#!/usr/bin/perl

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

sub help {
	return qq{
	Removes selected attribute from the group. Group id or group name and VO  and attribute id are required fields.
	--------------------------------------
	Available options:
	--groupId        | -g group id
	--groupName      | -G group name
	--voId           | -v vo id
	--voShortName    | -V vo short name
	--attributeId    | -a attribute id
	--attributeName  | -A attribute name including namespace
	--batch          | -b batch
	--help           | -h prints this help

	};
}

my ($groupId, $groupName, $voId, $voShortName, $attributeId, $attributeName, $batch);
GetOptions ("help|h" => sub { print help(); exit 0;} ,"batch|b" => \$batch,
"groupId|g=i" => \$groupId,
	 "groupName|G=s" => \$groupName,
 "voId|v=i" => \$voId,
	 "voShortName|V=s" => \$voShortName,
 "attributeName|A=s" => \$attributeName,
	 "attributeId|a=i" => \$attributeId) || die help();

# Check options
unless (defined($groupId) or ((defined($voShortName) or defined($voId)) and defined($groupName))) {die "ERROR: groupId or groupName and voId or voShortName is required\n";}
unless (defined($attributeId) or defined($attributeName)) { die "ERROR: attributeId or attributeName is required \n";}

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

unless(defined($groupId)) {
	unless (defined($voId)) {
		my $vo = $vosAgent->getVoByShortName(shortName => $voShortName);
		$voId = $vo->getId;
	}

	my $group = $groupsAgent->getGroupByName(vo => $voId, name => $groupName);
	$groupId = $group->getId;
}

my $attributesAgent = $agent->getAttributesAgent;

if (!defined($attributeId)) {
	my $attribute =  $attributesAgent->getAttribute(group => $groupId, attributeName => $attributeName);
	$attributeId = $attribute->getId;
}

$attributesAgent->removeAttribute(group => $groupId, attribute => $attributeId);

printMessage("Attribute Id:$attributeId removed from the group Id:$groupId", $batch);
