<?php

use codeagent\treemap\Treemap;

use codeagent\treemap\presenter\ImagePresenter;

use codeagent\treemap\presenter\NodeInfo;

function tri($a, $b) {

    if ($a['value'] == $b['value']) return 0;

    return ($a['value'] < $b['value']) ? 1 : -1;

}

function DrawBlock($the_block, $vImage, $parametres)

{

  $type    = 1;

  if (isset($parametres['x']))                $x       = $parametres['x']+2;

  if (isset($parametres['y']))                $y       = $parametres['y']+2;

  if (isset($parametres['width']))            $width   = $parametres['width']-4;

  if (isset($parametres['height']))           $height  = $parametres['height']-4;

  if (isset($parametres['methode']))          $mode    = $parametres['methode'];

  if (isset($parametres['type']))             $type    = $parametres['type'];

  if (isset($parametres['font_color']))       $vBgColor   = $parametres['font_color'];

  if (isset($parametres['background_color'])) $vFgColor   = $parametres['background_color'];

  imagefilledrectangle($vImage, $x, $y, $x+$width, $y+$height, $vFgColor);

  $couleurs = array();

  $couleurs[0] = imagecolorallocate($vImage, 245, 245, 240); // 255,255,255 Blanc

  $couleurs[1] = imagecolorallocate($vImage, 155, 30, 10); // Rouge

  $couleurs[2] = imagecolorallocate($vImage, 12, 102, 153); // Behr Mondrian Blue #0c6699

  $couleurs[3] = imagecolorallocate($vImage, 240, 200, 5); // Jaune

  $full_area = $width * $height;

  if ($full_area == 0) $full_area = 1;

  $data = blockchain::getTransactionData($the_block, $type);

  /*

   * Limiter à 42 rectangles

   */

  usort($data, 'tri');

  $n=0;

  $i=count($data)-1;

  while($i>41) $n+=$data[$i--]['value'];

  $n=intval(round(($n * 1.0) / count($data)));

  $data = array_slice($data, 0, 41);

  $data[] = ["hash" => "0000000000000000000000000000000000000000000000000000000000000000", "value" => $n];

  usort($data, 'tri');

  /*

   *  TODO : Faire une classification automatique

   *         C'est à dire classer toutes les transactions en 42 classes

   */

  $treemap = new Treemap($data, $width, $height);

  $map = $treemap->getMap();

  $m = count($map);

  $flag_contour = true;

  for($mm = 0; $mm < $m; $mm++)

  {

    $tx     = $map[$mm];

    $factor = (($tx['_rectangle']->width * $tx['_rectangle']->height) / $full_area)*100.0;

    $x1 = $x + $tx['_rectangle']->left;

    $y1 = $y + $tx['_rectangle']->top;

    $x2 = $x1 + $tx['_rectangle']->width;

    $y2 = $y1 + $tx['_rectangle']->height;

    if ($x1 > ($x+$width))  $x1 = ($x+$width);

    if ($y1 > ($y+$height)) $y1 = ($y+$height);

    if ($x2 > ($x+$width))  $x2 = ($x+$width);

    if ($y2 > ($y+$height)) $y2 = ($y+$height);

    //if (($x2 - $x1) < ($width*0.015)) break;

    //if (($y2 - $y1) < ($height*0.015)) break;

    $factor=($x1*$x2*$y1*$y2) % 100;

    // Je triche: les petits rectangles sont blancs

    if (($x2 - $x1) < 6) $factor=90;

    if (($y2 - $y1) < 6) $factor=90;

    $couleur = 0;

    if ($factor < 50) $couleur += 1;

    if ($factor < 25) $couleur += 1;

    if ($factor < 10) $couleur += 1;

    // Pourtour noir

    imagefilledrectangle($vImage, $x1, $y1, $x2, $y2, $vBgColor);

    // Intérieur de couleur

    $dx = 1 + floor(0.0025 * $width);

    $dy = 1 + floor(0.0025 * $height);

    // Je triche: les petits rectangle ont un tour de 1 pixel

    if (($x2 - $x1) < 6) $dy=1;

    if (($y2 - $y1) < 6) $dy=1;

    $x1 = $x1 + $dx;$x2 = $x2 - $dx;

    $y1 = $y1 + $dy;$y2 = $y2 - $dy;

    if ($x1 > ($x+$width))  $x1 = ($x+$width);

    if ($y1 > ($y+$height)) $y1 = ($y+$height);

    if ($x2 > ($x+$width))  $x2 = ($x+$width);

    if ($y2 > ($y+$height)) $y2 = ($y+$height);

    imagefilledrectangle($vImage, $x1, $y1, $x2, $y2, $couleurs[$couleur]);

  }

  if ($mm < $m) imagerectangle($vImage, $x1, $y1, $x+$width, $y+$height, $vBgColor);

}

?>