#!/usr/bin/perl

# Copyright 2017 BibLibre
#
# This file is part of Koha
#
# 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::Output;

my $cgi = CGI->new;

my ($template, $borrowernumber, $cookie) = get_template_and_user({
    template_name => 'catalogue/itemsearch_csv.tt',
    query => $cgi,
    type => 'intranet',
    flagsrequired   => { catalogue => 1 },
});

my @itemnumbers = $cgi->multi_param('itemnumber');
my $format = $cgi->param('format') // 'csv';

my @items = Koha::Items->search({ itemnumber => { -in => \@itemnumbers } });

if ($format eq 'barcodes') {
    print $cgi->header({
        type => 'text/plain',
        attachment => 'barcodes.txt',
    });

    foreach my $item (@items) {
        print $item->barcode . "\n";
    }
    exit;
}

$template->param(
    results => \@items,
);

print $cgi->header({
    type => 'text/csv',
    attachment => 'items.csv',
});
for my $line ( split '\n', $template->output ) {
    print "$line\n" unless $line =~ m|^\s*$|;
}