#!/usr/bin/perl

# 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., 59 Temple Place,
# Suite 330, Boston, MA  02111-1307 USA


use strict;
require Exporter;
use CGI;
use C4::Auth;
use C4::Date qw/format_date/;
use C4::Koha;
use C4::Serials;    #uses getsubscriptionfrom biblionumber
use C4::Output;
use C4::Biblio;
use C4::Items;
use C4::Circulation;
use C4::Branch;
use C4::Reserves;
use C4::Members;
use C4::Serials;
use C4::XISBN qw(get_xisbns get_biblio_from_xisbn);
use C4::Amazon;

# use Smart::Comments;

my $query = new CGI;
my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
    {
        template_name   => "catalogue/detail.tmpl",
        query           => $query,
        type            => "intranet",
        authnotrequired => 0,
        flagsrequired   => { catalogue => 1 },
    }
);

my $biblionumber = $query->param('biblionumber');
my $fw = GetFrameworkCode($biblionumber);

## get notes and subjects from MARC record
my $marcflavour      = C4::Context->preference("marcflavour");
my $record           = GetMarcBiblio($biblionumber);
my $marcnotesarray   = GetMarcNotes( $record, $marcflavour );
my $marcauthorsarray = GetMarcAuthors( $record, $marcflavour );
my $marcsubjctsarray = GetMarcSubjects( $record, $marcflavour );
my $marcseriesarray  = GetMarcSeries($record,$marcflavour);

# Get Branches, Itemtypes and Locations
my $branches = GetBranches();
my $itemtypes = GetItemTypes();

my %locations;
# FIXME: move this to a pm, check waiting status for holds
my $dbh = C4::Context->dbh;
my $lsch = $dbh->prepare("SELECT authorised_value,lib FROM authorised_values WHERE category = 'LOC'");
$lsch->execute();
while (my $ldata = $lsch->fetchrow_hashref ) {
    $locations{ $ldata->{'authorised_value'} } = $ldata->{'lib'};
}

# change back when ive fixed request.pl
my @items = &GetItemsInfo( $biblionumber, 'intra' );
my $dat = &GetBiblioData($biblionumber);

if (!$dat) { 
    print $query->redirect("/cgi-bin/koha/koha-tmpl/errors/404.pl");
	exit;
}

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



my @subs;
foreach my $subscription (@subscriptions) {
    my %cell;
    $cell{subscriptionid}    = $subscription->{subscriptionid};
    $cell{subscriptionnotes} = $subscription->{notes};

    #get the three latest serials.
    $cell{latestserials} =
      GetLatestSerials( $subscription->{subscriptionid}, 3 );
    push @subs, \%cell;
}
$dat->{imageurl} = getitemtypeimagesrc() . "/".$itemtypes->{ $dat->{itemtype} }{imageurl};
$dat->{'count'} = @items;
my @itemloop;
my $norequests = 1;
foreach my $item (@items) {

    # can place holds defaults to yes
    $norequests = 0 unless ( ( $item->{'notforloan'} > 0 ) || ( $item->{'itemnotforloan'} > 0 ) );

    # format some item fields for display
    $item->{ $item->{'publictype'} } = 1;
    $item->{imageurl} = getitemtypeimagesrc() . "/".$itemtypes->{ $item->{itype} }{imageurl};
    $item->{datedue} = format_date($item->{datedue});
    $item->{datelastseen} = format_date($item->{datelastseen});
    $item->{onloan} = format_date($item->{onloan});
    $item->{locationname} = $locations{$item->{location}};
    # item damaged, lost, withdrawn loops
    $item->{itemlostloop}= GetAuthorisedValues(GetAuthValCode('items.itemlost',$fw),$item->{itemlost}) if GetAuthValCode('items.itemlost',$fw);
    if ($item->{damaged}) {
        $item->{itemdamagedloop}= GetAuthorisedValues(GetAuthValCode('items.damaged',$fw),$item->{damaged}) if GetAuthValCode('items.damaged',$fw);
    }
    #get collection code description, too
    $item->{'ccode'}  = GetAuthorisedValueDesc('','',   $item->{'ccode'} ,'','','ccode');

