<?php
/**
 * AMP WP Template Functions
 *
 * General core functions available on both the front-end and admin.
 *
 * @category 	Template
 * @package 	Amp_WP/Functions
 * @version     1.0.0
 * @author      Pixelative <mohsin@pixelative.co>
 * @copyright   Copyright (c) 2018, Pixelative
 */
// Add Ads into AMP WP Ads Manager panel if that was available
if (is_amp_wp_ads_manager_plugin_active()) {
	amp_wp_template_part('ads');
}

if (!defined('ABSPATH')) {
	exit;
} // Exit if accessed directly.

add_image_size('amp-wp-small', 100, 100, array('center', 'center'));  // Main Post Image In Small Width
add_image_size('amp-wp-large', 738, 430, array('center', 'center'));  // Main Post Image In Full Width
add_image_size('amp-wp-normal', 230, 160, array('center', 'center'));  // Main Post Image In Normal Width

register_nav_menus(array('amp-wp-sidebar-nav' => __('AMP Sidebar', 'amp-wp')));
register_nav_menus(array('amp-wp-footer' => __('AMP Footer Menu', 'amp-wp')));

// Hook to enqueue style
add_action('amp_wp_template_head', 'amp_wp_enqueue_styles', 0);

if (!function_exists('amp_wp_language_attributes')) :

	/**
	 * Get the Language Attributes for the HTML Tag.
	 *
	 * @version 1.0.0
	 * @since   1.0.0
	 */
	function amp_wp_language_attributes() {
		$attributes = array();
		if (function_exists('is_rtl') && is_rtl()) {
			$attributes[] = 'dir="rtl"';
		}
		if ($lang = get_bloginfo('language')) {
			$attributes[] = "lang=\"$lang\"";
		}
		$output = implode(' ', $attributes);
		echo $output;
	}

endif;

if (!function_exists('amp_wp_enqueue_styles')) :

	/**
	 * Enqueue Static File for AMP Version
	 * 
	 * @version 1.0.0
	 * @since   1.0.0
	 */
	function amp_wp_enqueue_styles() {
		amp_wp_enqueue_style('amp-wp-font-awesome', 'https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css');
		amp_wp_enqueue_style('amp-wp-google-fonts', 'https://fonts.googleapis.com/css?family=Karla|Noto+Sans:700|Overpass+Mono');
		amp_wp_enqueue_block_style('normalize', '../css/normalize', false); // Normalize without RTL
		amp_wp_enqueue_block_style('style', '../css/style');
	}

endif;

if (!function_exists('amp_wp_enqueue_static')) :

	/**
	 * Enqueue Static File for AMP Version
	 * 
	 * @version 1.0.0
	 * @since   1.0.0
	 */
	function amp_wp_enqueue_static() {
		if (amp_wp_get_theme_mod('amp-wp-sidebar-show')) {
			amp_wp_enqueue_script('amp-sidebar', 'https://cdn.ampproject.org/v0/amp-sidebar-0.1.js');
		}

		if (
				amp_wp_get_theme_mod('amp-wp-ga-switch') ||
				amp_wp_get_theme_mod('amp-wp-fbp-switch') ||
				amp_wp_get_theme_mod('amp-wp-sa-switch') ||
				amp_wp_get_theme_mod('amp-wp-qc-switch')
		) {
			amp_wp_enqueue_script('amp-analytics', 'https://cdn.ampproject.org/v0/amp-analytics-0.1.js');
		}

		if (amp_wp_get_theme_mod('amp-wp-notifications')) {
			amp_wp_enqueue_script('amp-user-notification', 'https://cdn.ampproject.org/v0/amp-user-notification-0.1.js');
		}

		if (amp_wp_get_theme_mod('amp-wp-gdpr-compliance')) {
			amp_wp_enqueue_script('amp-consent', 'https://cdn.ampproject.org/v0/amp-consent-0.1.js');
			amp_wp_enqueue_script('amp-geo', 'https://cdn.ampproject.org/v0/amp-geo-0.1.js');
		}
	}

endif;

// Enqueue Static File Hook
add_action('amp_wp_template_enqueue_scripts', 'amp_wp_enqueue_static');

if (!function_exists('amp_wp_custom_styles')) :

	/**
	 * Prints Custom Codes of AMP Theme After All Styles
	 * 
	 * @version 1.0.0
	 * @since 1.0.0
	 */
	function amp_wp_custom_styles() {
		$theme_color = amp_wp_get_theme_mod('amp-wp-color-theme', false);
		$text_color = amp_wp_get_theme_mod('amp-wp-color-text', false);
		ob_start();
		?>
		<?php // Theme Color  ?>
		.pagination .nav-links .page-numbers.prev:hover,
		.pagination .nav-links .page-numbers.next:hover,
		.listing-item a.post-read-more:hover,
		.post-terms.cats .term-type,
		.post-terms a:hover,
		.search-form .search-submit,
		.amp-wp-main-link a {
		background: <?php echo $theme_color ?>;
		}
		.post-categories li a {
		background: <?php echo $theme_color ?>;
		}
		.entry-content ul.amp-wp-shortcode-list li:before,
		a {
		color: <?php echo $theme_color ?>;
		}

