<?php

/**
 * Core functions and definitions
 *
 * Sets up the theme
 *
 * The first function, gridalicious_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.
 *
 * Gridalicious functions and definitions
 *
 * @package Catch Themes
 * @subpackage Gridalicious
 * @since Gridalicious 0.1
 */

if (! function_exists('gridalicious_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 gridalicious_content_width()
	{
		$content_width = 780; /* pixels */

		$GLOBALS['content_width'] = apply_filters('gridalicious_content_width', $content_width);
	}
endif;
add_action('after_setup_theme', 'gridalicious_content_width', 0);


if (! function_exists('gridalicious_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 gridalicious_setup()
	{
		/**
		 * Get Theme Options Values
		 */
		$options 	= gridalicious_get_theme_options();

		/**
		 * Make theme available for translation
		 * Translations can be filed in the /languages/ directory
		 * If you're building a theme based on gridalicious, use a find and replace
		 * to change 'gridalicious' to the name of your theme in all the template files
		 */
		load_theme_textdomain('gridalicious', 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 Gridalicious custom image sizes uses Ratio 16:9
		add_image_size('gridalicious-featured', 780, 439, true);
		// Used for Featured Grid Content - 1st Image
		add_image_size('gridalicious-featured-grid', 800, 450, true);
		// Used for Featured Content, Featured Grid Content and Archive/blog Featured Image
		add_image_size('gridalicious-featured-content', 400, 225, true);
		// Featured Header Image
		add_image_size('gridalicious-featured-header', 1200, 514, true);

		/**
		 * This theme uses wp_nav_menu() in one location.
		 */
		register_nav_menus(array(
			'primary' 	=> __('Primary Menu', 'gridalicious'),
			'secondary' => __('Secondary Menu', 'gridalicious'),
		));

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

		/**
		 * Setup the WordPress core custom background feature.
		 */
		if ($options['color_scheme'] != 'light') {
			$default_color = '111';
		} else {
			$default_color = 'f2f2f2';
		}
		add_theme_support('custom-background', apply_filters('gridalicious_custom_background_args', array(
			'default-color' => $default_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');

		//@remove Remove check when WordPress 4.8 is released
		if (function_exists('has_custom_logo')) {
			/**
			 * 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'
			));
		} else if ('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; // gridalicious_setup
add_action('after_setup_theme', 'gridalicious_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  Gridalicious 1.0
 */
function gridalicious_scripts()
{
	$options = gridalicious_get_theme_options();

	wp_enqueue_style('gridalicious-style', get_stylesheet_uri(), null, date('Ymd-Gis', filemtime(get_template_directory() . '/style.css')));

	wp_enqueue_script('gridalicious-navigation', trailingslashit(esc_url(get_template_directory_uri())) . 'js/navigation.min.js', array(), '20120206', true);

	wp_enqueue_script('gridalicious-skip-link-focus-fix', trailingslashit(esc_url(get_template_directory_uri())) . 'js/skip-link-focus-fix.min.js', array(), '20130115', 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 gridalicious.
	 */
	if ($options['color_scheme'] != 'light')
		wp_enqueue_style('gricalicious-dark', trailingslashit(esc_url(get_template_directory_uri())) . 'css/colors/' . $options['color_scheme'] . '.css', array(), null);

	/**
	 * Loads up Responsive stylesheet and Menu JS
	 */
	wp_enqueue_style('gridalicious-responsive', trailingslashit(esc_url(get_template_directory_uri())) . 'css/responsive.css');

	//Responsive Menu
	wp_enqueue_script('jquery-sidr', trailingslashit(esc_url(get_template_directory_uri())) . 'js/jquery.sidr.min.js', array('jquery'), '2.2.1.1 - 2016-03-04', false);

	wp_enqueue_script('jquery-fitvids', trailingslashit(esc_url(get_template_directory_uri())) . 'js/fitvids.min.js', array('jquery'), '1.1', true);

