/**
 * Get permalink settings for things like products and taxonomies.
 *
 * As of 3.3.0, the permalink settings are stored to the option instead of
 * being blank and inheritting from the locale. This speeds up page loading
 * times by negating the need to switch locales on each page load.
 *
 * This is more inline with WP core behavior which does not localize slugs.
 *
 * @since  3.0.0
 * @return array
 */
function wc_get_permalink_structure() {
	$saved_permalinks = (array) get_option( 'woocommerce_permalinks', array() );
	$permalinks       = wp_parse_args(
		array_filter( $saved_permalinks ),
		array(
			'product_base'           => _x( 'product', 'slug', 'woocommerce' ),
			'category_base'          => _x( 'product-category', 'slug', 'woocommerce' ),
			'tag_base'               => _x( 'product-tag', 'slug', 'woocommerce' ),
			'attribute_base'         => '',
			'use_verbose_page_rules' => false,
		)
	);

	if ( $saved_permalinks !== $permalinks ) {
		update_option( 'woocommerce_permalinks', $permalinks );
	}

	$permalinks['product_rewrite_slug']   = untrailingslashit( $permalinks['product_base'] );
	$permalinks['category_rewrite_slug']  = untrailingslashit( $permalinks['category_base'] );
	$permalinks['tag_rewrite_slug']       = untrailingslashit( $permalinks['tag_base'] );
	$permalinks['attribute_rewrite_slug'] = untrailingslashit( $permalinks['attribute_base'] );