package MusicBrainz::Server::Edit::Instrument::Merge;
use Moose;

use MusicBrainz::Server::Constants qw( $EDIT_INSTRUMENT_MERGE );
use MusicBrainz::Server::Translation qw( N_l );

extends 'MusicBrainz::Server::Edit::Generic::Merge';
with 'MusicBrainz::Server::Edit::Instrument';

sub edit_type { $EDIT_INSTRUMENT_MERGE }
sub edit_name { N_l('Merge instruments') }
sub instrument_ids { @{ shift->_entity_ids } }

sub _merge_model { 'Instrument' }

sub foreign_keys {
    my $self = shift;
    return {
        Instrument => {
            map {
                $_ => [ 'InstrumentType' ]
            } (
                $self->data->{new_entity}{id},
                map { $_->{id} } @{ $self->data->{old_entities} },
            )
        }
    }
}

before build_display_data => sub {
    my ($self, $loaded) = @_;

    my @instruments = grep defined, map { $loaded->{Instrument}{$_} } $self->instrument_ids;
    $self->c->model('InstrumentType')->load(@instruments);
};

__PACKAGE__->meta->make_immutable;
no Moose;

1;