#!/usr/bin/perl

# Copyright Biblibre 2007
#
# 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 3 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, see <https://www.gnu.org/licenses>.

use strict;

#use warnings; FIXME - Bug 2505

use CGI        qw ( -utf8 );
use C4::Output qw( output_html_with_http_headers );
use C4::Context;
use C4::Search qw( new_record_from_zebra );
use C4::Auth   qw( get_template_and_user );
use C4::Output qw( output_html_with_http_headers );

use C4::Biblio qw( TransformMarcToKoha );

use Koha::Biblios;
use Koha::ItemTypes;

use Koha::SearchEngine;
use Koha::SearchEngine::Search;

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

sub plugin_javascript {
    my ( $dbh, $record, $tagslib, $field_number ) = @_;
    my $function_name = $field_number;
    my $res           = "
    <script>
        function Clic$function_name(event) {
            event.preventDefault();
            defaultvalue=document.getElementById(event.data.id).value;
            window.open(\"/cgi-bin/koha/cataloguing/plugin_launcher.pl?plugin_name=unimarc_field_4XX.pl&index=\" + event.data.id + \"&result=\"+defaultvalue,\"unimarc_field_4\"+event.data.id+\"\",'width=900,height=700,toolbar=false,scrollbars=yes');

        }
    </script>
    ";

    return ( $function_name, $res );
}

# sub plugin
#
# input arg :
# -- op could be equals to
# * fillinput :
# * do_search :
#

sub plugin {
    my ($input)   = @_;
    my $dbh       = C4::Context->dbh;
    my $query     = CGI->new;
    my $op        = $query->param('op');
    my $type      = $query->param('type');
    my $startfrom = $query->param('startfrom');
    $startfrom = 0 if ( !defined $startfrom );
    my ( $template, $loggedinuser, $cookie );
    my $resultsperpage;

    if ( $op eq "fillinput" ) {
        my $biblionumber = $query->param('biblionumber');
        my $index        = $query->param('index');
        my $marcrecord;

        # open template
        ( $template, $loggedinuser, $cookie ) = get_template_and_user(
            {
                template_name => "cataloguing/value_builder/unimarc_field_4XX.tt",
                query         => $query,
                type          => "intranet",
                flagsrequired => { editcatalogue => '*' },
            }
        );

        #get marc record
        my $biblio = Koha::Biblios->find($biblionumber);
        $marcrecord = $biblio->metadata->record;

