#line 1

package Module::Install::Metadata;

use strict 'vars';

use Module::Install::Base ();

use vars qw{$VERSION @ISA $ISCORE};

BEGIN {

	$VERSION = '0.91';

	@ISA     = 'Module::Install::Base';

	$ISCORE  = 1;

}

my @boolean_keys = qw{

	sign

};

my @scalar_keys = qw{

	name

	module_name

	abstract

	author

	version

	distribution_type

	tests

	installdirs

};

my @tuple_keys = qw{

	configure_requires

	build_requires

	requires

	recommends

	bundles

	resources

};

my @resource_keys = qw{

	homepage

	bugtracker

	repository

};

my @array_keys = qw{

	keywords

};

sub Meta              { shift          }

sub Meta_BooleanKeys  { @boolean_keys  }

sub Meta_ScalarKeys   { @scalar_keys   }

sub Meta_TupleKeys    { @tuple_keys    }

sub Meta_ResourceKeys { @resource_keys }

sub Meta_ArrayKeys    { @array_keys    }

foreach my $key ( @boolean_keys ) {

	*$key = sub {

		my $self = shift;

		if ( defined wantarray and not @_ ) {

			return $self->{values}->{$key};

		}

		$self->{values}->{$key} = ( @_ ? $_[0] : 1 );

		return $self;

	};

}

foreach my $key ( @scalar_keys ) {

	*$key = sub {

		my $self = shift;

		return $self->{values}->{$key} if defined wantarray and !@_;

		$self->{values}->{$key} = shift;

		return $self;

	};

}

foreach my $key ( @array_keys ) {

	*$key = sub {

		my $self = shift;

		return $self->{values}->{$key} if defined wantarray and !@_;

		$self->{values}->{$key} ||= [];

		push @{$self->{values}->{$key}}, @_;

		return $self;

	};

}

foreach my $key ( @resource_keys ) {

	*$key = sub {

		my $self = shift;

		unless ( @_ ) {

			return () unless $self->{values}->{resources};

			return map  { $_->[1] }

			       grep { $_->[0] eq $key }

			       @{ $self->{values}->{resources} };

		}

		return $self->{values}->{resources}->{$key} unless @_;

		my $uri = shift or die(

			"Did not provide a value to $key()"

		);

		$self->resources( $key => $uri );

		return 1;

	};

}

foreach my $key ( grep { $_ ne "resources" } @tuple_keys) {

	*$key = sub {

		my $self = shift;

		return $self->{values}->{$key} unless @_;

		my @added;

		while ( @_ ) {

			my $module  = shift or last;

			my $version = shift || 0;

			push @added, [ $module, $version ];

		}

		push @{ $self->{values}->{$key} }, @added;

		return map {@$_} @added;

	};

}

# Resource handling

my %lc_resource = map { $_ => 1 } qw{

	homepage

	license

	bugtracker

	repository

};

sub resources {

	my $self = shift;

	while ( @_ ) {

		my $name  = shift or last;

		my $value = shift or next;

		if ( $name eq lc $name and ! $lc_resource{$name} ) {

			die("Unsupported reserved lowercase resource '$name'");

		}

		$self->{values}->{resources} ||= [];

		push @{ $self->{values}->{resources} }, [ $name, $value ];

	}

	$self->{values}->{resources};

}

# Aliases for build_requires that will have alternative

# meanings in some future version of META.yml.

sub test_requires     { shift->build_requires(@_) }

sub install_requires  { shift->build_requires(@_) }

# Aliases for installdirs options

sub install_as_core   { $_[0]->installdirs('perl')   }

sub install_as_cpan   { $_[0]->installdirs('site')   }

sub install_as_site   { $_[0]->installdirs('site')   }

sub install_as_vendor { $_[0]->installdirs('vendor') }

sub dynamic_config {

	my $self = shift;

	unless ( @_ ) {

		warn "You MUST provide an explicit true/false value to dynamic_config\n";

		return $self;

	}

	$self->{values}->{dynamic_config} = $_[0] ? 1 : 0;

	return 1;

}

sub perl_version {

	my $self = shift;

	return $self->{values}->{perl_version} unless @_;

	my $version = shift or die(

		"Did not provide a value to perl_version()"

	);

	# Normalize the version

	$version = $self->_perl_version($version);

	# We don't support the reall old versions

	unless ( $version >= 5.005 ) {

		die "Module::Install only supports 5.005 or newer (use ExtUtils::MakeMaker)\n";

