#!/usr/bin/perl


# Copyright 2000-2002 Katipo Communications
#
# 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;
use CGI;
use C4::Auth;
use C4::Catalogue;
use C4::Biblio;
use C4::Search;
use C4::Output;
use C4::Interface::CGI::Output;
use HTML::Template;

my $input      = new CGI;
my $isbn       = $input->param('isbn');
my $title		= $input->param('title');
my $offset     = $input->param('offset');
my $num        = $input->param('num');
my $showoffset = $offset + 1;
my $total;
my $count;
my @results;
if (! $isbn && !$title) {
	print $input->redirect('addbooks.pl');
} else {
	my ($template, $loggedinuser, $cookie)
	= get_template_and_user({template_name => "acqui.simple/isbnsearch.tmpl",
					query => $input,
					type => "intranet",
					authnotrequired => 0,
					flagsrequired => {catalogue => 1},
					debug => 1,
					});
	# fill with books in ACTIVE DB (biblio)
	if (! $offset) {
		$offset     = 0;
		$showoffset = 1;
	};
	if (! $num) { $num = 10 };
	($count, @results) = isbnsearch($isbn,$title);

	if ($count < ($offset + $num)) {
		$total = $count;
	} else {
		$total = $offset + $num;
	} # else

	my @loop_data = ();
	my $toggle;
	for (my $i = $offset; $i < $total; $i++) {
		if ($i % 2) {
			$toggle="#ffffcc";
	  	} else {
			$toggle="white";
	  	}
		my %row_data;  # get a fresh hash for the row data
		$row_data{toggle} = $toggle;
		$row_data{biblionumber} =$results[$i]->{'biblionumber'};
		$row_data{title} = $results[$i]->{'title'};
		$row_data{author} = $results[$i]->{'author'};
		$row_data{copyrightdate} = $results[$i]->{'copyrightdate'};
		push(@loop_data, \%row_data);
	}
	$template->param(startfrom => $offset+1);
	($offset+$num<=$count) ? ($template->param(endat => $offset+$num)) : ($template->param(endat => $count));
	$template->param(numrecords => $count);
	my $nextstartfrom=($offset+$num<$count) ? ($offset+$num) : (-1);
	my $prevstartfrom=($offset-$num>=0) ? ($offset-$num) : (-1);
	$template->param(nextstartfrom => $nextstartfrom);
	my $displaynext=1;
	my $displayprev=0;
	($nextstartfrom==-1) ? ($displaynext=0) : ($displaynext=1);
	($prevstartfrom==-1) ? ($displayprev=0) : ($displayprev=1);
	$template->param(displaynext => $displaynext);
	$template->param(displayprev => $displayprev);
	my @numbers = ();
	my $term;
	my $value;
	if ($isbn) {
		$term = "isbn";
		$value=$isbn;
	} else {
		$term ="title";
		$value=$title;
	}
	if ($count>10) {
		for (my $i=1; $i<$count/10+1; $i++) {
			if ($i<16) {
				my $highlight=0;
				($offset==($i-1)*10) && ($highlight=1);
				push @numbers, { number => $i, highlight => $highlight , term => $term, value => $value, startfrom => ($i-1)*10};
			}
		}
	}
	# fill with books in breeding farm
	($count, @results) = breedingsearch($title,$isbn);
	my @breeding_loop = ();
	for (my $i=0; $i <= $#results; $i++) {
		my %row_data;
		if ($i % 2) {
			$toggle="#ffffcc";
	  	} else {
			$toggle="white";
	  	}
		$row_data{toggle} = $toggle;
		$row_data{id} = $results[$i]->{'id'};
		$row_data{isbn} = $results[$i]->{'isbn'};
		$row_data{file} = $results[$i]->{'file'};
		$row_data{title} = $results[$i]->{'title'};
		$row_data{author} = $results[$i]->{'author'};
		push (@breeding_loop, \%row_data);
	}
	$template->param(isbn => $isbn,
							title => $title,
							showoffset => $showoffset,
							total => $total,
							offset => $offset,
							loop => \@loop_data,
							breeding_loop => \@breeding_loop,
							numbers => \@numbers,
							term => $term,
							value => $value,
							);

	print $input->header(
	    -type => guesstype($template->output),
	    -cookie => $cookie
	),$template->output;
} # else