<?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-font-awesome', 'https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css');
        amp_wp_enqueue_style( 'amp-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_edit']        = 'Edit';
        $std['comments_reply']       = 'Reply';
        $std['comments_reply_to']    = 'Reply To %s';
        $std['comments']             = 'Comments';
        $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(''=>'');
        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(''=>'');
        $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_analytics_ga_callback' ) ) :
    /**
     * Prints Google Analytic Code
     *
     * @hooked amp_wp_analytics_ga
     * @since 1.0.0
     */
    function amp_wp_analytics_ga_callback() {
        if(
            ( amp_wp_get_option( 'amp-wp-ga-switch', amp_wp_get_default_theme_setting( 'amp-wp-ga-switch' ) ) ) && 
            ( $ga_code = amp_wp_get_theme_mod( 'amp-wp-ga-analytic' ) )
        ) :
        ?>
        <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() {
        if(
            ( amp_wp_get_option( 'amp-wp-fbp-switch', amp_wp_get_default_theme_setting( 'amp-wp-fbp-switch' ) ) ) && 
            ( $fbp_code = amp_wp_get_theme_mod( 'amp-wp-fbp-analytic' ) )
        ) :
        ?>
        <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() {
        if(
            ( amp_wp_get_option( 'amp-wp-sa-switch', amp_wp_get_default_theme_setting( 'amp-wp-sa-switch' ) ) ) && 
            ( $sa_code = amp_wp_get_theme_mod( 'amp-wp-sa-analytic' ) )
        ) :
        ?>
        <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() {
        if(
            ( amp_wp_get_option( 'amp-wp-qc-switch', amp_wp_get_default_theme_setting( 'amp-wp-qc-switch' ) ) ) && 
            ( $qc_code = amp_wp_get_theme_mod( 'amp-wp-qc-analytic' ) )
        ) :
        ?>
        <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() {
        if(
            ( amp_wp_get_option( 'amp-wp-acm-switch', amp_wp_get_default_theme_setting( 'amp-wp-acm-switch' ) ) ) && 
            ( $acm_account = amp_wp_get_theme_mod( 'amp-wp-acm-account' ) ) &&
            ( $acm_domain = amp_wp_get_theme_mod( 'amp-wp-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 - Alexa Certified Metrics
     *
     * @hooked amp_wp_analytics_cb
     * @since 1.0.2
     */
    function amp_wp_analytics_cb_callback() {
        if(
            ( amp_wp_get_option( 'amp-wp-cb-switch', amp_wp_get_default_theme_setting( 'amp-wp-cb-switch' ) ) ) && 
            ( $cb_analytic = amp_wp_get_theme_mod( 'amp-wp-cb-analytic' ) ) &&
            ( $cb_domain = amp_wp_get_theme_mod( 'amp-wp-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() {
        if(
            ( amp_wp_get_option( 'amp-wp-comscore-switch', amp_wp_get_default_theme_setting( 'amp-wp-comscore-switch' ) ) ) && 
            ( $comscore_tracking_id = amp_wp_get_theme_mod( 'amp-wp-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_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_cf7_submit_form' ) ) :
    /**
     * Ajax Handling 
     */
    function amp_wp_cf7_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: *.ampproject.org");
        header("AMP-Access-Control-Allow-Source-Origin: " . $domain_url);


        $form_id = isset($_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_cf7_submit_form', 'amp_wp_cf7_submit_form' );
add_action( 'wp_ajax_nopriv_amp_wp_cf7_submit_form', 'amp_wp_cf7_submit_form' );