fictioneer/includes/functions/_setup-theme.php

<?php

// =============================================================================
// LEGACY CLEANUP
// =============================================================================

/**
 * Clean up obsolete database entries
 *
 * @since 5.6.0
 */

function fictioneer_bring_out_legacy_trash() {
  // Setup
  $options = wp_cache_get( 'alloptions', 'options' );
  $obsolete = ['fictioneer_disable_html_in_comments', 'fictioneer_block_subscribers_from_admin', 'fictioneer_admin_restrict_menus', 'fictioneer_admin_restrict_private_data', 'fictioneer_admin_reduce_subscriber_profile', 'fictioneer_enable_subscriber_self_delete', 'fictioneer_strip_shortcodes_for_non_administrators', 'fictioneer_restrict_media_access', 'fictioneer_subscription_enabled', 'fictioneer_patreon_badge_map', 'fictioneer_patreon_tier_as_badge', 'fictioneer_patreon_campaign_ids', 'fictioneer_patreon_campaign_id', 'fictioneer_mount_wpdiscuz_theme_styles', 'fictioneer_base_site_width', 'fictioneer_featherlight_enabled', 'fictioneer_tts_enabled', 'fictioneer_log', 'fictioneer_enable_ajax_nonce', 'fictioneer_flush_object_cache', 'fictioneer_enable_all_block_styles', 'fictioneer_light_mode_as_default'];

  // Check for most recent obsolete option...
  if ( isset( $options['fictioneer_light_mode_as_default'] ) ) {
    // Looping everything is not great but it only happens once!
    foreach ( $obsolete as $trash ) {
      delete_option( $trash );
    }
  }
}
add_action( 'admin_init', 'fictioneer_bring_out_legacy_trash' );

// =============================================================================
// THEME SETUP
// =============================================================================

/**
 * Sets up theme defaults and registers support for various WordPress features
 *
 * @since 1.0.0
 */

function fictioneer_theme_setup() {
  // Load translations (if any)
  load_theme_textdomain( 'fictioneer', get_template_directory() . '/languages' );

  // Let WordPress handle the title tag
  add_theme_support( 'title-tag' );

  // Activate support for featured images (thumbnails)
  add_theme_support(
    'post-thumbnails',
    array(
      'post',
      'page',
      'fcn_story',
      'fcn_chapter',
      'fcn_recommendation',
      'fcn_collection'
    )
  );

  // Register navigation menus
  register_nav_menu( 'nav_menu', __( 'Navigation' ) );
  register_nav_menu( 'footer_menu', __( 'Footer Menu' ) );

  // Switch core markup to valid HTML5 (except 'comment-form' because WP adds novalidate for some reason)
  add_theme_support(
    'html5',
    array(
      'comment-list',
      'search-form',
      'gallery',
      'caption',
      'style',
      'script'
    )
  );

  // Add support for custom backgrounds (with custom callback)
  add_theme_support( 'custom-background', array( 'wp-head-callback' => 'fictioneer_custom_background' ) );

  // Add support for custom header images
  add_theme_support(
    'custom-header',
    array(
      'flex-width' => true,
      'flex-height' => true,
      'height' => get_theme_mod( 'header_image_height_max', 480 )
    )
  );

  // Add support for editor styles
  add_theme_support( 'editor-styles' );
  add_editor_style( '/css/editor.css' );

  // Add support for custom logo
  add_theme_support(
    'custom-logo',
    array(
      'flex-width' => true,
      'width' => (int) get_theme_mod( 'header_image_height_max', 210 ) * 1.5,
      'flex-height' => true,
      'height' => get_theme_mod( 'header_image_height_max', 210 ),
      'header-text' => ['site-title', 'site-description'],
    )
  );

  // Remove block patterns
  remove_theme_support( 'core-block-patterns' );

  // Disable template editor (automatically added due to theme.json!)
  remove_theme_support( 'block-templates' );

  // Remove widget support...
  if ( get_option( 'fictioneer_disable_all_widgets' ) ) {
    remove_theme_support( 'widgets' );
    remove_theme_support( 'widgets-block-editor' );
  }

  // Add new size for cover images used on story pages
  add_image_size( 'cover', 400 );

  // Add new size for cover snippets used in cards
  add_image_size( 'snippet', 0, 200 );

  // After update actions
  $theme_status = get_option( 'fictioneer_theme_status' );

  if ( empty( $theme_status ) || ( $theme_status['version'] ?? 0 ) !== FICTIONEER_VERSION ) {
    $theme_status = is_array( $theme_status ) ? $theme_status : [];
    $theme_status['version'] = FICTIONEER_VERSION;

    update_option( 'fictioneer_theme_status', $theme_status );

    do_action( 'fictioneer_after_update' );
  }
}
add_action( 'after_setup_theme', 'fictioneer_theme_setup' );

// =============================================================================
// AFTER UPDATE
// =============================================================================

/**
 * Purges selected caches and Transients after update
 *
 * @since 5.12.2
 */

function fictioneer_purge_caches_after_update() {
  // Transients
  fictioneer_delete_transients_like( 'fictioneer_' );

  // Cache busting string
  fictioneer_regenerate_cache_bust();

  // Delete cached files
  $cache_dir = WP_CONTENT_DIR . '/themes/fictioneer/cache/';
  $files = glob( $cache_dir . '*' );

  foreach ( $files as $file ) {
    if ( is_file( $file ) ) {
      unlink( $file );
    }
  }
}
add_action( 'fictioneer_after_update', 'fictioneer_purge_caches_after_update' );

// =============================================================================
// PROTECT META FIELDS
// =============================================================================

/**
 * Removes default custom fields meta box
 *
 * @since 5.8.0
 *
 * @param string $post_type  Post type of the post on Edit Post screen, 'link'
 *                           on Edit Link screen, 'dashboard' on Dashboard screen.
 * @param string $context    Meta box context. Possible values include 'normal',
 *                           'advanced', 'side'.
 */

function fictioneer_remove_custom_fields_meta_boxes( $post_type, $context ) {
  remove_meta_box( 'postcustom', $post_type, $context );
}
add_action( 'do_meta_boxes', 'fictioneer_remove_custom_fields_meta_boxes', 1, 2 );

/**
 * Removes 'custom-fields' support for posts and pages
 *
 * @since 5.8.0
 */

function fictioneer_remove_custom_fields_supports() {
  remove_post_type_support( 'post', 'custom-fields' );
  remove_post_type_support( 'page', 'custom-fields' );
}
add_action( 'init', 'fictioneer_remove_custom_fields_supports' );

/**
 * Makes theme meta fields protected
 *
 * @since 5.8.0
 *
 * @param bool   $protected  Whether the meta key is considered protected.
 * @param string $meta_key   The meta key to check.
 *
 * @return bool True if the meta key is protected, false otherwise.
 */

function fictioneer_make_theme_meta_protected( $protected, $meta_key ) {
  if ( strpos( $meta_key, 'fictioneer_' ) === 0 ) {
    return true;
  }

  return $protected;
}
add_filter( 'is_protected_meta', 'fictioneer_make_theme_meta_protected', 10, 2 );

// =============================================================================
// PROTECT PERMALINKS
// =============================================================================

/**
 * Prevents reserved slugs from being used in permalinks
 *
 * @since 5.8.0
 *
 * @param string $slug  The prospective slug.
 *
 * @return string The filtered slug.
 */

function fictioneer_protect_reserved_post_slugs( $slug ) {
  $protected = [FICTIONEER_OAUTH_ENDPOINT, FICTIONEER_EPUB_ENDPOINT, FICTIONEER_LOGOUT_ENDPOINT, 'fictioneer_sitemap'];

