#!/usr/bin/perl

# Copyright 2000-2002 Katipo Communications
# Copyright 2010 BibLibre
# Copyright 2011 KohaAloha, NZ
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


use strict;
use warnings;

use CGI;
use C4::Acquisition qw( SearchOrders );
use C4::Auth qw(:DEFAULT get_session);
use C4::Branch;
use C4::Koha;
use C4::Serials;    #uses getsubscriptionfrom biblionumber
use C4::Output;
use C4::Biblio;
use C4::Items;
use C4::Circulation;
use C4::Tags qw(get_tags);
use C4::XISBN qw(get_xisbns get_biblionumber_from_isbn);
use C4::External::Amazon;
use C4::External::Syndetics qw(get_syndetics_index get_syndetics_summary get_syndetics_toc get_syndetics_excerpt get_syndetics_reviews get_syndetics_anotes );
use C4::Review;
use C4::Ratings;
use C4::Members;
use C4::VirtualShelves;
use C4::XSLT;
use C4::ShelfBrowser;
use C4::Reserves;
use C4::Charset;
use MARC::Record;
use MARC::Field;
use List::MoreUtils qw/any none/;
use C4::Images;
use Koha::DateUtils;
use C4::HTML5Media;
use C4::CourseReserves qw(GetItemCourseReservesInfo);

BEGIN {
	if (C4::Context->preference('BakerTaylorEnabled')) {
		require C4::External::BakerTaylor;
		import C4::External::BakerTaylor qw(&image_url &link_url);
	}
}

my $query = new CGI;
my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
    {
        template_name   => "opac-detail.tt",
        query           => $query,
        type            => "opac",
        authnotrequired => ( C4::Context->preference("OpacPublic") ? 1 : 0 ),
        flagsrequired   => { borrow => 1 },
    }
);

my $biblionumber = $query->param('biblionumber') || $query->param('bib') || 0;
$biblionumber = int($biblionumber);

my @all_items = GetItemsInfo($biblionumber);
my @hiddenitems;
if (scalar @all_items >= 1) {
    push @hiddenitems, GetHiddenItemnumbers(@all_items);

    if (scalar @hiddenitems == scalar @all_items ) {
        print $query->redirect("/cgi-bin/koha/errors/404.pl"); # escape early
        exit;
    }
}

my $record       = GetMarcBiblio($biblionumber);
if ( ! $record ) {
    print $query->redirect("/cgi-bin/koha/errors/404.pl"); # escape early
    exit;
}

# redirect if opacsuppression is enabled and biblio is suppressed
if (C4::Context->preference('OpacSuppression')) {
    # FIXME hardcoded; the suppression flag ought to be materialized
    # as a column on biblio or the like
    my $opacsuppressionfield = '942';
    my $opacsuppressionfieldvalue = $record->field($opacsuppressionfield);
    # redirect to opac-blocked info page or 404?
    my $opacsuppressionredirect;
    if ( C4::Context->preference("OpacSuppressionRedirect") ) {
        $opacsuppressionredirect = "/cgi-bin/koha/opac-blocked.pl";
    } else {
        $opacsuppressionredirect = "/cgi-bin/koha/errors/404.pl";
    }
    if ( $opacsuppressionfieldvalue &&
         $opacsuppressionfieldvalue->subfield("n") &&
         $opacsuppressionfieldvalue->subfield("n") == 1) {
        # if OPAC suppression by IP address
        if (C4::Context->preference('OpacSuppressionByIPRange')) {
            my $IPAddress = $ENV{'REMOTE_ADDR'};
            my $IPRange = C4::Context->preference('OpacSuppressionByIPRange');
            if ($IPAddress !~ /^$IPRange/)  {
                print $query->redirect($opacsuppressionredirect);
                exit;
            }
        } else {
            print $query->redirect($opacsuppressionredirect);
            exit;
        }
    }
}

$template->param( biblionumber => $biblionumber );

# get biblionumbers stored in the cart
my @cart_list;

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


SetUTF8Flag($record);
my $marcflavour      = C4::Context->preference("marcflavour");
my $ean = GetNormalizedEAN( $record, $marcflavour );

# XSLT processing of some stuff
if (C4::Context->preference("OPACXSLTDetailsDisplay") ) {
    $template->param( 'XSLTBloc' => XSLTParse4Display($biblionumber, $record, "OPACXSLTDetailsDisplay" ) );
}

my $OpacBrowseResults = C4::Context->preference("OpacBrowseResults");
$template->{VARS}->{'OpacBrowseResults'} = $OpacBrowseResults;

# We look for the busc param to build the simple paging from the search
if ($OpacBrowseResults) {
my $session = get_session($query->cookie("CGISESSID"));
my %paging = (previous => {}, next => {});
if ($session->param('busc')) {
    use C4::Search;

    # Rebuild the string to store on session
    sub rebuildBuscParam
    {
        my $arrParamsBusc = shift;

        my $pasarParams = '';
        my $j = 0;
        for (keys %$arrParamsBusc) {
            if ($_ =~ /^(?:query|listBiblios|newlistBiblios|query_type|simple_query|total|offset|offsetSearch|next|previous|count|expand|scan)/) {
                if (defined($arrParamsBusc->{$_})) {
                    $pasarParams .= '&' if ($j);
                    $pasarParams .= $_ . '=' . $arrParamsBusc->{$_};
                    $j++;
                }
            } else {
                for my $value (@{$arrParamsBusc->{$_}}) {
                    $pasarParams .= '&' if ($j);
                    $pasarParams .= $_ . '=' . $value;
                    $j++;
                }
            }
        }
        return $pasarParams;
    }#rebuildBuscParam

