public function is_valid_for_product( $product, $values = array() ) {
		if ( ! $this->is_type( wc_get_product_coupon_types() ) ) {
			return apply_filters( 'woocommerce_coupon_is_valid_for_product', false, $product, $this, $values );
		}

		$valid        = false;
		$product_cats = wc_get_product_cat_ids( $product->is_type( 'variation' ) ? $product->get_parent_id() : $product->get_id() );
		$product_ids  = array( $product->get_id(), $product->get_parent_id() );

		// Specific products get the discount.
		if ( count( $this->get_product_ids() ) && count( array_intersect( $product_ids, $this->get_product_ids() ) ) ) {
			$valid = true;
		}

		// Category discounts.
		if ( count( $this->get_product_categories() ) && count( array_intersect( $product_cats, $this->get_product_categories() ) ) ) {
			$valid = true;
		}

		// No product ids - all items discounted.
		if ( ! count( $this->get_product_ids() ) && ! count( $this->get_product_categories() ) ) {
			$valid = true;
		}

		// Specific product IDs excluded from the discount.
		if ( count( $this->get_excluded_product_ids() ) && count( array_intersect( $product_ids, $this->get_excluded_product_ids() ) ) ) {
			$valid = false;
		}

		// Specific categories excluded from the discount.
		if ( count( $this->get_excluded_product_categories() ) && count( array_intersect( $product_cats, $this->get_excluded_product_categories() ) ) ) {
			$valid = false;
		}

		// Sale Items excluded from discount.
		if ( $this->get_exclude_sale_items() && $product->is_on_sale() ) {
			$valid = false;
		}

		return apply_filters( 'woocommerce_coupon_is_valid_for_product', $valid, $product, $this, $values );
	}