add_action('wp_footer', function() {
	global $product;

	if( ! avia_woocommerce_version_check( '3.0.0') )
	{
		return;
	}

	if( ! is_product() ||  ! $product instanceof WC_Product )
	{
		return;
	}

	if( get_post_meta( $product->get_id(), '_aviaLayoutBuilderCleanData', true ) ) {
		$data = avia_generate_product_data();

		if ( $data ) {
			echo '<script type="application/ld+json">' . wc_esc_json( wp_json_encode( $data ), true ) . '</script>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		}
	}
}, 10);

function avia_generate_product_data( $product = null ) {
	if ( ! is_object( $product ) ) {
		global $product;
	}

	if ( ! is_a( $product, 'WC_Product' ) ) {
		return;
	}

	$shop_name = get_bloginfo( 'name' );
	$shop_url  = home_url();
	$currency  = get_woocommerce_currency();
	$permalink = get_permalink( $product->get_id() );

	$markup = array(
		'@type'       => 'Product',
		'@id'         => $permalink . '#product', // Append '#product' to differentiate between this @id and the @id generated for the Breadcrumblist.
		'name'        => $product->get_name(),
		'url'         => $permalink,
		'image'       => wp_get_attachment_url( $product->get_image_id() ),
		'description' => wp_strip_all_tags( do_shortcode( $product->get_short_description() ? $product->get_short_description() : $product->get_description() ) ),
	);

	// Declare SKU or fallback to ID.
	if ( $product->get_sku() ) {
		$markup['sku'] = $product->get_sku();
	} else {
		$markup['sku'] = $product->get_id();
	}

	if ( '' !== $product->get_price() ) {
		// Assume prices will be valid until the end of next year, unless on sale and there is an end date.
		$price_valid_until = date( 'Y-12-31', current_time( 'timestamp', true ) + YEAR_IN_SECONDS );

		if ( $product->is_type( 'variable' ) ) {
			$lowest  = $product->get_variation_price( 'min', false );
			$highest = $product->get_variation_price( 'max', false );

			if ( $lowest === $highest ) {
				$markup_offer = array(
					'@type'              => 'Offer',
					'price'              => wc_format_decimal( $lowest, wc_get_price_decimals() ),
					'priceValidUntil'    => $price_valid_until,
					'priceSpecification' => array(
						'price'                 => wc_format_decimal( $lowest, wc_get_price_decimals() ),
						'priceCurrency'         => $currency,
						'valueAddedTaxIncluded' => wc_prices_include_tax() ? 'true' : 'false',
					),
				);
			} else {
				$markup_offer = array(
					'@type'      => 'AggregateOffer',
					'lowPrice'   => wc_format_decimal( $lowest, wc_get_price_decimals() ),
					'highPrice'  => wc_format_decimal( $highest, wc_get_price_decimals() ),
					'offerCount' => count( $product->get_children() ),
				);
			}
		} else {
			if ( $product->is_on_sale() && $product->get_date_on_sale_to() ) {
				$price_valid_until = date( 'Y-m-d', $product->get_date_on_sale_to()->getTimestamp() );
			}
			$markup_offer = array(
				'@type'              => 'Offer',
				'price'              => wc_format_decimal( $product->get_price(), wc_get_price_decimals() ),
				'priceValidUntil'    => $price_valid_until,
				'priceSpecification' => array(
					'price'                 => wc_format_decimal( $product->get_price(), wc_get_price_decimals() ),
					'priceCurrency'         => $currency,
					'valueAddedTaxIncluded' => wc_prices_include_tax() ? 'true' : 'false',
				),
			);
		}

		$markup_offer += array(
			'priceCurrency' => $currency,
			'availability'  => 'http://schema.org/' . ( $product->is_in_stock() ? 'InStock' : 'OutOfStock' ),
			'url'           => $permalink,
			'seller'        => array(
				'@type' => 'Organization',
				'name'  => $shop_name,
				'url'   => $shop_url,
			),
		);

		$markup['offers'] = array( apply_filters( 'woocommerce_structured_data_product_offer', $markup_offer, $product ) );
	}

	if ( $product->get_rating_count() && wc_review_ratings_enabled() ) {
		$markup['aggregateRating'] = array(
			'@type'       => 'AggregateRating',
			'ratingValue' => $product->get_average_rating(),
			'reviewCount' => $product->get_review_count(),
		);

		// Markup most recent rating/review.
		$comments = get_comments(
			array(
				'number'      => 1,
				'post_id'     => $product->get_id(),
				'status'      => 'approve',
				'post_status' => 'publish',
				'post_type'   => 'product',
				'parent'      => 0,
				'meta_key'    => 'rating',
				'orderby'     => 'meta_value_num',
			)
		);

		if ( $comments ) {
			foreach ( $comments as $comment ) {
				$rating = get_comment_meta( $comment->comment_ID, 'rating', true );

				if ( ! $rating ) {
					continue;
				}

				$markup['review'] = array(
					'@type'        => 'Review',
					'reviewRating' => array(
						'@type'       => 'Rating',
						'ratingValue' => $rating,
					),
					'author'       => array(
						'@type' => 'Person',
						'name'  => get_comment_author( $comment->comment_ID ),
					),
				);
			}
		}
	}

	return $markup;
}