.  
 *
 * $Id$
 * 
 */
/**  
 * based upon semmelstatz
 * Copyright (c) 2005-2009 Andreas 'Redunzl' Mueller (redunzl@gmx.de)
 *    
 * @license http://www.gnu.org/licenses/gpl-2.0.html
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (version 2) as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
 
 if(!current_user_can('manage_statz')) {
	die('Zugriff verweigert');
}
include_once plugin_dir_path(__FILE__).'includes/pChart/class/pData.class.php';
include_once plugin_dir_path(__FILE__).'includes/pChart/class/pDraw.class.php';
include_once plugin_dir_path(__FILE__).'includes/pChart/class/pImage.class.php';
/**
 * chart for last 30 days
 * 
 * @uses pChart
 * @since 1.0.0
 * @todo use own semR chart class
 * 
 * @global wpdb $wpdb
 * @return void
 */
function sem_drawLast30DaysGoo() {
    global $wpdb;
    //$sql = $wpdb->get_results("ALTER TABLE ".$wpdb->statzhist." ORDER BY date ASC");
    $results = $wpdb->get_results("SELECT DAY(date) as days, visitors FROM ".$wpdb->statzhist." WHERE date >= NOW() - INTERVAL 31 DAY ORDER BY date ASC");
    print "
".semr_i18n("Visitors: Last 30 days")."
";
    print "";
    if (empty($results)) {
        print "... ".semr_i18n("no entries")."
";
        return;
    }
    foreach ($results as $result) {
    $visitors[] = $result->visitors;
    $days[] = $result->days;
    }
    $maxvalue = max($visitors);
    $daylabels = implode('|', $days);
    
    $MyData = new pData();  
    $MyData->addPoints($visitors,"Visitors");
    $MyData->setAxisName(0,"Hits");
    $MyData->addPoints($days,"Days");
    $MyData->setAbscissa("Days");
   
    $myPicture = new pImage(780,150,$MyData);    
    $myPicture->Antialias = FALSE;    
    $myPicture->drawRectangle(0,0,779,149,array("R"=>0,"G"=>0,"B"=>0));   
    $myPicture->setFontProperties(array("FontName"=>plugin_dir_path(__FILE__)."includes/pChart/fonts/Bedizen.ttf","FontSize"=>8));    
    $myPicture->setGraphArea(30,20,760,130);
    $scaleSettings = array("GridR"=>200,"GridG"=>200,"GridB"=>200);
    $myPicture->drawScale($scaleSettings);
    $myPicture->drawBarChart();
    @$myPicture->Render(WP_CONTENT_DIR."/cache/Last30DaysGoo.png"); 
    print "";
    //print "
.")
";
    if(is_readable(WP_CONTENT_DIR."/cache/Last30DaysGoo.png")) {
        print '

';
    } else if(!is_dir(WP_CONTENT_DIR."/cache")) {
        print semr_i18n('No Chart: Cannot find cache-folder!');
    } else if(!is_writable(WP_CONTENT_DIR."/cache")) {
        print semr_i18n('No Chart: Missing rights for cache-folder!');
    }
    print "
 ";
    print "";
    print "
";
	}
	
/**
 * chart of all month
 * 
 * @global wpdb $wpdb
 * @return void
 */
function sem_drawAllMonthGoo() {
		global $wpdb;
        
		$nummonths = $wpdb->get_var("SELECT MONTH(date) FROM ".$wpdb->statzhist);
		$results = $wpdb->get_results("SELECT MONTH(date) as months, SUM(visitors) as visitors FROM ".$wpdb->statzhist." GROUP BY months ORDER BY date ASC");
		
		print "";
  printf(semr_i18np("Visitors: Last %s month", "Visitors: Last %s month", $nummonths), $nummonths);
  print "
";
  
  print "";
		
			if (empty($results)) {
				print "... ".semr_i18n("no entries")."
";
				return;
			}
			
			foreach ($results as $result) {
				$visitors[] = $result->visitors;
				$months[] = $result->months;
			}
			
			$maxvalue = max($visitors);			
			$monthlabels = implode('|', $months);
   
   $MyData = new pData();  
    $MyData->addPoints($visitors,"Visitors");
    $MyData->setAxisName(0,"Hits");
    $MyData->addPoints($months,"Month");
    $MyData->setAbscissa("Month");
   
    $myPicture = new pImage(780,150,$MyData);    
    $myPicture->Antialias = FALSE;    
    $myPicture->drawRectangle(0,0,779,149,array("R"=>0,"G"=>0,"B"=>0));   
    $myPicture->setFontProperties(array("FontName"=>plugin_dir_path(__FILE__)."includes/pChart/fonts/Bedizen.ttf","FontSize"=>8));    
    $myPicture->setGraphArea(30,20,760,130);
    $scaleSettings = array("GridR"=>200,"GridG"=>200,"GridB"=>200);
    $myPicture->drawScale($scaleSettings);
    $myPicture->drawBarChart();
    @$myPicture->Render(WP_CONTENT_DIR."/cache/AllMonthGoo.png"); 
			
			print "";
		
				//print "
.")
";
			if(is_readable(WP_CONTENT_DIR."/cache/AllMonthGoo.png")) {
        print '