  // Prevent slugs from being applied to posts
  if ( in_array( $slug, $protected ) ) {
    return $slug . '-2';
  }

  // Continue filter
  return $slug;
}
add_filter( 'wp_unique_post_slug', 'fictioneer_protect_reserved_post_slugs' );

// =============================================================================
// CUSTOM BACKGROUND CALLBACK
// =============================================================================

/**
 * Fictioneer version of _custom_background_cb() for custom backgrounds
 *
 * @since 4.7.0
 * @link https://developer.wordpress.org/reference/functions/_custom_background_cb/
 */

function fictioneer_custom_background() {
  // Get background image
  $background = set_url_scheme( get_background_image() );

  // Abort if no background image
  if ( ! $background ) {
    echo '';
    return;
  }

  // Assign background image to property
  $image = 'background-image: url("' . esc_url_raw( $background ) . '");';

  // Background position
  $position_x = get_theme_mod( 'background_position_x' );
  $position_y = get_theme_mod( 'background_position_y' );

  if ( ! in_array( $position_x, ['left', 'center', 'right'], true ) ) {
    $position_x = 'left';
  }

  if ( ! in_array( $position_y, ['top', 'center', 'bottom'], true ) ) {
    $position_y = 'top';
  }

  $position = "background-position: {$position_x} {$position_y};";

  // Background size
  $size = get_theme_mod( 'background_size' );

  if ( ! in_array( $size, ['auto', 'contain', 'cover'], true ) ) {
    $size = 'auto';
  }

  $size = "background-size: {$size};";

  // Background repeat
  $repeat = get_theme_mod( 'background_repeat' );

  if ( ! in_array( $repeat, ['repeat-x', 'repeat-y', 'repeat', 'no-repeat'], true ) ) {
    $repeat = 'repeat';
  }

  $repeat = "background-repeat: {$repeat};";

  // Background scroll
  $attachment = get_theme_mod( 'background_attachment' );

  if ( $attachment !== 'fixed' ) {
    $attachment = 'scroll';
  }

  $attachment = "background-attachment: {$attachment};";

  // Build
  $style = $image . $position . $size . $repeat . $attachment;

  // Output
  echo '<style id="custom-background-css" type="text/css">.custom-background {' . trim( $style ) . '}</style>';
}

// =============================================================================
// MODIFY ALLOWED TAGS
// =============================================================================

/**
 * Update list of allowed tags
 *
 * @since 4.7.0
 *
 * @global array $allowedtags  Array of allowed tags.
 */

function fictioneer_modify_allowed_tags() {
  global $allowedtags;

  $allowedtags['ins'] = array(
    'datetime' => []
  );

  $allowedtags['p'] = [];
  $allowedtags['span'] = [];
  $allowedtags['br'] = [];
}
add_action( 'init', 'fictioneer_modify_allowed_tags', 20 );

// =============================================================================
// HTML ROOT INJECTION
// =============================================================================

/**
 * Injects attributes and classes into the <html> root
 *
 * @since 4.7.0
 */

function fictioneer_root_attributes() {
  global $post;

  // Setup
  $post_author_id = ( $post instanceof WP_Post ) ? $post->post_author : 0;
  $output = [];
  $classes = [];

  if ( is_archive() || is_search() || is_404() ) {
    $post_author_id = 0;
  }

  // Header inset
  if ( get_theme_mod( 'inset_header_image', false ) ) {
    $classes[] = 'inset-header-image';
  }

  // Header style
  $classes[] = 'header-style-' . get_theme_mod( 'header_style', 'default' );

  // Header image style
  if ( get_theme_mod( 'header_image_style', 'default' ) !== 'default' ) {
    $classes[] = 'header-image-style-' . get_theme_mod( 'header_image_style' );
  }

  // Page style
  $page_style = get_theme_mod( 'page_style', 'default' );

  if ( $page_style !== 'default' ) {
    if ( $page_style === 'polygon-mask-image-battered-ringbook' ) {
      $classes[] = 'page-style-polygon-battered';
      $classes[] = 'page-style-mask-image-ringbook';
    } else {
      $classes[] = 'page-style-' . $page_style;
    }

    if ( strpos( $page_style, 'polygon-' ) !== false || strpos( $page_style, 'mask-image-' ) !== false ) {
      $classes[] = 'has-polygon-or-mask';
    }
  }

  // Page shadow
  if ( ! get_theme_mod( 'page_shadow', true ) ) {
    $classes[] = 'no-page-shadow';
  }

  // Prepare
  $output['class'] = implode( ' ', $classes );
  $output['data-mode-default'] = get_option( 'fictioneer_dark_mode_as_default', false ) ? 'dark' : 'light';
  $output['data-site-width-default'] = get_theme_mod( 'site_width', 960 );
  $output['data-theme'] = 'default';
  $output['data-mode'] = $output['data-mode-default'];
  $output['data-font-weight'] = 'default';
  $output['data-primary-font'] = FICTIONEER_PRIMARY_FONT_CSS;

  if ( get_post_type( $post ) === 'fcn_chapter' ) {
    // Also set on the frontend, this is only for customization.
    $formatting = array(
      // 'font-saturation' => 0,
      // 'font-size' => 100,
      // 'letter-spacing' => 0,
      // 'line-height' => 1.7,
      // 'paragraph-spacing' => 1.5,
      // 'indent' => true,
      // 'show-sensitive-content' => true,
      // 'show-chapter-notes' => true,
      // 'justify' => false,
      // 'show-comments' => true,
      // 'show-paragraph-tools' => true
    );

    $formatting = apply_filters( 'fictioneer_filter_chapter_default_formatting', $formatting );

    if ( ! empty( $formatting ) ) {
      $output['data-default-formatting'] = json_encode( $formatting );
    }
  }

  $conditions = array(
    'data-age-confirmation' => get_option( 'fictioneer_enable_site_age_confirmation' ),
    'data-caching-active' => fictioneer_caching_active( 'root_attribute' ),
    'data-ajax-submit' => get_option( 'fictioneer_enable_ajax_comment_submit', false ),
    'data-force-child-theme' => ! FICTIONEER_THEME_SWITCH,
    'data-public-caching' => get_option( 'fictioneer_enable_public_cache_compatibility', false ),
    'data-ajax-auth' => get_option( 'fictioneer_enable_ajax_authentication', false ),
    'data-edit-time' => get_option( 'fictioneer_enable_user_comment_editing', false ) ?
      get_option( 'fictioneer_user_comment_edit_time', 15 ) : false,
  );

  // Iterate conditions and add the truthy to the output
  foreach ( $conditions as $key => $condition ) {
    if ( $condition ) {
      $output[ $key ] = is_bool( $condition ) ? '1' : $condition;
    }
  }

  // Fingerprint
  if ( $post_author_id ) {
    $output['data-author-fingerprint'] = fictioneer_get_user_fingerprint( $post_author_id );
  }

  // Filter output
  $output = apply_filters( 'fictioneer_filter_root_attributes', $output );

  // Output
  foreach ( $output as $key => $value ) {
    echo "{$key}='" . esc_attr( $value ) . "' ";
  }
}

// =============================================================================
// ADD BODY CLASSES
// =============================================================================

