#!/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 C4::AuthoritiesMarc;
use C4::Auth;
use C4::Context;
use C4::Output;
use CGI;
use C4::Search;
use MARC::Record;
use C4::Koha;

###TODO To rewrite in order to use SearchAuthorities

=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= $field_number;
#---- build editors list.
#---- the editor list is built from the "EDITORS" thesaurus
#---- this thesaurus category must be filled as follow :
#---- 200$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 $res  = "
<script type=\"text/javascript\">
function Focus$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;
    var nb_fields = document.f.field_value.length;
    for (i=0 ; i< nb_fields; i++) {
        if (document.f.tag[i].value == '010' && document.f.subfield[i].value == 'a') {
            isbn_found=document.f.field_value[i].value;
            break;
        }
    }
    try{
        isbn_found.getAttribute('value'); // throw an exception if doesn't (if no 010a)
    }
    catch(e){
        return;
    }
    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$function_name(subfield_managed) {
    defaultvalue=escape(document.getElementById(\"$field_number\").value);
    newin=window.open(\"../cataloguing/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 $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) = SearchAuthorities( \@tags,\@and_or,
                                            \@excluding, \@operator, \@value,
                                            $startfrom*$resultsperpage, $resultsperpage,$authtypecode);# $orderby);
    
        ($template, $loggedinuser, $cookie)
            = get_template_and_user({template_name => "cataloguing/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);
        }
        my $link="../cataloguing/plugin_launcher.pl?plugin_name=unimarc_field_210c.pl&amp;authtypecode=EDITORS&and_or=and&operator=contains&".join("&",map {"value=".$_} @value)."&op=do_search&type=intranet&index=$index";
        warn "$link ,".getnbpages($total, $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 => $startfrom-1,
                                total=>$total,
                                from=>$from,
                                to=>$to,
                                numbers=>\@numbers,
                                authtypecode =>$authtypecode,
                                resultstring =>$value[0],
                                pagination_bar => pagination_bar(
                                    $link,
                                    getnbpages($total, $resultsperpage),
                                    $startfrom,
                                    'startfrom'
                                ),
                                );
    } else {
        ($template, $loggedinuser, $cookie)
            = get_template_and_user({template_name => "cataloguing/value_builder/unimarc_field_210c.tmpl",
                    query => $query,
                    type => 'intranet',
                    authnotrequired => 0,
                    flagsrequired => {editcatalogue => 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;