	/**
	 * Loads default sidr color scheme styles(Does not require handle prefix)
	 */
	if (isset($options['color_scheme']) && ('dark' == $options['color_scheme'])) {
		wp_enqueue_style('jquery-sidr', trailingslashit(esc_url(get_template_directory_uri())) . 'css/jquery.sidr.dark.min.css', false, '2.1.0');
	} else if (isset($options['color_scheme']) && ('light' == $options['color_scheme'])) {
		wp_enqueue_style('jquery-sidr', trailingslashit(esc_url(get_template_directory_uri())) . 'css/jquery.sidr.light.min.css', false, '2.1.0');
	}

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

	/**
	 * Enqueue custom script for gridalicious.
	 */
	wp_enqueue_script('gridalicious-custom-scripts', trailingslashit(esc_url(get_template_directory_uri())) . 'js/gridalicious-custom-scripts.min.js', array('jquery'), null);
}
add_action('wp_enqueue_scripts', 'gridalicious_scripts');

if (! function_exists('gridalicious_blocks_support')) :
	/**
	 * Create add default blocks support
	 */
	function gridalicious_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', 'gridalicious'),
					'shortName' => esc_html__('S', 'gridalicious'),
					'size'      => 14,
					'slug'      => 'small',
				),
				array(
					'name'      => esc_html__('Normal', 'gridalicious'),
					'shortName' => esc_html__('M', 'gridalicious'),
					'size'      => 18,
					'slug'      => 'normal',
				),
				array(
					'name'      => esc_html__('Large', 'gridalicious'),
					'shortName' => esc_html__('L', 'gridalicious'),
					'size'      => 42,
					'slug'      => 'large',
				),
				array(
					'name'      => esc_html__('Huge', 'gridalicious'),
					'shortName' => esc_html__('XL', 'gridalicious'),
					'size'      => 54,
					'slug'      => 'huge',
				),
			)
		);

		// Add support for custom color scheme.
		add_theme_support('editor-color-palette', array(
			array(
				'name'  => esc_html__('White', 'gridalicious'),
				'slug'  => 'white',
				'color' => '#ffffff',
			),
			array(
				'name'  => esc_html__('Black', 'gridalicious'),
				'slug'  => 'black',
				'color' => '#111111',
			),
			array(
				'name'  => esc_html__('Gray', 'gridalicious'),
				'slug'  => 'gray',
				'color' => '#f4f4f4',
			),
			array(
				'name'  => esc_html__('Blue', 'gridalicious'),
				'slug'  => 'blue',
				'color' => '21759b',
			),
			array(
				'name'  => esc_html__('Orange', 'gridalicious'),
				'slug'  => 'orange',
				'color' => '#e5ae4a',
			),
		));
	}
	add_action('after_setup_theme', 'gridalicious_blocks_support', 20);
endif; //gridalicious_blocks_support

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

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

/**
 * 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 Gridalicious 0.1
 */
/**
 * Default Options.
 */
require trailingslashit(get_template_directory()) . 'inc/gridalicious-default-options.php';

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


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


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


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


/**
 * Load Featured Grid file.
 */
require trailingslashit(get_template_directory()) . 'inc/gridalicious-featured-grid-content.php';


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


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


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


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


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


/**
 * Returns the options array for gridalicious.
 * @uses  get_theme_mod
 *
 * @since Gridalicious 0.1
 */
function gridalicious_get_theme_options()
{
	$gridalicious_default_options = gridalicious_get_default_theme_options();

	return array_merge($gridalicious_default_options, get_theme_mod('gridalicious_theme_options', $gridalicious_default_options));
}