	}

	$self->{values}->{perl_version} = $version;

}

#Stolen from M::B

my %license_urls = (

    perl         => 'http://dev.perl.org/licenses/',

    apache       => 'http://apache.org/licenses/LICENSE-2.0',

    artistic     => 'http://opensource.org/licenses/artistic-license.php',

    artistic_2   => 'http://opensource.org/licenses/artistic-license-2.0.php',

    lgpl         => 'http://opensource.org/licenses/lgpl-license.php',

    lgpl2        => 'http://opensource.org/licenses/lgpl-2.1.php',

    lgpl3        => 'http://opensource.org/licenses/lgpl-3.0.html',

    bsd          => 'http://opensource.org/licenses/bsd-license.php',

    gpl          => 'http://opensource.org/licenses/gpl-license.php',

    gpl2         => 'http://opensource.org/licenses/gpl-2.0.php',

    gpl3         => 'http://opensource.org/licenses/gpl-3.0.html',

    mit          => 'http://opensource.org/licenses/mit-license.php',

    mozilla      => 'http://opensource.org/licenses/mozilla1.1.php',

    open_source  => undef,

    unrestricted => undef,

    restrictive  => undef,

    unknown      => undef,

);

sub license {

	my $self = shift;

	return $self->{values}->{license} unless @_;

	my $license = shift or die(

		'Did not provide a value to license()'

	);

	$self->{values}->{license} = $license;

	# Automatically fill in license URLs

	if ( $license_urls{$license} ) {

		$self->resources( license => $license_urls{$license} );

	}

	return 1;

}

sub all_from {

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

	unless ( defined($file) ) {

		my $name = $self->name or die(

			"all_from called with no args without setting name() first"

		);

		$file = join('/', 'lib', split(/-/, $name)) . '.pm';

		$file =~ s{.*/}{} unless -e $file;

		unless ( -e $file ) {

			die("all_from cannot find $file from $name");

		}

	}

	unless ( -f $file ) {

		die("The path '$file' does not exist, or is not a file");

	}

	# Some methods pull from POD instead of code.

	# If there is a matching .pod, use that instead

	my $pod = $file;

	$pod =~ s/\.pm$/.pod/i;

	$pod = $file unless -e $pod;

	# Pull the different values

	$self->name_from($file)         unless $self->name;

	$self->version_from($file)      unless $self->version;

	$self->perl_version_from($file) unless $self->perl_version;

	$self->author_from($pod)        unless $self->author;

	$self->license_from($pod)       unless $self->license;

	$self->abstract_from($pod)      unless $self->abstract;

	return 1;

}

sub provides {

	my $self     = shift;

	my $provides = ( $self->{values}->{provides} ||= {} );

	%$provides = (%$provides, @_) if @_;

	return $provides;

}

sub auto_provides {

	my $self = shift;

	return $self unless $self->is_admin;

	unless (-e 'MANIFEST') {

		warn "Cannot deduce auto_provides without a MANIFEST, skipping\n";

		return $self;

	}

	# Avoid spurious warnings as we are not checking manifest here.

	local $SIG{__WARN__} = sub {1};

	require ExtUtils::Manifest;

	local *ExtUtils::Manifest::manicheck = sub { return };

	require Module::Build;

	my $build = Module::Build->new(

		dist_name    => $self->name,

		dist_version => $self->version,

		license      => $self->license,

	);

	$self->provides( %{ $build->find_dist_packages || {} } );

}

sub feature {

	my $self     = shift;

	my $name     = shift;

	my $features = ( $self->{values}->{features} ||= [] );

	my $mods;

	if ( @_ == 1 and ref( $_[0] ) ) {

		# The user used ->feature like ->features by passing in the second

		# argument as a reference.  Accomodate for that.

		$mods = $_[0];

	} else {

		$mods = \@_;

	}

	my $count = 0;

	push @$features, (

		$name => [

			map {

				ref($_) ? ( ref($_) eq 'HASH' ) ? %$_ : @$_ : $_

			} @$mods

		]

	);

	return @$features;

}

sub features {

	my $self = shift;

	while ( my ( $name, $mods ) = splice( @_, 0, 2 ) ) {

		$self->feature( $name, @$mods );

	}

	return $self->{values}->{features}

		? @{ $self->{values}->{features} }

		: ();

}

sub no_index {

	my $self = shift;

	my $type = shift;

	push @{ $self->{values}->{no_index}->{$type} }, @_ if $type;

	return $self->{values}->{no_index};

