#!/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{
	Prints list of Attributes defined for Resource-Group. Group id or group name and VO and resource Id are required fields.
	---------------------------------------------------
	Available options:
	--groupId     | -g group id
	--groupName   | -G group name
	--voId        | -v vo id
	--voShortName | -V vo short name
	--resourceId  | -r resource id
	--orderById   | -i  order by numeric Id
	--orderByName | -n  order by Name
	--batch       | -b  batch
	--help        | -h  prints this help
	};
}

our $batch;
my ($groupId, $groupName, $voId, $voShortName, $resourceId, $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,
			 "resourceId|r=i" => \$resourceId,
		 "orderById|i" => sub { $sortingFunction = getSortingFunction("getId") } ,
		 "orderByName|n" =>  sub {$sortingFunction = getSortingFunction("getName", 1) },
		 "batch|b" => \$batch) || die help;

#options check
 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($resourceId)) { die "ERROR: resourceId is required \n";}
 unless(defined $sortingFunction) { $sortingFunction = getSortingFunction("getName", 1); }

 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;

 my @attributes = $attributesAgent->getAttributes(group => $groupId, resource => $resourceId);
 unless(@attributes) { printMessage "No Attribute found", $batch; exit 0;}


#output
 my $table = Text::ASCIITable->new();
 $table->setCols('attribute Id','attribute friendly name','namespace', 'value');

 foreach my $attribute (sort $sortingFunction @attributes) {
	 $table->addRow($attribute->getId, $attribute->getName, $attribute->getType, $attribute->getValueAsScalar);
 }

 print tableToPrint($table, $batch);
