#!/usr/bin/perl

# Copyright 2008-2009 LibLime
#
# 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 qw ( -utf8 ); 
use HTML::Entities;
use C4::Auth qw( get_template_and_user );
use C4::Context;
use C4::Output qw( output_html_with_http_headers );
use C4::Biblio qw(
    GetBiblioData
    GetFrameworkCode
    GetMarcStructure
);
use C4::Search qw( z3950_search_args enabled_staff_search_views );
use C4::Serials qw( CountSubscriptionFromBiblionumber );

use Koha::Biblios;
use Koha::BiblioFrameworks;
use Koha::Patrons;
use Koha::Virtualshelves;

my $query        = CGI->new;
my $dbh          = C4::Context->dbh;
my $biblionumber = $query->param('biblionumber');
$biblionumber = HTML::Entities::encode($biblionumber);
my $frameworkcode = $query->param('frameworkcode') // GetFrameworkCode( $biblionumber );
my $popup        =
  $query->param('popup')
  ;    # if set to 1, then don't insert links, it's just to show the biblio

# open template
my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
    {
        template_name   => "catalogue/labeledMARCdetail.tt",
        query           => $query,
        type            => "intranet",
        flagsrequired   => { catalogue => 1 },
    }
);

my $biblio_object = Koha::Biblios->find( $biblionumber ); # FIXME Should replace $biblio
unless ($biblio_object) {
    # biblionumber invalid -> report and exit
    $template->param( unknownbiblionumber => 1,
                biblionumber => $biblionumber
    );
    output_html_with_http_headers $query, $cookie, $template->output;
    exit;
}

my $record = $biblio_object->metadata->record;
my $tagslib = GetMarcStructure(1,$frameworkcode);
my $biblio = GetBiblioData($biblionumber);

if($query->cookie("holdfor")){ 
    my $holdfor_patron = Koha::Patrons->find( $query->cookie("holdfor") );
    $template->param(
        holdfor        => $query->cookie("holdfor"),
        holdfor_patron => $holdfor_patron,
    );
}

if( $query->cookie("searchToOrder") ){
    my ( $basketno, $vendorid ) = split( /\//, $query->cookie("searchToOrder") );
    $template->param(
        searchtoorder_basketno => $basketno,
        searchtoorder_vendorid => $vendorid
    );
}

#count of item linked
my $itemcount = $biblio_object->items->count;
$template->param( count => $itemcount,
					bibliotitle => $biblio->{title}, );

my $frameworks = Koha::BiblioFrameworks->search({}, { order_by => ['frameworktext'] });
$template->param(
    frameworks    => $frameworks,
    frameworkcode => $frameworkcode,
);

my @marc_data;
my $prevlabel = '';
for my $field ($record->fields)
{
	my $tag = $field->tag;
	next if ! exists $tagslib->{$tag}->{lib};
	my $label = $tagslib->{$tag}->{lib};
	if ($label eq $prevlabel)
	{
		$label = '';
	}
	else
	{
		$prevlabel = $label;
	}
	my $value = $tag < 10
		? $field->data
		: join ' ', map { $_->[1] } $field->subfields;
	push @marc_data, {
		label => $label,
		value => $value,
	};
}

# get biblionumbers stored in the cart
my @cart_list;

if($query->cookie("intranet_bib_list")){
    my $cart_list = $query->cookie("intranet_bib_list");
    @cart_list = split(/\//, $cart_list);
    if ( grep {$_ eq $biblionumber} @cart_list) {
        $template->param( incart => 1 );
    }
}

my $some_private_shelves = Koha::Virtualshelves->get_some_shelves(
    {
        borrowernumber => $loggedinuser,
        add_allowed    => 1,
        public         => 0,
    }
);
my $some_public_shelves = Koha::Virtualshelves->get_some_shelves(
    {
        borrowernumber => $loggedinuser,
        add_allowed    => 1,
        public         => 1,
    }
);


$template->param(
    add_to_some_private_shelves => $some_private_shelves,
    add_to_some_public_shelves  => $some_public_shelves,
);

$template->param (
	marc_data				=> \@marc_data,
    biblionumber            => $biblionumber,
    popup                   => $popup,
	labeledmarcview => 1,
	z3950_search_params		=> C4::Search::z3950_search_args($biblio),
	C4::Search::enabled_staff_search_views,
    subscriptionsnumber => CountSubscriptionFromBiblionumber($biblionumber),
    searchid            => scalar $query->param('searchid'),
);

$biblio = Koha::Biblios->find( $biblionumber );
my $holds = $biblio->holds;
$template->param( biblio => $biblio, holdcount => $holds->count );

output_html_with_http_headers $query, $cookie, $template->output;