/**
 * Add additional classes to the frontend <body>
 *
 * @since 5.0.0
 *
 * @param array $classes  Current body classes.
 *
 * @return array The updated body classes.
 */

function fictioneer_add_classes_to_body( $classes ) {
  // Setup
  $user = wp_get_current_user();
  $includes = [];

  // Mobile menu
  if ( get_theme_mod( 'mobile_menu_style', 'minimize_to_right' ) === 'minimize_to_right' ) {
    $classes[] = 'advanced-mobile-menu';
  }

  // Roles
  if ( $user->ID > 0 && ! get_option( 'fictioneer_enable_public_cache_compatibility' ) ) {
    $includes['is-admin'] = fictioneer_is_admin( $user->ID );
    $includes['is-moderator'] = fictioneer_is_moderator( $user->ID );
    $includes['is-author'] = fictioneer_is_author( $user->ID );
    $includes['is-editor'] = fictioneer_is_editor( $user->ID );
  }

  // Browsers
  if ( ! fictioneer_caching_active( 'devise_body_classes' ) ) {
    $includes['is-iphone'] = $GLOBALS['is_iphone'];
    $includes['is-chrome'] = $GLOBALS['is_chrome'];
    $includes['is-safari'] = $GLOBALS['is_safari'];
    $includes['is-opera'] = $GLOBALS['is_opera'];
    $includes['is-gecko'] = $GLOBALS['is_gecko'];
    $includes['is-lynx'] = $GLOBALS['is_lynx'];
    $includes['is-ie'] = $GLOBALS['is_IE'];
    $includes['is-edge'] = $GLOBALS['is_edge'];
  }

  // Add classes to defaults
  foreach ( $includes as $class => $test )  {
    if ( $test ) {
      $classes[ $class ] = $class;
    }
  }

  // Customizations and settings
  if ( get_theme_mod( 'content_list_style', 'default' ) !== 'default' ) {
    $classes[] = 'content-list-style-' . get_theme_mod( 'content_list_style' );
  }

  // Continue filter
  return $classes;
}

if ( ! is_admin() ) {
  add_filter( 'body_class', 'fictioneer_add_classes_to_body' );
}

/**
 * Add additional classes to the admin <body>
 *
 * @since 5.0.0
 *
 * @param string $classes  Current body classes separated by whitespace.
 *
 * @return string The updated body classes.
 */

function fictioneer_add_classes_to_admin_body( $classes ) {
  // Setup
  $user = wp_get_current_user();
  $includes = [];

  // Classes
  $includes['is-admin'] = fictioneer_is_admin( $user->ID );
  $includes['is-moderator'] = fictioneer_is_moderator( $user->ID );
  $includes['is-author'] = fictioneer_is_author( $user->ID );
  $includes['is-editor'] = fictioneer_is_editor( $user->ID );

  // Add classes to defaults
  if ( array_intersect( ['subscriber'], $user->roles ) ) {
    $classes .= ' is-subscriber';
  } else {
    foreach ( $includes as $class => $test )  {
      if ( $test ) {
        $classes .= " $class";
      }
    }
  }

  // Continue filter
  return $classes;
}
add_filter( 'admin_body_class', 'fictioneer_add_classes_to_admin_body' );

// =============================================================================
// CACHE BUSTING
// =============================================================================

/**
 * Returns saved random cache busting string
 *
 * @since 5.12.5
 *
 * @return string Cache busting string.
 */

function fictioneer_get_cache_bust() {
  $cache_bust = get_option( 'fictioneer_cache_bust' );

  if ( empty( $cache_bust ) ) {
    $cache_bust = fictioneer_regenerate_cache_bust();
  }

  return $cache_bust;
}

/**
 * Regenerate cache busting string
 *
 * @since 5.12.5
 */

function fictioneer_regenerate_cache_bust() {
  $cache_bust = time();

  update_option( 'fictioneer_cache_bust', $cache_bust, '', true );

  return $cache_bust;
}
add_action( 'customize_save_after', 'fictioneer_regenerate_cache_bust' );

// =============================================================================
// ENQUEUE STYLESHEETS
// =============================================================================

/**
 * Enqueues stylesheets
 *
 * @since 1.0.0
 * @since 4.7.0 - Split stylesheets into separate concerns.
 */

function fictioneer_style_queue() {
  // Setup
  $cache_bust = fictioneer_get_cache_bust();

  // Either load separate small style files on demand or the complete one
  if ( ! get_option( 'fictioneer_bundle_stylesheets' ) ) {
    // Setup
    $post_type = get_post_type();
    $template_slug = get_page_template_slug();
    $application_dependencies = [];

    // Properties
    if ( ! get_option( 'fictioneer_disable_properties' ) ) {
      wp_enqueue_style(
        'fictioneer-properties',
        get_template_directory_uri() . '/css/properties.css',
        [],
        $cache_bust
      );
      $application_dependencies[] = 'fictioneer-properties';
    }

    // Application
    wp_enqueue_style(
      'fictioneer-application',
      get_template_directory_uri() . '/css/application.css',
      $application_dependencies,
      $cache_bust
    );

    // If NOT an archive or search page...
    if ( ! is_search() && ! is_archive() ) {
      // Collections
      if ( is_page_template( 'stories.php' ) || $post_type == 'fcn_collection' ) {
        wp_enqueue_style(
          'fictioneer-collections',
          get_template_directory_uri() . '/css/collections.css',
          ['fictioneer-application'],
          $cache_bust
        );
      }

      // Chapter
      if ( $post_type == 'fcn_chapter' ) {
        wp_enqueue_style(
          'fictioneer-chapter',
          get_template_directory_uri() . '/css/chapter.css',
          ['fictioneer-application'],
          $cache_bust
        );
      }

      // Story
      if ( $post_type == 'fcn_story' || is_page_template( 'singular-story.php' ) ) {
        wp_enqueue_style(
          'fictioneer-story',
          get_template_directory_uri() . '/css/story.css',
          ['fictioneer-application'],
          $cache_bust
        );
      }

      // Recommendation
      if ( $post_type == 'fcn_recommendation' ) {
        wp_enqueue_style(
          'fictioneer-recommendation',
          get_template_directory_uri() . '/css/recommendation.css',
          ['fictioneer-application'],
          $cache_bust
        );
      }

      // Comments
      if (
        $post_type == 'fcn_story' ||
        $template_slug === 'user-profile.php' ||
        comments_open() ||
        is_page_template( 'singular-story.php' )
      ) {
        wp_enqueue_style(
          'fictioneer-comments',
          get_template_directory_uri() . '/css/comments.css',
          ['fictioneer-application'],
          $cache_bust
        );
      }
    }

    // Archive
    if ( is_archive() ) {
      wp_enqueue_style(
        'fictioneer-archive',
        get_template_directory_uri() . '/css/taxonomies.css',
        ['fictioneer-application'],
        $cache_bust
      );
    }
  } else {
    // Complete
    wp_enqueue_style(
      'fictioneer-complete',
      get_template_directory_uri() . '/css/complete.css',
      [],
      $cache_bust
    );
  }
}
add_action( 'wp_enqueue_scripts', 'fictioneer_style_queue' );

// =============================================================================
// ENQUEUE CUSTOMIZE CSS
// =============================================================================

/**
 * Enqueues customize stylesheets <head> meta
 *
 * @since 5.11.0
 */

function fictioneer_output_customize_css() {
  // Setup
  $file_path = WP_CONTENT_DIR . '/themes/fictioneer/cache/customize.css';
  $last_built_timestamp = get_option( 'fictioneer_customize_css_timestamp', '123456789' );

