package Module::CPANTS::Kwalitee::License;
use warnings;
use strict;
use File::Spec::Functions qw(catfile);
use  Pod::Simple::TextContent;


sub order { 100 }

##################################################################
# Analyse
##################################################################

sub analyse {
    my $class=shift;
    my $me=shift;

    # check META.yml
    my $yaml=$me->d->{meta_yml};
    if ($yaml) {
        if ($yaml->{license} and $yaml->{license} ne 'unknown') {
            $me->d->{license} = $yaml->{license};
            return;
        }
    }
    my $files=$me->d->{files_array};

    # check if there's a LICENSE file
    if (grep {/^LICENSE$/} @$files) {
        $me->d->{license}="defined in ./LICENSE";
        return;
    }

    # check pod
    foreach my $file (grep { /\.p(m|od)$/ } @$files ) {
        my $parser=Pod::Simple::TextContent->new;
        my $out;
        $parser->output_string($out);
        $parser->parse_file( catfile($me->distdir,$file) );
        if ($out=~/LICENSE/) {
            $me->d->{license}="defined in POD ($file)";
            return;
        }
    }
    
    return;
}

##################################################################
# Kwalitee Indicators
##################################################################

sub kwalitee_indicators{
    return [
         {
            name=>'has_humanreadable_license',
            error=>q{This distribution does not have a license defined in the documentation or in a file called LICENSE},
            remedy=>q{Add a section called 'LICENSE' to the documentation, or add a file named LICENSE to the distribution.},
            code=>sub { shift->{license} ? 1 : 0 }
        },
        
    ];
}


q{Favourite record of the moment:
  Lili Allen - Allright, still};

__END__

=pod

=head1 NAME

Module::CPANTS::Kwalitee::License - Checks if there is a license

=head1 SYNOPSIS

Checks if the disttribution specifies a license.

=head1 DESCRIPTION

=head2 Methods

=head3 order

Defines the order in which Kwalitee tests should be run.

Returns C<100>.

=head3 analyse

C<MCK::License> checks if there's a C<license> field C<META.yml>. Additionally, it looks for a file called LICENSE and a POD section namend LICENSE

=head3 kwalitee_indicators

Returns the Kwalitee Indicators datastructure.

=over

=item * has_license 

=item * has_license_in_metayml 


=back

=head1 SEE ALSO

L<Module::CPANTS::Analyse>

=head1 AUTHOR

Thomas Klausner, <domm@cpan.org>, http://domm.zsi.at
and Gabor Szabo, <gabor@pti.co.il>, http://www.szabgab.com

=head1 COPYRIGHT

You may use and distribute this module according to the same terms
that Perl is distributed under.

=cut
