package C4::Search::PazPar2;

# Copyright (C) 2007 LibLime
#
# 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 <http://www.gnu.org/licenses>.

use Modern::Perl;

use LWP::UserAgent;
use URI;
use URI::QueryParam;
use XML::Simple qw( XMLin );

=head1 NAME

C4::Search::PazPar2 - implement client for PazPar2

[Note: may rename to Net::PazPar2 or somesuch if decide to put on CPAN separate
 from Koha]

=head1 SYNOPSIS

=cut

=head1 DESCRIPTION

=cut

=head2 new

Missing POD for new.

=cut

sub new {
    my $class    = shift;
    my $endpoint = shift;

    my $self = {};
    $self->{'endpoint'} = $endpoint;
    $self->{'session'}  = '';
    $self->{'ua'}       = LWP::UserAgent->new;
    bless $self, $class;

    return $self;
}

=head2 init

Missing POD for init.

=cut

sub init {
    my $self = shift;

    my $uri = URI->new( $self->{'endpoint'} );
    $uri->query_param( command => 'init' );
    my $response = $self->{'ua'}->get($uri);
    if ( $response->is_success ) {
        my $message = XMLin( $response->content );
        if ( $message->{'status'} eq 'OK' ) {
            $self->{'session'} = $message->{'session'};
        }
    } else {
        warn $response->status_line;
    }
}

=head2 search

Missing POD for search.

=cut

sub search {
    my $self  = shift;
    my $query = shift;

    my $uri = URI->new( $self->{'endpoint'} );
    $uri->query_param( command => 'search' );
    $uri->query_param( session => $self->{'session'} );
    $uri->query_param( query   => $query );
    my $response = $self->{'ua'}->get($uri);
    if ( $response->is_success ) {

        #print $response->content, "\n";
    } else {
        warn $response->status_line;
    }

}

=head2 stat

Missing POD for stat.

=cut

sub stat {
    my $self = shift;

    my $uri = URI->new( $self->{'endpoint'} );
    $uri->query_param( command => 'stat' );
    $uri->query_param( session => $self->{'session'} );
    my $response = $self->{'ua'}->get($uri);
    if ( $response->is_success ) {
        return $response->content;
    } else {
        warn $response->status_line;
        return;
    }
}

=head2 show

Missing POD for show.

=cut

sub show {
    my $self  = shift;
    my $start = shift;
    my $count = shift;
    my $sort  = shift;

    my $uri = URI->new( $self->{'endpoint'} );
    $uri->query_param( command => 'show' );
    $uri->query_param( start   => $start );
    $uri->query_param( num     => $count );
    $uri->query_param( block   => 1 );
    $uri->query_param( session => $self->{'session'} );
    $uri->query_param( sort    => $sort );
    my $response = $self->{'ua'}->get($uri);

    if ( $response->is_success ) {
        return $response->content;
    } else {
        warn $response->status_line;
        return;
    }

}

=head2 record

Missing POD for record.

=cut

sub record {
    my $self   = shift;
    my $id     = shift;
    my $offset = shift;

    my $uri = URI->new( $self->{'endpoint'} );
    $uri->query_param( command => 'record' );
    $uri->query_param( id      => $id );
    $uri->query_param( offset  => $offset );
    $uri->query_param( binary  => 1 );
    $uri->query_param( session => $self->{'session'} );
    my $response = $self->{'ua'}->get($uri);
    if ( $response->is_success ) {
        return $response->content;
    } else {
        warn $response->status_line;
        return;
    }
}

=head2 termlist

Missing POD for termlist.

=cut

sub termlist {
    my $self = shift;
    my $name = shift;

    my $uri = URI->new( $self->{'endpoint'} );
    $uri->query_param( command => 'termlist' );
    $uri->query_param( name    => $name );
    $uri->query_param( session => $self->{'session'} );
    my $response = $self->{'ua'}->get($uri);
    if ( $response->is_success ) {
        return $response->content;
    } else {
        warn $response->status_line;
        return;
    }

}

1;

=head1 AUTHOR

Koha Development Team <http://koha-community.org/>

Galen Charlton <galen.charlton@liblime.com>

=cut