  // Create file if it does not exist
  if ( ! file_exists( $file_path ) ) {
    fictioneer_build_customize_css();
  }

  // Output customize stylesheet...
  if ( file_exists( $file_path ) ) {
    wp_enqueue_style(
      'fictioneer-customize',
      get_template_directory_uri() . "/cache/customize.css?timestamp={$last_built_timestamp}",
      get_option( 'fictioneer_bundle_stylesheets' ) ? ['fictioneer-complete'] : ['fictioneer-application'],
      fictioneer_get_cache_bust()
    );
  }
}

if ( ! is_customize_preview() ) {
  add_action( 'wp_enqueue_scripts', 'fictioneer_output_customize_css', 9999 );
}

/**
 * Enqueues preview customize stylesheets <head> meta
 *
 * @since 5.11.0
 */

function fictioneer_output_customize_preview_css() {
  // Setup
  $file_path = WP_CONTENT_DIR . '/themes/fictioneer/cache/customize-preview.css';

  // Create file if it does not exist
  fictioneer_build_customize_css( 'preview' );

  // Output customize stylesheet...
  if ( file_exists( $file_path ) ) {
    wp_enqueue_style(
      'fictioneer-customize',
      get_template_directory_uri() . "/cache/customize-preview.css?timestamp=" . time(),
      ['fictioneer-application'],
      fictioneer_get_cache_bust()
    );
  }
}

if ( is_customize_preview() ) {
  add_action( 'wp_enqueue_scripts', 'fictioneer_output_customize_preview_css', 9999 );
}

// =============================================================================
// ENQUEUE OVERRIDE STYLESHEETS
// =============================================================================

/**
 * Enqueues an "override" stylesheet that supersedes all others
 *
 * @since 2.0.0
 */

function fictioneer_style_footer_queue() {
  wp_enqueue_style( 'override', get_template_directory_uri() . '/css/override.css' );
}
add_action( 'get_footer', 'fictioneer_style_footer_queue' );

// =============================================================================
// FONT AWESOME
// =============================================================================

if ( ! function_exists( 'fictioneer_add_font_awesome_integrity' ) ) {
  /**
   * Enqueue Font Awesome
   *
   * @since 5.7.6
   * @link https://fontawesome.com/docs/web/use-with/wordpress/install-manually
   *
   * @param string $tag     The link tag for the enqueued style.
   * @param string $handle  The style's registered handle.
   *
   * @return string The modified link tag.
   */

  function fictioneer_add_font_awesome_integrity( $tag, $handle ) {
    // Abort conditions...
    if ( empty( FICTIONEER_FA_INTEGRITY ) ) {
      return $tag;
    }

    // Modify HTML
    if ( $handle === 'font-awesome-cdn-webfont-fictioneer' ) {
      $tag = preg_replace( '/\/>$/', 'integrity="' . FICTIONEER_FA_INTEGRITY . '" crossorigin="anonymous" />', $tag, 1 );
    }

    // Continue filter
    return $tag;
  }
}

if ( ! function_exists( 'fictioneer_add_font_awesome' ) ) {
  /**
   * Enqueue Font Awesome
   *
   * @since 5.7.6
   * @link https://fontawesome.com/docs/web/use-with/wordpress/install-manually
   */

  function fictioneer_add_font_awesome() {
    // Abort conditions...
    if ( empty( FICTIONEER_FA_CDN ) ) {
      return;
    }

    // Setup
    $actions = ['wp_enqueue_scripts', 'admin_enqueue_scripts', 'login_enqueue_scripts'];

    // Actions
    foreach ( $actions as $action ) {
      add_action(
        $action,
        function() {
          wp_enqueue_style( 'font-awesome-cdn-webfont-fictioneer', FICTIONEER_FA_CDN, [], null );
        }
      );
    }

    // Filters
    add_filter( 'style_loader_tag', 'fictioneer_add_font_awesome_integrity', 10, 2 );
  }

  // Initialize
  if ( ! get_option( 'fictioneer_disable_font_awesome' ) ) {
    fictioneer_add_font_awesome();
  }
}

// =============================================================================
// ENQUEUE SCRIPTS
// =============================================================================

/**
 * Build dynamic script file
 *
 * @since 5.12.2
 */

function fictioneer_build_dynamic_scripts() {
  // --- Setup -----------------------------------------------------------------

  $file_path = WP_CONTENT_DIR . '/themes/fictioneer/cache/dynamic-scripts.js';
  $last_version = get_transient( 'fictioneer_dynamic_scripts_version' );
  $scripts = '';

  // Rebuild necessary?
  if ( file_exists( $file_path ) && $last_version === FICTIONEER_VERSION ) {
    return;
  }

  // Make sure directory exists
  if ( ! file_exists( dirname( $file_path ) ) ) {
    mkdir( dirname( $file_path ), 0755, true );
  }

  // --- AJAX Settings ---------------------------------------------------------

  $scripts .= "var fictioneer_ajax = " . json_encode( array(
    'ajax_url' => admin_url( 'admin-ajax.php' ),
    'rest_url' => get_rest_url( null, 'fictioneer/v1/' ),
    'ttl' => FICTIONEER_AJAX_TTL,
    'login_ttl' => FICTIONEER_AJAX_LOGIN_TTL,
    'post_debounce_rate' => FICTIONEER_AJAX_POST_DEBOUNCE_RATE
  )) . ";";

  // --- Removable query args --------------------------------------------------

  $removable_query_args = ['success', 'failure', 'fictioneer_nonce', 'fictioneer-notice'];
  $removable_query_args = apply_filters( 'fictioneer_filter_removable_query_args', $removable_query_args );

  $scripts .=
    "function fcn_removeQueryArgs(){history.replaceState && history.replaceState(null, '', location.pathname + location.search.replace(/[?&](" . implode( '|', $removable_query_args ) . ")=[^&]+/g, '').replace(/^[?&]/, '?') + location.hash);}";

  // --- Fonts -----------------------------------------------------------------

  $scripts .= "var fictioneer_fonts = " . json_encode( fictioneer_get_fonts() ) . ";";

  // --- Colors ----------------------------------------------------------------

  $scripts .= "var fictioneer_font_colors = " . json_encode( fictioneer_get_font_colors() ) . ";";

  // --- Comments --------------------------------------------------------------

  $scripts .= "var fictioneer_comments = " . json_encode( array(
    'form_selector' => get_option( 'fictioneer_comment_form_selector', '#comment' ) ?: '#comment'
  )) . ";";

  // --- Save ------------------------------------------------------------------

  set_transient( 'fictioneer_dynamic_scripts_version', FICTIONEER_VERSION );
  file_put_contents( $file_path, $scripts );
}

/**
 * Enqueue scripts
 *
 * @since 1.0.0
 * @since 4.7.0 - Split scripts and made enqueuing depending on options.
 * @since 5.12.2 - Added defer loading strategy; added dynamic script file.
 */

function fictioneer_add_custom_scripts() {
  // Setup
  $post_type = get_post_type();
  $cache_bust = fictioneer_get_cache_bust();
  $password_required = post_password_required();
  $strategy = fictioneer_compare_wp_version( '6.3' ) && FICTIONEER_DEFER_SCRIPTS
    ? array( 'strategy'  => 'defer' ) : true; // Defer or load in footer