		<?php // Other Colors  ?>
		body.body {
		background:<?php echo amp_wp_get_theme_mod('amp-wp-color-bg', false) ?>;
		color: <?php echo $text_color ?>;
		}
		.amp-wp-wrapper {
		background:<?php echo amp_wp_get_theme_mod('amp-wp-color-content_bg', false) ?>;
		}
		.amp-wp-footer-nav {
		background:<?php echo amp_wp_get_theme_mod('amp-wp-color-footer-nav-bg', false) ?>;
		}
		.amp-wp-footer {
		background:<?php echo amp_wp_get_theme_mod('amp-wp-color-footer-bg', false) ?>;
		}
		<?php
		amp_wp_add_inline_style(ob_get_clean(), 'theme_panel_color_fields');
		amp_wp_add_inline_style(amp_wp_get_theme_mod('amp-wp-additional-css', false), 'custom_codes_from_panel');
	}

endif;

// AMP WP Custom Styles Hook
add_action('amp_wp_template_enqueue_scripts', 'amp_wp_custom_styles', 100);

if (!function_exists('amp_wp_default_theme_logo')) :

	/**
	 * Get Theme Logo
	 *
	 * @version 1.0.0
	 * @since   1.0.0
	 *  
	 * @return object
	 */
	function amp_wp_default_theme_logo() {
		ob_start();
		$site_branding = amp_wp_get_branding_info();
		?>
		<a href="<?php echo esc_url(amp_wp_site_url()); ?>"
		   class="branding <?php echo!empty($site_branding['logo-tag']) ? 'image-logo' : 'text-logo'; ?> ">
		<?php echo (!empty($site_branding['logo-tag']) ) ? $site_branding['logo-tag'] : esc_attr($site_branding['name']); ?>
		</a>
		<?php
		return ob_get_clean();
	}

endif;

if (!function_exists('amp_wp_default_theme_sidebar_logo')) :

	/**
	 * Get Theme Sidebar Logo
	 * 
	 * @version 1.0.0
	 * @since   1.0.0
	 * 
	 * @return  object
	 */
	function amp_wp_default_theme_sidebar_logo() {
		ob_start();
		$site_branding = amp_wp_get_branding_info('sidebar');
		?>
		<a href="<?php echo esc_url(amp_wp_site_url()); ?>"
		   class="branding <?php echo!empty($site_branding['logo-tag']) ? 'image-logo' : 'text-logo'; ?>">
		<?php echo (!empty($site_branding['logo-tag']) ) ? $site_branding['logo-tag'] : esc_attr($site_branding['name']); ?>
		</a>
		<?php
		return ob_get_clean();
	}

endif;

if (!function_exists('amp_wp_page_listing')) :

	/**
	 * Detects and returns current page listing style
	 *
	 * @version 1.0.0
	 * @since   1.0.0
	 * 
	 * @return string
	 */
	function amp_wp_page_listing() {
		static $listing;

		if ($listing) {
			return $listing;
		}

		$listing = 'default';
		if (is_home()) {
			$listing = amp_wp_get_theme_mod('amp-wp-home-listing');
		}
		if (empty($listing) || $listing === 'default') {
			$listing = amp_wp_get_theme_mod('amp-wp-archive-listing');
		}
		return $listing;
	}

endif;

if (!function_exists('amp_wp_translation_stds')) {

	/**
	 * Prepares translation default values
	 *
	 * @param array $std
	 *
	 * @since 1.0.0
	 *
	 * @return array
	 */
	function amp_wp_translation_stds($std = array()) {
		$std['prev'] = 'Previous';
		$std['next'] = 'Next';
		$std['page'] = 'Page';
		$std['page_of'] = 'of %d';
		$std['by_on'] = 'By %s1 on %s2';
		$std['browse_author_articles'] = 'Browse Author Articles';
		$std['add_comment'] = 'Add Comment';
		$std['share'] = 'Share';
		$std['header'] = 'Header';
		$std['tags'] = 'Tags:';
		$std['404_message'] = 'Oops! That page cannot be found.';
		$std['view_desktop'] = 'View Desktop Version';
		$std['listing_2_date'] = 'M d, Y';
		$std['search_on_site'] = 'Search on site:';
		$std['search_input_placeholder'] = 'Search &hellip;';
		$std['search_button'] = 'Search';

		$std['browsing'] = 'Browsing';
		$std['archive'] = 'Archive';
		$std['browsing_category'] = 'Browsing category';
		$std['browsing_tag'] = 'Browsing tag';
		$std['browsing_author'] = 'Browsing author';
		$std['browsing_yearly'] = 'Browsing yearly archive';
		$std['browsing_monthly'] = 'Browsing monthly archive';
		$std['browsing_daily'] = 'Browsing daily archive';
		$std['browsing_product_category'] = 'Browsing shop category';
		$std['browsing_product_tag'] = 'Browsing shop tag';
		$std['related_posts'] = 'Related Posts';

		$std['asides'] = 'Asides';
		$std['galleries'] = 'Galleries';
		$std['images'] = 'Images';
		$std['videos'] = 'Videos';
		$std['quotes'] = 'Quotes';
		$std['links'] = 'Links';
		$std['statuses'] = 'Statuses';
		$std['audio'] = 'Audio';
		$std['chats'] = 'Chats';

		/**
		 * Comments Texts
		 */
		$std['comments'] = 'Comments';
		$std['add_comment'] = 'Add Comment';
		$std['comments_edit'] = 'Edit Comment';
		$std['comments_reply'] = 'Leave a Reply';
		$std['comments_reply_to'] = 'Reply To %s';
		
		$std['comment_previous'] = 'Previous';
		$std['comment_next'] = 'Next';
		$std['comment_page_numbers'] = 'Page %1$s of %2$s';