/**
 * Flush out all transients
 *
 * @uses delete_transient
 *
 * @action customize_save, gridalicious_customize_preview (see gridalicious_customizer function: gridalicious_customize_preview)
 *
 * @since  Gridalicious 1.0
 */
function gridalicious_flush_transients()
{
	delete_transient('gridalicious_featured_content');

	delete_transient('gridalicious_featured_grid_content');

	delete_transient('gridalicious_custom_css');

	delete_transient('gridalicious_footer_content');

	delete_transient('gridalicious_promotion_headline');

	delete_transient('gridalicious_featured_image');

	delete_transient('gridalicious_social_icons');

	delete_transient('gridalicious_scrollup');

	delete_transient('all_the_cool_cats');

	//Add Gridalicious default themes if there is no values
	if (!get_theme_mod('gridalicious_theme_options')) {
		set_theme_mod('gridalicious_theme_options', gridalicious_get_default_theme_options());
	}
}
add_action('customize_save', 'gridalicious_flush_transients');

/**
 * Flush out category transients
 *
 * @uses delete_transient
 *
 * @action edit_category
 *
 * @since  Gridalicious 1.0
 */
function gridalicious_flush_category_transients()
{
	delete_transient('all_the_cool_cats');
}
add_action('edit_category', 'gridalicious_flush_category_transients');


/**
 * Flush out post related transients
 *
 * @uses delete_transient
 *
 * @action save_post
 *
 * @since  Gridalicious 1.0
 */
function gridalicious_flush_post_transients()
{
	delete_transient('gridalicious_featured_content');

	delete_transient('gridalicious_featured_grid_content');

	delete_transient('gridalicious_featured_image');

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


if (! function_exists('gridalicious_custom_css')) :
	/**
	 * Enqueue Custon CSS
	 *
	 * @uses  set_transient, wp_head, wp_enqueue_style
	 *
	 * @action wp_enqueue_scripts
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_custom_css()
	{
		//gridalicious_flush_transients();
		$options 	= gridalicious_get_theme_options();

		$defaults 	= gridalicious_get_default_theme_options();

		if ((!$gridalicious_custom_css = get_transient('gridalicious_custom_css'))) {
			$gridalicious_custom_css = '';

			// Has the text been hidden?
			if (! display_header_text()) {
				$gridalicious_custom_css    .=  ".site-title a, .site-description { position: absolute !important; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px); }" . "\n";
			}


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

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

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

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

			set_transient('gridalicious_custom_css', htmlspecialchars_decode($gridalicious_custom_css), 86940);
		}

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


if (! function_exists('gridalicious_content_nav')) :
	/**
	 * Display navigation to next/previous pages when applicable
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_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			= gridalicious_get_theme_options();

		$pagination_type	= $options['pagination_type'];

		$nav_class = (is_single()) ? 'site-navigation post-navigation' : 'site-navigation paging-navigation';

		/**
		 * 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;
		}

?>
		<nav role="navigation" id="<?php echo esc_attr($nav_id); ?>">
			<h3 class="screen-reader-text"><?php _e('Post navigation', 'gridalicious'); ?></h3>
			<?php
			/**
			 * Check if navigation type is numeric and if Wp-PageNavi Plugin is enabled
			 */
			if ('numeric' == $pagination_type && function_exists('wp_pagenavi')) {
				wp_pagenavi();
			} else { ?>
				<div class="nav-previous"><?php next_posts_link(__('<span class="meta-nav">&larr;</span> Older posts', 'gridalicious')); ?></div>
				<div class="nav-next"><?php previous_posts_link(__('Newer posts <span class="meta-nav">&rarr;</span>', 'gridalicious')); ?></div>
			<?php
			} ?>
		</nav><!-- #nav -->
		<?php
	}
endif; // gridalicious_content_nav


if (! function_exists('gridalicious_comment')) :
	/**
	 * Template for comments and pingbacks.
	 *
	 * Used as a callback by wp_list_comments() for displaying the comments.
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_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 _e('Pingback:', 'gridalicious'); ?> <?php comment_author_link(); ?> <?php edit_comment_link(__('Edit', 'gridalicious'), '<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>', 'gridalicious'), 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', 'gridalicious'), get_comment_date(), get_comment_time()); ?>
								</time>
							</a>
							<?php edit_comment_link(__('Edit', 'gridalicious'), '<span class="edit-link">', '</span>'); ?>
						</div><!-- .comment-metadata -->

