#!/usr/bin/perl
# WARNING: 4-character tab stops here

# Copyright 2000-2002 Katipo Communications
# Parts Copyright 2010 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 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.


=head1 NAME

subscription-bib-search.pl

=head1 DESCRIPTION

this script search among all existing subscriptions.

=head1 PARAMETERS

=over 4

=item op
op use to know the operation to do on this template.
 * do_search : to search the subscription.

Note that if op = do_search there are some others params specific to the search :
    marclist,and_or,excluding,operator,value

=item startfrom
to multipage gestion.


=back

=cut


use strict;
use warnings;

use CGI;
use C4::Koha;
use C4::Auth;
use C4::Context;
use C4::Output;
use C4::Search;
use C4::Biblio;
use C4::Debug;

my $input=new CGI;
# my $type=$query->param('type');
my $op = $input->param('op') || q{};
my $dbh = C4::Context->dbh;

my $startfrom=$input->param('startfrom');
$startfrom=0 unless $startfrom;
my ($template, $loggedinuser, $cookie);
my $resultsperpage;

my $advanced_search_types = C4::Context->preference("AdvancedSearchTypes");
my $itype_or_itemtype = (C4::Context->preference("item-level_itypes"))?'itype':'itemtype';

my $query = $input->param('q');
# don't run the search if no search term !
if ($op eq "do_search" && $query) {

    ( $template, $loggedinuser, $cookie ) = get_template_and_user(
        {   template_name   => "serials/result.tmpl",
            query           => $input,
            type            => "intranet",
            authnotrequired => 0,
            flagsrequired => {catalogue => 1, serials => '*'},
            debug           => 1,
        }
    );

    # add the itemtype limit if applicable
    my $itemtypelimit = $input->param('itemtypelimit');
    if ( $itemtypelimit ) {
	if (!$advanced_search_types or $advanced_search_types eq 'itemtypes') {
	    $query .= " AND $itype_or_itemtype=$itemtypelimit";
	} else {
	    $query .= " AND $advanced_search_types=$itemtypelimit";
	}
    }
    $debug && warn $query;
    $resultsperpage= $input->param('resultsperpage');
    $resultsperpage = 20 if(!defined $resultsperpage);

    my ($error, $marcrecords, $total_hits) = SimpleSearch($query, $startfrom*$resultsperpage, $resultsperpage);
    my $total = 0;
    if (defined $marcrecords ) {
        $total = scalar @{$marcrecords};
    }

    if (defined $error) {
        $template->param(query_error => $error);
        warn "error: ".$error;
        output_html_with_http_headers $input, $cookie, $template->output;
        exit;
    }
    my @results;

    for(my $i=0;$i<$total;$i++) {
        my %resultsloop;
        my $marcrecord = MARC::File::USMARC::decode($marcrecords->[$i]);
        my $biblio = TransformMarcToKoha(C4::Context->dbh,$marcrecord,'');

        #build the hash for the template.
        $resultsloop{highlight}       = ($i % 2)?(1):(0);
        $resultsloop{title}           = $biblio->{'title'};
        $resultsloop{subtitle}        = $biblio->{'subtitle'};
        $resultsloop{biblionumber}    = $biblio->{'biblionumber'};
        $resultsloop{author}          = $biblio->{'author'};
        $resultsloop{publishercode}   = $biblio->{'publishercode'};
        $resultsloop{publicationyear} = $biblio->{'publicationyear'};
        $resultsloop{issn}            = $biblio->{'issn'};

        push @results, \%resultsloop;
    }

    # multi page display gestion
    my $displaynext=0;
    my $displayprev=$startfrom;
    if(($total_hits - (($startfrom+1)*($resultsperpage))) > 0 ){
        $displaynext = 1;
    }


    my @numbers = ();

    if ($total_hits>$resultsperpage)
    {
        for (my $i=1; $i<$total/$resultsperpage+1; $i++)
        {
            if ($i<16)
            {
                my $highlight=0;
                ($startfrom==($i-1)) && ($highlight=1);
                push @numbers, { number => $i,
                    highlight => $highlight ,
                    searchdata=> \@results,
                    startfrom => ($i-1)};
            }
        }
    }

    my $from = 0;
    $from = $startfrom*$resultsperpage+1 if($total_hits > 0);
    my $to;

    if($total_hits < (($startfrom+1)*$resultsperpage))
    {
        $to = $total;
    } else {
        $to = (($startfrom+1)*$resultsperpage);
    }
    $template->param(
                            query => $query,
                            resultsloop => \@results,
                            startfrom=> $startfrom,
                            displaynext=> $displaynext,
                            displayprev=> $displayprev,
                            resultsperpage => $resultsperpage,
                            startfromnext => $startfrom+1,
                            startfromprev => $startfrom-1,
                            total=>$total_hits,
                            from=>$from,
                            to=>$to,
                            numbers=>\@numbers,
                            );
} # end of if ($op eq "do_search" & $query)
else {
    ($template, $loggedinuser, $cookie)
        = get_template_and_user({template_name => "serials/subscription-bib-search.tmpl",
                query => $input,
                type => "intranet",
                authnotrequired => 0,
                flagsrequired => {catalogue => 1, serials => '*'},
                debug => 1,
                });
    # load the itemtypes
    my $itemtypes = GetItemTypes;
    my @itemtypesloop;
    if (!$advanced_search_types or $advanced_search_types eq 'itemtypes') {
	# load the itemtypes
	my $itemtypes = GetItemTypes;
	my $selected=1;
	my $cnt;
	foreach my $thisitemtype ( sort {$itemtypes->{$a}->{'description'} cmp $itemtypes->{$b}->{'description'} } keys %$itemtypes ) {
	    my %row =(
			code => $thisitemtype,
			selected => $selected,
			description => $itemtypes->{$thisitemtype}->{'description'},
		    );
	    $selected = 0 if ($selected) ;
	    push @itemtypesloop, \%row;
	}


    } else {
	my $advsearchtypes = GetAuthorisedValues($advanced_search_types);
	my $cnt;
	my $selected=1;
	for my $thisitemtype (sort {$a->{'lib'} cmp $b->{'lib'}} @$advsearchtypes) {
	    my %row =(
		    number=>$cnt++,
		    ccl => $advanced_search_types,
		    code => $thisitemtype->{authorised_value},
		    selected => $selected,
		    description => $thisitemtype->{'lib'},
		    count5 => $cnt % 4,
		    imageurl=> getitemtypeimagelocation( 'intranet', $thisitemtype->{'imageurl'} ),
		);
	    push @itemtypesloop, \%row;
	}
    }


    if ($op eq "do_search") {
       $template->param("no_query" => 1);
    } else {
       $template->param("no_query" => 0);
    }
    $template->param(itemtypeloop => \@itemtypesloop);
}
# Print the page
output_html_with_http_headers $input, $cookie, $template->output;

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