<?php

/**
 * Core functions and definitions
 *
 * Sets up the theme
 *
 * The first function, lucida_initial_setup(), sets up the theme by registering support
 * for various features in WordPress, such as theme support, post thumbnails, navigation menu, and the like.
 *
 * Lucida functions and definitions
 *
 * @package Catch Themes
 * @subpackage Lucida
 * @since Lucida 0.1
 */


if (! function_exists('lucida_content_width')) :
	/**
	 * Set the content width in pixels, based on the theme's design and stylesheet.
	 *
	 * Priority 0 to make it available to lower priority callbacks.
	 *
	 * @global int $content_width
	 */
	function lucida_content_width()
	{
		$GLOBALS['content_width'] = apply_filters('lucida_content_width', 620);
	}
endif;
add_action('after_setup_theme', 'lucida_content_width', 0);


if (! function_exists('lucida_template_redirect')) :
	/**
	 * Set the content width in pixels, based on the theme's design and stylesheet for different value other than the default one
	 *
	 * @global int $content_width
	 */
	function lucida_template_redirect()
	{
		$layout = lucida_get_theme_layout();

		// Two Colums: Left and Right Sidebar & One Column: No Sidbear, No Sidebar One Column
		if ('right-sidebar' == $layout || 'no-sidebar' == $layout) {
			$GLOBALS['content_width'] = 880;
		}
	}
endif;
add_action('template_redirect', 'lucida_template_redirect');


if (! function_exists('lucida_setup')) :
	/**
	 * Sets up theme defaults and registers support for various WordPress features.
	 *
	 * Note that this function is hooked into the after_setup_theme hook, which runs
	 * before the init hook. The init hook is too late for some features, such as indicating
	 * support post thumbnails.
	 */
	function lucida_setup()
	{
		/**
		 * Get Theme Options Values
		 */
		$options = lucida_get_theme_options();
		/**
		 * Make theme available for translation
		 * Translations can be filed in the /languages/ directory
		 * If you're building a theme based on Lucida, use a find and replace
		 * to change 'lucida' to the name of your theme in all the template files
		 */
		load_theme_textdomain('lucida', trailingslashit(get_template_directory()) . 'languages');

		/**
		 * Add default posts and comments RSS feed links to head
		 */
		add_theme_support('automatic-feed-links');

		/**
		 * Enable support for Post Thumbnails on posts and pages
		 *
		 * @link http://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails
		 */
		add_theme_support('post-thumbnails');

		/**
		 * Add excerpt box in pages
		 */
		add_post_type_support('page', 'excerpt');

		// Thumbnail Image, used in Three Columns (Featured archive pages). Ratio 16:9
		set_post_thumbnail_size(620, 413, true);

		// Featured Image, used in Slider
		add_image_size('lucida-slider', 1920, 800, true); // Used for Featured slider

		// Thumbnail Image, used in Two Columns/One Column (Featured archive pages)
		add_image_size('lucida-featured', 880, 660, true);

		add_image_size('lucida-landscape', 480, 320, true); // used in Archive Left/Right

		add_image_size('lucida-small', 90, 68, true); // used in Widgets

		/**
		 * This theme uses wp_nav_menu() in one location.
		 */
		register_nav_menus(array(
			'primary' 		=> esc_html__('Primary Menu', 'lucida'),
			'header-top' 	=> esc_html__('Header Top Menu', 'lucida'),
		));

		/**
		 * Enable support for Post Formats
		 */
		add_theme_support('post-formats', array('aside', 'image', 'video', 'quote', 'link'));

		/**
		 * Setup the WordPress core custom background feature.
		 */
		$default_options = lucida_get_default_theme_options(); //Get Default Theme Options Values.
		$bg_color = $default_options['background_color'];

		if ('dark' == $options['color_scheme']) {
			$dark_def_colors = lucida_default_dark_color_options();
			$bg_color        = $dark_def_colors['background_color'];
		}

		add_theme_support('custom-background', apply_filters('lucida_custom_background_args', array(
			'default-color' => $bg_color,
		)));


		/**
		 * Setup Editor style
		 */
		add_editor_style('css/editor-style.css');

		/**
		 * Setup title support for theme
		 * Supported from WordPress version 4.1 onwards
		 * More Info: https://make.wordpress.org/core/2014/10/29/title-tags-in-4-1/
		 */
		add_theme_support('title-tag');

		/**
		 * Setup Custom Logo Support for theme
		 * Supported from WordPress version 4.5 onwards
		 * More Info: https://make.wordpress.org/core/2016/03/10/custom-logo/
		 */
		add_theme_support('custom-logo');

		/**
		 * Setup Infinite Scroll using JetPack if navigation type is set
		 */
		$pagination_type	= $options['pagination_type'];

		if ('infinite-scroll-click' == $pagination_type) {
			add_theme_support('infinite-scroll', array(
				'type'		=> 'click',
				'container' => 'main',
				'footer'    => 'page'
			));
		} elseif ('infinite-scroll-scroll' == $pagination_type) {
			//Override infinite scroll disable scroll option
			update_option('infinite_scroll', true);

			add_theme_support('infinite-scroll', array(
				'type'		=> 'scroll',
				'container' => 'main',
				'footer'    => 'page'
			));
		}
	}
endif; // lucida_setup
add_action('after_setup_theme', 'lucida_setup');


/**
 * Enqueue scripts and styles
 *
 * @uses  wp_register_script, wp_enqueue_script, wp_register_style, wp_enqueue_style, wp_localize_script
 * @action wp_enqueue_scripts
 *
 * @since Lucida 0.1
 */
function lucida_scripts()
{
	$options = lucida_get_theme_options();

	wp_register_style('lucida-web-font', lucida_fonts_url(), false, null);

	$deps = array('lucida-web-font');

	wp_enqueue_style('lucida-style', get_stylesheet_uri(), $deps, LUCIDA_THEME_VERSION);

	wp_enqueue_script('lucida-navigation', trailingslashit(esc_url(get_template_directory_uri())) . 'js/navigation.min.js', array(), LUCIDA_THEME_VERSION, true);

	wp_enqueue_script('lucida-skip-link-focus-fix', trailingslashit(esc_url(get_template_directory_uri())) . 'js/skip-link-focus-fix.min.js', array(), LUCIDA_THEME_VERSION, true);

	/**
	 * Adds JavaScript to pages with the comment form to support
	 * sites with threaded comments (when in use).
	 */
	if (is_singular() && comments_open() && get_option('thread_comments')) {
		wp_enqueue_script('comment-reply');
	}

	// Font Awesome
	wp_enqueue_style('font-awesome', trailingslashit(esc_url(get_template_directory_uri())) . 'css/font-awesome/css/all.min.css', array(), '6.7.2', 'all');

	/**
	 * Enqueue the styles for the current color scheme for parallaxframe.
	 */
	if ('dark' == $options['color_scheme']) {
		wp_enqueue_style('lucida-dark', trailingslashit(esc_url(get_template_directory_uri())) . 'css/colors/dark.css', array(), LUCIDA_THEME_VERSION);
	}

