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<?php

namespace Automattic\WooCommerce\Blocks\Templates;

use Automattic\WooCommerce\Blocks\Templates\ArchiveProductTemplatesCompatibility;
use Automattic\WooCommerce\Blocks\Utils\BlockTemplateUtils;

/**
 * ProductAttributeTemplate class.
 *
 * @internal
 */
class ProductAttributeTemplate extends AbstractTemplate {

/**
	 * The slug of the template.
	 *
	 * @var string
	 */
	const SLUG = 'taxonomy-product_attribute';

/**
	 * The template used as a fallback if that one is customized.
	 *
	 * @var string
	 */
	public $fallback_template = ProductCatalogTemplate::SLUG;

/**
	 * Initialization method.
	 */
	public function init() {
		add_action( 'template_redirect', array( $this, 'render_block_template' ) );
		add_filter( 'taxonomy_template_hierarchy', array( $this, 'update_taxonomy_template_hierarchy' ), 1, 3 );
	}

/**
	 * Returns the title of the template.
	 *
	 * @return string
	 */
	public function get_template_title() {
		return _x( 'Products by Attribute', 'Template name', 'woocommerce' );
	}

/**
	 * Returns the description of the template.
	 *
	 * @return string
	 */
	public function get_template_description() {
		return __( 'Displays products filtered by an attribute.', 'woocommerce' );
	}

/**
	 * Renders the default block template from Woo Blocks if no theme templates exist.
	 */
	public function render_block_template() {
		$queried_object = get_queried_object();
		if ( is_null( $queried_object ) ) {
			return;
		}

if ( isset( $queried_object->taxonomy ) && taxonomy_is_product_attribute( $queried_object->taxonomy ) ) {
			$compatibility_layer = new ArchiveProductTemplatesCompatibility();
			$compatibility_layer->init();

$templates = get_block_templates( array( 'slug__in' => array( self::SLUG ) ) );

if ( isset( $templates[0] ) && BlockTemplateUtils::template_has_legacy_template_block( $templates[0] ) ) {
				add_filter( 'woocommerce_disable_compatibility_layer', '__return_true' );
			}

add_filter( 'woocommerce_has_block_template', '__return_true', 10, 0 );
		}
	}

/**
	 * Renders the Product by Attribute template for product attributes taxonomy pages.
	 *
	 * @param array $templates Templates that match the product attributes taxonomy.
	 */
	public function update_taxonomy_template_hierarchy( $templates ) {
		$queried_object = get_queried_object();
		if ( taxonomy_is_product_attribute( $queried_object->taxonomy ) && wc_current_theme_is_fse_theme() ) {
			array_splice( $templates, count( $templates ) - 1, 0, self::SLUG );
		}

return $templates;
	}
}