#!/usr/bin/perl

use strict;
use warnings;
use Getopt::Long qw(:config no_ignore_case);
use Text::ASCIITable;
use Perun::Agent;
use Perun::Common qw(printMessage tableToPrint getSortingFunction);

sub help {
	return qq{
	Tool prints list of VO ExtSources. Vo is required fields.
	---------------------------------
	Available options:
	--voId        | -v  VO idetifier
	--voShortName | -V  VO short name
	--orderById   | -i  order by ExtSource identifier
	--orderByName | -n  order by ExtSource name
	--batch       | -b  batch
	--help        | -h  prints this help
	};
}

my ($voId, $voShortName, $batch, $sortingFunction);
GetOptions("help|h" => sub { print help; exit 0;} ,
	"voId|v=i" => \$voId,
"voShortName|V=s" => \$voShortName,
					 "orderById|i" => sub { $sortingFunction = getSortingFunction("getId") },
					 "orderByName|n" => sub { $sortingFunction = getSortingFunction("getName", 1) },
					 "batch|b" => \$batch) || die help;

			 my $agent = Perun::Agent->new();
			 my $vosAgent = $agent->getVosAgent;

#options check
			 unless(defined $sortingFunction) { $sortingFunction = getSortingFunction("getName", 1); }
			 unless(defined $voId) {
				 unless(defined $voShortName) { die "ERROR: VO specification required.\n"; }
				 my $vo = $agent->getVosAgent->getVoByShortName(shortName => $voShortName);
				 $voId = $vo->getId;
			 }

			 my $extSourceAgent = $agent->getExtSourcesAgent;
			 my @sources = $extSourceAgent->getVoExtSources(vo => $voId);
			 unless(@sources) { printMessage "No ExternalSources found", $batch; exit 0; }

#output
			 my $table = Text::ASCIITable->new();
			 $table->setCols('ID','Name', 'Type');

			 foreach my $source (sort $sortingFunction @sources) {
				 $table->addRow($source->getId, $source->getName, $source->getType);
			 }

			 print tableToPrint($table, $batch);