	$enable_fitvids  = $options['enable_fitvids'];

	if ('1' == $enable_fitvids) {
		/**
		 * Loads up fit vids
		 */
		wp_enqueue_script('jquery-fitvids', trailingslashit(esc_url(get_template_directory_uri())) . 'js/fitvids.min.js', array('jquery'), '1.1', true);
	}

	/**
	 * Loads up Cycle JS
	 */
	if ($options['featured_slider_option'] != 'disabled' || $options['news_ticker_option'] != 'disabled') {
		wp_register_script('jquery-cycle2', trailingslashit(esc_url(get_template_directory_uri())) . 'js/jquery.cycle/jquery.cycle2.min.js', array('jquery'), '2.1.5', true);

		wp_enqueue_script('jquery-cycle2');
	}

	/**
	 * Loads up Scroll Up script
	 */
	if (! $options['disable_scrollup']) {
		wp_enqueue_script('lucida-scrollup', trailingslashit(esc_url(get_template_directory_uri())) . 'js/scrollup.min.js', array('jquery'), '20072014', true);
	}

	/**
	 * Enqueue custom script for Lucida.
	 */
	wp_enqueue_script('lucida-custom-scripts', trailingslashit(esc_url(get_template_directory_uri())) . 'js/custom-scripts.min.js', array('jquery'), null);

	wp_localize_script('lucida-custom-scripts', 'lucidaScreenReaderText', array(
		'expand'   => esc_html__('expand child menu', 'lucida'),
		'collapse' => esc_html__('collapse child menu', 'lucida'),
	));
}
add_action('wp_enqueue_scripts', 'lucida_scripts');


/**
 * Register Google fonts.
 */
function lucida_fonts_url()
{
	$fonts_url = '';

	/* Translators: If there are characters in your language that are not
	* supported by Open Sans, translate this to 'off'. Do not translate
	* into your own language.
	*/
	$open_sans = _x('on', 'Open Sans: on or off', 'lucida');

	/* Translators: If there are characters in your language that are not
	* supported by Playfair Display, translate this to 'off'. Do not translate
	* into your own language.
	*/
	$playfair_display = _x('on', 'Playfair Display font: on or off', 'lucida');

	if ('off' !== $open_sans || 'off' !== $playfair_display) {
		$font_families = array();

		if ('off' !== $open_sans) {
			$font_families[] = 'Open Sans';
		}

		if ('off' !== $playfair_display) {
			$font_families[] = 'Playfair Display';
		}

		$query_args = array(
			'family' => urlencode(implode('|', $font_families)),
			'subset' => urlencode('latin,latin-ext'),
		);

		$fonts_url = add_query_arg($query_args, 'https://fonts.googleapis.com/css');
	}
	// Load google font locally.
	require_once get_theme_file_path('inc/wptt-webfont-loader.php');

	return esc_url_raw(wptt_get_webfont_url($fonts_url));
}


/**
 * Enqueue scripts and styles for Metaboxes
 * @uses wp_register_script, wp_enqueue_script, and  wp_enqueue_style
 *
 * @action admin_print_scripts-post-new, admin_print_scripts-post, admin_print_scripts-page-new, admin_print_scripts-page
 *
 * @since Lucida 0.1
 */
/**
 * Default Options.
 */
require trailingslashit(get_template_directory()) . 'inc/default-options.php';

/**
 * Custom Header.
 */
require trailingslashit(get_template_directory()) . 'inc/custom-header.php';


/**
 * Structure for Lucida
 */
require trailingslashit(get_template_directory()) . 'inc/structure.php';


/**
 * Customizer additions.
 */
require trailingslashit(get_template_directory()) . 'inc/customizer-includes/customizer.php';


/**
 * Custom Menus
 */
require trailingslashit(get_template_directory()) . 'inc/menus.php';


/**
 * Load Header Highlight Content file.
 */
require trailingslashit(get_template_directory()) . 'inc/header-highlight-content.php';


/**
 * Load Slider file.
 */
require trailingslashit(get_template_directory()) . 'inc/featured-slider.php';


/**
 * Load Featured Content.
 */
require trailingslashit(get_template_directory()) . 'inc/featured-content.php';


/**
 * Load News Ticker
 */
require trailingslashit(get_template_directory()) . 'inc/news-ticker.php';


/**
 * Load Breadcrumb file.
 */
require trailingslashit(get_template_directory()) . 'inc/breadcrumb.php';


/**
 * Load Widgets and Sidebars
 */
require trailingslashit(get_template_directory()) . 'inc/widgets/widgets.php';


/**
 * Load Social Icons
 */
require trailingslashit(get_template_directory()) . 'inc/social-icons.php';


/**
 * Load Metaboxes
 */
require trailingslashit(get_template_directory()) . 'inc/metabox.php';

/**
 * Load JSON_LD Breadcrumb file.
 */
require trailingslashit(get_template_directory()) . 'inc/json-ld-schema.php';


/**
 * Returns the options array for Lucida.
 * @uses  get_theme_mod
 *
 * @since Lucida 0.1
 */
function lucida_get_theme_options()
{
	$default_options = lucida_get_default_theme_options();

	return array_merge($default_options, get_theme_mod('lucida_theme_options', $default_options));
}


/**
 * Flush out all transients
 *
 * @uses delete_transient
 *
 * @action customize_save, lucida_customize_preview (see lucida_customizer function: lucida_customize_preview)
 *
 * @since Lucida 0.1
 */
function lucida_flush_transients()
{
	delete_transient('lucida_header_highlight_content');

	delete_transient('lucida_featured_content');

	delete_transient('lucida_news_ticker');

	delete_transient('lucida_featured_slider');

	delete_transient('lucida_custom_css');

	delete_transient('lucida_featured_image');

	delete_transient('lucida_social_icons');

	delete_transient('lucida_scrollup');

	delete_transient('all_the_cool_cats');

	//Add Lucida default themes if there is no values
	if (!get_theme_mod('lucida_theme_options')) {
		set_theme_mod('lucida_theme_options', lucida_get_default_theme_options());
	}
}
add_action('customize_save', 'lucida_flush_transients');

/**
 * Flush out category transients
 *
 * @uses delete_transient
 *
 * @action edit_category
 *
 * @since Lucida 0.1
 */
function lucida_flush_category_transients()
{
	delete_transient('all_the_cool_cats');
}
add_action('edit_category', 'lucida_flush_category_transients');


/**
 * Flush out post related transients
 *
 * @uses delete_transient
 *
 * @action save_post
 *
 * @since Lucida 0.1
 */
function lucida_flush_post_transients()
{
	delete_transient('lucida_header_highlight_content');

	delete_transient('lucida_featured_content');

	delete_transient('lucida_news_ticker');

	delete_transient('lucida_featured_slider');

	delete_transient('lucida_featured_image');

	delete_transient('all_the_cool_cats');
}
add_action('save_post', 'lucida_flush_post_transients');


if (! function_exists('lucida_custom_css')) :
	/**
	 * Enqueue Custon CSS
	 *
	 * @uses  set_transient, wp_head, wp_enqueue_style
	 *
	 * @action wp_enqueue_scripts
	 *
	 * @since Lucida 0.1
	 */
	function lucida_custom_css()
	{
		//lucida_flush_transients();
		$options 	= lucida_get_theme_options();
		$defaults 	= lucida_get_default_theme_options();

		if (! $output = get_transient('lucida_custom_css')) {
			$output = '';