  // Dynamic scripts
  fictioneer_build_dynamic_scripts();

  wp_register_script( 'fictioneer-dynamic-scripts', get_template_directory_uri() . '/cache/dynamic-scripts.js', [], $cache_bust, $strategy );

  // Register and enqueue single scripts or complete script
  if ( ! get_option( 'fictioneer_bundle_scripts' ) ) {
    // Utility
    wp_register_script( 'fictioneer-utility-scripts', get_template_directory_uri() . '/js/utility.min.js', ['fictioneer-dynamic-scripts'], $cache_bust, $strategy );

    // Application
    wp_register_script( 'fictioneer-application-scripts', get_template_directory_uri() . '/js/application.min.js', [ 'fictioneer-utility-scripts', 'fictioneer-dynamic-scripts'], $cache_bust, $strategy );

    // Lightbox
    if ( get_option( 'fictioneer_enable_lightbox' ) ) {
      wp_enqueue_script( 'fictioneer-lightbox', get_template_directory_uri() . '/js/lightbox.min.js', ['fictioneer-application-scripts'], $cache_bust, $strategy );
    }

    // Mobile menu
    wp_register_script( 'fictioneer-mobile-menu-scripts', get_template_directory_uri() . '/js/mobile-menu.min.js', [ 'fictioneer-application-scripts'], $cache_bust, $strategy );

    // Consent
    wp_register_script( 'fictioneer-consent-scripts', get_template_directory_uri() . '/js/laws.min.js', [ 'fictioneer-application-scripts'], $cache_bust, $strategy );

    // Chapter
    wp_register_script( 'fictioneer-chapter-scripts', get_template_directory_uri() . '/js/chapter.min.js', [ 'fictioneer-application-scripts'], $cache_bust, $strategy );

    // Diff-Match-Patch
    wp_register_script( 'fictioneer-dmp', get_template_directory_uri() . '/js/diff-match-patch.js', [ 'fictioneer-chapter-scripts'], $cache_bust, $strategy );

    // Suggestions
    wp_register_script( 'fictioneer-suggestion-scripts', get_template_directory_uri() . '/js/suggestion.min.js', [ 'fictioneer-chapter-scripts', 'fictioneer-dmp'], $cache_bust, $strategy );

    // Text-To-Speech
    wp_register_script( 'fictioneer-tts-scripts', get_template_directory_uri() . '/js/tts.min.js', [ 'fictioneer-chapter-scripts'], $cache_bust, $strategy );

    // Story
    wp_register_script( 'fictioneer-story-scripts', get_template_directory_uri() . '/js/story.min.js', [ 'fictioneer-application-scripts'], $cache_bust, $strategy );

    // User
    wp_register_script( 'fictioneer-user-scripts', get_template_directory_uri() . '/js/user.min.js', [ 'fictioneer-application-scripts'], $cache_bust, $strategy );

    // User Profile
    wp_register_script( 'fictioneer-user-profile-scripts', get_template_directory_uri() . '/js/user-profile.min.js', [ 'fictioneer-application-scripts', 'fictioneer-user-scripts'], $cache_bust, $strategy );

    // Bookmarks
    wp_register_script( 'fictioneer-bookmarks-scripts', get_template_directory_uri() . '/js/bookmarks.min.js', [ 'fictioneer-application-scripts', 'fictioneer-user-scripts'], $cache_bust, $strategy );

    // Follows
    wp_register_script( 'fictioneer-follows-scripts', get_template_directory_uri() . '/js/follows.min.js', [ 'fictioneer-application-scripts', 'fictioneer-user-scripts'], $cache_bust, $strategy );

    // Checkmarks
    wp_register_script( 'fictioneer-checkmarks-scripts', get_template_directory_uri() . '/js/checkmarks.min.js', [ 'fictioneer-application-scripts', 'fictioneer-user-scripts'], $cache_bust, $strategy );

    // Reminders
    wp_register_script( 'fictioneer-reminders-scripts', get_template_directory_uri() . '/js/reminders.min.js', [ 'fictioneer-application-scripts', 'fictioneer-user-scripts'], $cache_bust, $strategy );

    // Comments
    wp_register_script( 'fictioneer-comments-scripts', get_template_directory_uri() . '/js/comments.min.js', [ 'fictioneer-application-scripts'], $cache_bust, $strategy );

    // AJAX Comments
    wp_register_script( 'fictioneer-ajax-comments-scripts', get_template_directory_uri() . '/js/ajax-comments.min.js', [ 'fictioneer-comments-scripts'], $cache_bust, $strategy );

    // AJAX Bookshelf
    wp_register_script( 'fictioneer-ajax-bookshelf-scripts', get_template_directory_uri() . '/js/ajax-bookshelf.min.js', [ 'fictioneer-application-scripts'], $cache_bust, $strategy );

    // Enqueue utility
    wp_enqueue_script( 'fictioneer-utility-scripts' );

    // Enqueue application
    wp_enqueue_script( 'fictioneer-application-scripts' );

    // Enqueue mobile menu
    wp_enqueue_script( 'fictioneer-mobile-menu-scripts' );

    // Enqueue consent
    if ( get_option( 'fictioneer_cookie_banner' ) ) {
      wp_enqueue_script( 'fictioneer-consent-scripts' );
    }

    // Enqueue chapter
    if ( $post_type == 'fcn_chapter' && ! is_archive() && ! is_search() ) {
      wp_enqueue_script( 'fictioneer-chapter-scripts' );
    }

    // Enqueue Diff-Match-Patch + suggestions
    if (
      $post_type == 'fcn_chapter' &&
      get_option( 'fictioneer_enable_suggestions' ) &&
      ! is_archive() &&
      ! is_search() &&
      ! $password_required &&
      ! get_post_meta( get_the_ID(), 'fictioneer_disable_commenting', true ) &&
      comments_open()
    ) {
      wp_enqueue_script( 'fictioneer-dmp' );
      wp_enqueue_script( 'fictioneer-suggestion-scripts' );
    }

    // Enqueue TTS
    if (
      $post_type == 'fcn_chapter' &&
      get_option( 'fictioneer_enable_tts' ) &&
      ! is_archive() &&
      ! is_search() &&
      ! $password_required
    ) {
      wp_enqueue_script( 'fictioneer-tts-scripts' );
    }

    // Enqueue story
    if ( ( $post_type == 'fcn_story' || is_page_template( 'singular-story.php' ) ) && ! is_archive() && ! is_search() ) {
      wp_enqueue_script( 'fictioneer-story-scripts' );
    }

    // Enqueue users + user profile + follows + checkmarks + reminders
    if ( is_user_logged_in() || get_option( 'fictioneer_enable_ajax_authentication' ) ) {
      wp_enqueue_script( 'fictioneer-user-scripts' );

      if ( get_option( 'fictioneer_enable_checkmarks' ) ) {
        wp_enqueue_script( 'fictioneer-checkmarks-scripts' );
      }

      if ( get_option( 'fictioneer_enable_reminders' ) ) {
        wp_enqueue_script( 'fictioneer-reminders-scripts' );
      }

      if ( get_option( 'fictioneer_enable_follows' ) ) {
        wp_enqueue_script( 'fictioneer-follows-scripts' );
      }

      if ( is_page_template( 'user-profile.php' ) ) {
        wp_enqueue_script( 'fictioneer-user-profile-scripts' );
      }
    }

    // Enqueue bookmarks
    if ( get_option( 'fictioneer_enable_bookmarks' ) ) {
      wp_enqueue_script( 'fictioneer-bookmarks-scripts' );
    }