    # Search given the current values from the busc param
    sub searchAgain
    {
        my ($arrParamsBusc, $offset, $results_per_page) = @_;

        my $expanded_facet = $arrParamsBusc->{'expand'};
        my $branches = GetBranches();
        my $itemtypes = GetItemTypes;
        my @servers;
        @servers = @{$arrParamsBusc->{'server'}} if $arrParamsBusc->{'server'};
        @servers = ("biblioserver") unless (@servers);

        my ($default_sort_by, @sort_by);
        $default_sort_by = C4::Context->preference('OPACdefaultSortField')."_".C4::Context->preference('OPACdefaultSortOrder') if (C4::Context->preference('OPACdefaultSortField') && C4::Context->preference('OPACdefaultSortOrder'));
        @sort_by = @{$arrParamsBusc->{'sort_by'}} if $arrParamsBusc->{'sort_by'};
        $sort_by[0] = $default_sort_by if !$sort_by[0] && defined($default_sort_by);
        my ($error, $results_hashref, $facets);
        eval {
            ($error, $results_hashref, $facets) = getRecords($arrParamsBusc->{'query'},$arrParamsBusc->{'simple_query'},\@sort_by,\@servers,$results_per_page,$offset,$expanded_facet,$branches,$itemtypes,$arrParamsBusc->{'query_type'},$arrParamsBusc->{'scan'});
        };
        my $hits;
        my @newresults;
        for (my $i=0;$i<@servers;$i++) {
            my $server = $servers[$i];
            $hits = $results_hashref->{$server}->{"hits"};
            @newresults = searchResults('opac', '', $hits, $results_per_page, $offset, $arrParamsBusc->{'scan'}, $results_hashref->{$server}->{"RECORDS"});
        }
        return \@newresults;
    }#searchAgain

    # Build the current list of biblionumbers in this search
    sub buildListBiblios
    {
        my ($newresultsRef, $results_per_page) = @_;

        my $listBiblios = '';
        my $j = 0;
        foreach (@$newresultsRef) {
            my $bibnum = ($_->{biblionumber})?$_->{biblionumber}:0;
            $listBiblios .= $bibnum . ',';
            $j++;
            last if ($j == $results_per_page);
        }
        chop $listBiblios if ($listBiblios =~ /,$/);
        return $listBiblios;
    }#buildListBiblios