		/**
		 * Attachment Texts
		 */
		$std['attachment-return-to'] = 'Return to "%s"';
		// todo change this id
		$std['click-here'] = 'Click here';
		$std['attachment-play-video'] = '%s to play video';
		$std['attachment-play-audio'] = '%s to play audio';
		$std['attachment-download-file'] = '%s to Download File';
		$std['attachment-prev'] = 'Previous';
		$std['attachment-next'] = 'Next';

		/**
		 * WooCommerce Texts
		 */
		$std['product-shop'] = 'Shop';
		$std['product-desc'] = 'Description';
		$std['product-reviews'] = 'Reviews(%s)';
		$std['product-view'] = 'View';
		$std['product-sale'] = 'Sale!';
		return $std;
	}

}
add_filter('amp_wp_translation_std', 'amp_wp_translation_stds');

if (!function_exists('amp_wp_auto_embed_content')) :

	/**
	 * Filter Callback: Auto-embed using a link
	 *
	 * @param   string  $content
	 * @version 1.0.0
	 * @since   1.0.0
	 * 
	 * @return string
	 */
	function amp_wp_auto_embed_content($content) {
		if( !is_string( $content ) ) {
			return array(
				'type' => 'unknown',
				'content' => '',
			);
		}

		// Custom External Videos
		preg_match('#^(http|https)://.+\.(mp4|m4v|webm|ogv|wmv|flv)$#i', $content, $matches);
		if (!empty($matches[0])) {
			return array(
				'type' => 'external-video',
				'content' => do_shortcode('[video src="' . $matches[0] . '"]'),
			);
		}

		// Custom External Audio
		preg_match('#^(http|https)://.+\.(mp3|m4a|ogg|wav|wma)$#i', $content, $matches);
		if (!empty($matches[0])) {
			return array(
				'type' => 'external-audio',
				'content' => do_shortcode('[audio src="' . $matches[0] . '"]'),
			);
		}

		// Default Embeds and Other Registered
		global $wp_embed;
		if (!is_object($wp_embed)) {
			return array(
				'type' => 'unknown',
				'content' => $content
			);
		}

		$embed = $wp_embed->autoembed($content);
		if ($embed !== $content) {
			return array(
				'type' => 'embed',
				'content' => $embed
			);
		}

		// No Embed Detected!
		return array(
			'type' => 'unknown',
			'content' => $content,
		);
	}

endif;

if (!function_exists('amp_wp_set_page_on_front')) :

	/**
	 * Setup Page on Front Option Value
	 *
	 * @version 1.0.0
	 * @since   1.0.0
	 * 
	 * @return  bool|string
	 */
	function amp_wp_set_page_on_front() {
		return amp_wp_get_theme_mod('amp-wp-page-on-front');
	}

endif;
add_filter('amp_wp_template_page_on_front', 'amp_wp_set_page_on_front');

if (is_amp_wp()) :
	if ($exclude_urls = amp_wp_get_theme_mod('amp-wp-exclude-urls')) :
		Amp_WP_Content_Sanitizer::set_none_amp_url(explode("\n", $exclude_urls));
	endif;
endif;

if (!function_exists('amp_wp_custom_code_head')) :

	/**
	 * Prints Custom Codes Inside Head Tag
	 *
	 * @hooked amp_wp_template_head
	 */
	function amp_wp_custom_code_head() {
		echo amp_wp_get_option('amp-wp-code-head', false);
	}

endif;
add_action('amp_wp_template_head', 'amp_wp_custom_code_head');

if (!function_exists('amp_wp_custom_code_body_start')) :

	/**
	 * Prints Custom Codes Right After Body Tag Start
	 *
	 * @hooked amp_wp_template_body_start
	 */
	function amp_wp_custom_code_body_start() {
		echo amp_wp_get_option('google-amp-for-wordpess-code-body-start', false);
	}

endif;
add_action('amp_wp_template_body_start', 'amp_wp_custom_code_body_start');

if (!function_exists('amp_wp_custom_code_body_stop')) :

	/**
	 * Prints custom codes before body tag close
	 *
	 * @hooked amp_wp_template_footer
	 */
	function amp_wp_custom_code_body_stop() {
		echo amp_wp_get_option('amp-wp-code-body-stop', false);
	}

endif;

add_action('amp_wp_template_footer', 'amp_wp_custom_code_body_stop');

if (!function_exists('amp_wp_auto_redirect_mobiles')) :

	/**
	 * Trigger Auto Redirect Option
	 *
	 * @version 1.0.0
	 * @since   1.0.0
	 * 
	 * @return  bool    true If Active
	 */
	function amp_wp_auto_redirect_mobiles() {
		return amp_wp_get_theme_mod('amp-wp-mobile-auto-redirect');
	}

endif;
add_filter('amp_wp_template_auto_redirect', 'amp_wp_auto_redirect_mobiles');

if (!function_exists('amp_wp_list_post_types')) {

	/**
	 * List available and public post types.
	 *
	 * @since 1.0.0
	 * @return array
	 */
	function amp_wp_list_post_types() {
		$results = array(__( '- none -', 'amp-wp' ) );
		foreach (get_post_types(array('public' => true, 'publicly_queryable' => true)) as $post_type => $_) {
			if (!$post_type_object = get_post_type_object($post_type)) {
				continue;
			}
			$results[$post_type] = $post_type_object->label;
		}
		return $results;
	}