}

sub read {

	my $self = shift;

	$self->include_deps( 'YAML::Tiny', 0 );

	require YAML::Tiny;

	my $data = YAML::Tiny::LoadFile('META.yml');

	# Call methods explicitly in case user has already set some values.

	while ( my ( $key, $value ) = each %$data ) {

		next unless $self->can($key);

		if ( ref $value eq 'HASH' ) {

			while ( my ( $module, $version ) = each %$value ) {

				$self->can($key)->($self, $module => $version );

			}

		} else {

			$self->can($key)->($self, $value);

		}

	}

	return $self;

}

sub write {

	my $self = shift;

	return $self unless $self->is_admin;

	$self->admin->write_meta;

	return $self;

}

sub version_from {

	require ExtUtils::MM_Unix;

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

	$self->version( ExtUtils::MM_Unix->parse_version($file) );

}

sub abstract_from {

	require ExtUtils::MM_Unix;

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

	$self->abstract(

		bless(

			{ DISTNAME => $self->name },

			'ExtUtils::MM_Unix'

		)->parse_abstract($file)

	 );

}

# Add both distribution and module name

sub name_from {

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

	if (

		Module::Install::_read($file) =~ m/

		^ \s*

		package \s*

		([\w:]+)

		\s* ;

		/ixms

	) {

		my ($name, $module_name) = ($1, $1);

		$name =~ s{::}{-}g;

		$self->name($name);

		unless ( $self->module_name ) {

			$self->module_name($module_name);

		}

	} else {

		die("Cannot determine name from $file\n");

	}

}

sub perl_version_from {

	my $self = shift;

	if (

		Module::Install::_read($_[0]) =~ m/

		^

		(?:use|require) \s*

		v?

		([\d_\.]+)

		\s* ;

		/ixms

	) {

		my $perl_version = $1;

		$perl_version =~ s{_}{}g;

		$self->perl_version($perl_version);

	} else {

		warn "Cannot determine perl version info from $_[0]\n";

		return;

	}

}

sub author_from {

	my $self    = shift;

	my $content = Module::Install::_read($_[0]);

	if ($content =~ m/

		=head \d \s+ (?:authors?)\b \s*

		([^\n]*)

		|

		=head \d \s+ (?:licen[cs]e|licensing|copyright|legal)\b \s*

		.*? copyright .*? \d\d\d[\d.]+ \s* (?:\bby\b)? \s*

		([^\n]*)

	/ixms) {

		my $author = $1 || $2;

		$author =~ s{E<lt>}{<}g;

		$author =~ s{E<gt>}{>}g;

		$self->author($author);

	} else {

		warn "Cannot determine author info from $_[0]\n";

	}

}

sub license_from {

	my $self = shift;

	if (

		Module::Install::_read($_[0]) =~ m/

		(

			=head \d \s+

			(?:licen[cs]e|licensing|copyright|legal)\b

			.*?

		)

		(=head\\d.*|=cut.*|)

		\z

	/ixms ) {

		my $license_text = $1;

		my @phrases      = (

			'under the same (?:terms|license) as (?:perl|the perl programming language) itself' => 'perl', 1,

			'GNU general public license'         => 'gpl',         1,

			'GNU public license'                 => 'gpl',         1,

			'GNU lesser general public license'  => 'lgpl',        1,

			'GNU lesser public license'          => 'lgpl',        1,

			'GNU library general public license' => 'lgpl',        1,

			'GNU library public license'         => 'lgpl',        1,

			'BSD license'                        => 'bsd',         1,

			'Artistic license'                   => 'artistic',    1,

			'GPL'                                => 'gpl',         1,

			'LGPL'                               => 'lgpl',        1,

			'BSD'                                => 'bsd',         1,

			'Artistic'                           => 'artistic',    1,

			'MIT'                                => 'mit',         1,

			'proprietary'                        => 'proprietary', 0,

		);

		while ( my ($pattern, $license, $osi) = splice(@phrases, 0, 3) ) {

			$pattern =~ s{\s+}{\\s+}g;

			if ( $license_text =~ /\b$pattern\b/i ) {

				$self->license($license);

				return 1;

			}

		}

	}

	warn "Cannot determine license info from $_[0]\n";

	return 'unknown';

}

sub _extract_bugtracker {

	my @links   = $_[0] =~ m#L<(\Qhttp://rt.cpan.org/\E[^>]+)>#g;

	my %links;

	@links{@links}=();

	@links=keys %links;

	return @links;