        my $subfield_value_9 = $biblionumber;
        my $subfield_value_0;
        $subfield_value_0 = $marcrecord->field('001')->data
            if $marcrecord->field('001');
        my $subfield_value_a;
        if ( $marcrecord->field('700') ) {
            $subfield_value_a = $marcrecord->field('700')->subfield("a");
            $subfield_value_a .= ", " . $marcrecord->subfield( '700', "b" )
                if $marcrecord->subfield( '700', 'b' );
            $subfield_value_a .= " " . $marcrecord->subfield( '700', "d" )
                if $marcrecord->subfield( '700', 'd' );
            $subfield_value_a .= " (" . $marcrecord->subfield( '700', 'c' )
                if $marcrecord->subfield( '700', 'c' );
            $subfield_value_a .= " ; "
                if $marcrecord->subfield( '700', 'c' )
                and $marcrecord->subfield( '700', 'f' );
            $subfield_value_a .= " ("
                if ( $marcrecord->subfield( '700', 'f' )
                and not( $marcrecord->subfield( '700', 'c' ) ) );
            $subfield_value_a .= $marcrecord->subfield( '700', 'f' )
                if ( $marcrecord->subfield( '700', 'f' ) );
            $subfield_value_a .= ")"
                if ( $marcrecord->subfield( '700', 'f' )
                or $marcrecord->subfield( '700', 'c' ) );
        } elsif ( $marcrecord->field('702') ) {
            $subfield_value_a = $marcrecord->subfield( '702', 'a' );
            $subfield_value_a .= ", " . $marcrecord->subfield( '702', 'b' )
                if $marcrecord->subfield( '702', 'b' );
            $subfield_value_a .= " " . $marcrecord->subfield( '702', 'd' )
                if $marcrecord->subfield( '702', 'd' );
            $subfield_value_a .= " (" . $marcrecord->subfield( '702', 'c' )
                if $marcrecord->subfield( '702', 'c' );
            $subfield_value_a .= " ; "
                if $marcrecord->subfield( '702', 'c' )
                and $marcrecord->subfield( '702', 'f' );
            $subfield_value_a .= " ("
                if $marcrecord->subfield( '702', 'f' )
                and not $marcrecord->subfield( '702', 'c' );
            $subfield_value_a .= $marcrecord->subfield( '702', 'f' )
                if $marcrecord->subfield( '702', 'f' );
            $subfield_value_a .= ")"
                if $marcrecord->subfield( '702', 'f' )
                or $marcrecord->subfield( '702', 'c' );
        } elsif ( $marcrecord->field('710') ) {
            $subfield_value_a = $marcrecord->subfield( '710', 'd' ) . " "
                if $marcrecord->subfield( '710', 'd' );
            $subfield_value_a .= $marcrecord->subfield( '710', 'a' )
                if $marcrecord->subfield( '710', 'a' );
            $subfield_value_a .= ", " . $marcrecord->subfield( '710', 'b' )
                if $marcrecord->subfield('710');
            $subfield_value_a .= " (" . $marcrecord->subfield( '710', 'f' ) . " - "
                if $marcrecord->subfield( '710', 'f' );
            $subfield_value_a .= " ("
                if $marcrecord->subfield( '710', 'e' )
                and not $marcrecord->subfield( '710', 'f' );
            $subfield_value_a .= $marcrecord->subfield( '710', 'e' )
                if $marcrecord->subfield( '710', 'e' );
            $subfield_value_a .= ")"
                if $marcrecord->subfield( '710', 'e' )
                or $marcrecord->subfield( '710', 'f' );
        } elsif ( $marcrecord->field('701') ) {
            $subfield_value_a = $marcrecord->subfield( '701', 'a' );
            $subfield_value_a .= ", " . $marcrecord->subfield( '701', 'b' )
                if $marcrecord->subfield( '701', 'b' );
            $subfield_value_a .= " " . $marcrecord->subfield( '701', 'd', )
                if $marcrecord->subfield( '701', 'd' );
            $subfield_value_a .= " (" . $marcrecord->subfield( '701', 'c' ) . " - "
                if $marcrecord->subfield( '701', 'c' );
            $subfield_value_a .= " ("
                if $marcrecord->subfield( '701', 'f' )
                and not( $marcrecord->subfield( '701', 'c' ) );
            $subfield_value_a .= $marcrecord->subfield( '701', 'f' )
                if $marcrecord->subfield( '701', 'f' );
            $subfield_value_a .= ")"
                if $marcrecord->subfield( '701', 'f' )
                or $marcrecord->subfield( '701', 'c' );
        } elsif ( $marcrecord->field('712') ) {
            $subfield_value_a = $marcrecord->subfield( '712', 'd' ) . " "
                if $marcrecord->subfield( '712', 'd' );
            $subfield_value_a .= $marcrecord->subfield( '712', 'a' )
                if $marcrecord->subfield( '712', 'a' );
            $subfield_value_a .= ", " . $marcrecord->subfield( '712', 'b' )
                if $marcrecord->subfield( '712', 'b' );
            $subfield_value_a .= " (" . $marcrecord->subfield( '712', 'f' ) . " - "
                if $marcrecord->subfield( '712', 'f' );
            $subfield_value_a .= " ("
                if $marcrecord->subfield( '712', "e" )
                and not $marcrecord->subfield( '712', 'f' );
            $subfield_value_a .= $marcrecord->subfield( '712', 'e' )
                if $marcrecord->subfield( '712', 'e' );
            $subfield_value_a .= ")"
                if $marcrecord->subfield( '712', 'e' )
                or $marcrecord->subfield( '712', 'f' );
        } elsif ( $marcrecord->field('200') ) {
            $subfield_value_a = $marcrecord->subfield( '200', 'f' );
        }
        my $subfield_value_c;
        my $subfield_value_d;
        my $subfield_value_e;
        $subfield_value_c = $marcrecord->field('210')->subfield("a")
            if ( $marcrecord->field('210') );
        $subfield_value_d = $marcrecord->field('210')->subfield("d")
            if ( $marcrecord->field('210') );
        $subfield_value_e = $marcrecord->field('205')->subfield("a")
            if ( $marcrecord->field('205') );

        my $subfield_value_h;
        if (   ( $marcrecord->field('200') )
            && ( $marcrecord->field('200')->subfield("h") ) )
        {
            $subfield_value_h = $marcrecord->field('200')->subfield("h");
        } elsif ( ( $marcrecord->field('225') )
            && ( $marcrecord->field('225')->subfield("h") ) )
        {
            $subfield_value_h = $marcrecord->field('225')->subfield("h");
        } elsif ( ( $marcrecord->field('500') )
            && ( $marcrecord->field('500')->subfield("h") ) )
        {
            $subfield_value_h = $marcrecord->field('500')->subfield("h");
        }

