<?php

require_once 'cronlog.class.php';
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */


/**
 * Description of cronlog-renderer
 *
 * @author hahn
 */
class cronlogrenderer extends cronlog{
//put your code here
    
    
    /**
     * get html code for a table with events of executed cronjobs
     * 
     * @param array  $aData   result of $oCL->getServerLogs()
     * @return string
     */
    public function renderJoblist($aData){
        $sHtml='';
        
        $sTblHead='';
        // job=dok-kvm-instances:host=kalium:start=1538358001:end=1538358001:exectime=0:ttl=60:rc=0
        foreach($aData as $aEntry){
            if(!$sTblHead){
                foreach(array('start', 'end', 'job', 'host', 'exectime', 'ttl', 'rc') as $sKey){
                    $sTblHead.='<th>'.$sKey.'</th>';
                }
            }
            $sHtml.='<tr>'
                    . '<td>'.date("Y-m-d H:i:s", $aEntry['start']).'</td>'
                    . '<td>'.date("Y-m-d H:i:s", $aEntry['end']).'</td>'
                    . '<td>'.$aEntry['job'].'</td>'
                    . '<td>'.$aEntry['host'].'</td>'
                    . '<td>'
                        .$aEntry['exectime'].'s'
                        .($aEntry['exectime']>100 ? ' ('.round($aEntry['exectime']/60).'min)' : '') 
                    . '</td>'
                    . '<td>'.$aEntry['ttl'].'</td>'
                    . '<td>'.$aEntry['rc'].'</td>'
                    . '</tr>'
                    ;
        }
        return '<table>'
            . '<thead><tr>'.$sTblHead.'</tr></thead>'
            . '<tbody>'
                .$sHtml
            .'</tbody>'
            . '</table>';
    }
    /**
     * get html code for a timeline with events of executed cronjobs
     * 
     * TODO:
     * for rendering of several hosts ... see grouping in
     * http://visjs.org/examples/timeline/groups/groupsOrdering.html
     * 
     * @param array  $aData   result of $oCL->getServerLogs()
     * @return string
     */
    public function renderJobGraph($aData){
        $sHtml='';
        static $iGraphCounter;
        if(!isset($iGraphCounter)){
            $iGraphCounter=0;
        }
        $iGraphCounter++;
        
        $sDivId='vis-timeline-'.$iGraphCounter;
        
        $aDataset=array();
        $iEntry=0;
        foreach($aData as $aEntry){
            $iEntry++;
            $aDataset[]=array(
                'id'=>$iEntry,
                'start'=>date("Y-m-d H:i:s", $aEntry['start']),
                'end'=>date("Y-m-d H:i:s", $aEntry['end']),
                'content'=>$aEntry['job'].'@'.$aEntry['host'],
                'className'=>'timeline-result-'.($aEntry['rc'] ? 'error' : 'ok'),
                'title'=>'<strong>'.$aEntry['job'].'@'.$aEntry['host'].'</strong><br>'
                    . 'start: ' . date("Y-m-d H:i:s", $aEntry['start']).'<br>'
                    . 'end: ' . date("Y-m-d H:i:s", $aEntry['end']).'<br>'
                    . 'exectime: '
                        .$aEntry['exectime'].'s'
                        .($aEntry['exectime']>100 ? ' ('.round($aEntry['exectime']/60).'min)' : '') 
                    . '<br>'
                    . 'rc = ' . $aEntry['rc'].'<br>'
                    ,
            );
        }
        
        $sHtml.='
        
        <!-- START '.__METHOD__.' -->

        <div id="'.$sDivId.'"></div>

        <script type="text/javascript">
          // DOM element where the Timeline will be attached
          var container = document.getElementById("'.$sDivId.'");

          // Create a DataSet (allows two way data-binding)
          var items = new vis.DataSet('.json_encode($aDataset).');

          // Configuration for the Timeline
          var options = {};

          // Create a Timeline
          var timeline = new vis.Timeline(container, items, options);
        </script>
        
        <!-- ENDE '.__METHOD__.'-->

        ';
        
        return $sHtml;
    }
    
}