			$text_color = get_header_textcolor();

			if ('blank' == $text_color) {
				$output	.=  ".site-title a, .site-description { position: absolute !important; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px); }" . "\n";
			} elseif ($defaults['header_textcolor'] != $text_color) {
				$output	.=  ".site-title a, .site-description { color: #" .  $text_color . "; }" . "\n";
			}

			/*
			 * Promotion Headline Widget left and right width
			 */
			if ($defaults['promotion_headline_left_width'] != $options['promotion_headline_left_width']) {
				$output	.= "@media screen and (min-width: 481px) {" . "\n";
				if (100 == $options['promotion_headline_left_width']) {
					$output	.=  "#promotion-message .left, #promotion-message .right { max-width: 100%; width: 100%; }" . "\n";
					$output	.=  "#promotion-message .right .promotion-button { margin-top: 0; }" . "\n";
				} else {
					$output	.=  "#promotion-message .left { max-width: " . $options['promotion_headline_left_width'] . "%; }" . "\n";
					$output	.=  "#promotion-message .right { max-width: " . absint(100 - $options['promotion_headline_left_width']) . "%; }" . "\n";
				}
				$output	.= "}" . "\n";
			}

			//Custom CSS Option
			if (!empty($options['custom_css'])) {
				$output	.=  $options['custom_css'] . "\n";
			}

			if ('' != $output) {
				echo '<!-- refreshing cache -->' . "\n";

				$output = '<!-- ' . get_bloginfo('name') . ' inline CSS Styles -->' . "\n" . '<style type="text/css" media="screen" rel="ct-custom-css">' . "\n" . $output;

				$output .= '</style>' . "\n";
			}

			set_transient('lucida_custom_css', htmlspecialchars_decode($output), 86940);
		}

		echo $output;
	}
endif; //lucida_custom_css
add_action('wp_head', 'lucida_custom_css', 101);

/**
 * Alter the query for the main loop in homepage
 *
 * @action pre_get_posts
 *
 * @since Lucida 0.1
 */
function lucida_alter_home($query)
{
	if ($query->is_main_query() && $query->is_home()) {
		$options = lucida_get_theme_options();
		$cats    = $options['front_page_category'];

		if (is_array($cats) && !in_array('0', $cats)) {
			$query->query_vars['category__in'] =  $cats;
		}
	}
}
add_action('pre_get_posts', 'lucida_alter_home');


if (! function_exists('lucida_content_nav')) :
	/**
	 * Display navigation to next/previous pages when applicable
	 *
	 * @since Lucida 0.1
	 */
	function lucida_content_nav($nav_id)
	{
		global $wp_query, $post;

		// Don't print empty markup on single pages if there's nowhere to navigate.
		if (is_single()) {
			$previous = (is_attachment()) ? get_post($post->post_parent) : get_adjacent_post(false, '', true);
			$next = get_adjacent_post(false, '', false);

			if (! $next && ! $previous)
				return;
		}

		// Don't print empty markup in archives if there's only one page.
		if ($wp_query->max_num_pages < 2 && (is_home() || is_archive() || is_search())) {
			return;
		}

		$options         = lucida_get_theme_options();
		$pagination_type = $options['pagination_type'];

		/**
		 * Check if navigation type is Jetpack Infinite Scroll and if it is enabled, else goto default pagination
		 * if it's active then disable pagination
		 */
		if (('infinite-scroll-click' == $pagination_type || 'infinite-scroll-scroll' == $pagination_type) && class_exists('Jetpack') && Jetpack::is_module_active('infinite-scroll')) {
			return false;
		}

?>

		<div class="main-pagination clear">
			<?php
			/**
			 * Check if navigation type is numeric and if Wp-PageNavi Plugin is enabled
			 */
			if ('numeric' == $pagination_type && function_exists('wp_pagenavi')) {
				echo '<nav class="navigation pagination-pagenavi" role="navigation">';
				wp_pagenavi();
				echo '</nav><!-- .pagination-pagenavi -->';
			} elseif ('numeric' == $pagination_type && function_exists('the_posts_pagination')) {
				// Previous/next page navigation.
				the_posts_pagination(array(
					'prev_text'          => esc_html__('Previous', 'lucida'),
					'next_text'          => esc_html__('Next', 'lucida'),
					'before_page_number' => '<span class="meta-nav screen-reader-text">' . esc_html__('Page', 'lucida') . ' </span>',
				));
			} else {
				the_posts_navigation();
			} ?>
		</div><!-- .main-pagination -->

		<?php
	}
endif; // lucida_content_nav


if (! function_exists('lucida_comment')) :
	/**
	 * Template for comments and pingbacks.
	 *
	 * Used as a callback by wp_list_comments() for displaying the comments.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_comment($comment, $args, $depth)
	{
		if ('pingback' == $comment->comment_type || 'trackback' == $comment->comment_type) : ?>

			<li id="comment-<?php comment_ID(); ?>" <?php comment_class(); ?>>
				<div class="comment-body">
					<?php esc_html_e('Pingback:', 'lucida'); ?> <?php comment_author_link(); ?> <?php edit_comment_link(esc_html__('Edit', 'lucida'), '<span class="edit-link">', '</span>'); ?>
				</div>

			<?php else : ?>

			<li id="comment-<?php comment_ID(); ?>" <?php comment_class(empty($args['has_children']) ? '' : 'parent'); ?>>
				<article id="div-comment-<?php comment_ID(); ?>" class="comment-body">
					<footer class="comment-meta">
						<div class="comment-author vcard">
							<?php if (0 != $args['avatar_size']) echo get_avatar($comment, $args['avatar_size']); ?>
							<?php printf(__('%s <span class="says">says:</span>', 'lucida'), sprintf('<cite class="fn">%s</cite>', get_comment_author_link())); ?>
						</div><!-- .comment-author -->

						<div class="comment-metadata">
							<a href="<?php echo esc_url(get_comment_link($comment->comment_ID)); ?>">
								<time datetime="<?php comment_time('c'); ?>">
									<?php printf(_x('%1$s at %2$s', '1: date, 2: time', 'lucida'), get_comment_date(), get_comment_time()); ?>
								</time>
							</a>
							<?php edit_comment_link(esc_html__('Edit', 'lucida'), '<span class="edit-link">', '</span>'); ?>
						</div><!-- .comment-metadata -->

						<?php if ('0' == $comment->comment_approved) : ?>
							<p class="comment-awaiting-moderation"><?php esc_html_e('Your comment is awaiting moderation.', 'lucida'); ?></p>
						<?php endif; ?>
					</footer><!-- .comment-meta -->

					<div class="comment-content">
						<?php comment_text(); ?>
					</div><!-- .comment-content -->

					<?php
					comment_reply_link(wp_parse_args($args, array(
						'add_below' => 'div-comment',
						'depth'     => $depth,
						'max_depth' => $args['max_depth'],
						'before'    => '<div class="reply">',
						'after'     => '</div>',
					)));
					?>
				</article><!-- .comment-body -->