}

if (!function_exists('amp_wp_list_taxonomies')) {

	/**
	 * List Available and Public Taxonomies.
	 *
	 * @since 1.0.0
	 * @return array
	 */
	function amp_wp_list_taxonomies() {
		$results = array(__( '- none -', 'amp-wp' ) );
		$taxonomies = get_taxonomies(array('public' => true,));
		if ($taxonomies) {
			unset($taxonomies['post_format']);
			foreach ($taxonomies as $id => $_) {
				if ($object = get_taxonomy($id)) {
					$results[$id] = $object->label;
				}
			}
		}
		return $results;
	}

}

if (!function_exists('amp_wp_filter_config')) {

	/**
	 * @param array $filters
	 *
	 * @since 1.0.0
	 * @return array
	 */
	function amp_wp_filter_config($filters) {
		$filters['disabled_post_types'] = (array) amp_wp_get_theme_mod('amp-wp-filter-post-types');
		$filters['disabled_taxonomies'] = (array) amp_wp_get_theme_mod('amp-wp-filter-taxonomies');
		$filters['disabled_homepage'] = !amp_wp_get_theme_mod('amp-wp-on-home');
		$filters['disabled_search'] = !amp_wp_get_theme_mod('amp-wp-on-search');

		return $filters;
	}

}
add_filter('amp_wp_filter_config_list', 'amp_wp_filter_config');

if ( ! function_exists( 'amp_wp_set_url_format' ) ) {

	/**
	 * Set default amp URL structure.
	 *
	 * @hooked	amp_wp_url_format
	 *
	 * @param	string	$default
	 *
	 * @since		1.0.4
	 * @return	string
	 */
	function amp_wp_set_url_format( $default ) {
		return amp_wp_get_option( 'amp-wp-url-structure', $default );
	}
}
add_filter( 'amp_wp_url_format', 'amp_wp_set_url_format' );

if (!function_exists('amp_wp_analytics_ga_callback')) :

	/**
	 * Prints Google Analytic Code
	 *
	 * @hooked amp_wp_analytics_ga
	 * @since 1.0.0
	 */
	function amp_wp_analytics_ga_callback() {
		$ga_switch = '';
		$ga_code = '';
		if(
			( amp_wp_get_option('amp-wp-ga-switch', amp_wp_get_default_theme_setting('amp-wp-ga-switch')) ) &&
			!empty( ( amp_wp_get_theme_mod('amp-wp-ga-analytic') ) )
		) {
			$ga_switch = '1';
			$ga_code = amp_wp_get_theme_mod('amp-wp-ga-analytic');
		}
		if( get_option('amp_wp_ga') ) {
			$amp_wp_ga = get_option('amp_wp_ga');
			$ga_switch = $amp_wp_ga['ga_switch'];
			$ga_code = $amp_wp_ga['ga'];
		}
		
		if( $ga_switch && $ga_code ) :
		?>
			<amp-analytics type="googleanalytics" id="googleanalytics">
				<script type="application/json">
				{
					"vars": {
					"account": "<?php echo esc_attr( $ga_code ); ?>"
					},
					"triggers": {
						"trackPageview": {
							"on": "visible",
							"request": "pageview"
						}
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}

endif;
add_action('amp_wp_analytics_ga', 'amp_wp_analytics_ga_callback');

if (!function_exists('amp_wp_analytics_fbp_callback')) :

	/**
	 * Prints Facebook Pixel Code
	 *
	 * @hooked amp_wp_analytics_fbp
	 * @since 1.0.0
	 */
	function amp_wp_analytics_fbp_callback() {
		$fbp_switch = '';
		$fbp_code = '';
		if(
			( amp_wp_get_option('amp-wp-fbp-switch', amp_wp_get_default_theme_setting('amp-wp-fbp-switch')) ) &&
			!empty( ( amp_wp_get_theme_mod('amp-wp-fbp-analytic') ) )
		) {
			$fbp_switch = '1';
			$fbp_code = amp_wp_get_theme_mod('amp-wp-fbp-analytic');
		}
		if( get_option('amp_wp_fbp') ) {
			$amp_wp_fbp = get_option('amp_wp_fbp');
			$fbp_switch = $amp_wp_fbp['fbp_switch'];
			$fbp_code = $amp_wp_fbp['fbp'];
		}
		if( $fbp_switch && $fbp_code ) :
			?>
			<amp-analytics type="facebookpixel" id="facebook-pixel">
				<script type="application/json">
					{
						"vars": {
							"pixelId": "<?php echo esc_attr( $fbp_code ); ?>"
						},
						"triggers": {
							"trackPageview": {
								"on": "visible",
								"request": "pageview"
							}
						}
					}
				</script>
			</amp-analytics>
		<?php
		endif;
	}

endif;
add_action('amp_wp_analytics_fbp', 'amp_wp_analytics_fbp_callback');

if( !function_exists('amp_wp_analytics_sa_callback') ) :