}

sub bugtracker_from {

	my $self    = shift;

	my $content = Module::Install::_read($_[0]);

	my @links   = _extract_bugtracker($content);

	unless ( @links ) {

		warn "Cannot determine bugtracker info from $_[0]\n";

		return 0;

	}

	if ( @links > 1 ) {

		warn "Found more than on rt.cpan.org link in $_[0]\n";

		return 0;

	}

	# Set the bugtracker

	bugtracker( $links[0] );

	return 1;

}

sub requires_from {

	my $self     = shift;

	my $content  = Module::Install::_readperl($_[0]);

	my @requires = $content =~ m/^use\s+([^\W\d]\w*(?:::\w+)*)\s+([\d\.]+)/mg;

	while ( @requires ) {

		my $module  = shift @requires;

		my $version = shift @requires;

		$self->requires( $module => $version );

	}

}

sub test_requires_from {

	my $self     = shift;

	my $content  = Module::Install::_readperl($_[0]);

	my @requires = $content =~ m/^use\s+([^\W\d]\w*(?:::\w+)*)\s+([\d\.]+)/mg;

	while ( @requires ) {

		my $module  = shift @requires;

		my $version = shift @requires;

		$self->test_requires( $module => $version );

	}

}

# Convert triple-part versions (eg, 5.6.1 or 5.8.9) to

# numbers (eg, 5.006001 or 5.008009).

# Also, convert double-part versions (eg, 5.8)

sub _perl_version {

	my $v = $_[-1];

	$v =~ s/^([1-9])\.([1-9]\d?\d?)$/sprintf("%d.%03d",$1,$2)/e;

	$v =~ s/^([1-9])\.([1-9]\d?\d?)\.(0|[1-9]\d?\d?)$/sprintf("%d.%03d%03d",$1,$2,$3 || 0)/e;

	$v =~ s/(\.\d\d\d)000$/$1/;

	$v =~ s/_.+$//;

	if ( ref($v) ) {

		# Numify

		$v = $v + 0;

	}

	return $v;

}

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

# MYMETA Support

sub WriteMyMeta {

	die "WriteMyMeta has been deprecated";

}

sub write_mymeta_yaml {

	my $self = shift;

	# We need YAML::Tiny to write the MYMETA.yml file

	unless ( eval { require YAML::Tiny; 1; } ) {

		return 1;

	}

	# Generate the data

	my $meta = $self->_write_mymeta_data or return 1;

	# Save as the MYMETA.yml file

	print "Writing MYMETA.yml\n";

	YAML::Tiny::DumpFile('MYMETA.yml', $meta);

}

sub write_mymeta_json {

	my $self = shift;

	# We need JSON to write the MYMETA.json file

	unless ( eval { require JSON; 1; } ) {

		return 1;

	}

	# Generate the data

	my $meta = $self->_write_mymeta_data or return 1;

	# Save as the MYMETA.yml file

	print "Writing MYMETA.json\n";

	Module::Install::_write(

		'MYMETA.json',

		JSON->new->pretty(1)->canonical->encode($meta),

	);

}

sub _write_mymeta_data {

	my $self = shift;

	# If there's no existing META.yml there is nothing we can do

	return undef unless -f 'META.yml';

	# We need Parse::CPAN::Meta to load the file

	unless ( eval { require Parse::CPAN::Meta; 1; } ) {

		return undef;

	}

	# Merge the perl version into the dependencies

	my $val  = $self->Meta->{values};

	my $perl = delete $val->{perl_version};

	if ( $perl ) {

		$val->{requires} ||= [];

		my $requires = $val->{requires};

		# Canonize to three-dot version after Perl 5.6

		if ( $perl >= 5.006 ) {

			$perl =~ s{^(\d+)\.(\d\d\d)(\d*)}{join('.', $1, int($2||0), int($3||0))}e

		}

		unshift @$requires, [ perl => $perl ];

	}

	# Load the advisory META.yml file

	my @yaml = Parse::CPAN::Meta::LoadFile('META.yml');

	my $meta = $yaml[0];

	# Overwrite the non-configure dependency hashs

	delete $meta->{requires};

	delete $meta->{build_requires};

	delete $meta->{recommends};

	if ( exists $val->{requires} ) {

		$meta->{requires} = { map { @$_ } @{ $val->{requires} } };

	}

	if ( exists $val->{build_requires} ) {

		$meta->{build_requires} = { map { @$_ } @{ $val->{build_requires} } };

	}

	return $meta;

}

1;