			<?php
		endif;
	}
endif; // lucida_comment()


if (! function_exists('lucida_the_attached_image')) :
	/**
	 * Prints the attached image with a link to the next attached image.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_the_attached_image()
	{
		$post                = get_post();
		$attachment_size     = apply_filters('lucida_attachment_size', array(1200, 1200));
		$next_attachment_url = wp_get_attachment_url();

		/**
		 * Grab the IDs of all the image attachments in a gallery so we can get the
		 * URL of the next adjacent image in a gallery, or the first image (if
		 * we're looking at the last image in a gallery), or, in a gallery of one,
		 * just the link to that image file.
		 */
		$attachment_ids = get_posts(array(
			'post_parent'    => $post->post_parent,
			'fields'         => 'ids',
			'numberposts'    => 1,
			'post_status'    => 'inherit',
			'post_type'      => 'attachment',
			'post_mime_type' => 'image',
			'order'          => 'ASC',
			'orderby'        => 'menu_order ID'
		));

		// If there is more than 1 attachment in a gallery...
		if (count($attachment_ids) > 1) {
			foreach ($attachment_ids as $attachment_id) {
				if ($attachment_id == $post->ID) {
					$next_id = current($attachment_ids);
					break;
				}
			}

			// get the URL of the next image attachment...
			if ($next_id)
				$next_attachment_url = get_attachment_link($next_id);

			// or get the URL of the first image attachment.
			else
				$next_attachment_url = get_attachment_link(array_shift($attachment_ids));
		}

		printf(
			'<a href="%1$s" title="%2$s" rel="attachment">%3$s</a>',
			esc_url($next_attachment_url),
			the_title_attribute('echo=0'),
			wp_get_attachment_image($post->ID, $attachment_size)
		);
	}
endif; //lucida_the_attached_image


if (! function_exists('lucida_entry_meta')) :
	/**
	 * Prints HTML with meta information for the current post-date/time and author.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_entry_meta()
	{
		echo '<p class="entry-meta">';

		$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';

		if (get_the_time('U') !== get_the_modified_time('U')) {
			$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
		}

		$time_string = sprintf(
			$time_string,
			esc_attr(get_the_date('c')),
			esc_html(get_the_date()),
			esc_attr(get_the_modified_date('c')),
			esc_html(get_the_modified_date())
		);

		printf(
			'<span class="posted-on">%1$s<a href="%2$s" rel="bookmark">%3$s</a></span>',
			sprintf(_x('<span class="screen-reader-text">Posted on</span>', 'Used before publish date.', 'lucida')),
			esc_url(get_permalink()),
			$time_string
		);

		if (is_singular() || is_multi_author()) {
			printf(
				'<span class="byline"><span class="author vcard">%1$s<a class="url fn n" href="%2$s">%3$s</a></span></span>',
				sprintf(_x('<span class="screen-reader-text">Author</span>', 'Used before post author name.', 'lucida')),
				esc_url(get_author_posts_url(get_the_author_meta('ID'))),
				esc_html(get_the_author())
			);
		}

		if (! post_password_required() && (comments_open() || '0' != get_comments_number())) {
			echo '<span class="comments-link">';
			comments_popup_link(esc_html__('Leave a comment', 'lucida'), esc_html__('1 Comment', 'lucida'), esc_html__('% Comments', 'lucida'));
			echo '</span>';
		}

		edit_post_link(esc_html__('Edit', 'lucida'), '<span class="edit-link">', '</span>');

		echo '</p><!-- .entry-meta -->';
	}
endif; //lucida_entry_meta


if (! function_exists('lucida_tag_category')) :
	/**
	 * Prints HTML with meta information for the categories, tags.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_tag_category()
	{
		echo '<p class="entry-meta">';

		if ('post' == get_post_type()) {
			$categories_list = get_the_category_list(_x(', ', 'Used between list items, there is a space after the comma.', 'lucida'));
			if ($categories_list && lucida_categorized_blog()) {
				printf(
					'<span class="cat-links">%1$s%2$s</span>',
					sprintf(_x('<span class="screen-reader-text">Categories</span>', 'Used before category names.', 'lucida')),
					$categories_list
				);
			}

			$tags_list = get_the_tag_list('', _x(', ', 'Used between list items, there is a space after the comma.', 'lucida'));
			if ($tags_list) {
				printf(
					'<span class="tags-links">%1$s%2$s</span>',
					sprintf(_x('<span class="screen-reader-text">Tags</span>', 'Used before tag names.', 'lucida')),
					$tags_list
				);
			}
		}

		echo '</p><!-- .entry-meta -->';
	}
endif; //lucida_tag_category


if (! function_exists('lucida_get_highlight_meta')) :
	/**
	 * Returns HTML with meta information for the categories, tags, date and author.
	 *
	 * @param [boolean] $hide_category Adds screen-reader-text class to category meta if true
	 * @param [boolean] $hide_tags Adds screen-reader-text class to tag meta if true
	 * @param [boolean] $hide_posted_by Adds screen-reader-text class to date meta if true
	 * @param [boolean] $hide_author Adds screen-reader-text class to author meta if true
	 *
	 * @since Lucida 0.1
	 */
	function lucida_get_highlight_meta($hide_category = false, $hide_tags = false, $hide_posted_by = false, $hide_author = false)
	{
		$output = '<p class="entry-meta">';

		if ('post' == get_post_type()) {

			$class = $hide_category ? 'screen-reader-text' : '';

			$categories_list = get_the_category_list(_x(', ', 'Used between list items, there is a space after the comma.', 'lucida'));
			if ($categories_list && lucida_categorized_blog()) {
				$output .= sprintf(
					'<span class="cat-links ' . $class . '">%1$s%2$s</span>',
					sprintf(_x('<span class="screen-reader-text">Categories</span>', 'Used before category names.', 'lucida')),
					$categories_list
				);
			}

			$class = $hide_tags ? 'screen-reader-text' : '';

			$tags_list = get_the_tag_list('', _x(', ', 'Used between list items, there is a space after the comma.', 'lucida'));
			if ($tags_list) {
				$output .= sprintf(
					'<span class="tags-links ' . $class . '">%1$s%2$s</span>',
					sprintf(_x('<span class="screen-reader-text">Tags</span>', 'Used before tag names.', 'lucida')),
					$tags_list
				);
			}

			$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';

			if (get_the_time('U') !== get_the_modified_time('U')) {
				$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
			}

			$time_string = sprintf(
				$time_string,
				esc_attr(get_the_date('c')),
				esc_html(get_the_date()),
				esc_attr(get_the_modified_date('c')),
				esc_html(get_the_modified_date())
			);

			$class = $hide_posted_by ? 'screen-reader-text' : '';

			$output .= sprintf(
				'<span class="posted-on ' . $class . '">%1$s<a href="%2$s" rel="bookmark">%3$s</a></span>',
				sprintf(_x('<span class="screen-reader-text">Posted on</span>', 'Used before publish date.', 'lucida')),
				esc_url(get_permalink()),
				$time_string
			);

			if (is_singular() || is_multi_author()) {
				$class = $hide_author ? 'screen-reader-text' : '';

				$output .= sprintf(
					'<span class="byline ' . $class . '"><span class="author vcard">%1$s<a class="url fn n" href="%2$s">%3$s</a></span></span>',
					sprintf(_x('<span class="screen-reader-text">Author</span>', 'Used before post author name.', 'lucida')),
					esc_url(get_author_posts_url(get_the_author_meta('ID'))),
					esc_html(get_the_author())
				);
			}
		}