    // Enqueue comments
    if ( is_singular() && comments_open() ) {
      wp_enqueue_script( 'fictioneer-comments-scripts' );

      if ( get_option( 'fictioneer_enable_ajax_comments' ) ) {
        wp_enqueue_script( 'fictioneer-ajax-comments-scripts' );
      }
    }

    // Enqueue bookshelf
    if ( is_page_template( 'singular-bookshelf-ajax.php' ) ) {
      wp_enqueue_script( 'fictioneer-ajax-bookshelf-scripts' );
    }
  } else {
    // Complete
    wp_enqueue_script( 'fictioneer-complete-scripts', get_template_directory_uri() . '/js/complete.min.js', ['fictioneer-dynamic-scripts'], $cache_bust, $strategy );
  }

  // Enqueue WordPress comment-reply
  if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
    wp_enqueue_script( 'comment-reply' );
  }

  // DEV Utilities
  if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
    wp_register_script( 'fictioneer-dev-scripts', get_template_directory_uri() . '/js/dev-tools.min.js', [], $cache_bust, $strategy );
    wp_enqueue_script( 'fictioneer-dev-scripts' );
  }
}
add_action( 'wp_enqueue_scripts', 'fictioneer_add_custom_scripts' );

/**
 * Enqueue block editor scripts
 *
 * @since 5.6.0
 */

function fictioneer_enqueue_block_editor_scripts() {
  $current_user = wp_get_current_user();

  wp_register_script(
    'fictioneer-block-editor-scripts',
    get_template_directory_uri() . '/js/block-editor.min.js',
    ['wp-dom-ready', 'wp-edit-post', 'wp-blocks', 'wp-element', 'wp-components', 'wp-editor', 'wp-data', 'jquery'],
    fictioneer_get_cache_bust(),
    true
  );

  wp_enqueue_script( 'fictioneer-block-editor-scripts' );

  wp_localize_script( 'fictioneer-block-editor-scripts', 'fictioneerData', array(
    'userCapabilities' => $current_user->allcaps
  ));
}
add_action( 'enqueue_block_editor_assets', 'fictioneer_enqueue_block_editor_scripts' );

/**
 * Enqueue customizer scripts
 *
 * @since 5.12.0
 */

function fictioneer_enqueue_customizer_scripts() {
  wp_enqueue_script(
    'fictioneer-customizer-scripts',
    get_template_directory_uri() . '/js/customizer.min.js',
    ['jquery', 'customize-preview'],
    fictioneer_get_cache_bust(),
    true
  );

  wp_localize_script( 'fictioneer-customizer-scripts', 'fictioneerData', array(
    'confirmationDialog' => __( 'Are you sure?', 'fictioneer' )
  ));
}
add_action( 'customize_controls_enqueue_scripts', 'fictioneer_enqueue_customizer_scripts' );

/**
 * Add nonce for Customizer actions
 *
 * @since 5.12.0
 *
 * @param array $nonces  Array of refreshed nonces for save and preview actions.
 *
 * @return array Updated array of nonces.
 */

function fictioneer_add_customizer_refresh_nonces( $nonces ) {
  $nonces['fictioneer-reset-colors'] = wp_create_nonce( 'fictioneer-reset-colors' );

  return $nonces;
}
add_filter( 'customize_refresh_nonces', 'fictioneer_add_customizer_refresh_nonces' );

// =============================================================================
// ADD SCRIPTS TO LOGIN HEAD
// =============================================================================

/**
 * Print scripts to the wp-login-php
 *
 * @since 5.7.3
 */

function fictioneer_wp_login_scripts() {
  // Clear web storage in preparation of login
  echo "<script type='text/javascript' data-no-optimize='1' data-no-defer='1' data-no-minify='1'>localStorage.removeItem('fcnUserData'); localStorage.removeItem('fcnAuth');</script>";
}
add_action( 'login_head', 'fictioneer_wp_login_scripts' );

// =============================================================================
// DISABLE JQUERY MIGRATE
// =============================================================================

/**
 * Removed the jQuery migrate script
 *
 * @since 5.0.0
 *
 * @param object $scripts  The loaded scripts.
 */

function fictioneer_remove_jquery_migrate( $scripts ) {
  // Abort if...
  if ( ! isset( $scripts->registered['jquery'] ) ) {
    return;
  }

  // Setup
  $script = $scripts->registered['jquery'];

  // Remove migrate script
  if ( $script->deps ) {
    $script->deps = array_diff( $script->deps, array( 'jquery-migrate' ) );
  }
}

if ( ! is_admin() && ! get_option( 'fictioneer_enable_jquery_migrate' ) ) {
  add_action( 'wp_default_scripts', 'fictioneer_remove_jquery_migrate' );
}

// =============================================================================
// AUTOPTIMIZE CONFIGURATION
// =============================================================================

/**
 * Exclude stylesheets from Autoptimize (if installed)
 *
 * @since 4.0.0
 * @link https://github.com/wp-plugins/autoptimize
 *
 * @param string $exclude  List of current excludes.
 *
 * @return string The updated exclusion string.
 */

function fictioneer_ao_exclude_css( $exclude ) {
  return $exclude . ', fonts-base.css, fonts-full.css, bundled-fonts.css';
}
add_filter( 'autoptimize_filter_css_exclude', 'fictioneer_ao_exclude_css', 10, 1 );

// =============================================================================
// OUTPUT HEAD FONTS
// =============================================================================

if ( ! function_exists( 'fictioneer_output_critical_fonts' ) ) {
  /**
   * Output critical path fonts in <head>
   *
   * Critical fonts that need to be loaded as fast as possible and are
   * therefore inlined in the <head>.
   *
   * @since 5.0.0
   */

  function fictioneer_output_critical_fonts() {
    // Setup
    $primary_font = get_theme_mod( 'primary_font_family_value', 'Open Sans' );
    $uri = get_template_directory_uri() . '/fonts/';

    // Currently, only Open Sans is supported
    if ( $primary_font !== 'Open Sans' ) {
      return;
    }

    // Start HTML ---> ?>
    <style id="inline-fonts" type="text/css" data-no-optimize="1" data-no-defer="1" data-no-minify="1">@font-face{font-display:swap;font-family:"Open Sans";font-style:normal;font-weight:300;src:local("OpenSans-Light"),url("<?php echo $uri; ?>open-sans/open-sans-v40-300.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:italic;font-weight:300;src:local("OpenSans-LightItalic"),url("<?php echo $uri; ?>open-sans/open-sans-v40-300italic.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:normal;font-weight:400;src:local("OpenSans-Regular"),url("<?php echo $uri; ?>open-sans/open-sans-v40-regular.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:italic;font-weight:400;src:local("OpenSans-Italic"),url("<?php echo $uri; ?>open-sans/open-sans-v40-italic.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:normal;font-weight:500;src:local("OpenSans-Medium"),url("<?php echo $uri; ?>open-sans/open-sans-v40-500.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:italic;font-weight:500;src:local("OpenSans-MediumItalic"),url("<?php echo $uri; ?>open-sans/open-sans-v40-500italic.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:normal;font-weight:600;src:local("OpenSans-SemiBold"),url("<?php echo $uri; ?>open-sans/open-sans-v40-600.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:italic;font-weight:600;src:local("OpenSans-SemiBoldItalic"),url("<?php echo $uri; ?>open-sans/open-sans-v40-600italic.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:normal;font-weight:700;src:local("OpenSans-Bold"),url("<?php echo $uri; ?>open-sans/open-sans-v40-700.woff2") format("woff2")}@font-face{font-display:swap;font-family:"Open Sans";font-style:italic;font-weight:700;src:local("OpenSans-BoldItalic"),url("<?php echo $uri; ?>open-sans/open-sans-v40-700italic.woff2") format("woff2")}</style>
    <?php // <--- End HTML
  }
}

