<?php
    session_start();
    include "functions.php";
    if (isset($_GET['id'])) {
        $id = $_GET['id'];
    }
    if ($id == "0") {
        $id = '/.*';
    } else {
        $id=preg_replace('/^,/','',$id);
    }
    $rvals=docmd('extnoderange',$id,'subgroups');
    $parents=array();
    $root=1;
    if ($id == '/.*') {
        $id=',';
    } else {
        $parents=split("@",$id);
        $id=",$id@";
        $root=0;
    }
    unset($rvals->xcatresponse->serverdone[0]);
    $numsubgroups=count($rvals->xcatresponse->intersectinggroups);
    $numnodes=count($rvals->xcatresponse->node);
    $jdata=array();
    if ($numnodes >= $numsubgroups) { #If there are few enough subgroups to be helpful filters, add them in
        foreach ($rvals->xcatresponse->intersectinggroups as $group) {
            if (! in_array("$group",$parents)) {
            $jdata[]= array("data"=>"$group",
                            "attributes"=>array("id"=>"$id$group",
                                                "rel"=>'group'),
                            "state"=>'closed');
                            }
            
        }
    } #If there were more groups than nodes, leave the signal to noise ratio down
    if ($root==0) {
    foreach ($rvals->xcatresponse->node as $node) {
        $jdata[] = array("data"=>"$node",
                         "attributes"=>array("id"=>",$node",
                                             "rel"=>'node'));
    }
    }
#    header('Content-type: text/html');
    echo json_encode($jdata);
?>