<?
header('Content-Type: image/png');
$image = imagecreatefromjpeg("PRC_banner.jpg");
list($url, $name, $start, $deadline, $voting_ends) = explode('|', file_get_contents('/home/larsenb/PRC.data'));
$name_font = '/home/larsenb/fonts/typewriterA602.ttf';
$time_font = '/home/larsenb/fonts/modern_lcd-7.ttf';
$window_left = 382;
$window_top = 46;
$name_color = imagecolorallocate($image, 20, 24, 28);

function textify_time($interval) {
  if ($interval->d >= 8) {
    $g_val = floor($interval->d / 7);
    $g_txt = ($g_val == 1) ? 'week' : 'weeks';
    $l_val = $interval->d % 7;
    $l_txt = ($l_val == 1) ? 'day' : 'days';
  } elseif ($interval->d >= 1) {
    $g_val = $interval->d;
    $g_txt = ($g_val == 1) ? 'day' : 'days';
    $l_val = $interval->h;
    $l_txt = ($l_val == 1) ? 'hour' : 'hours';
  } elseif ($interval->h >= 1) {
    $g_val = $interval->h;
    $g_txt = ($g_val == 1) ? 'hour' : 'hours';
    $l_val = $interval->i;
    $l_txt = ($l_val == 1) ? 'minute' : 'minutes';
  } else {
    $g_val = $interval->i;
    $g_txt = ($g_val == 1) ? 'minute' : 'minutes';
    $l_val = $interval->s;
    $l_txt = ($l_val == 1) ? 'second' : 'seconds';
  }
  return "$g_val $g_txt" . (($l_val > 0) ? ", $l_val $l_txt" : '');
}

function colorify_time($image, $start, $end) {
  $now = time();
  $y = (1 - ($now-$start->format('U'))/($end->format('U')-$start->format('U')))*255;
  return imagecolorallocate($image, 128, 0, $y/2);
}

$start = new DateTime('@'.$start);
$deadline = new DateTime('@'.$deadline);
$voting_ends = new DateTime('@'.$voting_ends);
$now = new DateTime('now');

if ($voting_ends < $now) {
  $time_text = 'Voting is closed!';
  $time_color = imagecolorallocate($image, 0, 64, 64);
} elseif ($deadline < $now) {
  $time_text = 'Voting ends in '.textify_time(date_diff($now, $voting_ends));
  $time_color = colorify_time($image, $deadline, $voting_ends);
} elseif ($start < $now) {
  $time_text = 'Deadline in '.textify_time(date_diff($now, $deadline));
  $time_color = colorify_time($image, $start, $deadline);
} else {
  $time_text = 'Round starts in '.textify_time(date_diff($now, $start));
  $time_color = imagecolorallocate($image, 0, 96, 48);
}


$name_box = imagettfbbox(12, 0, $name_font, $name);
$name_width = $name_box[4] - $name_box[6];
$name_height = $name_box[1] - $name_box[7];
$name_left = $window_left;
$name_bottom = $window_top + $name_height;
$time_box = imagettfbbox(8, 0, $time_font, $time_text);
$time_width = $time_box[4] - $time_box[6];
$time_height = $time_box[1] - $time_box[7];
$time_left = $window_left;
$time_bottom = $window_top + $name_height + $time_height + 3;


imagettftext($image, 12, 0, $name_left, $name_bottom, $name_color, $name_font, $name);
imagettftext($image, 7, 0, $time_left, $time_bottom, $time_color, $time_font, $time_text);

#echo "$time_text\n";

imagepng($image);
imagedestroy($image);
?>