package MooseX::UserAgent::Async;

use Moose::Role;
with qw/MooseX::UserAgent::Config MooseX::UserAgent::Content
    MooseX::UserAgent::Cache/;

use AnyEvent::HTTP;
use HTTP::Response;

sub fetch {
    my ( $self, $url ) = @_;
    my $status = AnyEvent->condvar;

    my $last_modified = $self->get_ua_cache($url);

    my $request_headers = { 'Accept-Encoding' => 'gzip', };
    $request_headers->{'If-Modified-Since'} = $last_modified
        if $last_modified;

    http_request GET => $url, headers => $request_headers, sub {
        my ( $data, $headers ) = @_;
        my $response = HTTP::Response->new;
        $response->content($data);
        $response->code(delete $headers->{Status});
        foreach my $header ( keys %$headers ) {
            $response->header( $header => $headers->{$header} );
        }
        $self->store_ua_cache($url, $response);
        $status->send($response);
    };
    return $status->recv;
}

1;