<?php

declare(strict_types=1);

namespace App\Form\Service\Condition;

use App\Form\Model\BookingDto;
use App\Form\Service\Contract\FieldConditionInterface;

/**
 * Condition that checks if the participant is the applicant.
 *
 * This is used to apply field state logic (e.g., enable/disable fields)
 * specifically for the applicant participant in the booking.
 *
 * The default logic assumes the applicant is the first participant (index 0),
 * but this can be adjusted if your domain uses a different rule or property.
 */
class ApplicantCondition implements FieldConditionInterface
{
    /**
     * Evaluates if the participant is the applicant.
     *
     * @param BookingDto           $bookingDto       The current booking data (create or edit)
     * @param int                  $participantIndex The index of the participant being evaluated
     * @param array<string, mixed> $formData         Current form data (unused)
     *
     * @return bool True if the participant is the applicant, false otherwise
     */
    public function evaluate(BookingDto $bookingDto, int $participantIndex, array $formData): bool
    {
        // Default: applicant is the first participant (index 0)
        return 0 === $participantIndex;
    }

    public function getDependentFields(): array
    {
        return [];
    }

    public function getDescription(): string
    {
        return 'Checks if the participant is the applicant (index 0)';
    }
}