#!/usr/bin/perl

# $Id$

# 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

require Exporter;
use C4::AuthoritiesMarc;
use C4::Auth;
use C4::Context;
use C4::Output;
use C4::Interface::CGI::Output;
use CGI;
use C4::Search;
use MARC::Record;
use C4::Koha;
use HTML::Template;

=head1

plugin_parameters : other parameters added when the plugin is called by the dopop function

=cut
sub plugin_parameters {
my ($dbh,$record,$tagslib,$i,$tabloop) = @_;
return "";
}

=head1

plugin_javascript : the javascript function called when the user enters the subfield.
contain 3 javascript functions :
* one called when the field is entered (OnFocus). Named FocusXXX
* one called when the field is leaved (onBlur). Named BlurXXX
* one called when the ... link is clicked (<a href="javascript:function">) named ClicXXX

returns :
* XXX
* a variable containing the 3 scripts.
the 3 scripts are inserted after the <input> in the html code

=cut
sub plugin_javascript {
my ($dbh,$record,$tagslib,$field_number,$tabloop) = @_;
my $function_name= "210c".(int(rand(100000))+1);
#---- build editors list.
#---- the editor list is built from the "EDITORS" thesaurus
#---- this thesaurus category must be filled as follow :
#---- 200$a for isbn
#---- 200$b for editor
#---- 200$c (repeated) for collections
my $sth = $dbh->prepare("select auth_subfield_table.authid,subfieldvalue from auth_subfield_table 
						left join auth_header on auth_subfield_table.authid=auth_header.authid 
						where authtypecode='EDITORS' and tag='200' and subfieldcode='a'");
my $sth2 = $dbh->prepare("select subfieldvalue from auth_subfield_table where tag='200' and subfieldcode='b' and authid=?");
$sth->execute;
my @editors;
my $authoritysep = C4::Context->preference("authoritysep");
while (my ($authid,$isbn) = $sth->fetchrow) {
	$sth2->execute($authid);
	my ($editor) = $sth2->fetchrow;
	push(@editors,"$isbn $authoritysep $editor");
}
my $res  = "
<script>
function Focus$function_name(index) {
var isbn_array = [ ";
foreach my $editor (@editors) {
	my @arr = split (/ $authoritysep /,$editor);
	$res .='["'.$arr[0].'","'.$arr[1].'","'.$arr[2].'"],';
}
chop $res;
$res .= "
];
	// search isbn subfield. it''s 010a
	var isbn_found;
	for (i=0 ; i<document.f.field_value.length ; i++) {
		if (document.f.tag[i].value == '010' && document.f.subfield[i].value == 'a') {
			isbn_found=document.f.field_value[i].value;
		}
	}
	for (i=0;i<=isbn_array.length;i++) {
		if (isbn_found.substr(0,isbn_array[i][0].length) == isbn_array[i][0]) {
			document.f.field_value[index].value =isbn_array[i][1];
		}
	}
}

function Blur$function_name(subfield_managed) {
	return 1;
}

function Clic$function_name(subfield_managed) {
	defaultvalue=escape(document.forms[0].field_value[subfield_managed].value);
	newin=window.open(\"../plugin_launcher.pl?plugin_name=unimarc_field_210c.pl&index=\"+subfield_managed,\"unimarc 225a\",'width=500,height=600,toolbar=false,scrollbars=yes');
}
</script>
";
return ($function_name,$res);
}

=head1

plugin : the true value_builded. The screen that is open in the popup window.

=cut

sub plugin {
my ($input) = @_;
	my $index = $input->param("index");
	my $result =  $input->param("result");

	my $query=new CGI;
	my $op = $query->param('op');
	my $authtypecode = $query->param('authtypecode');
	my $index = $query->param('index');
	my $category = $query->param('category');
	my $resultstring = $query->param('result');
	my $dbh = C4::Context->dbh;
	
	my $startfrom=$query->param('startfrom');
	$startfrom=0 if(!defined $startfrom);
	my ($template, $loggedinuser, $cookie);
	my $resultsperpage;
	
	my $authtypes = getauthtypes;
	my @authtypesloop;
	foreach my $thisauthtype (keys %$authtypes) {
		my $selected = 1 if $thisauthtype eq $authtypecode;
		my %row =(value => $thisauthtype,
					selected => $selected,
					authtypetext => $authtypes->{$thisauthtype}{'authtypetext'},
				index => $index,
				);
		push @authtypesloop, \%row;
	}

	if ($op eq "do_search") {
		my @marclist = $query->param('marclist');
		my @and_or = $query->param('and_or');
		my @excluding = $query->param('excluding');
		my @operator = $query->param('operator');
		my @value = $query->param('value');
	
		$resultsperpage= $query->param('resultsperpage');
		$resultsperpage = 19 if(!defined $resultsperpage);
	
		# builds tag and subfield arrays
		my @tags;
	
		my ($results,$total) = authoritysearch($dbh, \@tags,\@and_or,
											\@excluding, \@operator, \@value,
											$startfrom*$resultsperpage, $resultsperpage,$authtypecode);# $orderby);
	
		($template, $loggedinuser, $cookie)
			= get_template_and_user({template_name => "value_builder/unimarc_field_210c.tmpl",
					query => $query,
					type => 'intranet',
					authnotrequired => 0,
					flagsrequired => {editcatalogue => 1},
					debug => 1,
					});
	
		# multi page display gestion
		my $displaynext=0;
		my $displayprev=$startfrom;
		if(($total - (($startfrom+1)*($resultsperpage))) > 0 ) {
			$displaynext = 1;
		}
	
		my @numbers = ();
	
		if ($total>$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 => $highlight ,
						startfrom => ($i-1)};
				}
			}
		}
	
		my $from = $startfrom*$resultsperpage+1;
		my $to;
	
		if($total < (($startfrom+1)*$resultsperpage)) {
			$to = $total;
		} else {
			$to = (($startfrom+1)*$resultsperpage);
		}
		$template->param(result => $results) if $results;
		$template->param(index => $query->param('index'));
		$template->param(startfrom=> $startfrom,
								displaynext=> $displaynext,
								displayprev=> $displayprev,
								resultsperpage => $resultsperpage,
								startfromnext => $startfrom+1,
								startfromprev => $startfrom-1,
								index => $index,
								total=>$total,
								from=>$from,
								to=>$to,
								numbers=>\@numbers,
								authtypecode =>$authtypecode,
								resultstring =>$value[0],
								);
	} else {
		($template, $loggedinuser, $cookie)
			= get_template_and_user({template_name => "value_builder/unimarc_field_210c.tmpl",
					query => $query,
					type => 'intranet',
					authnotrequired => 0,
					flagsrequired => {catalogue => 1},
					debug => 1,
					});
	
		$template->param(index => $index,
						resultstring => $resultstring
						);
	}
	
	$template->param(authtypesloop => \@authtypesloop);
	$template->param(category => $category);
	
	# Print the page
	output_html_with_http_headers $query, $cookie, $template->output;
}

1;