package MusicBrainz::Server::Data::CommonsImage;
use Moose;
use namespace::autoclean;

use Readonly;
use aliased 'MusicBrainz::Server::Entity::CommonsImage';
use JSON;
use Encode qw( encode );
use URI::Escape qw( uri_escape_utf8 );
use List::Util qw( first );

with 'MusicBrainz::Server::Data::Role::Context';
with 'MusicBrainz::Server::Data::Role::MediaWikiAPI';

Readonly my $COMMONS_CACHE_TIMEOUT => 60 * 60 * 24 * 3; # 3 days

sub get_commons_image
{
    my ($self, $title, %opts) = @_;
    my $cache_only = $opts{cache_only} // 0;
    my $url_pattern = "http://%s.wikimedia.org/w/api.php?action=query&prop=imageinfo&iiprop=url&redirects&format=json&iiurlwidth=250&titles=%s";

    return $self->_fetch_cache_or_url($url_pattern, 'imageinfo',
                                      $COMMONS_CACHE_TIMEOUT,
                                      $title, "commons",
                                      \&_commons_image_callback,
                                      cache_only => $cache_only);
}

sub _commons_image_callback
{
    my (%opts) = @_;
    if ($opts{fetched}{content}) {
        my ($thumb, $image) = map { s/^https?://; $_ } ($opts{fetched}{content}[0]{thumburl}, $opts{fetched}{content}[0]{url});
        return CommonsImage->new( title => $opts{fetched}{title},
                                  thumb_url => $thumb,
                                  image_url => $image);
    }
}

__PACKAGE__->meta->make_immutable;
no Moose;
1;

=head1 COPYRIGHT

Copyright (C) 2013 MetaBrainz Foundation

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

=cut