<?php

/**
 * @file
 * Danland theme pre-process functions.
 */

use Drupal\Core\Template\Attribute;
use Drupal\file\Entity\File;

/**
 * Implements template_preprocess_html().
 */
function danland_preprocess_html(&$variables) {

  if (!empty($variables['page']['sidebar_first']) && !empty($variables['page']['sidebar_second'])) {
    $variables['attributes']['class'][] = 'two-sidebars';
  }
  elseif (!empty($variables['page']['sidebar_first']) || !empty($variables['page']['sidebar_second'])) {
    $variables['attributes']['class'][] = 'one-sidebar';
  }
  else {
    $variables['attributes']['class'][] = 'no-sidebars';
  }

  if (!empty($variables['page']['sidebar_first']) && empty($variables['page']['sidebar_second'])) {
    $variables['attributes']['class'][] = 'one-sidebar-left';
  }
  elseif (empty($variables['page']['sidebar_first']) && !empty($variables['page']['sidebar_second'])) {
    $variables['attributes']['class'][] = 'one-sidebar-right';
  }

}

/**
 * Implements template_preprocess_page().
 */
function danland_preprocess_page(&$variables) {

  $variables['danland_layout'] = new Attribute();
  $variables['danland_layout']['id'] = [];

  if (!empty($variables['page']['sidebar_first']) && !empty($variables['page']['sidebar_second'])) {
    $variables['danland_layout']['id'][] = 'layout-type-2';
  }
  elseif (!empty($variables['page']['sidebar_first']) || !empty($variables['page']['sidebar_second'])) {
    $variables['danland_layout']['id'][] = 'layout-type-1';
  }

  $preface = (bool) $variables['page']['preface_first'] + (bool) $variables['page']['preface_middle'] + (bool) $variables['page']['preface_last'];
  $variables['danland_preface'] = new Attribute();
  $variables['danland_preface']['class'] = [];
  $variables['danland_preface']['class'][] = 'in' . $preface;

  $bottom_a = (bool) $variables['page']['bottom_first'] + (bool) $variables['page']['bottom_middle'] + (bool) $variables['page']['bottom_last'];
  $variables['danland_bottom_a'] = new Attribute();
  $variables['danland_bottom_a']['class'] = [];
  $variables['danland_bottom_a']['class'][] = 'in' . $bottom_a;

  $bottom_b = (bool) $variables['page']['bottom_1'] + (bool) $variables['page']['bottom_2'] + (bool) $variables['page']['bottom_3'] + (bool) $variables['page']['bottom_4'];
  $variables['danland_bottom_b'] = new Attribute();
  $variables['danland_bottom_b']['class'] = [];
  $variables['danland_bottom_b']['class'][] = 'in' . $bottom_b;

  $mask = '/\.(?:jp[e]?g|gif|png)$/i';
  $files = \Drupal::service('file_system')->scanDirectory(\Drupal::service('extension.list.theme')->getPath('danland') . '/images/slideshows', $mask);
  ksort($files);
  $variables['files'] = $files;
  $variables['slideshow_display'] = theme_get_setting('slideshow_display', 'danland');
  $variables['slide1_url'] = theme_get_setting('slide1_url', 'danland');
  $variables['#attached']['drupalSettings']['stickyHeader'] = theme_get_setting('sticky_header', 'danland');
  // slide1_image.
  $fid = theme_get_setting("slide1_image", "danland");
  if (!empty($fid)) {
    $file = File::load($fid[0]);
    $uri = $file->getFileUri();
    $image_path = \Drupal::service('file_url_generator')->generateAbsoluteString($uri);
  }
  else {
    $image_path = \Drupal::service('extension.list.theme')->getPath('danland') . '/images/slideshows/1.sea.jpg';
  }
  $variables['slide1_image'] = $image_path;
  $variables['slide2_url'] = theme_get_setting('slide2_url', 'danland');
  // slide2_image.
  $fid = theme_get_setting("slide2_image", "danland");
  if (!empty($fid)) {
    $file = File::load($fid[0]);
    $uri = $file->getFileUri();
    $image_path = \Drupal::service('file_url_generator')->generateAbsoluteString($uri);
  }
  else {
    $image_path = \Drupal::service('extension.list.theme')->getPath('danland') . '/images/slideshows/2.noon.jpg';
  }
  $variables['slide2_image'] = $image_path;
  $variables['slide3_url'] = theme_get_setting('slide3_url', 'danland');
  // slide3_image.
  $fid = theme_get_setting("slide3_image", "danland");
  if (!empty($fid)) {
    $file = File::load($fid[0]);
    $uri = $file->getFileUri();
    $image_path = \Drupal::service('file_url_generator')->generateAbsoluteString($uri);
  }
  else {
    $image_path = \Drupal::service('extension.list.theme')->getPath('danland') . '/images/slideshows/3.snow.jpg';
  }
  $variables['slide3_image'] = $image_path;
}

/**
 * Implements template_preprocess_block().
 */
function danland_preprocess_block(&$variables) {
  $variables['attributes']['class'][] = 'block';
  $variables['title_attributes']['class'][] = 'block-title';
}