	/**
	 * Prints Segment Analytics Code
	 *
	 * @hooked amp_wp_analytics_sa
	 * @since 1.0.0
	 */
	function amp_wp_analytics_sa_callback() {
		$sa_switch = '';
		$sa_code = '';
		if(
			( amp_wp_get_option('amp-wp-sa-switch', amp_wp_get_default_theme_setting('amp-wp-sa-switch')) ) &&
			!empty( ( amp_wp_get_theme_mod('amp-wp-sa-analytic') ) )
		) {
			$sa_switch = '1';
			$sa_code = amp_wp_get_theme_mod('amp-wp-sa-analytic');
		}
		if( get_option('amp_wp_sa') ) {
			$amp_wp_sa = get_option('amp_wp_sa');
			$sa_switch = $amp_wp_sa['sa_switch'];
			$sa_code = $amp_wp_sa['sa'];
		}
		
		if( $sa_switch && $sa_code ) :
			?>
			<amp-analytics type="segment" id="segment">
				<script type="application/json">
				{
					"vars": {
						"writeKey": "<?php echo esc_attr( $sa_code ); ?>",
						"name": "<?php the_title(); ?>"
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}

endif;
add_action('amp_wp_analytics_sa', 'amp_wp_analytics_sa_callback');

if( !function_exists('amp_wp_analytics_qc_callback') ) :

	/**
	 * Prints Quantcast pCode
	 *
	 * @hooked amp_wp_analytics_qc
	 * @since 1.0.0
	 */
	function amp_wp_analytics_qc_callback() {
		$qc_switch = '';
		$qc_code = '';
		if(
			( amp_wp_get_option('amp-wp-qc-switch', amp_wp_get_default_theme_setting('amp-wp-qc-switch')) ) &&
			!empty( ( amp_wp_get_theme_mod('amp-wp-qc-analytic') ) )
		) {
			$qc_switch = '1';
			$qc_code = amp_wp_get_theme_mod('amp-wp-qc-analytic');
		}
		if( get_option('amp_wp_qc') ) {
			$amp_wp_qc = get_option('amp_wp_qc');
			$qc_switch = $amp_wp_qc['qc_switch'];
			$qc_code = $amp_wp_qc['qc'];
		}
		if( $qc_switch && $qc_code ) :
			?>
			<amp-analytics type="quantcast" id="quantcast">
				<script type="application/json">
				{
					"vars": {
						"pcode": "<?php echo esc_attr( $qc_code ); ?>",
						"labels": [ "AMPProject" ]
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}

endif;
add_action('amp_wp_analytics_qc', 'amp_wp_analytics_qc_callback');

if( !function_exists('amp_wp_analytics_acm_callback') ) :

	/**
	 * Tracking - Alexa Certified Metrics
	 *
	 * @hooked amp_wp_analytics_acm
	 * @since 1.0.2
	 */
	function amp_wp_analytics_acm_callback() {
		$acm_switch = '';
		$acm_account = '';
		$acm_domain = '';
		
		if(
			( amp_wp_get_option('amp-wp-acm-switch', amp_wp_get_default_theme_setting('amp-wp-acm-switch')) ) &&
			!empty( ( amp_wp_get_theme_mod('amp-wp-acm-account') ) )
		) {
			$acm_switch = '1';
			$acm_account = amp_wp_get_theme_mod('amp-wp-acm-account');
			$acm_domain = amp_wp_get_theme_mod('amp-wp-acm-domain');
		}
		if( get_option('amp_wp_acm') ) {
			$amp_wp_acm = get_option('amp_wp_acm');
			$acm_switch = $amp_wp_acm['acm_switch'];
			$acm_account = $amp_wp_acm['acm_account'];
			$acm_domain = $amp_wp_acm['acm_domain'];
		}
		
		if( $acm_switch && $acm_account && $acm_domain ) :
			?>
			<amp-analytics type="alexametrics" id="alexametrics">
				<script type="application/json">
				{
					"vars": {
						"atrk_acct": "<?php echo esc_attr( $acm_account ); ?>",
						"domain": "<?php echo esc_url( $acm_domain ); ?>"
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}

endif;
add_action('amp_wp_analytics_acm', 'amp_wp_analytics_acm_callback');

if( !function_exists('amp_wp_analytics_cb_callback') ) :

	/**
	 * Tracking - Chartbeat Analytics
	 *
	 * @hooked amp_wp_analytics_cb
	 * @since 1.0.2
	 */
	function amp_wp_analytics_cb_callback() {
		$cb_switch = '';
		$cb_analytic = '';
		$cb_domain = '';
		
		if(
			( amp_wp_get_option('amp-wp-cb-switch', amp_wp_get_default_theme_setting('amp-wp-cb-switch')) ) &&
			!empty( ( amp_wp_get_theme_mod('amp-wp-cb-analytic') ) )
		) {
			$cb_switch = '1';
			$cb_analytic = amp_wp_get_theme_mod('amp-wp-cb-analytic');
			$cb_domain = amp_wp_get_theme_mod('amp-wp-cb-domain');
		}
		if( get_option('amp_wp_cb') ) {
			$amp_wp_cb = get_option('amp_wp_cb');
			$cb_switch = $amp_wp_cb['cb_switch'];
			$cb_analytic = $amp_wp_cb['cb_analytic'];
			$cb_domain = $amp_wp_cb['cb_domain'];
		}
		
		if( $cb_switch && $cb_analytic && $cb_domain ) :
			?>
			<amp-analytics type="chartbeat" id="chartbeat">
				<script type="application/json">
				{
					"vars": {
						"uid": "<?php echo esc_attr( $cb_analytic ); ?>",
						"domain": "<?php echo esc_url( $cb_domain ); ?>"
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}

endif;
add_action('amp_wp_analytics_cb', 'amp_wp_analytics_cb_callback');

if( !function_exists('amp_wp_analytics_comscore_callback') ) :

