<?php

namespace Brandy\BlocksOverride\WooCommerce;

use Brandy\Traits\SingletonTrait;

/**
 * Override WooCommerce product image zoom
 */
class WooCommerceProductImageHoverZoom {
	use SingletonTrait;

	protected function __construct() {
		add_filter( 'render_block', array( $this, 'apply_product_image_hover_zoom' ), 10, 3 );
		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_scripts' ) );
	}

	public function enqueue_frontend_scripts() {
		wp_enqueue_style( 'woocommerce-product-image-hover-zoom', BRANDY_TEMPLATE_URL . '/inc/BlocksOverride/Assets/woocommerce-product-image-hover-zoom.css', array(), BRANDY_SCRIPT_VERSION );
	}

	public function apply_product_image_hover_zoom( $html, $block, $instance ) {
		if ( ! isset( $block['blockName'] ) || 'woocommerce/product-image' !== $block['blockName'] ) {
			return $html;
		}

		$is_inside_product_template = ! empty( $instance->context['postId'] )
			&& ! empty( $instance->context['query']['postType'] )
			&& 'product' === $instance->context['query']['postType'];

		if ( ! $is_inside_product_template ) {
			return $html;
		}

		$enable_product_image_hover_zoom = get_theme_mod( 'enable_product_image_hover_zoom', true );

		if ( ! $enable_product_image_hover_zoom ) {
			return $html;
		}

		$tag = new \WP_HTML_Tag_Processor( $html );

		if ( $tag->next_tag() ) {
			$tag->set_attribute( 'data-zoom-hover', 'true' );
			$html = $tag->get_updated_html();
		}

		return $html;
	}
}