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

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

					<?php
					comment_reply_link(array_merge($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; // gridalicious_comment()


if (! function_exists('gridalicious_the_attached_image')) :
	/**
	 * Prints the attached image with a link to the next attached image.
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_the_attached_image()
	{
		$post                = get_post();
		$attachment_size     = apply_filters('gridalicious_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; //gridalicious_the_attached_image


if (! function_exists('gridalicious_entry_meta')) :
	/**
	 * Prints HTML with meta information for the current post-date/time and author.
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_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(__('<span class="screen-reader-text">Posted on</span>', 'gridalicious')),
			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.', 'gridalicious')),
				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', 'gridalicious'), esc_html__('1 Comment', 'gridalicious'), esc_html__('% Comments', 'gridalicious'));
			echo '</span>';
		}

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

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


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

		if ('post' == get_post_type()) {
			$categories_list = get_the_category_list(_x(', ', 'Used between list items, there is a space after the comma.', 'gridalicious'));
			if ($categories_list && gridalicious_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.', 'gridalicious')),
					$categories_list
				);
			}

			$tags_list = get_the_tag_list('', _x(', ', 'Used between list items, there is a space after the comma.', 'gridalicious'));
			if ($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.', 'gridalicious')),
					$tags_list
				);
			}
		}

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


if (! function_exists('gridalicious_categorized_blog')) :
	/**
	 * Returns true if a blog has more than 1 category
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_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 gridalicious_categorized_blog should return true
			return true;
		} else {
			// This blog has only 1 category so gridalicious_categorized_blog should return false
			return false;
		}
	}
endif; //gridalicious_categorized_blog


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


/**
 * Filter in a link to a content ID attribute for the next/previous image links on image attachment pages
 *
 * @since Gridalicious 0.1
 */
function gridalicious_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', 'gridalicious_enhanced_image_navigation', 10, 2);


/**
 * Count the number of footer sidebars to enable dynamic classes for the footer
 *
 * @since Gridalicious 0.1
 */
function gridalicious_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 = 'one';
			break;
		case '2':
			$class = 'two';
			break;
		case '3':
			$class = 'three';
			break;
		case '4':
			$class = 'four';
			break;
	}

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


if (! function_exists('gridalicious_excerpt_length')) :
	/**
	 * Sets the post excerpt length to n words.
	 *
	 * function tied to the excerpt_length filter hook.
	 * @uses filter excerpt_length
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_excerpt_length($length)
	{
		// Getting data from Customizer Options
		$options	= gridalicious_get_theme_options();
		$length	= $options['excerpt_length'];
		return $length;
	}
endif; //gridalicious_excerpt_length
add_filter('excerpt_length', 'gridalicious_excerpt_length');


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

		return ' <a class="more-link" href="' . esc_url(get_permalink()) . '">' .  $more_tag_text . '</a>';
	}
endif; //gridalicious_continue_reading
add_filter('excerpt_more', 'gridalicious_continue_reading');


if (! function_exists('gridalicious_excerpt_more')) :
	/**
	 * Replaces "[...]" (appended to automatically generated excerpts) with gridalicious_continue_reading().
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_excerpt_more($more)
	{
		return gridalicious_continue_reading();
	}
endif; //gridalicious_excerpt_more
add_filter('excerpt_more', 'gridalicious_excerpt_more');


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


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

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


if (! function_exists('gridalicious_body_classes')) :
	/**
	 * Adds Gridalicious layout classes to the array of body classes.
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_body_classes($classes)
	{
		$options = gridalicious_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 = gridalicious_get_theme_layout();

