<?php

header('Content-Type: application/json');

require_once 'Day.php';

$dayNumber = $_GET['day'] ?? null;
$part = intval($_GET['part'] ?? 1);

if ($dayNumber){
	$file = "days/Day$dayNumber.php";
	if (file_exists($file)){
		require_once $file;
		$class = "Day$dayNumber";

		/* @var $day Day */
		$day = new $class();

		$method = "part$part";
		if (method_exists($day, $method)){
			$t1 = microtime(true);
			$result = $day->$method();
			$t2 = microtime(true);

			$time = $t2 - $t1;

			$response = [
				'result' => $result,
				'time' => $time,
				'data' => null
			];

			echo json_encode($response);
			die();
		}
	}
}
echo json_encode([]);