// =============================================================================
// OUTPUT HEAD META
// =============================================================================

/**
 * Output HTML <head> meta
 *
 * @since 5.0.0
 * @since 5.10.0 - Split up for font manager.
 * @since 5.18.1 - No longer pluggable, hooked into wp_head
 */

function fictioneer_output_head_meta() {
  // Start HTML ---> ?>
  <meta charset="<?php echo get_bloginfo( 'charset' ); ?>">
  <meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=5.0, viewport-fit=cover">
  <meta name="format-detection" content="telephone=no">
  <meta name="theme-color" content="<?php echo '#' . get_background_color(); ?>">
  <meta name="referrer" content="strict-origin-when-cross-origin">
  <?php // <--- End HTML
}
add_action( 'wp_head', 'fictioneer_output_head_meta', 1 );

// =============================================================================
// OUTPUT HEAD FONTS
// =============================================================================

if ( ! function_exists( 'fictioneer_output_head_fonts' ) ) {
  /**
   * Output font stylesheets <head> meta
   *
   * Note: This function should be kept pluggable due to legacy reasons.
   *
   * @since 5.10.0
   */

  function fictioneer_output_head_fonts() {
    // Critical path fonts
    fictioneer_output_critical_fonts();

    // Setup
    $bundled_fonts = WP_CONTENT_DIR . '/themes/fictioneer/cache/bundled-fonts.css';
    $last_built_timestamp = get_option( 'fictioneer_bundled_fonts_timestamp', '123456789' );
    $cache_bust = "?timestamp={$last_built_timestamp}";
    $loading_pattern = fictioneer_get_async_css_loading_pattern();

    // Create file if it does not exist
    if ( ! file_exists( $bundled_fonts ) ) {
      fictioneer_build_bundled_fonts();
    }

    // Output font stylesheets...
    if ( file_exists( $bundled_fonts ) ) {
      // ... base and custom
      $custom_fonts_href = get_template_directory_uri() . '/cache/bundled-fonts.css' . $cache_bust;

      // Start HTML ---> ?>
      <link rel="stylesheet" id="bundled-fonts-stylesheet" href="<?php echo $custom_fonts_href; ?>" data-no-optimize="1" data-no-minify="1" <?php echo $loading_pattern; ?>>
      <noscript><link rel="stylesheet" href="<?php echo $custom_fonts_href; ?>"></noscript>
      <?php // <--- End HTML
    } else {
      // ... all theme fonts if something goes wrong
      $full_fonts_href = get_template_directory_uri() . '/css/fonts-full.css' . $cache_bust;

      // Start HTML ---> ?>
      <link rel="stylesheet" href="<?php echo $full_fonts_href; ?>" data-no-optimize="1" data-no-minify="1" <?php echo $loading_pattern; ?>>
      <noscript><link rel="stylesheet" href="<?php echo $full_fonts_href; ?>"></noscript>
      <?php // <--- End HTML
    }

    // Output Google Fonts links (if any)
    $google_fonts_links = get_option( 'fictioneer_google_fonts_links' );

    if ( ! empty( $google_fonts_links ) ) {
      $google_fonts_links = explode( "\n", $google_fonts_links );

      // Start HTML ---> ?>
      <link rel="preconnect" href="https://fonts.googleapis.com">
      <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
      <?php // <--- End HTML

      foreach ( $google_fonts_links as $link ) {
        printf( '<link href="%s" rel="stylesheet">', $link );
      }
    }
  }
}
add_action( 'wp_head', 'fictioneer_output_head_fonts', 5 );
add_action( 'admin_head', 'fictioneer_output_head_fonts', 5 );

// =============================================================================
// OUTPUT HEAD CRITICAL SCRIPTS
// =============================================================================

/**
 * Output critical path scripts in <head>
 *
 * Critical path scripts executed in the <head> before the rest of the DOM
 * is loaded. This is necessary for the light/dark switch and site settings
 * to work without causing color flickering or layout shifts. This is achieved
 * by adding configuration classes directly into the <html> root node, which
 * is the only one available at this point.
 *
 * @since 5.0.0
 * @since 5.18.1 - No longer pluggable, hooked into wp_head
 */

function fictioneer_output_head_critical_scripts() {
  // Start HTML ---> ?>
  <script id="fictioneer-critical-scripts" data-no-optimize="1" data-no-defer="1" data-no-minify="1">!function(){if("undefined"!=typeof localStorage){const e=localStorage.getItem("fcnLightmode"),t=document.documentElement;let a,o=localStorage.getItem("fcnSiteSettings");if(o&&(o=JSON.parse(o))&&null!==o&&"object"==typeof o){Object.entries(o).forEach((([e,r])=>{switch(e){case"minimal":t.classList.toggle("minimal",r);break;case"darken":a=r>=0?1+r**2:1-r**2,t.style.setProperty("--darken",`(${a} + var(--lightness-offset))`);break;case"saturation":case"font-lightness":case"font-saturation":a=r>=0?1+r**2:1-r**2,t.style.setProperty(`--${e}`,`(${a} + var(--${e}-offset))`);break;case"hue-rotate":a=Number.isInteger(o["hue-rotate"])?o["hue-rotate"]:0,t.style.setProperty("--hue-rotate",`(${a}deg + var(--hue-offset))`);break;default:t.classList.toggle(`no-${e}`,!r)}})),t.dataset.fontWeight=o["font-weight"]?o["font-weight"]:"default",t.dataset.theme=o["site-theme"]&&!t.dataset.forceChildTheme?o["site-theme"]:"default";let e=getComputedStyle(document.documentElement).getPropertyValue("--theme-color-base").trim().split(" ");const r=o.darken?o.darken:0,s=o.saturation?o.saturation:0,n=o["hue-rotate"]?o["hue-rotate"]:0,l=r>=0?1+r**2:1-r**2;o=s>=0?1+s**2:1-s**2,e=`hsl(${(parseInt(e[0])+n)%360}deg ${(parseInt(e[1])*o).toFixed(2)}% ${(parseInt(e[2])*l).toFixed(2)}%)`,document.querySelector("meta[name=theme-color]").setAttribute("content",e)}e&&(t.dataset.mode="true"==e?"light":"dark")}}();</script>
  <?php // <--- End HTML
}
add_action( 'wp_head', 'fictioneer_output_head_critical_scripts', 9999 );

// =============================================================================
// ADD EXCERPTS TO PAGES
// =============================================================================

add_post_type_support( 'page', 'excerpt' );

// =============================================================================
// PAGINATION
// =============================================================================

/**
 * Modifies the pagination links output for the theme
 *
 * @since 5.4.0
 * @link https://developer.wordpress.org/reference/functions/paginate_links/
 *
 * @param array $args  Optional. Array of arguments for generating the pagination links.
 *
 * @return string Modified pagination links HTML.
 */

function fictioneer_paginate_links( $args = [] ) {
  $args['end_size'] = 1;
  $args['mid_size'] = 1;
  $pagination = paginate_links( $args );

  if ( ! $pagination ) {
    return '';
  }

  return str_replace(
    'class="page-numbers dots"',
    'class="page-numbers dots" tabindex="0"',
    $pagination
  );
}