    my $busc = $session->param("busc");
    my @arrBusc = split(/\&(?:amp;)?/, $busc);
    my ($key, $value);
    my %arrParamsBusc = ();
    for (@arrBusc) {
        ($key, $value) = split(/=/, $_, 2);
        if ($key =~ /^(?:query|listBiblios|newlistBiblios|query_type|simple_query|next|previous|total|offset|offsetSearch|count|expand|scan)/) {
            $arrParamsBusc{$key} = $value;
        } else {
            unless (exists($arrParamsBusc{$key})) {
                $arrParamsBusc{$key} = [];
            }
            push @{$arrParamsBusc{$key}}, $value;
        }
    }
    my $searchAgain = 0;
    my $count = C4::Context->preference('OPACnumSearchResults') || 20;
    my $results_per_page = ($arrParamsBusc{'count'} && $arrParamsBusc{'count'} =~ /^[0-9]+?/)?$arrParamsBusc{'count'}:$count;
    $arrParamsBusc{'count'} = $results_per_page;
    my $offset = ($arrParamsBusc{'offset'} && $arrParamsBusc{'offset'} =~ /^[0-9]+?/)?$arrParamsBusc{'offset'}:0;
    # The value OPACnumSearchResults has changed and the search has to be rebuild
    if ($count != $results_per_page) {
        if (exists($arrParamsBusc{'listBiblios'}) && $arrParamsBusc{'listBiblios'} =~ /^[0-9]+(?:,[0-9]+)*$/) {
            my $indexBiblio = 0;
            my @arrBibliosAux = split(',', $arrParamsBusc{'listBiblios'});
            for (@arrBibliosAux) {
                last if ($_ == $biblionumber);
                $indexBiblio++;
            }
            $indexBiblio += $offset;
            $offset = int($indexBiblio / $count) * $count;
            $arrParamsBusc{'offset'} = $offset;
        }
        $arrParamsBusc{'count'} = $count;
        $results_per_page = $count;
        my $newresultsRef = searchAgain(\%arrParamsBusc, $offset, $results_per_page);
        $arrParamsBusc{'listBiblios'} = buildListBiblios($newresultsRef, $results_per_page);
        delete $arrParamsBusc{'previous'} if (exists($arrParamsBusc{'previous'}));
        delete $arrParamsBusc{'next'} if (exists($arrParamsBusc{'next'}));
        delete $arrParamsBusc{'offsetSearch'} if (exists($arrParamsBusc{'offsetSearch'}));
        delete $arrParamsBusc{'newlistBiblios'} if (exists($arrParamsBusc{'newlistBiblios'}));
        my $newbusc = rebuildBuscParam(\%arrParamsBusc);
        $session->param("busc" => $newbusc);
        @arrBusc = split(/\&(?:amp;)?/, $newbusc);
    } else {
        my $modifyListBiblios = 0;
        # We come from a previous click
        if (exists($arrParamsBusc{'previous'})) {
            $modifyListBiblios = 1 if ($biblionumber == $arrParamsBusc{'previous'});
            delete $arrParamsBusc{'previous'};
        } elsif (exists($arrParamsBusc{'next'})) { # We come from a next click
            $modifyListBiblios = 2 if ($biblionumber == $arrParamsBusc{'next'});
            delete $arrParamsBusc{'next'};
        }
        if ($modifyListBiblios) {
            if (exists($arrParamsBusc{'newlistBiblios'})) {
                my $listBibliosAux = $arrParamsBusc{'listBiblios'};
                $arrParamsBusc{'listBiblios'} = $arrParamsBusc{'newlistBiblios'};
                my @arrAux = split(',', $listBibliosAux);
                $arrParamsBusc{'newlistBiblios'} = $listBibliosAux;
                if ($modifyListBiblios == 1) {
                    $arrParamsBusc{'next'} = $arrAux[0];
                    $paging{'next'}->{biblionumber} = $arrAux[0];
                }else {
                    $arrParamsBusc{'previous'} = $arrAux[$#arrAux];
                    $paging{'previous'}->{biblionumber} = $arrAux[$#arrAux];
                }
            } else {
                delete $arrParamsBusc{'listBiblios'};
            }
            my $offsetAux = $arrParamsBusc{'offset'};
            $arrParamsBusc{'offset'} = $arrParamsBusc{'offsetSearch'};
            $arrParamsBusc{'offsetSearch'} = $offsetAux;
            $offset = $arrParamsBusc{'offset'};
            my $newbusc = rebuildBuscParam(\%arrParamsBusc);
            $session->param("busc" => $newbusc);
            @arrBusc = split(/\&(?:amp;)?/, $newbusc);
        }
    }
    my $buscParam = '';
    my $j = 0;
    # Rebuild the query for the button "back to results"
    for (@arrBusc) {
        unless ($_ =~ /^(?:query|listBiblios|newlistBiblios|query_type|simple_query|next|previous|total|count|offsetSearch)/) {
            $buscParam .= '&amp;' unless ($j == 0);
            $buscParam .= $_;
            $j++;
        }
    }
    $template->param('busc' => $buscParam);
    my $offsetSearch;
    my @arrBiblios;
    # We are inside the list of biblios and we don't have to search
    if (exists($arrParamsBusc{'listBiblios'}) && $arrParamsBusc{'listBiblios'} =~ /^[0-9]+(?:,[0-9]+)*$/) {
        @arrBiblios = split(',', $arrParamsBusc{'listBiblios'});
        if (@arrBiblios) {
            # We are at the first item of the list
            if ($arrBiblios[0] == $biblionumber) {
                if (@arrBiblios > 1) {
                    for (my $j = 1; $j < @arrBiblios; $j++) {
                        next unless ($arrBiblios[$j]);
                        $paging{'next'}->{biblionumber} = $arrBiblios[$j];
                        last;
                    }
                }
                # search again if we are not at the first searching list
                if ($offset && !$arrParamsBusc{'previous'}) {
                    $searchAgain = 1;
                    $offsetSearch = $offset - $results_per_page;
                }
            # we are at the last item of the list
            } elsif ($arrBiblios[$#arrBiblios] == $biblionumber) {
                for (my $j = $#arrBiblios - 1; $j >= 0; $j--) {
                    next unless ($arrBiblios[$j]);
                    $paging{'previous'}->{biblionumber} = $arrBiblios[$j];
                    last;
                }
                if (!$offset) {
                    # search again if we are at the first list and there is more results
                    $searchAgain = 1 if (!$arrParamsBusc{'next'} && $arrParamsBusc{'total'} != @arrBiblios);
                } else {
                    # search again if we aren't at the first list and there is more results
                    $searchAgain = 1 if (!$arrParamsBusc{'next'} && $arrParamsBusc{'total'} > ($offset + @arrBiblios));
                }
                $offsetSearch = $offset + $results_per_page if ($searchAgain);
            } else {
                for (my $j = 1; $j < $#arrBiblios; $j++) {
                    if ($arrBiblios[$j] == $biblionumber) {
                        for (my $z = $j - 1; $z >= 0; $z--) {
                            next unless ($arrBiblios[$z]);
                            $paging{'previous'}->{biblionumber} = $arrBiblios[$z];
                            last;
                        }
                        for (my $z = $j + 1; $z < @arrBiblios; $z++) {
                            next unless ($arrBiblios[$z]);
                            $paging{'next'}->{biblionumber} = $arrBiblios[$z];
                            last;
                        }
                        last;
                    }
                }
            }
        }
        $offsetSearch = 0 if (defined($offsetSearch) && $offsetSearch < 0);
    }
    if ($searchAgain) {
        my $newresultsRef = searchAgain(\%arrParamsBusc, $offsetSearch, $results_per_page);
        my @newresults = @$newresultsRef;
        # build the new listBiblios
        my $listBiblios = buildListBiblios(\@newresults, $results_per_page);
        unless (exists($arrParamsBusc{'listBiblios'})) {
            $arrParamsBusc{'listBiblios'} = $listBiblios;
            @arrBiblios = split(',', $arrParamsBusc{'listBiblios'});
        } else {
            $arrParamsBusc{'newlistBiblios'} = $listBiblios;
        }
        # From the new list we build again the next and previous result
        if (@arrBiblios) {
            if ($arrBiblios[0] == $biblionumber) {
                for (my $j = $#newresults; $j >= 0; $j--) {
                    next unless ($newresults[$j]);
                    $paging{'previous'}->{biblionumber} = $newresults[$j]->{biblionumber};
                    $arrParamsBusc{'previous'} = $paging{'previous'}->{biblionumber};
                    $arrParamsBusc{'offsetSearch'} = $offsetSearch;
                   last;
                }
            } elsif ($arrBiblios[$#arrBiblios] == $biblionumber) {
                for (my $j = 0; $j < @newresults; $j++) {
                    next unless ($newresults[$j]);
                    $paging{'next'}->{biblionumber} = $newresults[$j]->{biblionumber};
                    $arrParamsBusc{'next'} = $paging{'next'}->{biblionumber};
                    $arrParamsBusc{'offsetSearch'} = $offsetSearch;
                    last;
                }
            }
        }
        # build new busc param
        my $newbusc = rebuildBuscParam(\%arrParamsBusc);
        $session->param("busc" => $newbusc);
    }
    my ($numberBiblioPaging, $dataBiblioPaging);
    # Previous biblio
    $numberBiblioPaging = $paging{'previous'}->{biblionumber};
    if ($numberBiblioPaging) {
        $template->param( 'previousBiblionumber' => $numberBiblioPaging );
        $dataBiblioPaging = GetBiblioData($numberBiblioPaging);
        $template->param('previousTitle' => $dataBiblioPaging->{'title'}) if ($dataBiblioPaging);
    }
    # Next biblio
    $numberBiblioPaging = $paging{'next'}->{biblionumber};
    if ($numberBiblioPaging) {
        $template->param( 'nextBiblionumber' => $numberBiblioPaging );
        $dataBiblioPaging = GetBiblioData($numberBiblioPaging);
        $template->param('nextTitle' => $dataBiblioPaging->{'title'}) if ($dataBiblioPaging);
    }
    # Partial list of biblio results
    my @listResults;
    for (my $j = 0; $j < @arrBiblios; $j++) {
        next unless ($arrBiblios[$j]);
        $dataBiblioPaging = GetBiblioData($arrBiblios[$j]) if ($arrBiblios[$j] != $biblionumber);
        push @listResults, {index => $j + 1 + $offset, biblionumber => $arrBiblios[$j], title => ($arrBiblios[$j] == $biblionumber)?'':$dataBiblioPaging->{title}, author => ($arrBiblios[$j] != $biblionumber && $dataBiblioPaging->{author})?$dataBiblioPaging->{author}:'', url => ($arrBiblios[$j] == $biblionumber)?'':'opac-detail.pl?biblionumber=' . $arrBiblios[$j]};
    }
    $template->param('listResults' => \@listResults) if (@listResults);
    $template->param('indexPag' => 1 + $offset, 'totalPag' => $arrParamsBusc{'total'}, 'indexPagEnd' => scalar(@arrBiblios) + $offset);
}
}