		$output .= '</p><!-- .entry-meta -->';

		return $output;
	}
endif; //lucida_get_highlight_meta


/**
 * Returns true if a blog has more than 1 category
 *
 * @since Lucida 0.1
 */
function lucida_categorized_blog()
{
	if (false === ($all_the_cool_cats = get_transient('all_the_cool_cats'))) {
		// Create an array of all the categories that are attached to posts
		$all_the_cool_cats = get_categories(array(
			'hide_empty' => 1,
		));

		// Count the number of categories that are attached to the posts
		$all_the_cool_cats = count($all_the_cool_cats);

		set_transient('all_the_cool_cats', $all_the_cool_cats);
	}

	if ('1' != $all_the_cool_cats) {
		// This blog has more than 1 category so lucida_categorized_blog should return true
		return true;
	} else {
		// This blog has only 1 category so lucida_categorized_blog should return false
		return false;
	}
}


/**
 * Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
 *
 * @since Lucida 0.1
 */
function lucida_page_menu_args($args)
{
	$args['show_home'] = true;
	return $args;
}
add_filter('wp_page_menu_args', 'lucida_page_menu_args');


/**
 * Filter in a link to a content ID attribute for the next/previous image links on image attachment pages
 *
 * @since Lucida 0.1
 */
function lucida_enhanced_image_navigation($url, $id)
{
	if (! is_attachment() && ! wp_attachment_is_image($id))
		return $url;

	$image = get_post($id);
	if (! empty($image->post_parent) && $image->post_parent != $id)
		$url .= '#main';

	return $url;
}
add_filter('attachment_link', 'lucida_enhanced_image_navigation', 10, 2);


/**
 * Count the number of footer sidebars to enable dynamic classes for the footer
 *
 * @since Lucida 0.1
 */
function lucida_footer_sidebar_class()
{
	$count = 0;

	if (is_active_sidebar('footer-1'))
		$count++;

	if (is_active_sidebar('footer-2'))
		$count++;

	if (is_active_sidebar('footer-3'))
		$count++;

	if (is_active_sidebar('footer-4'))
		$count++;

	$class = '';

	switch ($count) {
		case '1':
			$class = 'footer-widget-area one';
			break;
		case '2':
			$class = 'footer-widget-area two';
			break;
		case '3':
			$class = 'footer-widget-area three';
			break;
		case '4':
			$class = 'footer-widget-area four';
			break;
	}

	if ($class)
		echo 'class="' . $class . '"';
}


if (! function_exists('lucida_excerpt_length')) :
	/**
	 * Sets the post excerpt length to n words.
	 *
	 * function tied to the excerpt_length filter hook.
	 * @uses filter excerpt_length
	 *
	 * @since Lucida 0.1
	 */
	function lucida_excerpt_length($length)
	{
		if (is_admin()) {
			return $length;
		}

		// Getting data from Customizer Options
		$options = lucida_get_theme_options();

		return absint($options['excerpt_length']);
	}
endif; //lucida_excerpt_length
add_filter('excerpt_length', 'lucida_excerpt_length');


if (! function_exists('lucida_continue_reading')) :
	/**
	 * Returns a "Custom Continue Reading" link for excerpts
	 *
	 * @since Lucida 0.1
	 */
	function lucida_continue_reading()
	{
		// Getting data from Customizer Options
		$options        = lucida_get_theme_options();
		$more_tag_text	= $options['excerpt_more_text'];

		return ' <a class="more-link" href="' . esc_url(get_permalink()) . '">' . wp_kses_data($more_tag_text) . '</a>';
	}
endif; //lucida_continue_reading


if (! function_exists('lucida_excerpt_more')) :
	/**
	 * Replaces "[...]" (appended to automatically generated excerpts) with lucida_continue_reading().
	 *
	 * @since Lucida 0.1
	 */
	function lucida_excerpt_more($more)
	{
		if (is_admin()) {
			return $more;
		}

		return lucida_continue_reading();
	}
endif; //lucida_excerpt_more
add_filter('excerpt_more', 'lucida_excerpt_more');


if (! function_exists('lucida_custom_excerpt')) :
	/**
	 * Adds Continue Reading link to more tag excerpts.
	 *
	 * function tied to the get_the_excerpt filter hook.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_custom_excerpt($output)
	{
		if (has_excerpt() && ! is_attachment()) {
			$output .= lucida_continue_reading();
		}
		return $output;
	}
endif; //lucida_custom_excerpt
add_filter('get_the_excerpt', 'lucida_custom_excerpt');


if (! function_exists('lucida_more_link')) :
	/**
	 * Replacing Continue Reading link to the_content more.
	 *
	 * function tied to the the_content_more_link filter hook.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_more_link($more_link, $more_link_text)
	{
		$options		= lucida_get_theme_options();
		$more_tag_text	= $options['excerpt_more_text'];

		return str_replace($more_link_text, wp_kses_data($more_tag_text), $more_link);
	}
endif; //lucida_more_link
add_filter('the_content_more_link', 'lucida_more_link', 10, 2);


if (! function_exists('lucida_body_classes')) :
	/**
	 * Adds Lucida layout classes to the array of body classes.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_body_classes($classes)
	{
		$options 		= lucida_get_theme_options();

		// Adds a class of group-blog to blogs with more than 1 published author
		if (is_multi_author()) {
			$classes[] = 'group-blog';
		}

		$layout = lucida_get_theme_layout();

		switch ($layout) {
			case 'three-columns':
				$classes[] = 'layout-three-columns';
				break;

			case 'right-sidebar':
				$classes[] = 'layout-two-columns content-left';
				break;

			case 'no-sidebar':
				$classes[] = 'layout-one-column no-sidebar content-width';
				break;
		}

		$content_layout = $options['content_layout'];
		if ("" != $content_layout) {
			$classes[] = $content_layout;
		}

		if ('above-content' == $options['news_ticker_position']) {
			$classes[] = 'news-ticker-above-content';
		}

		$classes[] = 'header-center';

		$classes 	= apply_filters('lucida_body_classes', $classes);

		return $classes;
	}
endif; //lucida_body_classes
add_filter('body_class', 'lucida_body_classes');


if (! function_exists('lucida_post_classes')) :
	/**
	 * Adds Lucida post classes to the array of post classes.
	 * used for supporting different content layouts
	 *
	 * @since Lucida 0.1
	 */
	function lucida_post_classes($classes)
	{
		//Getting Ready to load data from Theme Options Panel
		$options 		= lucida_get_theme_options();

		$contentlayout = $options['content_layout'];

		if (is_archive() || is_home()) {
			$classes[] = esc_attr($contentlayout);
		}

		return $classes;
	}
endif; //lucida_post_classes
add_filter('post_class', 'lucida_post_classes');

if (! function_exists('lucida_get_theme_layout')) :
	/**
	 * Returns Theme Layout prioritizing the meta box layouts
	 *
	 * @uses  get_theme_mod
	 *
	 * @action wp_head
	 *
	 * @since Lucida 0.1
	 */
	function lucida_get_theme_layout()
	{
		$id = '';

		global $post, $wp_query;