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

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

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

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

		//Count number of menus avaliable and set class accordingly
		$mobile_menu_count = 1; // For primary menu

		if (has_nav_menu('secondary')) {
			$mobile_menu_count++;
		}

		if (has_nav_menu('header-right')) {
			$mobile_menu_count++;
		}

		switch ($mobile_menu_count) {
			case 1:
				$classes[] = 'mobile-menu-one';
				break;

			case 2:
				$classes[] = 'mobile-menu-two';
				break;

			case 3:
				$classes[] = 'mobile-menu-three';
				break;
		}

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

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


if (! function_exists('gridalicious_post_classes')) :
	/**
	 * Adds Gridalicious post classes to the array of post classes.
	 * used for supporting different content layouts
	 *
	 * @since Gridalicious 1.0
	 */
	function gridalicious_post_classes($classes)
	{
		//Getting Ready to load data from Theme Options Panel
		$options 		= gridalicious_get_theme_options();

		$contentlayout = $options['content_layout'];

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

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


if (! function_exists('gridalicious_responsive')) :
	/**
	 * Responsive Layout
	 *
	 * @get the data value of responsive layout from theme options
	 * @display responsive meta tag
	 * @action wp_head
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_responsive()
	{
		$gridalicious_responsive = '<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1">';

		echo $gridalicious_responsive;
	}
endif; //gridalicious_responsive
add_filter('wp_head', 'gridalicious_responsive', 1);


if (! function_exists('gridalicious_get_theme_layout')) :
	/**
	 * Returns Theme Layout prioritizing the meta box layouts
	 *
	 * @uses  get_theme_mod
	 *
	 * @action wp_head
	 *
	 * @since Full Frame 2.3
	 */
	function gridalicious_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;
		} else if (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, 'gridalicious-layout-option', true);
		} else {
			$layout = 'default';
		}

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

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

		return $layout;
	}
endif; //gridalicious_get_theme_layout


if (! function_exists('gridalicious_archive_content_image')) :
	/**
	 * Template for Featured Image in Archive Content
	 *
	 * To override this in a child theme
	 * simply create your own gridalicious_archive_content_image(), and that function will be used instead.
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_archive_content_image()
	{
		$options = gridalicious_get_theme_options();

		$featured_image = $options['content_layout'];

		if (has_post_thumbnail() && 'excerpt-image-left' == $featured_image) {
			?>
				<figure class="featured-image <?php echo $featured_image; ?>">
					<a rel="bookmark" href="<?php the_permalink(); ?>">
						<?php
						the_post_thumbnail('gridalicious-featured-content');
						?>
					</a>
				</figure>
			<?php
		}
	}
endif; //gridalicious_archive_content_image
add_action('gridalicious_before_entry_container', 'gridalicious_archive_content_image', 10);


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

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

		$featured_image = $options['single_post_image_layout'];

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

		if ($post) {
			if (is_attachment()) {
				$parent = $post->post_parent;
				$individual_featured_image = get_post_meta($parent, 'gridalicious-featured-image', true);
			} else {
				$individual_featured_image = get_post_meta($page_id, 'gridalicious-featured-image', true);
			}
		}

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

		if (('disable' == $individual_featured_image  || '' == get_the_post_thumbnail() || ($individual_featured_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_featured_image) {
				$class = $featured_image;
			} else {
				$class = 'from-metabox ' . $individual_featured_image;
			}

			?>
				<figure class="featured-image <?php echo $class; ?>">
					<?php
					if ('featured' == $individual_featured_image  || ($individual_featured_image == 'default' && 'featured' == $featured_image)) {
						the_post_thumbnail('gridalicious-featured');
					} else {
						the_post_thumbnail('full');
					} ?>
				</figure>
	<?php
		}
	}
endif; //gridalicious_single_content_image
add_action('gridalicious_before_post_container', 'gridalicious_single_content_image', 10);
add_action('gridalicious_before_page_container', 'gridalicious_single_content_image', 10);