    # checking for holds
    my ($reservedate,$reservedfor,$expectedAt) = GetReservesFromItemnumber($item->{itemnumber});
    my $ItemBorrowerReserveInfo = GetMemberDetails( $reservedfor, 0);

    if ( defined $reservedate ) {
        $item->{backgroundcolor} = 'reserved';
        $item->{reservedate}     = format_date($reservedate);
        $item->{ReservedForBorrowernumber}     = $reservedfor;
        $item->{ReservedForSurname}     = $ItemBorrowerReserveInfo->{'surname'};
        $item->{ReservedForFirstname}     = $ItemBorrowerReserveInfo->{'firstname'};
        $item->{ExpectedAtLibrary}     = $branches->{$expectedAt}{branchname};
    }

	# Check the transit status
    my ( $transfertwhen, $transfertfrom, $transfertto ) = GetTransfers($item->{itemnumber});
    if ( $transfertwhen ne '' ) {
        $item->{transfertwhen} = format_date($transfertwhen);
        $item->{transfertfrom} = $branches->{$transfertfrom}{branchname};
        $item->{transfertto} = $branches->{$transfertto}{branchname};
        $item->{nocancel} = 1;
    }

    # FIXME: move this to a pm, check waiting status for holds
    my $sth2 = $dbh->prepare("SELECT * FROM reserves WHERE borrowernumber=? AND itemnumber=? AND found='W' AND cancellationdate IS NULL");
    $sth2->execute($item->{ReservedForBorrowernumber},$item->{itemnumber});
    while (my $wait_hashref = $sth2->fetchrow_hashref) {
        $item->{waitingdate} = format_date($wait_hashref->{waitingdate});
    }

    push @itemloop, $item;
}

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

    $template->param(
        MARCNOTES   => $marcnotesarray,
        MARCSUBJCTS => $marcsubjctsarray,
        MARCAUTHORS => $marcauthorsarray,
        MARCSERIES  => $marcseriesarray
    );

my @results = ( $dat, );
foreach ( keys %{$dat} ) {
    $template->param( "$_" => $dat->{$_} . "" );
}

$template->param(
    itemloop        => \@itemloop,
    biblionumber        => $biblionumber,
    detailview => 1,
    subscriptions       => \@subs,
    subscriptionsnumber => $subscriptionsnumber,
    subscriptiontitle   => $dat->{title},
);

# XISBN Stuff
my $xisbn=$dat->{'isbn'};
$xisbn =~ s/(p|-| |:)//g;
$template->param(amazonisbn => $xisbn);
if (C4::Context->preference("FRBRizeEditions")==1) {
    eval {
        $template->param(
            xisbn => $xisbn,
            XISBNS => get_xisbns($xisbn)
        );
    };
    if ($@) { warn "XISBN Failed $@"; }
}
if ( C4::Context->preference("AmazonContent") == 1 ) {
    my $amazon_details = &get_amazon_details( $xisbn );
    foreach my $result ( @{ $amazon_details->{Details} } ) {
        $template->param( item_description => $result->{ProductDescription} );
        $template->param( image            => $result->{ImageUrlMedium} );
        $template->param( list_price       => $result->{ListPrice} );
        $template->param( amazon_url       => $result->{url} );
    }

    my @products;
    my @reviews;
    for my $details ( @{ $amazon_details->{Details} } ) {

        next unless $details->{SimilarProducts};
        for my $product ( @{ $details->{SimilarProducts}->{Product} } ) {
            if (C4::Context->preference("AmazonSimilarItems") ) {
                my @xisbns;
                if (C4::Context->preference("XISBNAmazonSimilarItems") ) {
                    @xisbns = @{get_xisbns($product)};
                }
                else {
                    push @xisbns, get_biblio_from_xisbn($product);
                }
                push @products, +{ product => \@xisbns };
            }
        }
        next unless $details->{Reviews};
        for my $product ( @{ $details->{Reviews}->{AvgCustomerRating} } ) {
            $template->param( rating => $product * 20 );
        }
        for my $reviews ( @{ $details->{Reviews}->{CustomerReview} } ) {
            push @reviews,
              +{
                summary => $reviews->{Summary},
                comment => $reviews->{Comment},
              };
        }
    }
    $template->param( SIMILAR_PRODUCTS => \@products );
    $template->param( AMAZONREVIEWS    => \@reviews );
}

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