#!/usr/bin/perl

# This file is part of Koha.
#
# Copyright (C) 2013 BibLibre
#
# Koha 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 3 of the License, or
# (at your option) any later version.
#
# Koha 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 Koha; if not, see <http://www.gnu.org/licenses>.

use Modern::Perl;
use CGI;
use C4::Auth qw( get_template_and_user );
use C4::Biblio qw( ApplyMarcOverlayRules );
use C4::MarcModificationTemplates qw( ModifyRecordWithTemplate );
use C4::Output qw( output_html_with_http_headers );

use Koha::MetadataRecord::Authority;
use Koha::Patrons;

my $query = CGI->new();
my $record_id = $query->param('record_id');
my $record_type = $query->param('record_type') || 'biblio';
my $overlay_context = $query->param('overlay_context');
my $mmtid = $query->param('mmtid'); # Marc modification template id

my $record;
if ( $record_type eq 'biblio' ) {
    my $biblio = Koha::Biblios->find( $record_id );
    my $record = $biblio->metadata->record;
} else {
    my $authority = Koha::MetadataRecord::Authority->get_from_authid( $record_id );
    $record = $authority->record;
}

my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
    template_name   => "catalogue/showmarc.tt",
    query           => $query,
    type            => "intranet",
});


if ($mmtid) {
    ModifyRecordWithTemplate( $mmtid, $record );

    if (   $record_type eq 'biblio'
        && C4::Context->preference('MARCOverlayRules')
        && $overlay_context )
    {
        my $logged_in_user = Koha::Patrons->find($loggedinuser);
        $record = ApplyMarcOverlayRules(
            {
                biblionumber    => $record_id,
                record          => $record,
                overlay_context => {
                    source       => $overlay_context,
                    categorycode => $logged_in_user->categorycode,
                    userid       => $logged_in_user->userid
                },
            }
        );
    }
}

$template->param( MARC_FORMATTED => $record->as_formatted );
output_html_with_http_headers $query, $cookie, $template->output;