<?php
error_reporting( E_ALL ^ E_NOTICE ^ E_STRICT ^ E_WARNING ^ E_DEPRECATED );

function __autoload_my_classes( $classname )
{
  $q = explode( '\\', $classname );
  $c = array_pop( $q );
  $f = 'autoload/' . implode( '/', $q ) . '/class.' . $c . '.php';

  if ( file_exists( $f ) )
    require_once( $f );
  else
  {
    $f = 'autoload/' . implode( '/', $q ) . '/' . $c . '.php';
    if ( file_exists( $f ) )
      require_once( $f );
  }
}

spl_autoload_register( '__autoload_my_classes' );
date_default_timezone_set( 'Europe/Warsaw' );

require_once 'config.php';
require_once 'libraries/medoo/medoo.php';
require_once 'libraries/phpmailer/class.phpmailer.php';
require_once 'libraries/phpmailer/class.smtp.php';

session_start();

if ( !isset( $_SESSION[ 'check' ] ) )
{
  session_regenerate_id();
  $_SESSION[ 'check' ] = true;
  $_SESSION[ 'ip' ] = $_SERVER[ 'REMOTE_ADDR' ];
}

if ( $_SESSION[ 'ip' ] !== $_SERVER[ 'REMOTE_ADDR' ] )
{
  session_destroy();
  header( 'Location: /' );
  exit;
}

$mdb = new medoo( [
    'database_type' => 'mysql',
    'database_name' => $database[ 'name' ],
    'server'        => $database[ 'host' ],
    'username'      => $database[ 'user' ],
    'password'      => $database[ 'password' ],
    'charset'       => 'utf8',
    'time_debug' => $database['time_debug']
  ] );

// check routes
$parsed_url = parse_url($_SERVER['REQUEST_URI']);
$request_uri = ltrim($parsed_url['path'], '/');
$query_string = isset($parsed_url['query']) ? $parsed_url['query'] : '';
parse_str($query_string, $query_params);

if ($request_uri != '')
{
  $cache = new \Shared\Cache\CacheHandler();
  $cacheKey = 'pp_routes:all';
  $routesCached = $cache->get($cacheKey);

  if ($routesCached === false || $routesCached === null)
  {
    $routes = $mdb->select('pp_routes', '*');
    $cache->set($cacheKey, $routes, 86400);
  }
  else
  {
    $routes = unserialize($routesCached);
  }

  foreach ($routes as $route)
  {
    $pattern = $route['pattern'];
    $destination = $route['destination'];

    if (preg_match("#^" . $pattern . "#", $request_uri, $matches))
    {
      // Replace placeholders in the destination with matches from the request URI
      $destination = preg_replace("#^" . $pattern . "#", $destination, $request_uri);

      // Parse the destination string to extract GET parameters
      parse_str(parse_url($destination, PHP_URL_QUERY), $destination_params);

      // Merge the destination params with query params from the URL
      $_GET = array_merge($destination_params, $query_params);

      break;
    }
  }
}

\front\App::checkUrlParams();

$langRepo = new \Domain\Languages\LanguagesRepository( $mdb );

if ( !$lang_id = \Shared\Helpers\Helpers::get_session( 'current-lang' ) )
{
  $lang_id = $langRepo->defaultLanguage();
  \Shared\Helpers\Helpers::set_session( 'current-lang', $lang_id );
}

if ( !$lang = \Shared\Helpers\Helpers::get_session( 'lang-' . $lang_id ) )
{
  $lang = $langRepo->translations( $lang_id );
  \Shared\Helpers\Helpers::set_session( 'lang-' . $lang_id, $lang );
}

$settings = ( new \Domain\Settings\SettingsRepository( $mdb ) )->allSettings();
$client = \Shared\Helpers\Helpers::get_session( 'client' );

if ( \Shared\Helpers\Helpers::get( 'action' ) == 'htaccess' )
{
  \Shared\Helpers\Helpers::htacces( '' );
  unlink( 'install.php' );
  unlink( 'update.zip' );
  header( 'Location: /' );
  exit;
}

// check redirects
$request_uri = substr( $_SERVER[ 'REQUEST_URI' ], 1, strlen( $_SERVER[ 'REQUEST_URI' ] ) );
if ( $request_uri != '' )
{
  $new_url = $mdb -> get( 'pp_redirects', 'to', [ 'from' => $request_uri ], [ 'ORDER' => [ 'date_add' => 'DESC' ] ] );
  if ( $new_url['to'] )
  {
    header( 'Location: ' . $new_url[ 'to' ], true, 301 );
    exit;
  }
}

$pagesRepo = new \Domain\Pages\PagesRepository( $mdb );

if ( \Shared\Helpers\Helpers::get( 'a' ) == 'page' and \Shared\Helpers\Helpers::get( 'id' ) )
{
  $page = $pagesRepo->frontPageDetails( \Shared\Helpers\Helpers::get( 'id' ), $lang_id );
  \Shared\Helpers\Helpers::set_session( 'page', $page );
}

if ( !is_array( $page ) or !(int)$page['id'] )
{
  $page = \Shared\Helpers\Helpers::get_session( 'page' );
}

if ( !is_array( $page ) or !(int)$page['id'] )
{
  $page = $pagesRepo->frontPageDetails( '', $lang_id );
  \Shared\Helpers\Helpers::set_session( 'page', $page );
}

if ( \Shared\Helpers\Helpers::get( 'devel' ) )
  $settings[ 'devel' ] = true;

$out = \front\LayoutEngine::show();

if ( !isset( $_COOKIE[ "cookie_information" ] ) )
  $out = strrev( implode( strrev( \front\LayoutEngine::cookieInformation() . '</body>' ), explode( strrev( '</body>' ), strrev( $out ), 2 ) ) );

if ( $settings[ 'statistic_code' ] )
  $out = strrev( implode( strrev( $settings[ 'statistic_code' ] . '</body>' ), explode( strrev( '</body>' ), strrev( $out ), 2 ) ) );

/* wysyłka newslettera w tle */
$newsletterRepo = new \Domain\Newsletter\NewsletterRepository( $mdb );
$newsletterRepo->sendQueued( 1, $_SERVER['SERVER_NAME'], !empty( $settings['ssl'] ), $lang['wypisz-sie'] ?? 'Wypisz się' );

$dom = new DOMDocument( '1.0', 'UTF-8' );
$dom -> loadHTML( $out );
$stylesheet = $dom -> getElementsByTagName( 'link' );
$remove = [];
foreach ( $stylesheet as $item )
{
  if ( $item -> getAttribute( 'rel' ) == 'stylesheet' and strpos( $item -> getAttribute( 'class' ), 'footer' ) !== false )
    $remove[] = $item;
}

if ( $settings['google_tag_manager_id'] or ( $settings['own_gtm_js'] and $settings['own_gtm_html'] ) )
{
  $element = $dom -> createElement( 'script' );
  if ( $settings['own_gtm_js'] )
    $element -> nodeValue = $settings['own_gtm_js'];
  else
    $element -> nodeValue = '(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({\'gtm.start\': new Date().getTime(),event:\'gtm.js\'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!=\'dataLayer\'?\'&l=\'+l:\'\';j.async=true;j.src=\'https://www.googletagmanager.com/gtm.js?id=\'+i+dl;f.parentNode.insertBefore(j,f);})(window,document,\'script\',\'dataLayer\',\'' . $settings['google_tag_manager_id'] . '\');';

  $dom -> getElementsByTagName( 'head' ) -> item( 0 ) -> appendChild( $element );

  if ( $settings['own_gtm_html'] )
    $newElementHTML = $settings['own_gtm_html'];
  else
    $newElementHTML = '<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=' . $settings['google_tag_manager_id'] . '" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>';

  $newElement = $dom->createDocumentFragment();
  $newElement -> appendXML( $newElementHTML );

  $body = $dom -> getElementsByTagName( 'body' ) -> item( 0 );
  $body -> insertBefore( $newElement, $body -> firstChild );
}

/* piksel */
if ( $settings[ 'piksel' ] )
{
  $element = $dom -> createElement( 'script' );
  $piskel_code = '!function(f,b,e,v,n,t,s)
  {if(f.fbq)return;n=f.fbq=function(){n.callMethod?
  n.callMethod.apply(n,arguments):n.queue.push(arguments)};
  if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version=\'2.0\';
  n.queue=[];t=b.createElement(e);t.async=!0;
  t.src=v;s=b.getElementsByTagName(e)[0];
  s.parentNode.insertBefore(t,s)}(window, document,\'script\',
  \'https://connect.facebook.net/en_US/fbevents.js\');
  fbq(\'init\', \'' . $settings[ 'piksel' ] . '\');
  fbq(\'track\', \'PageView\');';

  if ( $_SERVER['REQUEST_URI'] == '/' )
    $piskel_code .= PHP_EOL . 'fbq( "track", "ViewContent", { content_category: "strona", content_name: "Strona główna" });';

  if ( $category[ 'id' ] )
    $piskel_code .= PHP_EOL . 'fbq(
      "track",
      "ViewCategory", {
        content_category: "kategoria",
        content_name: "' . htmlspecialchars( str_replace( '"', '', ( new \Domain\Category\CategoryRepository( $GLOBALS['mdb'] ) )->categoryName( (int)$category['id'], $lang_id ) ) ) . '",
        content_ids: ["' . implode( ',', ( new \Domain\Category\CategoryRepository( $GLOBALS['mdb'] ) )->getCategoryProductIds( (int)$category['id'] ) ) . '"],
        content_type: "product"
      });';

  if ( \Shared\Helpers\Helpers::get( 'product' ) )
    $piskel_code .= PHP_EOL . 'fbq( "track", "ViewContent", { content_category: "produkt", content_name: "' . htmlspecialchars( str_replace( '"', '', ( new \Domain\Product\ProductRepository( $GLOBALS['mdb'] ) )->getProductNameCached( (int)\Shared\Helpers\Helpers::get( 'product' ), $lang_id ) ) ) . '", content_ids: ["' . \Shared\Helpers\Helpers::get( 'product' ) . '"], content_type: "product" });';

