<?php

$absolute_404_path = dirname(__FILE__) . '/404.html';

if(!isset($_GET['url'])) {
  header("HTTP/1.0 404 Not Found");
  echo file_get_contents($absolute_404_path);
  exit;
}

$url = $_GET['url'];
$urlParts = explode('/', trim($url, '/'));
$folder_name = $urlParts[0] ?? '';
$company_name_and_id = $urlParts[1] ?? '';
$page = $urlParts[2] ?? null;


if($page == 'index.html') {
  $page = '';
}

if(!preg_match('/\d+$/', $company_name_and_id, $id_match)) {
  header("HTTP/1.0 404 Not Found");
  echo file_get_contents($absolute_404_path);
  exit;
}
else {
  $id = $id_match[0];
}

if($id >= 1000) {
  $path = substr($id,0,3) . '/' . substr($id,3,2) . '/' . $id;
}
else {
  $path = substr($id,0,3) . '/' . $id;  
}

if($page) {
  $path .= '/'.$page;
}
$path .= '/index.html';

$absolute_filepath = dirname(__FILE__) . '/owners/' . $path;

if(!is_file($absolute_filepath)) {
  header("HTTP/1.0 404 Not Found");
  echo file_get_contents($absolute_404_path);
  exit;
}
else {
  echo file_get_contents($absolute_filepath);
}