	/**
	 * Tracking - comScore UDM pageview
	 *
	 * @hooked amp_wp_analytics_comscore
	 * @since 1.0.2
	 */
	function amp_wp_analytics_comscore_callback() {
		$comscore_switch = '';
		$comscore_tracking_id = '';
		
		if(
			( amp_wp_get_option('amp-wp-comscore-switch', amp_wp_get_default_theme_setting('amp-wp-comscore-switch')) ) &&
			!empty( ( amp_wp_get_theme_mod('amp-wp-comscore-tracking-id') ) )
		) {
			$comscore_switch = '1';
			$comscore_tracking_id = amp_wp_get_theme_mod('amp-wp-comscore-tracking-id');
		}
		if( get_option('amp_wp_comscore') ) {
			$amp_wp_comscore = get_option('amp_wp_comscore');
			$comscore_switch = $amp_wp_comscore['comscore_switch'];
			$comscore_tracking_id = $amp_wp_comscore['comscore_tracking_id'];
		}
		
		if( $comscore_switch && $comscore_tracking_id ) :
			?>
			<amp-analytics type="comscore" id="comscore">
				<script type="application/json">
				{
					"vars": {
						"c2": "<?php echo esc_attr($comscore_tracking_id); ?>"
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}

endif;
add_action('amp_wp_analytics_comscore', 'amp_wp_analytics_comscore_callback');

if( !function_exists('amp_wp_analytics_yandex_metrica_callback') ) :

	/**
	 * Tracking - Yandex Metrica
	 *
	 * @hooked amp_wp_analytics_yandex_metrica
	 * @since 1.0.4
	 */
	function amp_wp_analytics_yandex_metrica_callback() {
	
		$amp_wp_yandex_metrica_switch = '';
		$amp_wp_yandex_metrica_counter_id = '';
		
		if( get_option('amp_wp_yandex_metrica') ) {
			$amp_wp_yandex_metrica = get_option('amp_wp_yandex_metrica');
			$amp_wp_yandex_metrica_switch = $amp_wp_yandex_metrica['yandex_metrica_switch'];
			$amp_wp_yandex_metrica_counter_id = $amp_wp_yandex_metrica['yandex_metrica_counter_id'];
		}
		
		if( $amp_wp_yandex_metrica_switch && $amp_wp_yandex_metrica_counter_id ) :
			?>
			<amp-analytics type="metrika" id="metrika">
				<script type="application/json">
				{
					"vars": {
						"counterId": "<?php echo esc_attr( $amp_wp_yandex_metrica_counter_id ); ?>"
					}
					"triggers": { 
						"notBounce": { 
							"on": "timer", 
							"timerSpec": { 
								"immediate": false, 
								"interval": 15, 
								"maxTimerLength": 16 
							}, 
							"request": "notBounce" 
						} 
					} 
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}
endif;
add_action('amp_wp_analytics_yandex_metrica', 'amp_wp_analytics_yandex_metrica_callback');

if( !function_exists('amp_wp_analytics_afs_callback') ) :

	/**
	 * Tracking - AFS Analytics
	 *
	 * @hooked amp_wp_analytics_afs
	 * @since 1.0.4
	 */
	function amp_wp_analytics_afs_callback() {
	
		$afs_switch = '';
		$afs_website_id = '';
		
		if( get_option('amp_wp_afs') ) {
			$amp_wp_afs = get_option('amp_wp_afs');
			$afs_switch = $amp_wp_afs['afs_switch'];
			$afs_website_id = $amp_wp_afs['afs_website_id'];
			
			$afs_server = "www";
			if( $afs_website_id > 99999 )
				$afs_server = 'www1';
			if( $afs_website_id > 199999)
				$afs_server = 'www2';
			if( $afs_website_id > 299999)
				$afs_server = 'www3';
			if( $afs_website_id > 399999)
				$afs_server = 'www4';
			if( $afs_website_id > 499999)
				$afs_server = 'www5';
			if( $afs_website_id > 599999)
				$afs_server = 'www6';
			if( $afs_website_id > 699999)
				$afs_server = 'www7';
			if( $afs_website_id > 799999)
				$afs_server = 'www8';
			if( $afs_website_id > 899999)
				$afs_server = 'www9';
			if( $afs_website_id > 999999)
				$afs_server = 'www10';
		}
		
		if( $afs_switch && $afs_website_id ) :
		?>
			<amp-analytics type="afsanalytics" id="afsanalytics">
				<script type="application/json">
				{
					"vars": {
						"server": "<?php echo esc_attr( $afs_server ); ?>",
						"websiteid": "<?php echo esc_attr( $afs_website_id ); ?>"
						"title": "<?php echo esc_attr( get_the_title() ); ?>"
						"url": "<?php echo esc_url( get_the_permalink() ); ?>"
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}
endif;
add_action('amp_wp_analytics_afs', 'amp_wp_analytics_afs_callback');

if( !function_exists('amp_wp_analytics_adobe_callback') ) :

	/**
	 * Tracking - Adobe Analytics
	 *
	 * @hooked amp_wp_analytics_adobe
	 * @since 1.0.4
	 */
	function amp_wp_analytics_adobe_callback() {
	
