<?php
/**
 * Update staff-only booking notes.
 *
 * @package Bookline
 */

declare( strict_types=1 );

namespace Bookline\Application\Booking;

use Bookline\Domain\Booking\Booking;
use Bookline\Domain\Booking\BookingRepository;
use Bookline\Domain\Shared\Clock;
use Bookline\Domain\Shared\DomainException;

/**
 * Persist internal notes from the admin drawer.
 *
 * @since 0.1.0
 */
final class UpdateBookingNotesHandler {

	/**
	 * Constructor.
	 *
	 * @param BookingRepository $bookings Booking port.
	 * @param Clock             $clock    Clock.
	 */
	public function __construct(
		private readonly BookingRepository $bookings,
		private readonly Clock $clock,
	) {}

	/**
	 * Replace internal notes.
	 *
	 * @param int         $booking_id Booking id.
	 * @param string|null $notes      Notes, or null to clear.
	 *
	 * @throws DomainException When the booking is missing.
	 *
	 * @since 0.1.0
	 */
	public function handle( int $booking_id, ?string $notes ): Booking {
		$booking = $this->bookings->find_by_id( $booking_id );
		if ( null === $booking ) {
			throw new DomainException( 'booking.not_found', 'Booking not found.' );
		}

		$booking->set_internal_notes( $notes, $this->clock->now() );
		$this->bookings->save( $booking, false );

		return $booking;
	}
}