<?php

// ---

// --- Listening to blockchain.info to get the last block

// ---

// ---

// --- La config globale

// ---

require_once '../../global/inc/config.php';

// ---

// --- External dependances

// ---

require TOPISTO_PATH.'/ressources/vendor/autoload.php';

$width       = 840;

$height      = 104;

$h           = $height*6;

$final_hash  = 'default';

$img = imagecreatetruecolor($width, $h);

$tr = imagecolorallocate($img, 220, 220, 220);

imagecolortransparent($img, $tr);

imagefilledrectangle($img, 0, 0, $width, $height*6, $tr);

$handle = fopen(DATA_PATH.'/hashes2hashes/liste.txt', 'r');

if ($handle) {

  while (($hash = fgets($handle, 4096)) !== false) {

    $hash = preg_replace('~[[:cntrl:]]~', '', $hash);

    $split = explode(' ', $hash);

    $hash = $split[1];

    if ($final_hash == 'default') $final_hash = $hash;

    $hash = DATA_PATH.'/hashes/'.$hash.'.png';

    if (file_exists($hash))

    {

      $h -= $height;

      $src_img = imagecreatefrompng($hash);

      if ($src_img) 

      {

        if (FALSE === imagecopy($img, $src_img, 0, $h, 0, 0, $width, $height))

          echo "Erreur : problème de copie image".PHP_EOL;

      } else echo "Erreur: ".$hash." ne semble pas être une image PNG".PHP_EOL;

    } else echo "Erreur: ".$hash." n'a pas été trouvé".PHP_EOL;

  }

  if (!feof($handle)) {

      echo "Erreur: fgets() a échoué".PHP_EOL;

  }

  fclose($handle);

} else echo "Erreur: fopen('".DATA_PATH."/hashes2hashes/liste.txt') a échoué".PHP_EOL;

imagepng($img, DATA_PATH.'/hashes2hashes/'.$final_hash.'.png');

imagedestroy($img);

?>