		$adobe_switch = '';
		$adobe_host_name = '';
		$adobe_report_suite_id = '';
		
		if( get_option('amp_wp_adobe') ) {
			$amp_wp_adobe = get_option('amp_wp_adobe');
			$adobe_switch = $amp_wp_adobe['adobe_switch'];
			$adobe_host_name = $amp_wp_adobe['adobe_host_name'];
			$adobe_report_suite_id = $amp_wp_adobe['adobe_report_suite_id'];
		}
		
		if( $adobe_switch && $adobe_host_name && $adobe_report_suite_id ) :
		?>
			<amp-analytics type="adobeanalytics">
				<script type="application/json">
				{

					"vars": {
						"host": "<?php echo esc_attr( $adobe_host_name ); ?>",
						"reportSuites": "<?php echo esc_attr( $adobe_report_suite_id ); ?>",
					},
					"triggers": {
						"pageLoad": {
							"on": "visible",
							"request": "pageView"
						}
					}
				}
				</script>
			</amp-analytics>
		<?php
		endif;
	}
endif;
add_action('amp_wp_analytics_adobe', 'amp_wp_analytics_adobe_callback');

if (!function_exists('amp_wp_notifications_bar_callback')) :

	/**
	 * Prints Notice Bar
	 *
	 * @hooked  amp_wp_notifications_bar
	 * @since   1.0.0
	 */
	function amp_wp_notifications_bar_callback() {
		if ($notifications_status = amp_wp_get_theme_mod('amp-wp-notifications')) :
			amp_wp_enqueue_block_style('notification', '../css/notification');
			?>
			<div <?php amp_wp_customizer_hidden_attr('amp-wp-notifications'); ?>>
				<amp-user-notification layout=nodisplay id="amp-user-notification1">
					<p><?php echo amp_wp_get_theme_mod('amp-wp-notifications-text'); ?></p>
					<button on="tap:amp-user-notification1.dismiss"><?php echo amp_wp_get_theme_mod('amp-wp-notifications-accept-button-text'); ?></button>
				</amp-user-notification>
			</div>
		<?php
		endif;
	}

endif;
add_action('amp_wp_notifications_bar', 'amp_wp_notifications_bar_callback');

if (!function_exists('amp_wp_gdpr_compliance_callback')) :

	/**
	 * Prints GDPR Compliance
	 *
	 * @hooked  amp_wp_gdpr_compliance
	 * @since   1.0.0
	 */
	function amp_wp_gdpr_compliance_callback() {
		if ($gdpr_compliance_status = amp_wp_get_theme_mod('amp-wp-gdpr-compliance')) :
			amp_wp_enqueue_block_style('amp-gdpr', '../css/gdpr');
			?>
			<div <?php amp_wp_customizer_hidden_attr('amp-wp-gdpr-compliance'); ?>>
			<?php
			$gdpr_countries = array("PK", "AT", "BE", "BG", "HR", "CY", "CZ", "DK", "EE", "FI", "FR", "DE", "GR", "HU", "IS", "IE", "IT", "LV", "LI", "LT", "LU", "MT", "NL", "NO", "PL", "PT", "RO", "SK", "SI", "ES", "SE", "GB", "AX", "IC", "EA", "GF", "PF", "TF", "GI", "GP", "GG", "JE", "MQ", "YT", "NC", "RE", "BL", "MF", "PM", "SJ", "VA", "WF", "EZ", "CH");
			$gdpr_countries = apply_filters('amp_wp_gdpr_country_list', $gdpr_countries);
			$form_url = admin_url('admin-ajax.php?action=amp_consent_submission');

			$privacy_page = '';
			$privacy_page_id = amp_wp_get_theme_mod('amp-wp-gdpr-compliance-select-privacy-page');
			if (isset($privacy_page_id) && $privacy_page_id) :
				$privacy_page = get_permalink(amp_wp_get_theme_mod('amp-wp-gdpr-compliance-select-privacy-page'));
			endif;

			$settings = 'Privacy Settings';
			?>
				<amp-geo layout="nodisplay">
					<script type="application/json">
						{
						"ISOCountryGroups": {
						"eu" : [ <?php echo '"' . implode('","', array_values($gdpr_countries)) . '"'; ?> ]
						}
						}
					</script>
				</amp-geo>
				<amp-consent id="ampwpconsent" layout="nodisplay">
					<script type="application/json">
						{
						"consents": {
						"eu": {
						"promptIfUnknownForGeoGroup": "eu",
						"promptUI": "gdpr_by_country"
						}
						},
						"postPromptUI": "post-consent-ui"
						}
					</script>
					<div id="gdpr_by_country" class="gdpr">
						<div class="gdpr-wrapper">
							<div class="gdpr-close" role="button" tabindex="0" on="tap:ampwpconsent.dismiss"><?php _e('X', 'amp-wp'); ?></div>
							<div class="gdpr-content">
								<div class="gdpr-title">
									<h3><?php echo esc_attr(amp_wp_get_theme_mod('amp-wp-gdpr-compliance-headline-text')); ?></h3>
									<p><?php echo esc_attr(amp_wp_get_theme_mod('amp-wp-gdpr-compliance-textarea')); ?></p>
								</div>
			<?php if (isset($privacy_page_id) && $privacy_page_id) { ?>
									<div class="gdpr-privacy-policy-content">
										<span><?php echo esc_attr(amp_wp_get_theme_mod('amp-wp-gdpr-compliance-for-more-privacy-info')); ?></span>
										<a class="gdpr_fmi pri_page_link" href=<?php echo esc_url($privacy_page); ?> target="_blank"><?php echo esc_attr(amp_wp_get_theme_mod('amp-wp-gdpr-compliance-privacy-page-button-text')); ?></a>
									</div>
			<?php } ?>
							</div>
							<div id="gdpr_yn" class="gdpr-actions">
								<div class="gdpr-btns">
									<form class="acp" action-xhr="<?php echo esc_url($form_url); ?>" method="post" target="_top">
										<button type="submit" on="tap:ampwpconsent.accept" class="amp-btn gdpr-amp-btn"><?php echo esc_attr(amp_wp_get_theme_mod('amp-wp-gdpr-compliance-accept-button-text')); ?></button>
									</form>
									<form class="rej" action-xhr="<?php echo esc_url($form_url); ?>" method="post" target="_top">
										<button type="submit" on="tap:ampwpconsent.reject" class="amp-btn amp-btn-default"><?php echo esc_attr(amp_wp_get_theme_mod('amp-wp-gdpr-compliance-reject-button-text')); ?></button>
									</form>
								</div>
							</div>
						</div>
					</div>
					<div id="post-consent-ui">
						<a href="#." on="tap:ampwpconsent.prompt();" class="amp-btn"><?php echo esc_attr($settings); ?></a> 
					</div>
				</amp-consent>
			</div>
		<?php
		endif;
	}

