<?php

namespace Automattic\WooCommerce\Blocks\BlockTypes;

use Automattic\WooCommerce\Blocks\Utils\StyleAttributesUtils;

/**
 * StoreNotices class.
 */
class StoreNotices extends AbstractBlock {

	/**
	 * Block name.
	 *
	 * @var string
	 */
	protected $block_name = 'store-notices';

	/**
	 * Render the block.
	 *
	 * @param array    $attributes Block attributes.
	 * @param string   $content Block content.
	 * @param WP_Block $block Block instance.
	 *
	 * @return string | void Rendered block output.
	 */
	protected function render( $attributes, $content, $block ) {
		/**
		 * This block should be rendered only on the frontend. Woo loads notice
		 * functions on the front end requests only. So it's safe and handy to
		 * check for the print notice function existence to short circuit the
		 * render process on the admin side.
		 * See WooCommerce::is_request() for the frontend request definition.
		 */
		if ( ! function_exists( 'wc_print_notices' ) ) {
			return $content;
		}

		ob_start();
		woocommerce_output_all_notices();
		$notices = ob_get_clean();

		if ( ! $notices ) {
			return;
		}

		$classname          = isset( $attributes['className'] ) ? $attributes['className'] : '';
		$classes_and_styles = StyleAttributesUtils::get_classes_and_styles_by_attributes( $attributes );

		if ( isset( $attributes['align'] ) ) {
			$classname .= " align{$attributes['align']}";
		}

		return sprintf(
			'<div class="woocommerce wc-block-store-notices %1$s %2$s">%3$s</div>',
			esc_attr( $classes_and_styles['classes'] ),
			esc_attr( $classname ),
			wc_kses_notice( $notices )
		);
	}

	/**
	 * Get the frontend script handle for this block type.
	 *
	 * @param string $key Data to get, or default to everything.
	 */
	protected function get_block_type_script( $key = null ) {
		return null;
	}

	/**
	 * Get the frontend style handle for this block type.
	 *
	 * @return null
	 */
	protected function get_block_type_style() {
		return null;
	}
}