		// Front page displays in Reading Settings
		$page_on_front  = get_option('page_on_front');
		$page_for_posts = get_option('page_for_posts');

		// Get Page ID outside Loop
		$page_id = $wp_query->get_queried_object_id();

		// Blog Page or Front Page setting in Reading Settings
		if ($page_id == $page_for_posts || $page_id == $page_on_front) {
			$id = $page_id;
		} elseif (is_singular()) {
			if (is_attachment()) {
				$id = $post->post_parent;
			} else {
				$id = $post->ID;
			}
		}

		//Get appropriate metabox value of layout
		if ('' != $id) {
			$layout = get_post_meta($id, 'lucida-layout-option', true);
		} else {
			$layout = 'default';
		}

		//Load options data
		$options = lucida_get_theme_options();

		//check empty and load default
		if (empty($layout) || 'default' == $layout) {
			$layout = $options['theme_layout'];
		}

		return $layout;
	}
endif; //lucida_get_theme_layout


if (! function_exists('lucida_archive_content_image')) :
	/**
	 * Template for Featured Image in Archive Content
	 *
	 * To override this in a child theme
	 * simply create your own lucida_archive_content_image(), and that function will be used instead.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_archive_content_image()
	{
		$options        = lucida_get_theme_options();
		$featured_image = $options['content_layout'];
		$layout         = $options['theme_layout'];

		if (has_post_thumbnail() && 'full-content' != $featured_image) { ?>
				<figure class="featured-image">
					<a rel="bookmark" href="<?php the_permalink(); ?>">

						<?php
						if (post_password_required() || is_sticky()) {
							if ('right-sidebar' == $layout || 'no-sidebar' == $layout) {
								the_post_thumbnail('lucida-featured');
							} else {
								the_post_thumbnail();
							}
						} elseif ('excerpt-image-left' == $featured_image) {
							the_post_thumbnail('lucida-landscape');
						}
						?>
					</a>
				</figure>
			<?php
		}
	}
endif; //lucida_archive_content_image
add_action('lucida_before_entry_container', 'lucida_archive_content_image', 10);


if (! function_exists('lucida_single_content_image')) :
	/**
	 * Template for Featured Image in Single Post
	 *
	 * To override this in a child theme
	 * simply create your own lucida_single_content_image(), and that function will be used instead.
	 *
	 * @since Lucida 0.1
	 */
	function lucida_single_content_image()
	{
		global $post, $wp_query;

		// Get Page ID outside Loop
		$page_id = $wp_query->get_queried_object_id();
		if ($post) {
			if (is_attachment()) {
				$parent = $post->post_parent;
				$individual_ft_image = get_post_meta($parent, 'lucida-featured-image', true);
			} else {
				$individual_ft_image = get_post_meta($page_id, 'lucida-featured-image', true);
			}
		}

		if (empty($individual_ft_image) || (!is_page() && !is_single())) {
			$individual_ft_image = 'default';
		}

		// Getting data from Theme Options
		$options = lucida_get_theme_options();

		$featured_image = $options['single_post_image_layout'];

		if (('disabled' == $individual_ft_image  || '' == get_the_post_thumbnail() || ($individual_ft_image == 'default' && 'disabled' == $featured_image))) {
			echo '<!-- Page/Post Single Image Disabled or No Image set in Post Thumbnail -->';
			return false;
		} else {
			$class = '';

			if ('default' == $individual_ft_image) {
				$class = $featured_image;
			} else {
				$class = 'from-metabox ' . $individual_ft_image;
			}

			?>
				<figure class="featured-image <?php echo $class; ?>">
					<?php the_post_thumbnail($featured_image); ?>
				</figure>
			<?php
		}
	}
endif; //lucida_single_content_image
add_action('lucida_before_post_container', 'lucida_single_content_image', 10);
add_action('lucida_before_page_container', 'lucida_single_content_image', 10);


if (! function_exists('lucida_get_comment_section')) :
	/**
	 * Comment Section
	 *
	 * @get comment setting from theme options and display comments sections accordingly
	 * @display comments_template
	 * @action lucida_comment_section
	 *
	 * @since Lucida 0.1
	 */
	function lucida_get_comment_section()
	{
		if (comments_open() || '0' != get_comments_number()) {
			comments_template();
		}
	}
endif;
add_action('lucida_comment_section', 'lucida_get_comment_section', 10);


if (! function_exists('lucida_promotion_headline')) :
	/**
	 * Template for Promotion Headline
	 *
	 * To override this in a child theme
	 * simply create your own lucida_promotion_headline(), and that function will be used instead.
	 *
	 * @uses lucida_before_main action to add it in the header
	 * @since Lucida 0.1
	 */
	function lucida_promotion_headline()
	{
		global $wp_query;
		$options          = lucida_get_theme_options();
		$enable_promotion = $options['promotion_headline_option'];

		// Front page displays in Reading Settings
		$page_for_posts = get_option('page_for_posts');

		// Get Page ID outside Loop
		$page_id = $wp_query->get_queried_object_id();

		if ('entire-site' == $enable_promotion || ((is_front_page() || (is_home() && $page_for_posts != $page_id)) && 'homepage' ==  $enable_promotion)) {
			echo '
			<aside id="promotion-message" role="complementary">
				<div class="wrapper">';

			$headline     = $options['promotion_headline'];
			$sub_headline = $options['promotion_subheadline'];

			echo '
				<section class="promotion-headline-section left widget widget_customizer_text">';

			if ("" != $headline) {
				echo '<h2>' . wp_kses_post($headline) . '</h2>';
			}

			if ("" != $sub_headline) {
				echo '<p>' . wp_kses_post($sub_headline) . '</p>';
			}

			echo '
				</section><!-- .section.left -->';


			$button = $options['promotion_headline_button'];
			$target = $options['promotion_headline_target'];
			$url    = $options['promotion_headline_url'];

			if ("" != $url) {
				if ($target) {
					$headline_target = '_blank';
				} else {
					$headline_target = '_self';
				}

				echo '
					<section class="promotion-headline-section right widget widget_customizer_text">
						<a class="promotion-button" href="' . esc_url($url) . '" target="' . $headline_target . '">' . esc_attr($button) . '
						</a>
					</section><!-- .section.right -->';
			}

			echo '
				</div><!-- .wrapper -->
			</aside><!-- #promotion-message -->';
		}
	}
endif; // lucida_promotion_featured_content
add_action('lucida_header', 'lucida_promotion_headline', 25);


if (! function_exists('lucida_site_generator_start')) :
	/**
	 * Start Header id #masthead and class .wrapper
	 *
	 * @since Lucida 0.1
	 *
	 */
	function lucida_site_generator_start()
	{
			?>
			<div id="site-generator">
				<div class="wrapper">
				<?php
			}
		endif;
		add_action('lucida_footer', 'lucida_site_generator_start', 30);


		/**
		 * Footer Text
		 *
		 * @get footer text from theme options and display them accordingly
		 * @display footer_text
		 * @action lucida_footer
		 *
		 * @since Lucida 0.1
		 */
		function lucida_footer_content()
		{
			//lucida_flush_transients();
			if ((!$output = get_transient('lucida_footer_content'))) {
				$output =  '<div id="footer-content" class="copyright">' . lucida_get_content() . '</div>';

				set_transient('lucida_footer_content', $output, 86940);
			}

			echo $output;
		}
		add_action('lucida_footer', 'lucida_footer_content', 50);


		if (! function_exists('lucida_site_generator_end')) :
			/**
			 * Start Header id #masthead and class .wrapper
			 *
			 * @since Lucida 0.1
			 *
			 */
			function lucida_site_generator_end()
			{
				?>
				</div><!-- .wrapper -->
			</div><!-- #site-generator -->
	<?php
			}
		endif;
		add_action('lucida_footer', 'lucida_site_generator_end', 60);


		/**
		 * Return the first image in a post. Works inside a loop.
		 * @param [integer] $post_id [Post or page id]
		 * @param [string/array] $size Image size. Either a string keyword (thumbnail, medium, large or full) or a 2-item array representing width and height in pixels, e.g. array(32,32).
		 * @param [string/array] $attr Query string or array of attributes.
		 * @return [string] image html
		 *
		 * @since Lucida 0.1
		 */

		function lucida_get_first_image($postID, $size, $attr)
		{
			ob_start();

			ob_end_clean();

			$image 	= '';

			$output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', get_post_field('post_content', $postID), $matches);

			if (isset($matches[1][0])) {
				//Get first image
				$first_img = $matches[1][0];

				return '<img class="pngfix wp-post-image" src="' . $first_img . '">';
			}

			return false;
		}


		if (! function_exists('lucida_scrollup')) {
			/**
			 * This function loads Scroll Up Navigation
			 *
			 * @action lucida_footer action
			 * @uses set_transient and delete_transient
			 */
			function lucida_scrollup()
			{
				//lucida_flush_transients();
				if (!$lucida_scrollup = get_transient('lucida_scrollup')) {

					// get the data value from theme options
					$options = lucida_get_theme_options();
					echo '<!-- refreshing cache -->';

					//site stats, analytics header code
					if (! $options['disable_scrollup']) {
						$lucida_scrollup =  '<a href="#masthead" id="scrollup" class="font-awesome"><span class="screen-reader-text">' . esc_html__('Scroll Up', 'lucida') . '</span></a>';
					}

					set_transient('lucida_scrollup', $lucida_scrollup, 86940);
				}
				echo $lucida_scrollup;
			}
		}
		add_action('lucida_after', 'lucida_scrollup', 10);


		if (! function_exists('lucida_page_post_meta')) :
			/**
			 * Post/Page Meta for Google Structure Data
			 */
			function lucida_page_post_meta()
			{
				$meta = '';

				$categories_list = get_the_category_list(_x(', ', 'Used between list items, there is a space after the comma.', 'lucida'));

				if ($categories_list && lucida_categorized_blog()) {
					$meta .= sprintf(
						'<span class="cat-links">%1$s%2$s</span>',
						sprintf(_x('<span class="screen-reader-text">Categories</span>', 'Used before category names.', 'lucida')),
						$categories_list
					);
				}

				$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';

				if (get_the_time('U') !== get_the_modified_time('U')) {
					$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
				}

				$time_string = sprintf(
					$time_string,
					esc_attr(get_the_date('c')),
					esc_html(get_the_date()),
					esc_attr(get_the_modified_date('c')),
					esc_html(get_the_modified_date())
				);

				$meta .= sprintf(
					'<span class="posted-on">%1$s<a href="%2$s" rel="bookmark">%3$s</a></span>',
					sprintf(__('<span class="screen-reader-text">Posted on</span>', 'lucida')),
					esc_url(get_permalink()),
					$time_string
				);

				return $meta;
			}
		endif; //lucida_page_post_meta


		if (! function_exists('lucida_truncate_phrase')) :
			/**
			 * Return a phrase shortened in length to a maximum number of characters.
			 *
			 * Result will be truncated at the last white space in the original string. In this function the word separator is a
			 * single space. Other white space characters (like newlines and tabs) are ignored.
			 *
			 * If the first `$max_characters` of the string does not contain a space character, an empty string will be returned.
			 *
			 * @since Lucida 0.1
			 *
			 * @param string $text            A string to be shortened.
			 * @param integer $max_characters The maximum number of characters to return.
			 *
			 * @return string Truncated string
			 */
			function lucida_truncate_phrase($text, $max_characters)
			{

				$text = trim($text);

				if (mb_strlen($text) > $max_characters) {
					//* Truncate $text to $max_characters + 1
					$text = mb_substr($text, 0, $max_characters + 1);

					//* Truncate to the last space in the truncated string
					$text = trim(mb_substr($text, 0, mb_strrpos($text, ' ')));
				}

				return $text;
			}
		endif; //lucida_truncate_phrase


		if (! function_exists('lucida_get_the_content_limit')) :
			/**
			 * Return content stripped down and limited content.
			 *
			 * Strips out tags and shortcodes, limits the output to `$max_char` characters, and appends an ellipsis and more link to the end.
			 *
			 * @since Lucida 0.1
			 *
			 * @param integer $max_characters The maximum number of characters to return.
			 * @param string  $more_link_text Optional. Text of the more link. Default is "(more...)".
			 * @param bool    $stripteaser    Optional. Strip teaser content before the more text. Default is false.
			 *
			 * @return string Limited content.
			 */
			function lucida_get_the_content_limit($max_characters, $more_link_text = '(more...)', $stripteaser = false)
			{

				$content = get_the_content('', $stripteaser);

				//* Strip tags and shortcodes so the content truncation count is done correctly
				$content = strip_tags(strip_shortcodes($content), apply_filters('get_the_content_limit_allowedtags', '<script>,<style>'));

				//* Remove inline styles / scripts
				$content = trim(preg_replace('#<(s(cript|tyle)).*?</\1>#si', '', $content));

				//* Truncate $content to $max_char
				$content = lucida_truncate_phrase($content, $max_characters);

				//* More link?
				if ($more_link_text) {
					$link   = apply_filters('get_the_content_more_link', sprintf('<a href="%s" class="more-link">%s</a>', esc_url(get_permalink()), $more_link_text), $more_link_text);
					$output = sprintf('<p>%s %s</p>', $content, $link);
				} else {
					$output = sprintf('<p>%s</p>', $content);
					$link = '';
				}

				return apply_filters('lucida_get_the_content_limit', $output, $content, $link, $max_characters);
			}
		endif; //lucida_get_the_content_limit


		if (! function_exists('lucida_post_navigation')) :
			/**
			 * Displays Single post Navigation
			 *
			 * @uses  the_post_navigation
			 *
			 * @action lucida_after_post
			 *
			 * @since Lucida 0.1
			 */
			function lucida_post_navigation()
			{
				// Previous/next post navigation.
				the_post_navigation(array(
					'next_text' => '<span class="meta-nav" aria-hidden="true">' . __('Next &rarr;', 'lucida') . '</span> ' .
						'<span class="screen-reader-text">' . __('Next post:', 'lucida') . '</span> ' .
						'<span class="post-title">%title</span>',
					'prev_text' => '<span class="meta-nav" aria-hidden="true">' . __('&larr; Previous', 'lucida') . '</span> ' .
						'<span class="screen-reader-text">' . __('Previous post:', 'lucida') . '</span> ' .
						'<span class="post-title">%title</span>',
				));
			}
		endif; //lucida_post_navigation
		add_action('lucida_after_post', 'lucida_post_navigation', 10);



		if (! function_exists('lucida_date')) :
			/**
			 * Displays Date
			 *
			 * @uses  date_i18n
			 *
			 * default load in lucida_header_top function
			 *
			 * @since Lucida 0.1
			 */
			function lucida_date()
			{
				$options	= lucida_get_theme_options();
				if ($options['disable_date']) {
					//Bail if date is disabled
					return;
				}

				echo '<div class="date ctdate">' . date_i18n('l, F j, Y') . '</div>';
			}
		endif;  //lucida_date