endif;
add_action('amp_wp_gdpr_compliance', 'amp_wp_gdpr_compliance_callback');


if (!function_exists('amp_wp_consent_submission')) :

	/**
	 * AMP Consent Submission
	 * 
	 * @version 1.0.0
	 * @since   1.0.0
	 */
	function amp_wp_consent_submission() {
		$current_url = $site_url = $site_host = $amp_site = '';
		$current_url = wp_get_referer();
		$site_url = parse_url(get_site_url());
		$site_host = $site_url['host'];
		$amp_site = $site_url['scheme'] . '://' . $site_url['host'];
		//$amp_site = amp_wp_site_url();
		header("AMP-Access-Control-Allow-Source-Origin: $amp_site ");
		header("AMP-Redirect-To: $current_url ");
	}

endif;

// Consent Submission Hooks
add_action('wp_ajax_amp_consent_submission', 'amp_wp_consent_submission');
add_action('wp_ajax_nopriv_amp_consent_submission', 'amp_wp_consent_submission');

if (!function_exists('amp_wp_gf_submit_form')) :

	/**
	 * Ajax Handling 
	 */
	function amp_wp_gf_submit_form() {

		/*
		  $domain_url = (isset($_SERVER['HTTPS']) ? "https" : "http") . "://$_SERVER[HTTP_HOST]";
		  header("Content-type: application/json");
		  header("Access-Control-Allow-Credentials: true");
		  header("Access-Control-Allow-Origin: ". str_replace('.', '-','https://example.com') .".cdn.ampproject.org");
		  header("AMP-Access-Control-Allow-Source-Origin: " . $domain_url);
		  header("Access-Control-Expose-Headers: AMP-Access-Control-Allow-Source-Origin");
		  header("AMP-Redirect-To: https://example.com/index.html");
		  header("Access-Control-Expose-Headers: AMP-Redirect-To, AMP-Access-Control-Allow-Source-Origin");
		 */

		$domain_url = ( isset($_SERVER['HTTPS']) ? "https" : "http" ) . "://$_SERVER[HTTP_HOST]";
		header("Access-Control-Allow-Origin: true");
		header("Access-Control-Allow-Headers: Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token");
		header("access-Control-Allow-Methods: POST, GET, OPTIONS");

		header("Access-Control-Allow-Origin: " . $_SERVER['HTTP_ORIGIN']);
		header("Access-Control-Expose-Headers: AMP-Access-Control-Allow-Source-Origin");

		// Change to represent your site's protocol, either http or https
		header("AMP-Access-Control-Allow-Source-Origin: " . $domain_url);
		header("Content-Type: application/json");

		$form_id = isset($_POST['_wpcf7']) ? $_POST['_wpcf7'] : '';
		$form = WPCF7_ContactForm::get_instance($form_id);
		$submission = WPCF7_Submission::get_instance($form);

		$response = $submission->get_response();
		$status = $submission->get_status();

		switch ($status) {
			case 'validation_failed':
				header('HTTP/1.1 403 Forbidden');
				break;
			case 'acceptance_missing':
				header('HTTP/1.1 403 Forbidden');
				break;
			case 'spam':
				header('HTTP/1.1 403 Forbidden');
				break;
			case 'aborted':
				header('HTTP/1.1 403 Forbidden');
				break;
			case 'mail_sent':
				header('HTTP/1.1 200 OK');
				break;
			case 'mail_failed':
				header('HTTP/1.1 403 Forbidden');
				break;
			default:
				break;
		}
		$verifyErrors = array();
		foreach ($submission->get_invalid_fields() as $key => $val) {
			$key = str_replace('-', ' ', $key);
			$key = ucfirst($key);
			$verifyErrors[]['name'] = $key;
			$verifyErrors[]['message'] = $key . ' : ' . $val['reason'];
		}

		$output['msg'] = $response;

		if ($status == 'validation_failed')
			$output['msg'] = '';

		$output['verifyErrors'] = apply_filters('ampcf7_verify_errors', $verifyErrors);

		echo json_encode($output);
		die;
	}

endif;
add_action('wp_ajax_amp_wp_gf_submit_form', 'amp_wp_gf_submit_form');
add_action('wp_ajax_nopriv_amp_wp_gf_submit_form', 'amp_wp_gf_submit_form');