<?php
ob_start();
header("Cache-Control: no-cache");
session_start();
chdir('jpgraph');
include "jpgraph.php";
include "jpgraph_line.php";
chdir('../');
ob_end_clean();

$graph  = new Graph(550, 300,"auto");

switch ($_GET['what']) {
	case "points"  : $a_what = "points_aydata";  $p_what = "points_pydata"; break;
	case "fpoints" : $a_what = "fpoints_aydata"; $p_what = "fpoints_pydata"; break;
	case "rpoints" : $a_what = "rpoints_aydata"; $p_what = "rpoints_pydata"; break;
	case "member"  : $a_what = "members_aydata"; $p_what = ""; break;
}

// Create graph

$graph->SetScale( "textlin");

if (isset($_GET['text']) && !empty($_GET['text'])) {
	$graph->title->Set( urldecode($_GET['text']) );
	$graph->title->SetColor('#c4c4c4');
}

// set colors
$graph->SetMarginColor('#415680');
$graph->SetBackgroundGradient('#344566','#203041',GRAD_HOR,BGRAD_PLOT);
$graph->img->SetMargin(80,20 ,20,80);

$graph->yaxis->SetLabelFormatCallback('yLabelFormat');
$graph->yaxis->SetColor('#c4c4c4');

$graph->xaxis->SetColor('#c4c4c4');
$graph->xaxis->SetTextLabelInterval(1); // show every date
$graph->xaxis->SetLabelAngle(90);
$graph->xaxis->SetTickLabels($_SESSION['session_allyhistory']['xdata']);

// color array
$colors = array("lightgreen","orange","red","blue","yellow","pink","brown","white","purple","black");

// Create the linear plots
$i = 0;
foreach ($_SESSION['session_allyhistory'][$a_what] as $id => $value) {
	$lineplot[$i] = new LinePlot($_SESSION['session_allyhistory'][$a_what][$id]);
	$lineplot[$i]->SetColor($colors[$i]);
	$lineplot[$i]->SetLegend(urldecode($_SESSION['session_allyhistory']['ally_array'][$id]));
	$graph->Add( $lineplot[$i]);
	$i++;
}
if (isset($_SESSION['session_allyhistory'][$p_what])) { // if "members" is requested, this value is not set
	foreach ($_SESSION['session_allyhistory'][$p_what] as $id => $value) {
		$lineplot[$i] = new LinePlot($_SESSION['session_allyhistory'][$p_what][$id]);
		$lineplot[$i]->SetColor($colors[$i]);
		$lineplot[$i]->SetLegend(urldecode($_SESSION['session_allyhistory']['player_array'][$id]));
		$graph->Add( $lineplot[$i]);
		$i++;
	}
}

if ($_GET['what'] == "member") {
	//$graph->yaxis->scale->SetGrace(300,100);
	$graph->yaxis->scale->SetGrace(300,0);
	$graph->yaxis->scale->SetAutoMin(0);
}
//$lineplot = new LinePlot($_SESSION['session_allyhistory']['points_aydata'][8]);
//$lineplot->SetColor("lightgreen");
$graph->legend->SetFillColor('#203041');
$graph->legend->SetShadow(true);
$graph->legend->SetColor('#c4c4c4');
$graph->legend->SetColumns(5);
$graph->legend->Pos( 0.5, 0.95, 'center', 'bottom');
//$graph->legend->SetLayout (LEGEND_VERT);

// Display the graph
$graph->Stroke();

function yLabelFormat($aLabel) {
	if (is_numeric($aLabel)) return number_format($aLabel,0,",",".");
	else return $aLabel;
}

?>