/**
	 * Filter the location used for taxes based on the chosen pickup location.
	 *
	 * @param array $address Location args.
	 * @return array
	 */
	public function filter_taxable_address( $address ) {

		if ( null === WC()->session ) {
			return $address;
		}
		// We only need to select from the first package, since pickup_location only supports a single package.
		$chosen_method          = current( WC()->session->get( 'chosen_shipping_methods', array() ) ) ?? '';
		$chosen_method_id       = explode( ':', $chosen_method )[0];
		$chosen_method_instance = explode( ':', $chosen_method )[1] ?? 0;

		// phpcs:ignore WooCommerce.Commenting.CommentHooks.MissingHookComment
		if ( $chosen_method_id && true === apply_filters( 'woocommerce_apply_base_tax_for_local_pickup', true ) && in_array( $chosen_method_id, LocalPickupUtils::get_local_pickup_method_ids(), true ) ) {
			$pickup_locations = get_option( 'pickup_location_pickup_locations', [] );
			$pickup_location  = $pickup_locations[ $chosen_method_instance ] ?? [];

			if ( isset( $pickup_location['address'], $pickup_location['address']['country'] ) && ! empty( $pickup_location['address']['country'] ) ) {
				$address = array(
					$pickup_locations[ $chosen_method_instance ]['address']['country'],
					$pickup_locations[ $chosen_method_instance ]['address']['state'],
					$pickup_locations[ $chosen_method_instance ]['address']['postcode'],
					$pickup_locations[ $chosen_method_instance ]['address']['city'],
				);
			}
		}

		return $address;
	}

	/**
	 * Local Pickup requires all packages to support local pickup. This is because the entire order must be picked up
	 * so that all packages get the same tax rates applied during checkout.
	 *
	 * If a shipping package does not support local pickup (e.g. if disabled by an extension), this filters the option
	 * out for all packages. This will in turn disable the "pickup" toggle in Block Checkout.
	 *
	 * @param array $packages Array of shipping packages.
	 * @return array
	 */
	public function filter_shipping_packages( $packages ) {
		// Check all packages for an instance of a collectable shipping method.
		$valid_packages = array_filter(
			$packages,
			function( $package ) {
				$shipping_method_ids = ArrayUtil::select( $package['rates'] ?? [], 'get_method_id', ArrayUtil::SELECT_BY_OBJECT_METHOD );
				return ! empty( array_intersect( LocalPickupUtils::get_local_pickup_method_ids(), $shipping_method_ids ) );
			}
		);

		// Remove pickup location from rates arrays.
		if ( count( $valid_packages ) !== count( $packages ) ) {
			$packages = array_map(
				function( $package ) {
					if ( ! is_array( $package['rates'] ) ) {
						$package['rates'] = [];
						return $package;
					}
					$package['rates'] = array_filter(
						$package['rates'],
						function( $rate ) {
							return ! in_array( $rate->get_method_id(), LocalPickupUtils::get_local_pickup_method_ids(), true );
						}
					);
					return $package;
				},
				$packages
			);
		}

		return $packages;
	}

	/**
	 * Track local pickup settings changes via Store API
	 *
	 * @param bool              $served Whether the request has already been served.
	 * @param \WP_REST_Response $result The response object.
	 * @param \WP_REST_Request  $request The request object.
	 * @return bool
	 */
	public function track_local_pickup( $served, $result, $request ) {
		if ( '/wp/v2/settings' !== $request->get_route() ) {
			return $served;
		}
		// Param name here comes from the show_in_rest['name'] value when registering the setting.
		if ( ! $request->get_param( 'pickup_location_settings' ) && ! $request->get_param( 'pickup_locations' ) ) {
			return $served;
		}

		$event_name = 'local_pickup_save_changes';

		$settings  = $request->get_param( 'pickup_location_settings' );
		$locations = $request->get_param( 'pickup_locations' );

		$data = array(
			'local_pickup_enabled'     => 'yes' === $settings['enabled'] ? true : false,
			'title'                    => __( 'Local Pickup', 'woocommerce' ) === $settings['title'],
			'price'                    => '' === $settings['cost'] ? true : false,
			'cost'                     => '' === $settings['cost'] ? 0 : $settings['cost'],
			'taxes'                    => $settings['tax_status'],
			'total_pickup_locations'   => count( $locations ),
			'pickup_locations_enabled' => count(
				array_filter(
					$locations,
					function( $location ) {
						return $location['enabled']; }
				)
			),
		);

		WC_Tracks::record_event( $event_name, $data );

		return $served;
	}

	/**
	 * Check if legacy local pickup is activated in any of the shipping zones or in the Rest of the World zone.
	 *
	 * @since 8.8.0
	 *
	 * @return bool
	 */
	public static function is_legacy_local_pickup_active() {
		$rest_of_the_world                          = \WC_Shipping_Zones::get_zone_by( 'zone_id', 0 );
		$shipping_zones                             = \WC_Shipping_Zones::get_zones();
		$rest_of_the_world_data                     = $rest_of_the_world->get_data();
		$rest_of_the_world_data['shipping_methods'] = $rest_of_the_world->get_shipping_methods();
		array_unshift( $shipping_zones, $rest_of_the_world_data );

		foreach ( $shipping_zones as $zone ) {
			foreach ( $zone['shipping_methods'] as $method ) {
				if ( 'local_pickup' === $method->id && $method->is_enabled() ) {
					return true;
				}
			}
		}

		return false;
	}
}