$template->param( 'AllowOnShelfHolds' => C4::Context->preference('AllowOnShelfHolds') );
$template->param( 'ItemsIssued' => CountItemsIssued( $biblionumber ) );



$template->param('OPACShowCheckoutName' => C4::Context->preference("OPACShowCheckoutName") );
$template->param('OPACShowBarcode' => C4::Context->preference("OPACShowBarcode") );

# adding items linked via host biblios

my $analyticfield = '773';
if ($marcflavour eq 'MARC21' || $marcflavour eq 'NORMARC'){
    $analyticfield = '773';
} elsif ($marcflavour eq 'UNIMARC') {
    $analyticfield = '461';
}
foreach my $hostfield ( $record->field($analyticfield)) {
    my $hostbiblionumber = $hostfield->subfield("0");
    my $linkeditemnumber = $hostfield->subfield("9");
    my @hostitemInfos = GetItemsInfo($hostbiblionumber);
    foreach my $hostitemInfo (@hostitemInfos){
        if ($hostitemInfo->{itemnumber} eq $linkeditemnumber){
            push(@all_items, $hostitemInfo);
        }
    }
}

my @items;

# Are there items to hide?
my $hideitems;
$hideitems = 1 if C4::Context->preference('hidelostitems') or scalar(@hiddenitems) > 0;

# Hide items
if ($hideitems) {
    for my $itm (@all_items) {
	if  ( C4::Context->preference('hidelostitems') ) {
	    push @items, $itm unless $itm->{itemlost} or any { $itm->{'itemnumber'} eq $_ } @hiddenitems;
	} else {
	    push @items, $itm unless any { $itm->{'itemnumber'} eq $_ } @hiddenitems;
    }
}
} else {
    # Or not
    @items = @all_items;
}

my $branches = GetBranches();
my $branch = '';
if (C4::Context->userenv){
    $branch = C4::Context->userenv->{branch};
}
if ( C4::Context->preference('HighlightOwnItemsOnOPAC') ) {
    if (
        ( ( C4::Context->preference('HighlightOwnItemsOnOPACWhich') eq 'PatronBranch' ) && $branch )
        ||
        C4::Context->preference('HighlightOwnItemsOnOPACWhich') eq 'OpacURLBranch'
    ) {
        my $branchname;
        if ( C4::Context->preference('HighlightOwnItemsOnOPACWhich') eq 'PatronBranch' ) {
            $branchname = $branches->{$branch}->{'branchname'};
        }
        elsif (  C4::Context->preference('HighlightOwnItemsOnOPACWhich') eq 'OpacURLBranch' ) {
            $branchname = $branches->{ $ENV{'BRANCHCODE'} }->{'branchname'};
        }

        my @our_items;
        my @other_items;

        foreach my $item ( @items ) {
           if ( $item->{'branchname'} eq $branchname ) {
               $item->{'this_branch'} = 1;
               push( @our_items, $item );
           } else {
               push( @other_items, $item );
           }
        }

        @items = ( @our_items, @other_items );
    }
}

my $dat = &GetBiblioData($biblionumber);

my $itemtypes = GetItemTypes();
# imageurl:
my $itemtype = $dat->{'itemtype'};
if ( $itemtype ) {
    $dat->{'imageurl'}    = getitemtypeimagelocation( 'opac', $itemtypes->{$itemtype}->{'imageurl'} );
    $dat->{'description'} = $itemtypes->{$itemtype}->{'description'};
}
my $shelflocations =GetKohaAuthorisedValues('items.location',$dat->{'frameworkcode'}, 'opac');
my $collections =  GetKohaAuthorisedValues('items.ccode',$dat->{'frameworkcode'}, 'opac');
my $copynumbers = GetKohaAuthorisedValues('items.copynumber',$dat->{'frameworkcode'}, 'opac');

#coping with subscriptions
my $subscriptionsnumber = CountSubscriptionFromBiblionumber($biblionumber);
my @subscriptions       = GetSubscriptions($dat->{'title'}, $dat->{'issn'}, $ean, $biblionumber );

my @subs;
$dat->{'serial'}=1 if $subscriptionsnumber;
foreach my $subscription (@subscriptions) {
    my $serials_to_display;
    my %cell;
    $cell{subscriptionid}    = $subscription->{subscriptionid};
    $cell{subscriptionnotes} = $subscription->{notes};
    $cell{missinglist}       = $subscription->{missinglist};
    $cell{opacnote}          = $subscription->{opacnote};
    $cell{histstartdate}     = $subscription->{histstartdate};
    $cell{histenddate}       = $subscription->{histenddate};
    $cell{branchcode}        = $subscription->{branchcode};
    $cell{branchname}        = GetBranchName($subscription->{branchcode});
    $cell{hasalert}          = $subscription->{hasalert};
    $cell{callnumber}        = $subscription->{callnumber};
    $cell{closed}            = $subscription->{closed};
    #get the three latest serials.
    $serials_to_display = $subscription->{opacdisplaycount};
    $serials_to_display = C4::Context->preference('OPACSerialIssueDisplayCount') unless $serials_to_display;
	$cell{opacdisplaycount} = $serials_to_display;
    $cell{latestserials} =
      GetLatestSerials( $subscription->{subscriptionid}, $serials_to_display );
    push @subs, \%cell;
}

