#!/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

=head1 NAME

detail.pl : script to show an authority in MARC format

=head1 SYNOPSIS


=head1 DESCRIPTION

This script needs an authid

It shows the authority in a (nice) MARC format depending on authority MARC
parameters tables.

=head1 FUNCTIONS

=over 2

=cut


use strict;
require Exporter;
use C4::AuthoritiesMarc;
use C4::Auth;
use C4::Context;
use C4::Output;
use CGI;
use MARC::Record;
use C4::Koha;
# use C4::Biblio;
# use C4::Catalogue;


my $query=new CGI;

my $dbh=C4::Context->dbh;

# open template
my ($template, $loggedinuser, $cookie)
		= get_template_and_user({template_name => "authorities/detail.tmpl",
			     query => $query,
			     type => "intranet",
			     authnotrequired => 0,
			     flagsrequired => {catalogue => 1},
			     debug => 1,
			     });

my $authid = $query->param('authid');



my $authtypecode = &GetAuthTypeCode($authid);
my $tagslib = &GetTagsLabels(1,$authtypecode);

my $record;
if (C4::Context->preference("AuthDisplayHierarchy")){
  my $trees=BuildUnimarcHierarchies($authid);
  my @trees = split /;/,$trees ;
  push @trees,$trees unless (@trees);
  my @loophierarchies;
  foreach my $tree (@trees){
    my @tree=split /,/,$tree;
    push @tree,$tree unless (@tree);
    my $cnt=0;
    my @loophierarchy;
    foreach my $element (@tree){
      my $cell;
      my $elementdata = GetAuthority($element);
      $record= $elementdata if ($authid==$element);
      push @loophierarchy, BuildUnimarcHierarchy($elementdata,"child".$cnt, $authid);
      $cnt++;
    }
    push @loophierarchies, { 'loopelement' =>\@loophierarchy};
  }
  $template->param(
    'displayhierarchy' =>C4::Context->preference("AuthDisplayHierarchy"),
    'loophierarchies' =>\@loophierarchies,
  );
} else {
  $record=GetAuthority($authid);
}
my $count = CountUsage($authid);

# find the marc field/subfield used in biblio by this authority
my $sth = $dbh->prepare("select distinct tagfield from marc_subfield_structure where authtypecode=?");
$sth->execute($authtypecode);
my $biblio_fields;
while (my ($tagfield) = $sth->fetchrow) {
	$biblio_fields.= $tagfield."9,";
}
chop $biblio_fields;


# fill arrays
my @loop_data =();
my $tag;
# loop through each tab 0 through 9
# for (my $tabloop = 0; $tabloop<=10;$tabloop++) {
# loop through each tag
my @fields = $record->fields();
my @loop_data =();
foreach my $field (@fields) {
		my @subfields_data;
	# if tag <10, there's no subfield, use the "@" trick
	if ($field->tag()<10) {
		next if ($tagslib->{$field->tag()}->{'@'}->{hidden});
		my %subfield_data;
		$subfield_data{marc_lib}=$tagslib->{$field->tag()}->{'@'}->{lib};
		$subfield_data{marc_value}=$field->data();
		$subfield_data{marc_subfield}='@';
		$subfield_data{marc_tag}=$field->tag();
		push(@subfields_data, \%subfield_data);
	} else {
		my @subf=$field->subfields;
# loop through each subfield
		for my $i (0..$#subf) {
			$subf[$i][0] = "@" unless $subf[$i][0];
			next if ($tagslib->{$field->tag()}->{$subf[$i][0]}->{hidden});
			my %subfield_data;
			$subfield_data{marc_lib}=$tagslib->{$field->tag()}->{$subf[$i][0]}->{lib};
			if ($tagslib->{$field->tag()}->{$subf[$i][0]}->{isurl}) {
				$subfield_data{marc_value}="<a href=\"$subf[$i][1]\">$subf[$i][1]</a>";
			} else {
				$subfield_data{marc_value}=$subf[$i][1];
			}
            $subfield_data{short_desc} = substr(
                $tagslib->{ $field->tag() }->{ $subf[$i][0] }->{lib},
                0, 20
            );
            $subfield_data{long_desc} =
              $tagslib->{ $field->tag() }->{ $subf[$i][0] }->{lib};
			$subfield_data{marc_subfield}=$subf[$i][0];
			$subfield_data{marc_tag}=$field->tag();
			push(@subfields_data, \%subfield_data);
		}
	}
	if ($#subfields_data>=0) {
		my %tag_data;
		$tag_data{tag}=$field->tag().' -'. $tagslib->{$field->tag()}->{lib};
		$tag_data{subfield} = \@subfields_data;
		push (@loop_data, \%tag_data);
	}
}
$template->param("0XX" =>\@loop_data);

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'},
			);
	push @authtypesloop, \%row;
}

$template->param(authid => $authid,
		count => $count,
		biblio_fields => $biblio_fields,
		authtypetext => $authtypes->{$authtypecode}{'authtypetext'},
		authtypesloop => \@authtypesloop,
		intranetcolorstylesheet => C4::Context->preference("intranetcolorstylesheet"),
		intranetstylesheet => C4::Context->preference("intranetstylesheet"),
		IntranetNav => C4::Context->preference("IntranetNav"),
		);
output_html_with_http_headers $query, $cookie, $template->output;