if (! function_exists('gridalicious_get_comment_section')) :
	/**
	 * Comment Section
	 *
	 * @display comments_template
	 * @action gridalicious_comment_section
	 *
	 * @since Gridalicious 0.1
	 */
	function gridalicious_get_comment_section()
	{
		if (comments_open() || '0' != get_comments_number())
			comments_template();
	}
endif;
add_action('gridalicious_comment_section', 'gridalicious_get_comment_section', 10);


if (! function_exists('gridalicious_promotion_headline')) :
	/**
	 * Template for Promotion Headline
	 *
	 * To override this in a child theme
	 * simply create your own gridalicious_promotion_headline(), and that function will be used instead.
	 *
	 * @uses gridalicious_before_main action to add it in the header
	 * @since Gridalicious 0.1
	 */
	function gridalicious_promotion_headline()
	{
		//delete_transient( 'gridalicious_promotion_headline' );

		global $post, $wp_query;
		$options 	= gridalicious_get_theme_options();

		$promotion_headline 		= $options['promotion_headline'];
		$promotion_subheadline 		= $options['promotion_subheadline'];
		$promotion_headline_button 	= $options['promotion_headline_button'];
		$promotion_headline_target 	= $options['promotion_headline_target'];
		$enablepromotion 			= $options['promotion_headline_option'];

		//support qTranslate plugin
		if (function_exists('qtrans_convertURL')) {
			$promotion_headline_url = qtrans_convertURL($options['promotion_headline_url']);
		} else {
			$promotion_headline_url = $options['promotion_headline_url'];
		}

		// 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();

		if (("" != $promotion_headline || "" != $promotion_subheadline || "" != $promotion_headline_url) && ('entire-site' == $enablepromotion  || ((is_front_page() || (is_home() && $page_for_posts != $page_id)) && 'homepage' == $enablepromotion))) {

			if (!$gridalicious_promotion_headline = get_transient('gridalicious_promotion_headline')) {

				echo '<!-- refreshing cache -->';

				$gridalicious_promotion_headline = '
				<div id="promotion-message">
					<div class="wrapper">
						<div class="section left">';

				if ("" != $promotion_headline) {
					$gridalicious_promotion_headline .= '<h2>' . $promotion_headline . '</h2>';
				}

				if ("" != $promotion_subheadline) {
					$gridalicious_promotion_headline .= '<p>' . $promotion_subheadline . '</p>';
				}

				$gridalicious_promotion_headline .= '
						</div><!-- .section.left -->';

				if ("" != $promotion_headline_url) {
					if ("1" == $promotion_headline_target) {
						$headlinetarget = '_blank';
					} else {
						$headlinetarget = '_self';
					}

					$gridalicious_promotion_headline .= '
							<div class="section right">
								<a href="' . esc_url($promotion_headline_url) . '" target="' . $headlinetarget . '">' . esc_html($promotion_headline_button) . '
								</a>
							</div><!-- .section.right -->';
				}

				$gridalicious_promotion_headline .= '
					</div><!-- .wrapper -->
				</div><!-- #promotion-message -->';

				set_transient('gridalicious_promotion_headline', $gridalicious_promotion_headline, 86940);
			}
			echo $gridalicious_promotion_headline;
		}
	}
endif; // gridalicious_promotion_featured_content
add_action('gridalicious_before_content', 'gridalicious_promotion_headline', 30);


/**
 * Footer Text
 *
 * @get footer text from theme options and display them accordingly
 * @display footer_text
 * @action gridalicious_footer
 *
 * @since Gridalicious 0.1
 */
function gridalicious_footer_content()
{
	//gridalicious_flush_transients();
	if ((!$gridalicious_footer_content = get_transient('gridalicious_footer_content'))) {
		echo '<!-- refreshing cache -->';

		$gridalicious_content = gridalicious_get_content();

		$gridalicious_footer_content =  '
    	<div id="site-generator" class="two">
    		<div class="wrapper">
    			<div id="footer-left-content" class="copyright">' . $gridalicious_content['left'] . '</div>

