {
		if ($filename =~ m/[.]$_$/) {
			print "looking for requires in (.$_)-> $filename\n"
				if $self->verbose >= TWO;
			return TRUE;
		}
	}
	if ($filename =~ m/[.]\w{2,4}$/) {
		print "rejecting  $filename\n" if $self->verbose >= TWO;
		return FALSE;
	}
	else {
		return $self->_confirm_perlfile($filename);
	}
}

########
# confirm if this a perl file
#######
sub _confirm_perlfile {
	my $self     = shift;
	my $filename = shift;

	$self->_set_ppi_document(PPI::Document->new($filename));
	my $ppi_tc = $self->ppi_document->find('PPI::Token::Comment');

	my $a_pl_file = 0;

	if ($ppi_tc) {

		# check first token-comment for a she-bang
		$a_pl_file = 1 if $ppi_tc->[0]->content =~ m/^#!.*perl.*$/;
	}

	if ($self->ppi_document->find('PPI::Statement::Package') || $a_pl_file) {
		if ($self->verbose >= TWO) {

			print "looking for requires in (package) -> "
				if $self->ppi_document->find('PPI::Statement::Package');
			print "looking for requires in (shebang) -> "
				if $ppi_tc->[0]->content =~ /perl/;
			print "$filename\n";
		}
		return TRUE;
	}
	else {
		return FALSE;
	}

}

no Moo::Role;

1;

__END__

=pod

=encoding UTF-8

=head1 NAME

App::Midgen::Roles::InDistribution - used by L<App::Midgen>

=head1 VERSION

version: 0.32

=head1 METHODS

=over 4

=item * is_perlfile

Used to find perl files in your distribution to scan.

=back

=head1 AUTHOR

See L<App::Midgen>

=head2 CONTRIBUTORS

See L<App::Midgen>

=head1 COPYRIGHT

See L<App::Midgen>

=head1 LICENSE

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut