<?php

declare(strict_types=1);

namespace App\Model;

/**
 * A room selection the current travel data no longer supports in full.
 *
 * A room that disappeared altogether is the same case with nothing left to book, so it is reported
 * as an adjustment down to zero rather than as a second kind of result.
 */
final readonly class RoomSelectionAdjustment
{
    public function __construct(
        public int $roomId,
        public ?string $label,
        public int $requestedQuantity,
        public int $bookableQuantity,
    ) {
    }

    /**
     * Whether the room is gone entirely rather than merely reduced.
     */
    public function isDropped(): bool
    {
        return 0 === $this->bookableQuantity;
    }
}