    			<div id="footer-right-content" class="powered">' . $gridalicious_content['right'] . '</div>
			</div><!-- .wrapper -->
		</div><!-- #site-generator -->';

		set_transient('gridalicious_footer_content', $gridalicious_footer_content, 86940);
	}

	echo $gridalicious_footer_content;
}
add_action('gridalicious_footer', 'gridalicious_footer_content', 100);


/**
 * 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 Gridalicious 0.1
 */

function gridalicious_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="' . esc_url($first_img) . '">';
	} else {
		return false;
	}
}


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

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

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

			set_transient('gridalicious_scrollup', $gridalicious_scrollup, 86940);
		}
		echo $gridalicious_scrollup;
	}
}
add_action('gridalicious_after', 'gridalicious_scrollup', 10);


if (! function_exists('gridalicious_page_post_meta')) :
	/**
	 * Post/Page Meta for Google Structure Data
	 */
	function gridalicious_page_post_meta()
	{
		$gridalicious_author_url = esc_url(get_author_posts_url(get_the_author_meta("ID")));

		$gridalicious_page_post_meta = '<span class="post-time">' . __('Posted on', 'gridalicious') . ' <time class="entry-date updated" datetime="' . esc_attr(get_the_date('c')) . '" pubdate>' . esc_html(get_the_date()) . '</time></span>';
		$gridalicious_page_post_meta .= '<span class="post-author">' . __('By', 'gridalicious') . ' <span class="author vcard"><a class="url fn n" href="' . $gridalicious_author_url . '" title="View all posts by ' . esc_attr(get_the_author()) . '" rel="author">' . esc_html(get_the_author()) . '</a></span>';

		return $gridalicious_page_post_meta;
	}
endif; //gridalicious_page_post_meta


if (! function_exists('gridalicious_alter_home')) :
	/**
	 * Alter the query for the main loop in homepage
	 *
	 * @action pre_get_posts action
	 */
	function gridalicious_alter_home($query)
	{
		if ($query->is_main_query() && $query->is_home()) {
			$options = gridalicious_get_theme_options();

			$cats = $options['front_page_category'];

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


if (! function_exists('gridalicious_post_navigation')) :
	/**
	 * Displays Single post Navigation
	 *
	 * @uses  the_post_navigation
	 *
	 * @action gridalicious_after_post
	 *
	 * @since Gridalicious 1.2
	 */
	function gridalicious_post_navigation()
	{
		// Previous/next post navigation.
		the_post_navigation(array(
			'next_text' => '<span class="meta-nav" aria-hidden="true">' . __('Next &rarr;', 'gridalicious') . '</span> ' .
				'<span class="screen-reader-text">' . __('Next post:', 'gridalicious') . '</span> ' .
				'<span class="post-title">%title</span>',
			'prev_text' => '<span class="meta-nav" aria-hidden="true">' . __('&larr; Previous', 'gridalicious') . '</span> ' .
				'<span class="screen-reader-text">' . __('Previous post:', 'gridalicious') . '</span> ' .
				'<span class="post-title">%title</span>',
		));
	}
endif; //gridalicious_post_navigation
add_action('gridalicious_after_post', 'gridalicious_post_navigation', 10);

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

	// Return if update has already been run
	if (version_compare($ver, '2.8') >= 0) {
		return;
	}

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

	// If a logo has been set previously, update to use logo feature introduced in WordPress 4.5
	if (function_exists('the_custom_logo')) {
		if (isset($options['logo']) && '' != $options['logo']) {
			// Since previous logo was stored a URL, convert it to an attachment ID
			$logo = attachment_url_to_postid($options['logo']);

			if (is_int($logo)) {
				set_theme_mod('custom_logo', $logo);
			}
		}

		// Update to match logo_version so that script is not executed continously
		set_theme_mod('logo_version', '2.8');
	}
}
add_action('after_setup_theme', 'gridalicious_logo_migrate');


/**
 * 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 gridalicious_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 = gridalicious_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('gridalicious_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', 'gridalicious_custom_css_migrate');
