<?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';

// ---
// --- Internal dependances
// ---
require_once APP_PATH.'/blockchain/inc/block.php';

// ---
// --- Par défaut on cherche le dernier block
// ---
$block_hash = 'LAST';

// ---
// --- Le cas échéant, on cherche block passé en argument
// ---
if (isset($argv[1])) $block_hash = $argv[1];

$mode=rand(0, 5);
if (isset($argv[2])) $mode=intval($argv[2]);

$the_block = blockchain::getBlockWithHash($block_hash);
if ($the_block === FALSE) die();

$bandeau     = 50;
$marge       = 0;
$text_border = 20;
$width       = GRAPH_WIDTH;
$height      = 2;

// Pour que l'image simple ait les proportions que l'image full
$width  = $marge + ($width*2)  + (2*$text_border);
$height = $marge + ($height*2);

$img_w = $width;
$img_h = $height+(2*$bandeau);

// création d'une image plus haute pour inclure bandeaux haut et bas
$img = imagecreatetruecolor($img_w, $img_h);

$paramHeader = blockchain::DrawBlockHeaderFooter($the_block, $img, $bandeau, $mode);

imagefilledrectangle($img, 0, $bandeau, $width, $bandeau + $height, $paramHeader[2]);

imagefilledrectangle($img, 0, 0, 0, $img_h, $paramHeader[2]);
imagefilledrectangle($img, $img_w-1, 0, $img_w-1, $img_h, $paramHeader[2]);

imagepng($img, DATA_PATH.'/hashes/'.$the_block->hash.'.png');

imagedestroy($img);

?>