#!/usr/bin/perl

use strict;
use warnings;

=head1 NAME

rsat-supported-organisms - Downloads the list of supported organisms.

=head1 SYNOPSIS

rsat-supported-organisms [options]

 Options: 
  -help               Display this help message
  -server <WSDL URL>  Select the server.
 
 Downloads the list of supported organisms and writes it to standard output.

=cut

use Getopt::Long;
use Pod::Usage;
use XML::Compile::SOAP11;
use XML::Compile::WSDL11;
use XML::Compile::Transport::SOAPHTTP;

use Data::Dumper;

sub main {
  my $help = 0; # FALSE
  my $server = 'http://pedagogix-tagc.univ-mrs.fr/rsat/web_services/RSATWS.wsdl';
  GetOptions("help|?" => \$help, "server=s" => \$server) or pod2usage(2);
  pod2usage(0) if $help;

  #
  # output
  #     Return type.
  #     Accepted values: 
  #     'server' (result is stored on a file on the server),
  #     'client' (result is directly transferred to the client),
  #     'both' (result is stored on the server and transferred to the client),
  #     and ticket (an identifier, allowing to monitor the job status and
  #     retrieve the result when it is done, is returned to the client).
  #     Default is 'both'.
  # return
  #     Return fields. Supported: ID,name,data,last_update,taxonomy,up_from,up_to,genome,seq_format,source,nb,selected_taxon,taxon_depth,org_per_taxon
  # format
  #     Output format. Supported: tab, tree, html_tree, newick (note this is incorrect in WSDL annotation)
  # taxon
  #     Root taxon.
  # source
  #     Only returns organisms from a user-selected source. Example: supported-organisms -source ensembl
  # depth
  #     Traversal depth for the taxononmic tree. If several organisms are supported in a max-dept taxon, only one is reported.
  #
  my %args = (
    'output' => 'client',
    'return' => 'ID,taxonomy',
    'format' => 'tab'
  );

  my $wsdl = XML::LibXML->new->parse_file($server);
  my $proxy = XML::Compile::WSDL11->new($wsdl);
  # Generating a request message based on the WSDL
  my $client = $proxy->compileClient('supported_organisms');

  my $answer = $client->( request => {%args});

  if ( defined $answer ) {
    if ($answer->{output}->{response}->{client}) {
      print $answer->{output}->{response}->{client};
      exit 0;
    } else {
      print STDERR Dumper($answer);
      exit 1;
    }
  } else {
    die("No answer?!");
  }
  
}
main(); 1;