#!/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 getSortingFunction printTable);


sub help {
	return qq{
	Prints list of group members. Group is required field. Group can by specified by it's ID or by both it's name and VO.
	---------------------------------
	Available options:
	--groupId     | -g  Group identifier
	--groupName   | -G  Group name
	--voId        | -v  VO idetifier
	--voShortName | -V  VO short name
	--orderById   | -i  order by member's identifier
	--batch       | -b  batch
	--help        | -h  prints this help

	};
}

our $batch;
my ($groupId, $groupName, $voId, $voShortName, $sortingFunction);
GetOptions("help|h" => sub { print help; exit 0;} ,
	"groupId|g=i" => \$groupId,
"groupName|G=s" => \$groupName,
					 "voId|v=i" => \$voId,
				 "voShortName|V=s" => \$voShortName,
			 "orderById|i" => sub { $sortingFunction = getSortingFunction("getMemberId") },
			 "batch|b" => \$batch) || die help;

	 my $agent = Perun::Agent->new();
	 my $groupsAgent = $agent->getGroupsAgent;

#options check
	 unless(defined $sortingFunction) { $sortingFunction = getSortingFunction("getMemberId"); }
	 unless(defined $groupId) {
		 unless(defined $groupName) { die "ERROR: Group specification required.\n"; }
		 unless(defined $voId) {
			 unless(defined $voShortName) { die "ERROR: VO specification required.\n"; }
			 my $vo = $agent->getVosAgent->getVoByShortName(shortName => $voShortName);
			 $voId = $vo->getId;
		 }
		 my $group = $groupsAgent->getGroupByName(vo => $voId, name => $groupName);
		 $groupId = $group->getId;
	 }

	 my @richMembers = $groupsAgent->getGroupRichMembers(group => $groupId, pageSize => 0, pageNum => 0);
	 unless(@richMembers) { printMessage "No member found", $batch; exit 0; }

#output
	 printTable($sortingFunction, @richMembers);