// =============================================================================
// MODIFY ADMINBAR
// =============================================================================

/**
 * Adds 'Add Chapter' link to adminbar with pre-assigned chapter story
 *
 * @since 5.9.3
 *
 * @param WP_Admin_Bar $wp_admin_bar  The WP_Admin_Bar instance, passed by reference.
 */

function fictioneer_adminbar_add_chapter_link( $wp_admin_bar ) {
  if ( ( is_single() && get_post_type() === 'fcn_story' ) || ( is_admin() && get_current_screen()->id === 'fcn_story' ) ) {
    $story_id = get_the_ID();
    $story_post = get_post( $story_id );

    if ( $story_id && $story_post->post_author == get_current_user_id() ) {
      $wp_admin_bar->add_node(
        array(
          'id' => 'fictioneer-add-chapter',
          'title' => '<span class="ab-icon dashicons dashicons-text-page" style="top: 4px; font-size: 16px;"></span> ' . __( 'Add Chapter', 'fictioneer' ),
          'href' => admin_url( 'post-new.php?post_type=fcn_chapter&story_id=' . $story_id ),
          'meta' => array( 'class' => 'adminbar-add-chapter' )
        )
      );
    }
  }
}
add_action( 'admin_bar_menu', 'fictioneer_adminbar_add_chapter_link', 99 );

// =============================================================================
// CUSTOMIZATION
// =============================================================================

/**
 * Adds '--this-flip' (0|1) to card style attribute
 *
 * @since 5.12.1
 *
 * @param array $attributes  Card attributes to be rendered.
 *
 * @return array Updated attributes.
 */

function fictioneer_add_flip_property_to_cards( $attributes ) {
  $attributes['style'] = isset( $attributes['style'] ) ? $attributes['style'] : '';
  $attributes['style'] .= ' --this-flip: ' . rand( 0, 1 ) * 2 - 1 . ';';

  return $attributes;
}

if ( get_theme_mod( 'card_frame', 'default' ) === 'stacked_random' ) {
  add_filter( 'fictioneer_filter_card_attributes', 'fictioneer_add_flip_property_to_cards' );
}

// =============================================================================
// SCRIPT TRANSLATIONS
// =============================================================================

/**
 * Returns array with translations to be used as JSON
 *
 * @since 5.12.2
 *
 * @return array Updated attributes.
 */

function fictioneer_get_js_translations() {
  return array(
    'notification' => array(
      'enterPageNumber' => _x( 'Enter page number:', 'Pagination jump prompt.', 'fictioneer' ),
      'slowDown' => _x( 'Slow down.', 'Rate limit reached notification.', 'fictioneer' ),
      'error' => _x( 'Error', 'Generic error notification.', 'fictioneer' ),
      'checkmarksResynchronized' => __( 'Checkmarks re-synchronized.', 'fictioneer' ),
      'remindersResynchronized' => __( 'Reminders re-synchronized.', 'fictioneer' ),
      'followsResynchronized' => __( 'Follows re-synchronized.', 'fictioneer' ),
      'suggestionAppendedToComment' => __( 'Suggestion appended to comment!<br><a style="font-weight: 700;" href="#comments">Go to comment section.</a>', 'fictioneer' ),
      'quoteAppendedToComment' => __( 'Quote appended to comment!<br><a style="font-weight: 700;" href="#comments">Go to comment section.</a>', 'fictioneer' ),
      'linkCopiedToClipboard' => __( 'Link copied to clipboard!', 'fictioneer' ),
      'copiedToClipboard' => __( 'Copied to clipboard!', 'fictioneer' ),
      'oauthEmailTaken' => __( 'The associated email address is already taken. You can link additional accounts in your profile.', 'fictioneer' ),
      'oauthAccountAlreadyLinked' => __( 'Account already linked to another profile.', 'fictioneer' ),
      'oauthNew' => __( 'Your account has been successfully linked. <strong>Hint:</strong> You can change your display name in your profile and link additional accounts.', 'fictioneer' ),
      'oauthAccountLinked' => __( 'Account has been successfully linked.', 'fictioneer' )
    )
  );
}

/**
 * Outputs JSON with translation into the <head>
 *
 * @since 5.12.2
 */

function fictioneer_output_head_translations() {
  echo "<script id='fictioneer-translations' type='text/javascript' data-no-optimize='1' data-no-defer='1' data-no-minify='1'>const fictioneer_tl = " . json_encode( fictioneer_get_js_translations() ) . ";</script>";
}
add_action( 'wp_head', 'fictioneer_output_head_translations' );

// =============================================================================
// STORY REDIRECT
// =============================================================================

/**
 * Directs story if a redirect link is set
 *
 * @since 5.14.0
 */

function fictioneer_redirect_story() {
  global $post;

  // Abort if...
  if ( ! is_single() || get_post_type( $post ) !== 'fcn_story' ) {
    return;
  }

  // Setup
  $redirect = get_post_meta( $post->ID ?? 0, 'fictioneer_story_redirect_link', true );

  if ( $redirect ) {
    wp_redirect( $redirect, 301 );
    exit;
  }
}
add_action( 'template_redirect', 'fictioneer_redirect_story' );

// =============================================================================
// WP-SIGNUP AND WP-ACTIVATE
// =============================================================================

/**
 * Remove default styles of wp-signup.php and wp-activate.php
 *
 * @since 5.18.1
 */

function fictioneer_remove_mu_registration_styles() {
  remove_action( 'wp_head', 'wpmu_signup_stylesheet' );
  remove_action( 'wp_head', 'wpmu_activate_stylesheet' );
}

/**
 * Output styles for wp-signup.php and wp-activate.php
 *
 * @since 5.18.1
 */

function fictioneer_output_mu_registration_style() {
  // Start HTML ---> ?>
  <style type="text/css">
    :is(.wp-signup-container, .wp-activate-container) label[for] {
      display: block;
      color: var(--fg-500);
      font-size: var(--fs-xs);
      font-weight: var(--font-weight-medium);
      padding: 0 0 2px;
    }
    :is(.wp-signup-container, .wp-activate-container) :where(input[type="text"], input[type="email"], input[type="password"], input[type="tel"]) {
      display: block;
      width: 100%;
    }
    :is(.wp-signup-container, .wp-activate-container) p {
      margin-bottom: 1.5rem;
    }
    :is(.wp-signup-container, .wp-activate-container) p[id*="-description"] {
      color: var(--fg-900);
      font-size: var(--fs-xxs);
      line-height: 1.3;
      padding: .5rem 2px 0;
    }
    :is(.wp-signup-container, .wp-activate-container) p[id*="-error"] {
      display: flex;
      align-items: flex-start;
      gap: .5rem;
      background: var(--notice-warning-background);
      color: var(--notice-warning-color);
      font-size: var(--fs-xs);
      font-weight: 400;
      line-height: 1.3;
      letter-spacing: 0;
      padding: .5rem;
      margin: .5rem 0 1rem;
      border-radius: var(--layout-border-radius-small);
    }
  </style>
  <?php // <--- End HTML
}

if ( FICTIONEER_MU_REGISTRATION ) {
  add_action( 'wp_head', 'fictioneer_remove_mu_registration_styles', 1 );
  add_action( 'wp_head', 'fictioneer_output_mu_registration_style' );
}