use strict;
use warnings;
use ExtUtils::MakeMaker 6.48;

# make sure we can run gnuplot before continuing
use Alien::Gnuplot;

sub MY::libscan {
    package MY;

    my ($self, $file) = @_;

    # Don't install the README.pod or any .pl file
    return undef if $file =~ /\.pl$|^README.pod/;

    return $self->SUPER::libscan ($file);
}


sub MY::postamble {
    my $text = <<'FOO';
install ::
	@echo "Updating PDL documentation database...";
	@$(PERL) -e "exit if $$ENV{DESTDIR}; use PDL::Doc; eval { PDL::Doc::add_module(q{PDL::Graphics::Gnuplot}); }; ";

FOO
    return $text;
}


WriteMakefile(
    NAME                      => 'PDL::Graphics::Gnuplot',
    AUTHOR                    => 'Craig DeForest <craig@deforest.org>, Dima Kogan <dima@secretsauce.net>',
    VERSION_FROM              => 'lib/PDL/Graphics/Gnuplot.pm',
    ABSTRACT_FROM             => 'lib/PDL/Graphics/Gnuplot.pm',
    ( $ExtUtils::MakeMaker::VERSION >= 6.3002
        ? ('LICENSE'          => 'perl')
        : ()
    ),
    MIN_PERL_VERSION          => 5.010,
    CONFIGURE_REQUIRES => {
        'ExtUtils::MakeMaker' => '6.64', # TEST_REQUIRES
        'Alien::Gnuplot'      => 0,
    },
    PREREQ_PM => { 
	    'Alien::Gnuplot'      => '1.031',
	    'PDL'                 => 0,
	    'PDL::Transform::Color' => 0,
	    'IPC::Run'            => 0,
	    'List::Util'          => 0,
	    'Storable'            => 0,
	    'IPC::Open3'          => 0,
	    'IO::Select'          => 0,
	    'File::Temp'          => '0.19',
	    'Time::HiRes'         => 0,
	    'Safe::Isa'           => 0
    },
    TEST_REQUIRES => {
        'Test::More'          => '0.88',
    },
    META_ADD => {
        resources => {
            homepage          => 'http://github.com/PDLPorters/PDL-Graphics-Gnuplot',
            repository        => 'git://github.com/PDLPorters/PDL-Graphics-Gnuplot.git',
            bugtracker        => 'http://github.com/PDLPorters/PDL-Graphics-Gnuplot/issues'
        }
    },  

    dist                      => { COMPRESS => 'gzip -9f', SUFFIX => 'gz', },
    clean                     => { FILES => 'PDL-Graphics-Gnuplot-* pdl_graphics_gnuplot_test_* *~' },
  );

# reroute the main POD into a separate README.pod if requested. This is here
# purely to generate a README.pod for the github front page
my $POD_header = <<EOF;
    =head1 OVERVIEW

This is a Gnuplot-based plotter for PDL. This repository stores the history for
the PDL::Graphics::Gnuplot module on CPAN. Install the module via CPAN. CPAN
page at L<http://metacpan.org/pod/PDL::Graphics::Gnuplot>.

    =cut

EOF
$POD_header =~ s{^    }{}gm;

if(exists $ARGV[0] && $ARGV[0] eq 'README.pod')
{
    open MOD, 'lib/PDL/Graphics/Gnuplot.pm' or die "Couldn't open main module";
    open README, '>README.pod'              or die "Couldn't open README.pod";

    print README $POD_header;

    while (<MOD>)
    {
        if (/^=/../^=cut/) { print README; }
    }
}