        my $subfield_value_i;
        if (   ( $marcrecord->field('200') )
            && ( $marcrecord->field('200')->subfield("i") ) )
        {
            $subfield_value_i = $marcrecord->field('200')->subfield("i");
        } elsif ( ( $marcrecord->field('225') )
            && ( $marcrecord->field('225')->subfield("i") ) )
        {
            $subfield_value_i = $marcrecord->field('225')->subfield("i");
        } elsif ( ( $marcrecord->field('500') )
            && ( $marcrecord->field('500')->subfield("i") ) )
        {
            $subfield_value_i = $marcrecord->field('500')->subfield("i");
        }

        my $subfield_value_l;
        $subfield_value_l = $marcrecord->field('200')->subfield("d")
            if ( $marcrecord->field('200') );

        my $subfield_value_n;
        $subfield_value_n = $marcrecord->field('210')->subfield("c")
            if ( $marcrecord->field('210') );

        my $subfield_value_o;
        $subfield_value_o = $marcrecord->field('200')->subfield("e")
            if ( $marcrecord->field('200') );

        my $subfield_value_p;
        $subfield_value_p = $marcrecord->field('215')->subfield("a")
            if ( $marcrecord->field('215') );

        my $subfield_value_t;
        if (   ( $marcrecord->field('200') )
            && ( $marcrecord->field('200')->subfield("a") ) )
        {
            $subfield_value_t = $marcrecord->field('200')->subfield("a");
        } elsif ( ( $marcrecord->field('225') )
            && ( $marcrecord->field('225')->subfield("a") ) )
        {
            $subfield_value_t = $marcrecord->field('225')->subfield("a");
        } elsif ( ( $marcrecord->field('500') )
            && ( $marcrecord->field('500')->subfield("a") ) )
        {
            $subfield_value_t = $marcrecord->field('500')->subfield("a");
        }

        my $subfield_value_u;
        if ( $marcrecord->field('856') ) {
            $subfield_value_u = $marcrecord->field('856')->subfield("u");
        }

        my $subfield_value_v;
        if (   ( $marcrecord->field('225') )
            && ( $marcrecord->field('225')->subfield("v") ) )
        {
            $subfield_value_v = $marcrecord->field('225')->subfield("v");
        } elsif ( ( $marcrecord->field('200') )
            && ( $marcrecord->field('200')->subfield("h") ) )
        {
            $subfield_value_v = $marcrecord->field('200')->subfield("h");
        }
        my $subfield_value_x;
        if (
            $marcrecord->field('011')
            and not( ( $marcrecord->field('011')->subfield("y") )
                or ( $marcrecord->field('011')->subfield("z") ) )
            )
        {
            $subfield_value_x = $marcrecord->field('011')->subfield("a");
        }
        my $subfield_value_y;
        if ( $marcrecord->field('013') ) {
            $subfield_value_y = $marcrecord->field('013')->subfield("a");
        }
        if ( $marcrecord->field('010') ) {
            $subfield_value_y = $marcrecord->field('010')->subfield("a");
        }
        $template->param(
            fillinput        => 1,
            index            => scalar $query->param('index') . "",
            biblionumber     => $biblionumber ? $biblionumber : "",
            subfield_value_9 => "$subfield_value_9",
            subfield_value_0 => "$subfield_value_0",
            subfield_value_a => "$subfield_value_a",
            subfield_value_c => "$subfield_value_c",
            subfield_value_d => "$subfield_value_d",
            subfield_value_e => "$subfield_value_e",
            subfield_value_h => "$subfield_value_h",
            subfield_value_i => "$subfield_value_i",
            subfield_value_l => "$subfield_value_l",
            subfield_value_n => "$subfield_value_n",
            subfield_value_o => "$subfield_value_o",
            subfield_value_p => "$subfield_value_p",
            subfield_value_t => "$subfield_value_t",
            subfield_value_u => "$subfield_value_u",
            subfield_value_v => "$subfield_value_v",
            subfield_value_x => "$subfield_value_x",
            subfield_value_y => "$subfield_value_y",
        );
###############################################################
    } elsif ( $op eq "do_search" ) {
        my $search         = $query->param('search');
        my $itype          = $query->param('itype');
        my $startfrom      = $query->param('startfrom');
        my $resultsperpage = $query->param('resultsperpage') || 20;
        my $orderby;
        my $op = 'AND';
        $search = 'kw:' . $search . " $op mc-itemtype:" . $itype if $itype;
        my $searcher = Koha::SearchEngine::Search->new( { index => $Koha::SearchEngine::BIBLIOS_INDEX } );
        my ( $errors, $results, $total_hits ) =
            $searcher->simple_search_compat( $search, $startfrom * $resultsperpage, $resultsperpage );

        if ( defined $errors ) {
            $results = [];
        }
        my $total = @{$results};