$dat->{'count'} = scalar(@items);


my $biblio_authorised_value_images = C4::Items::get_authorised_value_images( C4::Biblio::get_biblio_authorised_values( $biblionumber, $record ) );

my (%item_reserves, %priority);
my ($show_holds_count, $show_priority);
for ( C4::Context->preference("OPACShowHoldQueueDetails") ) {
    m/holds/o and $show_holds_count = 1;
    m/priority/ and $show_priority = 1;
}
my $has_hold;
if ( $show_holds_count || $show_priority) {
    my $reserves = GetReservesFromBiblionumber({ biblionumber => $biblionumber, all_dates => 1 });
    $template->param( holds_count  => scalar( @$reserves ) ) if $show_holds_count;
    foreach (@$reserves) {
        $item_reserves{ $_->{itemnumber} }++ if $_->{itemnumber};
        if ($show_priority && $_->{borrowernumber} == $borrowernumber) {
            $has_hold = 1;
            $_->{itemnumber}
                ? ($priority{ $_->{itemnumber} } = $_->{priority})
                : ($template->param( priority => $_->{priority} ));
        }
    }
}
$template->param( show_priority => $has_hold ) ;

my $norequests = 1;
my %itemfields;
my (@itemloop, @otheritemloop);
my $currentbranch = C4::Context->userenv ? C4::Context->userenv->{branch} : undef;
if ($currentbranch and C4::Context->preference('OpacSeparateHoldings')) {
    $template->param(SeparateHoldings => 1);
}
my $separatebranch = C4::Context->preference('OpacSeparateHoldingsBranch');
my $viewallitems = $query->param('viewallitems');
my $max_items_to_display = C4::Context->preference('OpacMaxItemsToDisplay') // 50;

# Get items on order
my ( @itemnumbers_on_order );
if ( C4::Context->preference('OPACAcquisitionDetails' ) ) {
    my $orders = C4::Acquisition::SearchOrders({
        biblionumber => $biblionumber,
        ordered => 1,
    });
    my $total_quantity = 0;
    for my $order ( @$orders ) {
        if ( C4::Context->preference('AcqCreateItem') eq 'ordering' ) {
            for my $itemnumber ( C4::Acquisition::GetItemnumbersFromOrder( $order->{ordernumber} ) ) {
                push @itemnumbers_on_order, $itemnumber;
            }
        }
        $total_quantity += $order->{quantity};
    }
    $template->{VARS}->{acquisition_details} = {
        total_quantity => $total_quantity,
    };
}

if ( not $viewallitems and @items > $max_items_to_display ) {
    $template->param(
        too_many_items => 1,
        items_count => scalar( @items ),
    );
} else {
  for my $itm (@items) {
    $itm->{holds_count} = $item_reserves{ $itm->{itemnumber} };
    $itm->{priority} = $priority{ $itm->{itemnumber} };
    $norequests = 0
       if ( (not $itm->{'withdrawn'} )
         && (not $itm->{'itemlost'} )
         && ($itm->{'itemnotforloan'}<0 || not $itm->{'itemnotforloan'} )
		 && (not $itemtypes->{$itm->{'itype'}}->{notforloan} )
         && ($itm->{'itemnumber'} ) );

    # get collection code description, too
    my $ccode = $itm->{'ccode'};
    $itm->{'ccode'} = $collections->{$ccode} if defined($ccode) && $collections && exists( $collections->{$ccode} );
    my $copynumber = $itm->{'copynumber'};
    $itm->{'copynumber'} = $copynumbers->{$copynumber} if ( defined($copynumbers) && defined($copynumber) && exists( $copynumbers->{$copynumber} ) );
    if ( defined $itm->{'location'} ) {
        $itm->{'location_description'} = $shelflocations->{ $itm->{'location'} };
    }
    if (exists $itm->{itype} && defined($itm->{itype}) && exists $itemtypes->{ $itm->{itype} }) {
        $itm->{'imageurl'}    = getitemtypeimagelocation( 'opac', $itemtypes->{ $itm->{itype} }->{'imageurl'} );
        $itm->{'description'} = $itemtypes->{ $itm->{itype} }->{'description'};
    }
    foreach (qw(ccode enumchron copynumber itemnotes uri)) {
        $itemfields{$_} = 1 if ($itm->{$_});
    }

     # walk through the item-level authorised values and populate some images
     my $item_authorised_value_images = C4::Items::get_authorised_value_images( C4::Items::get_item_authorised_values( $itm->{'itemnumber'} ) );
     # warn( Data::Dumper->Dump( [ $item_authorised_value_images ], [ 'item_authorised_value_images' ] ) );

     if ( $itm->{'itemlost'} ) {
         my $lostimageinfo = List::Util::first { $_->{'category'} eq 'LOST' } @$item_authorised_value_images;
         $itm->{'lostimageurl'}   = $lostimageinfo->{ 'imageurl' };
         $itm->{'lostimagelabel'} = $lostimageinfo->{ 'label' };
     }
     my $reserve_status = C4::Reserves::GetReserveStatus($itm->{itemnumber});
      if( $reserve_status eq "Waiting"){ $itm->{'waiting'} = 1; }
      if( $reserve_status eq "Reserved"){ $itm->{'onhold'} = 1; }
    
     my ( $transfertwhen, $transfertfrom, $transfertto ) = GetTransfers($itm->{itemnumber});
     if ( defined( $transfertwhen ) && $transfertwhen ne '' ) {
        $itm->{transfertwhen} = $transfertwhen;
        $itm->{transfertfrom} = $branches->{$transfertfrom}{branchname};
        $itm->{transfertto}   = $branches->{$transfertto}{branchname};
     }
    
    if (    C4::Context->preference('OPACAcquisitionDetails')
        and C4::Context->preference('AcqCreateItem') eq 'ordering' )
    {
        $itm->{on_order} = 1
          if grep /^$itm->{itemnumber}$/, @itemnumbers_on_order;
    }

    my $itembranch = $itm->{$separatebranch};
    if ($currentbranch and C4::Context->preference('OpacSeparateHoldings')) {
        if ($itembranch and $itembranch eq $currentbranch) {
            push @itemloop, $itm;
        } else {
            push @otheritemloop, $itm;
        }
    } else {
        push @itemloop, $itm;
    }
  }
}

