package Net::Amazon::S3::Request::Role::HTTP::Header;
$Net::Amazon::S3::Request::Role::HTTP::Header::VERSION = '0.85';
use MooseX::Role::Parameterized;

parameter name => (
    is => 'ro',
    isa => 'Str',
    required => 1,
);

parameter header => (
    is => 'ro',
    isa => 'Str',
);

parameter constraint => (
    is => 'ro',
    isa => 'Str',
    init_arg => 'isa',
    required => 1,
);

parameter required => (
    is => 'ro',
    isa => 'Bool',
    default => 0,
);

parameter default => (
    is => 'ro',
    isa => 'Str|CodeRef',
    required => 0,
);

role {
    my ($params) = @_;

    my $name = $params->name;
    my $header = $params->header;

    has $name => (
        is => 'ro',
        isa => $params->constraint,
        (init_arg => undef) x!! $name =~ m/^_/,
        required => $params->required,
        (default => $params->default) x!! defined $params->default,
    );

    around _request_headers => eval <<"INLINE";
    sub {
        my (\$inner, \$self) = \@_;
        my \$value = \$self->$name;

        return (\$self->\$inner, (q[$header] => \$value) x!! defined \$value);
    };
INLINE
};

1;

__END__

=pod

=encoding UTF-8

=head1 NAME

Net::Amazon::S3::Request::Role::HTTP::Header

=head1 VERSION

version 0.85

=head1 AUTHOR

Leo Lapworth <llap@cpan.org>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2018 by Amazon Digital Services, Leon Brocard, Brad Fitzpatrick, Pedro Figueiredo, Rusty Conover.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut
