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<?php

// determine site
$site = isset($site) ? $site : PAGE_ID;
$naviSite = ($site != 0) ? $site : REFERRER_ID;

// include template info file to get block names
require WB_PATH . '/templates/' . TEMPLATE . '/info.php';

global $database;

if (!isset($block)
    || !is_array($block)
    || count($block) < 1
) {
  // load normally if no blocks in template are defined
  ob_start();
  page_content();
  $content = ob_get_clean();
} else {
  $blocks = array_flip($block);

  if (!isset($part)) {
    // take first block
    $blockNr    = 1;
    $blockName  = strtolower($block[1]);
  } else {
    $blockNr = (int)$blocks[$part];

    if (!isset($blockNr)) {
      // give up
      return 'Block "' . strtolower($part) . '" doesn\'t exist!';
    }
 
    $blockName  = strtolower($part);
  }

  // check if local block exists
  $localBlockQuery = $database->query('
    SELECT
      `section_id`, `module`
    FROM
      `' . TABLE_PREFIX . 'sections`
    WHERE
      `block`   = ' . $blockNr . '  AND
      `page_id` = ' . $site . '
    ORDER BY
      `position` ASC
  ');

  ob_start();
  page_content($blockNr);
  $content = ob_get_clean(); 

  if($localBlockQuery->numRows() > 0) {
    ob_start();

    // fetch data
    while ($localBlock = $localBlockQuery->fetchRow()) {
      $sid    = $localBlock['section_id'];
      $module = $localBlock['module'];

      // use SectionPicker droplet to display section
      // echo '[[SectionPicker?sid=' . $sid . ']]';

      $css = '/modules/' . $module . '/frontend.css';
      if (is_readable(WB_PATH . $css)) {
        $search = preg_quote(WB_URL.'/modules/' . $module . '/frontend.css', '/');

        if (preg_match('/<link[^>]*?href\s*=\s*\"' . $search . '\".*?\/>/si', $wb_page_data)) {
          $css = '';
        } else {
          $css = '<link href="' . WB_URL . $css . '" rel="stylesheet" type="text/css" media="screen" />';
        }
      } else {
        $css = '';
      }

      if (isset($section_id)) {
        $oldSid = $section_id; // save old sectionID
      }

      $section_id = $sid;

      echo $css;
      require(WB_PATH . '/modules/' . $module . '/view.php');

      if (isset($oldSid)) {
        $section_id = $oldSid; // restore old sectionID
      }
    }

    $content = ob_get_clean();
  } else if ($localBlockQuery->numRows() < 1 && $content == '') {
    // get link from root parent of the site
    $rootParents = $database->query('
      SELECT
        `p`.`link`
      FROM
        `' . TABLE_PREFIX . 'pages`
      INNER JOIN
      	`' . TABLE_PREFIX . 'pages` as `p`
      	ON `p`.`page_id` = `' . TABLE_PREFIX . 'pages`.`root_parent`
      WHERE
        `' . TABLE_PREFIX . 'pages`.`page_id` = ' . $naviSite . '
    ');

    $rootParent = $rootParents->fetchRow();

    // url to pages
    $address = WB_URL . PAGES_DIRECTORY;

    // try to load language global content block
    $content = @file_get_contents($address . $rootParent['link'] . '/' . $blockName . PAGE_EXTENSION . '?page=' . $site);

    if (!$content) {
      // give up
      return 'No content found for block: <b>' . $blockName . '</b> (site nr. ' . $site . ')';
    }
  }
}

$strip = isset($strip) ? true : false;

if ($strip) {
  // strip all tags
  $content = strip_tags($content);
}

return $content;