  $element -> nodeValue = $piskel_code;

  $head = $dom -> getElementsByTagName( 'head' ) -> item( 0 );
  $head -> appendChild( $element );
}
/* end piksel */

/* meta tagi Facebook */
if ( \Shared\Helpers\Helpers::get( 'product' ) )
{
  $url = preg_replace( '#^(http(s)?://)?w{3}\.#', '$1', $_SERVER[ 'SERVER_NAME' ] );

  $head = $dom -> getElementsByTagName( 'head' ) -> item( 0 );

  $product = ( new \Domain\Product\ProductRepository( $GLOBALS['mdb'] ) )->productDetailsFrontCached( (int)\Shared\Helpers\Helpers::get( 'product' ), $lang_id );
  $product_image = $product[ 'images' ][ 0 ][ 'src' ];
  if ( $product_image and file_exists( substr( $product_image, 1, strlen( $product_image ) ) ) )
  {
    $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
    $node -> setAttribute( 'property', 'og:image' );
    $node -> setAttribute( 'content', 'https://' . $url . $product_image );
  }

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'og:title' );
  $node -> setAttribute( 'content', $product[ 'language' ][ 'name' ] );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'og:description' );
  $node -> setAttribute( 'content', trim( preg_replace( '~[\r\n]+~', ' ', strip_tags( $product[ 'language' ][ 'short_description' ] ) ) ) );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'og:url' );
  $node -> setAttribute( 'content', 'https://' . $url . $_SERVER[ 'REQUEST_URI' ] );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'product:availability' );
  $node -> setAttribute( 'content', 'in stock' );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'product:condition' );
  $node -> setAttribute( 'content', 'new' );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'product:price:amount' );
  $node -> setAttribute( 'content', $product[ 'price_brutto_promo' ] ? \Shared\Helpers\Helpers::normalize_decimal( $product[ 'price_brutto_promo' ] ) : \Shared\Helpers\Helpers::normalize_decimal( $product[ 'price_brutto' ] )  );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'product:price:currency' );
  $node -> setAttribute( 'content', 'PLN' );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'product:retailer_item_id' );
  $node -> setAttribute( 'content', 'produkt-' . $product[ 'id' ] );

  $node = $head -> appendChild( $dom -> createElement( 'meta' ) );
  $node -> setAttribute( 'property', 'product:gtin' );
  $node -> setAttribute( 'content', $product[ 'id' ] );
}
/* end meta tagi Facebook */

foreach ( $remove as $item )
{
  $item -> parentNode -> removeChild( $item );
  if ( strpos( $item -> getAttribute( 'class' ), 'footer' ) !== false )
  {
    $body = $dom -> getElementsByTagName( 'body' ) -> item( 0 );
    $body -> appendChild( $item );
  }
}

$script = $dom -> getElementsByTagName( 'script' );
$remove = [];
foreach ( $script as $item )
{
  if ( $item -> getAttribute( 'class' ) == 'footer' )
    $remove[] = $item;
}

foreach ( $remove as $item )
{
  $item -> parentNode -> removeChild( $item );
  $body = $dom -> getElementsByTagName( 'body' ) -> item( 0 );
  $body -> appendChild( $item );
}

// dodanie specyficznej klasy do body
if ( !empty( $page['class'] ) )
{
  $body = $dom -> getElementsByTagName( 'body' ) -> item( 0 );
  $body -> setAttribute( 'class', $body -> getAttribute( 'class' ) . ' ' . $page['class'] );
}

// konwersja obrazków na webp
if ( $settings['generate_webp'] )
{
  $images = $dom -> getElementsByTagName( 'img' );
  foreach ( $images as $img )
  {
    $img_src = $img -> getAttribute( 'src' );

    if ( $img_src != '' and strpos( $img -> getAttribute( 'class' ), 'nowebp' ) === false )
    {
      if ( strpos( $img_src, '/' ) === 0 )
        $img_src = substr( $img_src, 1, strlen( $img_src ) );

      $img_webp = \Shared\Helpers\Helpers::generate_webp_image( $img_src, 85 );
      if ( $img_webp !== false )
      {
        $img -> setAttribute( 'src', '/' . $img_webp );
        $img -> setAttribute( 'src-nowebp', '/' . $img_src );
      }
    }
  }
}

// lazy loading obrazków
if ( $settings['lazy_loading'] )
{
  $images = $dom -> getElementsByTagName( 'img' );
  foreach ( $images as $img )
  {
    if ( strpos( $img -> getAttribute( 'class' ), 'nolazy' ) === false )
    {
      $img -> setAttribute( 'data-src', $img -> getAttribute( 'src' ) );
      $img -> setAttribute( 'class', $img -> getAttribute( 'class' ) . ' lozad' );
      $img -> removeAttribute( 'src' );
    }
  }
}

$html = $dom -> saveHTML();

if ( file_exists( 'plugins/special-actions-end.php' ) )
  include 'plugins/special-actions-end.php';

echo $html;
?>