# Display only one tab if one items list is empty
if (scalar(@itemloop) == 0 || scalar(@otheritemloop) == 0) {
    $template->param(SeparateHoldings => 0);
    if (scalar(@itemloop) == 0) {
        @itemloop = @otheritemloop;
    }
}

## get notes and subjects from MARC record
my $dbh              = C4::Context->dbh;
my $marcnotesarray   = GetMarcNotes   ($record,$marcflavour);
my $marcisbnsarray   = GetMarcISBN    ($record,$marcflavour);
my $marcauthorsarray = GetMarcAuthors ($record,$marcflavour);
my $marcsubjctsarray = GetMarcSubjects($record,$marcflavour);
my $marcseriesarray  = GetMarcSeries  ($record,$marcflavour);
my $marcurlsarray    = GetMarcUrls    ($record,$marcflavour);
my $marchostsarray  = GetMarcHosts($record,$marcflavour);
my $subtitle         = GetRecordValue('subtitle', $record, GetFrameworkCode($biblionumber));

    $template->param(
                     MARCNOTES               => $marcnotesarray,
                     MARCSUBJCTS             => $marcsubjctsarray,
                     MARCAUTHORS             => $marcauthorsarray,
                     MARCSERIES              => $marcseriesarray,
                     MARCURLS                => $marcurlsarray,
                     MARCISBNS               => $marcisbnsarray,
                     MARCHOSTS               => $marchostsarray,
                     norequests              => $norequests,
                     RequestOnOpac           => C4::Context->preference("RequestOnOpac"),
                     itemdata_ccode          => $itemfields{ccode},
                     itemdata_enumchron      => $itemfields{enumchron},
                     itemdata_uri            => $itemfields{uri},
                     itemdata_copynumber     => $itemfields{copynumber},
                     itemdata_itemnotes          => $itemfields{itemnotes},
                     authorised_value_images => $biblio_authorised_value_images,
                     subtitle                => $subtitle,
                     OpacStarRatings         => C4::Context->preference("OpacStarRatings"),
    );

if (C4::Context->preference("AlternateHoldingsField") && scalar @items == 0) {
    my $fieldspec = C4::Context->preference("AlternateHoldingsField");
    my $subfields = substr $fieldspec, 3;
    my $holdingsep = C4::Context->preference("AlternateHoldingsSeparator") || ' ';
    my @alternateholdingsinfo = ();
    my @holdingsfields = $record->field(substr $fieldspec, 0, 3);

    for my $field (@holdingsfields) {
        my %holding = ( holding => '' );
        my $havesubfield = 0;
        for my $subfield ($field->subfields()) {
            if ((index $subfields, $$subfield[0]) >= 0) {
                $holding{'holding'} .= $holdingsep if (length $holding{'holding'} > 0);
                $holding{'holding'} .= $$subfield[1];
                $havesubfield++;
            }
        }
        if ($havesubfield) {
            push(@alternateholdingsinfo, \%holding);
        }
    }

    $template->param(
        ALTERNATEHOLDINGS   => \@alternateholdingsinfo,
        );
}

foreach ( keys %{$dat} ) {
    $template->param( "$_" => defined $dat->{$_} ? $dat->{$_} : '' );
}

# some useful variables for enhanced content;
# in each case, we're grabbing the first value we find in
# the record and normalizing it
my $upc = GetNormalizedUPC($record,$marcflavour);
my $oclc = GetNormalizedOCLCNumber($record,$marcflavour);
my $isbn = GetNormalizedISBN(undef,$record,$marcflavour);
my $content_identifier_exists;
if ( $isbn or $ean or $oclc or $upc ) {
    $content_identifier_exists = 1;
}
$template->param(
	normalized_upc => $upc,
	normalized_ean => $ean,
	normalized_oclc => $oclc,
	normalized_isbn => $isbn,
	content_identifier_exists =>  $content_identifier_exists,
);

# COinS format FIXME: for books Only
$template->param(
    ocoins => GetCOinSBiblio($record),
);

my $libravatar_enabled = 0;
if ( C4::Context->preference('ShowReviewer') and C4::Context->preference('ShowReviewerPhoto')) {
    eval {
        require Libravatar::URL;
        Libravatar::URL->import();
    };
    if (!$@ ) {
        $libravatar_enabled = 1;
    }
}

my $reviews = getreviews( $biblionumber, 1 );
my $loggedincommenter;




foreach ( @$reviews ) {
    my $borrowerData   = GetMember('borrowernumber' => $_->{borrowernumber});
    # setting some borrower info into this hash
    $_->{title}     = $borrowerData->{'title'};
    $_->{surname}   = $borrowerData->{'surname'};
    $_->{firstname} = $borrowerData->{'firstname'};
    if ($libravatar_enabled and $borrowerData->{'email'}) {
        $_->{avatarurl} = libravatar_url(email => $borrowerData->{'email'}, https => $ENV{HTTPS});
    }
    $_->{userid}    = $borrowerData->{'userid'};
    $_->{cardnumber}    = $borrowerData->{'cardnumber'};

    if ($borrowerData->{'borrowernumber'} eq $borrowernumber) {
		$_->{your_comment} = 1;
		$loggedincommenter = 1;
	}
}


if(C4::Context->preference("ISBD")) {
	$template->param(ISBD => 1);
}

$template->param(
    itemloop            => \@itemloop,
    otheritemloop       => \@otheritemloop,
    subscriptionsnumber => $subscriptionsnumber,
    biblionumber        => $biblionumber,
    subscriptions       => \@subs,
    subscriptionsnumber => $subscriptionsnumber,
    reviews             => $reviews,
    loggedincommenter   => $loggedincommenter
);