        #        warn " biblio count : ".$total;

        ( $template, $loggedinuser, $cookie ) = get_template_and_user(
            {
                template_name => "cataloguing/value_builder/unimarc_field_4XX.tt",
                query         => $query,
                type          => 'intranet',
            }
        );

        # multi page display gestion
        my $displaynext = 0;
        my $displayprev = $startfrom;

        if ( ( $total_hits - ( ( $startfrom + 1 ) * ($resultsperpage) ) ) > 0 ) {
            $displaynext = 1;
        }
        my @arrayresults;
        my @field_data = ($search);
        for ( my $i = 0 ; $i < $total && $i < $resultsperpage ; $i++ ) {
            my $record = C4::Search::new_record_from_zebra( 'biblioserver', $results->[$i] );
            next unless $record;
            my $rechash = TransformMarcToKoha( { record => $record } );
            if ( my $f = $record->field('200') ) {
                $rechash->{fulltitle} =
                    join( ', ', map { $_->[1] } grep { $_->[0] =~ /[aehi]/ } $f->subfields() );
            } else {
                $rechash->{fulltitle} = $rechash->{title};
            }
            my $pos;
            my $countitems;
            if ( $rechash->{itemnumber} ) {
                $countitems = 1;
            }
            while ( index( $rechash->{itemnumber}, '|', $pos ) > 0 ) {
                $countitems += 1;
                $pos = index( $rechash->{itemnumber}, '|', $pos ) + 1;
            }
            $rechash->{totitem} = $countitems;
            my @holdingbranches = split /\|/, $rechash->{holdingbranch};
            my @itemcallnumbers = split /\|/, $rechash->{itemcallnumber};
            my $CN;
            for ( my $i = 0 ; $i < @holdingbranches ; $i++ ) {
                $CN .= $holdingbranches[$i] . " ( " . $itemcallnumbers[$i] . " ) |";
            }
            $CN =~ s/ \|$//;
            $rechash->{CN} = $CN;
            push @arrayresults, $rechash;
        }

        #         for(my $i = 0 ; $i <= $#marclist ; $i++)
        #         {
        #             push @field_data, { term => "marclist", val=>$marclist[$i] };
        #             push @field_data, { term => "and_or", val=>$and_or[$i] };
        #             push @field_data, { term => "excluding", val=>$excluding[$i] };
        #             push @field_data, { term => "operator", val=>$operator[$i] };
        #             push @field_data, { term => "value", val=>$value[$i] };
        #         }

        my @numbers = ();

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

        my $from = $startfrom * $resultsperpage + 1;
        my $to;

        if ( $total_hits < $from + $resultsperpage ) {
            $to = $total_hits;
        } else {
            $to = $from + $resultsperpage;
        }

        #         my $link="/cgi-bin/koha/cataloguing/value_builder/unimarc4XX.pl?op=do_search&q=$search_desc&resultsperpage=$resultsperpage&startfrom=$startfrom&search=$search";
        #           foreach my $sort (@sort_by){
        #             $link.="&sort_by=".$sort."&";
        #           }
        #           $template->param(
        #             pagination_bar => pagination_bar(
        #                     $link,
        #                     getnbpages($hits, $results_per_page),
        #                     $page,
        #                     'page'
        #             ),
        #           );
        $template->param(
            result         => \@arrayresults,
            index          => scalar $query->param('index') . "",
            startfrom      => $startfrom,
            displaynext    => $displaynext,
            displayprev    => $displayprev,
            resultsperpage => $resultsperpage,
            orderby        => $orderby,
            startfromnext  => $startfrom + 1,
            startfromprev  => $startfrom - 1,
            searchdata     => \@field_data,
            total          => $total_hits,
            from           => $from,
            to             => $to,
            numbers        => \@numbers,
            search         => $search,
            Search         => 0
        );

    } else {
        ( $template, $loggedinuser, $cookie ) = get_template_and_user(
            {
                template_name => "cataloguing/value_builder/unimarc_field_4XX.tt",
                query         => $query,
                type          => "intranet",
            }
        );

        my @itemtypes = Koha::ItemTypes->search->as_list;

        $template->param(    #classlist => $classlist,
            itypeloop => \@itemtypes,
            index     => scalar $query->param('index'),
            Search    => 1,
        );
    }
    output_html_with_http_headers $query, $cookie, $template->output;
}
