<?php

require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_bar.php');

// Constants
$dataFile = '/home/ftb/unleashed/onlineTime.txt';

function readplayerdata($aFile, &$playerName, &$hoursOnline) {
  $fileContents = @file($aFile,FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES);

  if( $fileContents === false ) {
    throw new JpGraphException('Can not read player activity data file.');
  }

  for($line = 0; $line <= 29; $line++) {
    if(!array_key_exists($line, $fileContents)) {
      break;
    }

    $split = preg_split('/[\s]+/', $fileContents[$line]);
    $playerName[] = trim($split[0]);
    $hoursOnline[] = trim($split[1]);
  }
}

// Read data from file and store in arrays
$playerName = array();
$hoursOnline = array();
readplayerdata($dataFile,$playerName,$hoursOnline);

// Draw bar graph

// Color scheme in hex
$color1 = "#ECD078";
$color1Light = "#F6E8BC";
$color2 = "#D95B43";
$color3 = "#C02942";
$color4 = "#542437";
$color5 = "#53777A";

// Setup the basic parameters for the graph
$graph = new Graph(1000, 950);
// Manually set scale, leaving extra room on x axis for values to fit inside plot area
$graph->SetScale('textint', 0, ($hoursOnline[0] + 20), 0, 0);
$graph->SetAngle(90);
$graph->SetMargin(140, 40, 90, 60);
$graph->SetBox(true, $color5, 1);
$graph->SetMarginColor($color5);
$graph->SetFrame(true, $color5, 1);
$graph->SetColor($color1);

// Setup title for graph
$graph->title->Set('Player activity on The Beast Unleashed');
$graph->title->SetFont(FF_ARIAL,FS_BOLD,20);
$graph->title->SetColor($color3);
$graph->subtitle->Set("This graph shows the number of hours players have spent on the currently active map\nData is updated every 24 hours");
$graph->subtitle->SetColor($color1);

// Setup X-axis.
$graph->xaxis->SetTitle("User name", 'middle');
$graph->xaxis->title->SetFont(FF_ARIAL,FS_NORMAL,15);
$graph->xaxis->title->SetAngle(90);
$graph->xaxis->title->SetColor($color3);
$graph->xaxis->SetTitleMargin(110);
$graph->xaxis->SetLabelMargin(5);
$graph->xaxis->SetLabelAlign('right','center');
$graph->xaxis->SetTickLabels($playerName);
$graph->xaxis->SetFont(FF_ARIAL,FS_NORMAL,10);
$graph->xaxis->SetColor($color1);

// Setup Y-axis

// First we want it at the bottom, i.e. the 'max' value of the
// x-axis
$graph->yaxis->SetPos('max');

// Arrange the title
$graph->yaxis->SetTitle("Hours connected",'center');
$graph->yaxis->SetTitleSide(SIDE_RIGHT);
$graph->yaxis->title->SetFont(FF_ARIAL,FS_NORMAL,15);
$graph->yaxis->title->SetAngle(0);
$graph->yaxis->title->Align('center','top');
$graph->yaxis->title->SetColor($color3);
$graph->yaxis->SetTitleMargin(30);
$graph->yaxis->SetColor($color1);

// Arrange the labels
$graph->yaxis->SetLabelSide(SIDE_RIGHT);
$graph->yaxis->SetLabelAlign('center','top');

// Set up the y grid
$graph->ygrid->SetFill(true,$color1Light,$color1);
$graph->ygrid->SetColor($color1Light, false);

// Create the bar plot
$barplot = new BarPlot($hoursOnline);
$graph->Add($barplot);

// Set up bar plot, must be after Add($barplot) due to bug
$barplot->SetFillColor($color3);
$barplot->SetColor($color3);

// Show the number of hours next to each bar
$barplot->value->Show();
$barplot->value->HideZero();
$barplot->value->SetFont(FF_ARIAL,FS_BOLD,10);
$barplot->value->SetAlign('right','center');
$barplot->value->SetColor($color4);
$barplot->value->SetFormat('%d');

// Render and display graph
$graph->Stroke();

?>