# Lists

if (C4::Context->preference("virtualshelves") ) {
   $template->param( 'GetShelves' => GetBibliosShelves( $biblionumber ) );
}


# XISBN Stuff
if (C4::Context->preference("OPACFRBRizeEditions")==1) {
    eval {
        $template->param(
            XISBNS => get_xisbns($isbn)
        );
    };
    if ($@) { warn "XISBN Failed $@"; }
}

# Serial Collection
my @sc_fields = $record->field(955);
my @lc_fields = $marcflavour eq 'UNIMARC'
    ? $record->field(930)
    : $record->field(852);
my @serialcollections = ();

foreach my $sc_field (@sc_fields) {
    my %row_data;

    $row_data{text}    = $sc_field->subfield('r');
    $row_data{branch}  = $sc_field->subfield('9');
    foreach my $lc_field (@lc_fields) {
        $row_data{itemcallnumber} = $marcflavour eq 'UNIMARC'
            ? $lc_field->subfield('a') # 930$a
            : $lc_field->subfield('h') # 852$h
            if ($sc_field->subfield('5') eq $lc_field->subfield('5'));
    }

    if ($row_data{text} && $row_data{branch}) { 
        push (@serialcollections, \%row_data);
    }
}

if (scalar(@serialcollections) > 0) {
    $template->param(
	serialcollection  => 1,
	serialcollections => \@serialcollections);
}

# Local cover Images stuff
if (C4::Context->preference("OPACLocalCoverImages")){
		$template->param(OPACLocalCoverImages => 1);
}

# HTML5 Media
if ( (C4::Context->preference("HTML5MediaEnabled") eq 'both') or (C4::Context->preference("HTML5MediaEnabled") eq 'opac') ) {
    $template->param( C4::HTML5Media->gethtml5media($record));
}

my $syndetics_elements;

if ( C4::Context->preference("SyndeticsEnabled") ) {
    $template->param("SyndeticsEnabled" => 1);
    $template->param("SyndeticsClientCode" => C4::Context->preference("SyndeticsClientCode"));
	eval {
	    $syndetics_elements = &get_syndetics_index($isbn,$upc,$oclc);
	    for my $element (values %$syndetics_elements) {
		$template->param("Syndetics$element"."Exists" => 1 );
		#warn "Exists: "."Syndetics$element"."Exists";
	}
    };
    warn $@ if $@;
}

if ( C4::Context->preference("SyndeticsEnabled")
        && C4::Context->preference("SyndeticsSummary")
        && ( exists($syndetics_elements->{'SUMMARY'}) || exists($syndetics_elements->{'AVSUMMARY'}) ) ) {
	eval {
	    my $syndetics_summary = &get_syndetics_summary($isbn,$upc,$oclc, $syndetics_elements);
	    $template->param( SYNDETICS_SUMMARY => $syndetics_summary );
	};
	warn $@ if $@;

}

if ( C4::Context->preference("SyndeticsEnabled")
        && C4::Context->preference("SyndeticsTOC")
        && exists($syndetics_elements->{'TOC'}) ) {
	eval {
    my $syndetics_toc = &get_syndetics_toc($isbn,$upc,$oclc);
    $template->param( SYNDETICS_TOC => $syndetics_toc );
	};
	warn $@ if $@;
}

if ( C4::Context->preference("SyndeticsEnabled")
    && C4::Context->preference("SyndeticsExcerpt")
    && exists($syndetics_elements->{'DBCHAPTER'}) ) {
    eval {
    my $syndetics_excerpt = &get_syndetics_excerpt($isbn,$upc,$oclc);
    $template->param( SYNDETICS_EXCERPT => $syndetics_excerpt );
    };
	warn $@ if $@;
}

if ( C4::Context->preference("SyndeticsEnabled")
    && C4::Context->preference("SyndeticsReviews")) {
    eval {
    my $syndetics_reviews = &get_syndetics_reviews($isbn,$upc,$oclc,$syndetics_elements);
    $template->param( SYNDETICS_REVIEWS => $syndetics_reviews );
    };
	warn $@ if $@;
}

if ( C4::Context->preference("SyndeticsEnabled")
    && C4::Context->preference("SyndeticsAuthorNotes")
	&& exists($syndetics_elements->{'ANOTES'}) ) {
    eval {
    my $syndetics_anotes = &get_syndetics_anotes($isbn,$upc,$oclc);
    $template->param( SYNDETICS_ANOTES => $syndetics_anotes );
    };
    warn $@ if $@;
}

# LibraryThingForLibraries ID Code and Tabbed View Option
if( C4::Context->preference('LibraryThingForLibrariesEnabled') ) 
{ 
$template->param(LibraryThingForLibrariesID =>
C4::Context->preference('LibraryThingForLibrariesID') ); 
$template->param(LibraryThingForLibrariesTabbedView =>
C4::Context->preference('LibraryThingForLibrariesTabbedView') );
} 

# Novelist Select
if( C4::Context->preference('NovelistSelectEnabled') ) 
{ 
$template->param(NovelistSelectProfile => C4::Context->preference('NovelistSelectProfile') ); 
$template->param(NovelistSelectPassword => C4::Context->preference('NovelistSelectPassword') ); 
$template->param(NovelistSelectView => C4::Context->preference('NovelistSelectView') ); 
} 


# Babelthèque
if ( C4::Context->preference("Babeltheque") ) {
    $template->param( 
        Babeltheque => 1,
        Babeltheque_url_js => C4::Context->preference("Babeltheque_url_js"),
    );
}

# Social Networks
if ( C4::Context->preference( "SocialNetworks" ) ) {
    $template->param( current_url => C4::Context->preference('OPACBaseURL') . "/cgi-bin/koha/opac-detail.pl?biblionumber=$biblionumber" );
    $template->param( SocialNetworks => 1 );
}

# Shelf Browser Stuff
if (C4::Context->preference("OPACShelfBrowser")) {
    my $starting_itemnumber = $query->param('shelfbrowse_itemnumber');
    if (defined($starting_itemnumber)) {
        $template->param( OpenOPACShelfBrowser => 1) if $starting_itemnumber;
        my $nearby = GetNearbyItems($starting_itemnumber);