		/**
		 * Display Multiple Select type for and array of categories
		 *
		 * @param  [string] $name  [field name]
		 * @param  [string] $id    [field_id]
		 * @param  [array] $selected    [selected values]
		 * @param  string $label [label of the field]
		 */
		function lucida_dropdown_categories($name, $id, $selected, $label = '')
		{
			$dropdown = wp_dropdown_categories(
				array(
					'name'             => $name,
					'echo'             => 0,
					'hide_empty'       => false,
					'show_option_none' => false,
					'hierarchical'       => 1,
				)
			);

			if ('' != $label) {
				echo '<label for="' . $id . '">
			' . $label . '
			</label>';
			}

			$dropdown = str_replace('<select', '<select multiple = "multiple" style = "height:120px; width: 100%" ', $dropdown);

			foreach ($selected as $selected) {
				$dropdown = str_replace('value="' . $selected . '"', 'value="' . $selected . '" selected="selected"', $dropdown);
			}

			echo $dropdown;

			echo '<span class="description">' . esc_html__('Hold down the Ctrl (windows) / Command (Mac) button to select multiple options.', 'lucida') . '</span>';
		}


		/**
		 * Return registered image sizes.
		 *
		 * Return a two-dimensional array of just the additionally registered image sizes, with width, height and crop sub-keys.
		 *
		 * @since 0.1.7
		 *
		 * @global array $_wp_additional_image_sizes Additionally registered image sizes.
		 *
		 * @return array Two-dimensional, with width, height and crop sub-keys.
		 */
		function lucida_get_additional_image_sizes()
		{
			global $_wp_additional_image_sizes;

			if ($_wp_additional_image_sizes)
				return $_wp_additional_image_sizes;

			return array();
		}


		/**
		 * Migrate Custom CSS to WordPress core Custom CSS
		 *
		 * Runs if version number saved in theme_mod "custom_css_version" doesn't match current theme version.
		 */
		function lucida_custom_css_migrate()
		{
			$ver = get_theme_mod('custom_css_version', false);

			// Return if update has already been run
			if (version_compare($ver, '4.7') >= 0) {
				return;
			}

			if (function_exists('wp_update_custom_css_post')) {
				// Migrate any existing theme CSS to the core option added in WordPress 4.7.

				/**
				 * Get Theme Options Values
				 */
				$options = lucida_get_theme_options();

				if ('' != $options['custom_css']) {
					$core_css = wp_get_custom_css(); // Preserve any CSS already added to the core option.
					$return   = wp_update_custom_css_post($core_css . $options['custom_css']);
					if (! is_wp_error($return)) {
						// Remove the old theme_mod, so that the CSS is stored in only one place moving forward.
						unset($options['custom_css']);
						set_theme_mod('lucida_theme_options', $options);

						// Update to match custom_css_version so that script is not executed continously
						set_theme_mod('custom_css_version', '4.7');
					}
				}
			}
		}
		add_action('after_setup_theme', 'lucida_custom_css_migrate');

		if (! function_exists('lucida_blocks_support')) :
			/**
			 * Create add default blocks support
			 */
			function lucida_blocks_support()
			{
				// Add support for Block Styles.
				add_theme_support('wp-block-styles');

				// Add support for full and wide align images.
				add_theme_support('align-wide');

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

				// Add support for responsive embeds.
				add_theme_support('responsive-embeds');

				// Add custom editor font sizes.
				add_theme_support(
					'editor-font-sizes',
					array(
						array(
							'name'      => esc_html__('Small', 'lucida'),
							'shortName' => esc_html__('S', 'lucida'),
							'size'      => 14,
							'slug'      => 'small',
						),
						array(
							'name'      => esc_html__('Normal', 'lucida'),
							'shortName' => esc_html__('M', 'lucida'),
							'size'      => 18,
							'slug'      => 'normal',
						),
						array(
							'name'      => esc_html__('Large', 'lucida'),
							'shortName' => esc_html__('L', 'lucida'),
							'size'      => 42,
							'slug'      => 'large',
						),
						array(
							'name'      => esc_html__('Huge', 'lucida'),
							'shortName' => esc_html__('XL', 'lucida'),
							'size'      => 54,
							'slug'      => 'huge',
						),
					)
				);

				// Add support for custom color scheme.
				add_theme_support('editor-color-palette', array(
					array(
						'name'  => __('White', 'lucida'),
						'slug'  => 'white',
						'color' => '#ffffff',
					),
					array(
						'name'  => __('Black', 'lucida'),
						'slug'  => 'black',
						'color' => '#111111',
					),
					array(
						'name'  => __('Gray', 'lucida'),
						'slug'  => 'gray',
						'color' => '#f4f4f4',
					),
					array(
						'name'  => esc_html__('Blue', 'lucida'),
						'slug'  => 'blue',
						'color' => '#1b8be0',
					),
					array(
						'name'  => esc_html__('Orange', 'lucida'),
						'slug'  => 'orange',
						'color' => '#e7b507',
					),
					array(
						'name'  => esc_html__('Soft Red', 'lucida'),
						'slug'  => 'soft-red',
						'color' => '#f45050',
					),
				));
			}
			add_action('after_setup_theme', 'lucida_blocks_support', 20);
		endif; //lucida_blocks_support

		if (! function_exists('lucida_add_blocks_style')) :
			/**
			 * Add Blocks Style
			 */
			function lucida_add_blocks_style()
			{
				// Theme block stylesheet.
				wp_enqueue_style('lucida-block-style', get_theme_file_uri('/css/blocks.css'), array('lucida-style'), date('Ymd-Gis', filemtime(get_template_directory() . '/css/blocks.css')));
			}
			add_action('wp_enqueue_scripts', 'lucida_add_blocks_style');
		endif; //lucida_add_blocks_style

		if (! function_exists('lucida_block_editor_styles')) :
			/**
			 * Enqueue editor styles for Blocks
			 */
			function lucida_block_editor_styles()
			{
				// Block styles.
				wp_enqueue_style('lucida-block-editor-style', get_theme_file_uri('/css/editor-blocks.css'), null, date('Ymd-Gis', filemtime(get_template_directory() . '/css/editor-blocks.css')));

				// Add custom fonts.
				wp_enqueue_style('lucida-fonts', lucida_fonts_url(), array(), null);
			}
			add_action('enqueue_block_editor_assets', 'lucida_block_editor_styles');
		endif; //lucida_block_editor_styles