';
    } else if(!is_dir(WP_CONTENT_DIR."/cache")) {
        print semr_i18n('No Chart: Cannot find cache-folder!');
    } else if(!is_writable(WP_CONTENT_DIR."/cache")) {
        print semr_i18n('No Chart: Missing rights for cache-folder!');
    }
			print "
 ";
			
		print "";
		print "
";
	}
	
/**
 *
 * @global wpdb $wpdb
 * @return void
 */
function sem_drawAllDaysGoo() {
    global $wpdb;
    $numdays = $wpdb->get_var("SELECT COUNT(date) FROM ".$wpdb->statzhist);
    $results = $wpdb->get_results("SELECT referers, visitors, hits, substring(date,1,10) AS date
    FROM ".$wpdb->statzhist." GROUP BY date ORDER BY date ASC");
    
    print "";
    printf(semr_i18np("Visitors: %s day back", "Visitors: %s days back", $numdays), $numdays);
    print "
";
    print "";
    if (empty($results)) {
        print "... ".semr_i18n("no entries")."
";
        return;
    }
    foreach($results as $result) {
    $visitors[] = $result->visitors;
    $hits[] = $result->hits;
    $referers[] = $result->referers;
    }
    $maxvalue = max($visitors);
    
    $MyData = new pData();  
    $MyData->addPoints($visitors,"Visitors");
    $MyData->setAxisName(0,"Hits");
    $MyData->addPoints($hits,"Hits");
    $MyData->setAbscissa("Hits");
   
    $myPicture = new pImage(780,150,$MyData);    
    $myPicture->Antialias = FALSE;    
    $myPicture->drawRectangle(0,0,779,149,array("R"=>0,"G"=>0,"B"=>0));   
    $myPicture->setFontProperties(array("FontName"=>plugin_dir_path(__FILE__)."includes/pChart/fonts/Bedizen.ttf","FontSize"=>8));    
    $myPicture->setGraphArea(30,20,760,130);
    $scaleSettings = array("GridR"=>200,"GridG"=>200,"GridB"=>200);
    $myPicture->drawScale($scaleSettings);
    $myPicture->drawBarChart();
    @$myPicture->Render(WP_CONTENT_DIR."/cache/AllDaysGoo.png"); 
    
    print "";
    //print "
."&chxt=y&chxl=0:|0|".$maxvalue.")
";
    if(is_readable(WP_CONTENT_DIR."/cache/AllDaysGoo.png")) {
        print '

';
    } else if(!is_dir(WP_CONTENT_DIR."/cache")) {
        print semr_i18n('No Chart: Cannot find cache-folder!');
    } else if(!is_writable(WP_CONTENT_DIR."/cache")) {
        print semr_i18n('No Chart: Missing rights for cache-folder!');
    }
    print "
 ";
    print "";
    print "
";
}
	
	function sem_showAllDaysInNumbers() {
		global $wpdb;
		
        $numdays = $wpdb->get_var("SELECT COUNT(date) as num FROM $wpdb->statzhist");
		
        $results = $wpdb->get_results("SELECT referers, visitors, hits, substring(date,1,10) AS date
		FROM ".$wpdb->statzhist." GROUP BY date ORDER BY date DESC");
        
        print "";
        printf(semr_i18np("Last %s day", "Last %s days", $numdays), $numdays);
        print "
";
        if (empty($results)) {
            print "... ".semr_i18n("no entries")."";
            return;
        }
        print "";
        print "";
        print "";
        print "| ".semr_i18n("Date")." | ";
        print "".semr_i18n("Visitors")." | ";
        print "".semr_i18n("Hits")." | ";
        print "".semr_i18n("Referrer")." | ";
		print "  | ";
        print "
";
        print "";
        print "";
        $sum_visitors = 0;
        $sum_hits = 0;
        $sum_referers = 0;
        foreach($results as $key=>$result) {
            $date = mysql2date('d.m.Y',$result->date);
            $visitors = $result->visitors; 
            $sum_visitors += $visitors;
            $hits = $result->hits; 
            $sum_hits += $hits;
            $referers = $result->referers; 
            $sum_referers += $referers;
            print "";
            print "| ".$date." | ";
            print "".$visitors." | ";
            print "".$hits." | ";
            print "".$referers." | ";
            print "  | ";
            print "
";
        }
			
        print "|   | 
";
        print "";
        print "| ".semr_i18n("Total")." | ";
        print "".$sum_visitors." | ";
        print "".$sum_hits." | ";
        print "".$sum_referers." | ";
        print "
";
        print "";
        print "| ".semr_i18n("Average")." | ";
        print "".ceil($sum_visitors / $numdays)." | ";
        print "".ceil($sum_hits / $numdays)." | ";
        print "".ceil($sum_referers / $numdays)." | ";
        print "
";
        print "";
        print "
";
		print "
";
	}
	
### ANZEIGE HISTORY
	
	print "";
		print "
";
		print "
SemmelstatzR > ".semr_i18n("History")."
";
		
		sem_drawLast30DaysGoo();
		sem_drawAllMonthGoo();
		sem_drawAllDaysGoo();
		sem_showAllDaysInNumbers();
		sem_showCopyright();
	
	print "
 ";
		
?>