        $template->param(
            starting_itemnumber => $starting_itemnumber,
            starting_homebranch => $nearby->{starting_homebranch}->{description},
            starting_location => $nearby->{starting_location}->{description},
            starting_ccode => $nearby->{starting_ccode}->{description},
            shelfbrowser_prev_item => $nearby->{prev_item},
            shelfbrowser_next_item => $nearby->{next_item},
            shelfbrowser_items => $nearby->{items},
        );

        # in which tab shelf browser should open ?
        if (grep { $starting_itemnumber == $_->{itemnumber} } @itemloop) {
            $template->param(shelfbrowser_tab => 'holdings');
        } else {
            $template->param(shelfbrowser_tab => 'otherholdings');
        }
    }
}

$template->param( AmazonTld => get_amazon_tld() ) if ( C4::Context->preference("OPACAmazonCoverImages"));

if (C4::Context->preference("BakerTaylorEnabled")) {
	$template->param(
		BakerTaylorEnabled  => 1,
		BakerTaylorImageURL => &image_url(),
		BakerTaylorLinkURL  => &link_url(),
		BakerTaylorBookstoreURL => C4::Context->preference('BakerTaylorBookstoreURL'),
	);
	my ($bt_user, $bt_pass);
	if ($isbn and
		$bt_user = C4::Context->preference('BakerTaylorUsername') and
		$bt_pass = C4::Context->preference('BakerTaylorPassword')    )
	{
		$template->param(
		BakerTaylorContentURL   =>
		sprintf("http://contentcafe2.btol.com/ContentCafeClient/ContentCafe.aspx?UserID=%s&Password=%s&ItemKey=%s&Options=Y",
				$bt_user,$bt_pass,$isbn)
		);
	}
}

my $tag_quantity;
if (C4::Context->preference('TagsEnabled') and $tag_quantity = C4::Context->preference('TagsShowOnDetail')) {
	$template->param(
		TagsEnabled => 1,
		TagsShowOnDetail => $tag_quantity,
		TagsInputOnDetail => C4::Context->preference('TagsInputOnDetail')
	);
	$template->param(TagLoop => get_tags({biblionumber=>$biblionumber, approved=>1,
								'sort'=>'-weight', limit=>$tag_quantity}));
}

if (C4::Context->preference("OPACURLOpenInNewWindow")) {
    # These values are going to be read by Javascript, at least in the case
    # of the google covers
    $template->param(covernewwindow => 'true');
} else {
    $template->param(covernewwindow => 'false');
}

#Export options
my $OpacExportOptions=C4::Context->preference("OpacExportOptions");
my @export_options = split(/\|/,$OpacExportOptions);
$template->{VARS}->{'export_options'} = \@export_options;

if ( C4::Context->preference('OpacStarRatings') !~ /disable/ ) {
    my $rating = GetRating( $biblionumber, $borrowernumber );
    $template->param(
        rating_value   => $rating->{'rating_value'},
        rating_total   => $rating->{'rating_total'},
        rating_avg     => $rating->{'rating_avg'},
        rating_avg_int => $rating->{'rating_avg_int'},
        borrowernumber => $borrowernumber
    );
}

#Search for title in links
my $marccontrolnumber   = GetMarcControlnumber ($record, $marcflavour);
my $marcissns = GetMarcISSN ( $record, $marcflavour );
my $issn = $marcissns->[0] || '';

if (my $search_for_title = C4::Context->preference('OPACSearchForTitleIn')){
    $dat->{title} =~ s/\/+$//; # remove trailing slash
    $dat->{title} =~ s/\s+$//; # remove trailing space
    $search_for_title = parametrized_url(
        $search_for_title,
        {
            TITLE         => $dat->{title},
            AUTHOR        => $dat->{author},
            ISBN          => $isbn,
            ISSN          => $issn,
            CONTROLNUMBER => $marccontrolnumber,
            BIBLIONUMBER  => $biblionumber,
        }
    );
    $template->param('OPACSearchForTitleIn' => $search_for_title);
}

# We try to select the best default tab to show, according to what
# the user wants, and what's available for display
my $opac_serial_default = C4::Context->preference('opacSerialDefaultTab');
my $defaulttab = 
    $opac_serial_default eq 'subscriptions' && $subscriptionsnumber
        ? 'subscriptions' :
    $opac_serial_default eq 'serialcollection' && @serialcollections > 0
        ? 'serialcollection' :
    $opac_serial_default eq 'holdings' && scalar (@itemloop) > 0
        ? 'holdings' :
    $subscriptionsnumber
        ? 'subscriptions' :
    @serialcollections > 0 
        ? 'serialcollection' : 'subscriptions';
$template->param('defaulttab' => $defaulttab);

if (C4::Context->preference('OPACLocalCoverImages') == 1) {
    my @images = ListImagesForBiblio($biblionumber);
    $template->{VARS}->{localimages} = \@images;
}

$template->{VARS}->{IDreamBooksReviews} = C4::Context->preference('IDreamBooksReviews');
$template->{VARS}->{IDreamBooksReadometer} = C4::Context->preference('IDreamBooksReadometer');
$template->{VARS}->{IDreamBooksResults} = C4::Context->preference('IDreamBooksResults');
$template->{VARS}->{OPACPopupAuthorsSearch} = C4::Context->preference('OPACPopupAuthorsSearch');

if (C4::Context->preference('OpacHighlightedWords')) {
    $template->{VARS}->{query_desc} = $query->param('query_desc');
}
$template->{VARS}->{'trackclicks'} = C4::Context->preference('TrackClicks');

if ( C4::Context->preference('UseCourseReserves') ) {
    foreach my $i ( @items ) {
        $i->{'course_reserves'} = GetItemCourseReservesInfo( itemnumber => $i->{'itemnumber'} );
    }
}

$template->param(
    'OpacLocationBranchToDisplay'         => C4::Context->preference('OpacLocationBranchToDisplay') ,
    'OpacLocationBranchToDisplayShelving' => C4::Context->preference('OpacLocationBranchToDisplayShelving'),
);

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