<?php

namespace App\Form\Model;

use App\BusProNet\Constants;
use App\BusProNet\Model\Booking;
use App\BusProNet\Model\PersonalData;
use App\BusProNet\Model\Travel;
use Symfony\Component\Validator\Constraints as Assert;

class BookingEditDto implements BookingDtoInterface
{
    public ?Booking $booking = null;
    public ?Travel $travel = null;

    /**
     * @var array<int, ParticipantDto>
     */
    #[Assert\Valid]
    public array $participants = [];

    public static function fromBooking(Booking $booking, Travel $travel): static
    {
        $instance = new static();

        $instance->booking = $booking;
        $instance->travel = $travel;

        foreach ($booking->participants as $index => $participant) {
            /** @var PersonalData $participant */
            $participantData = ParticipantDto::fromPersonalData($participant);
            $participantData->index = $index;

            $participantData->courses = $booking
                ->getAdditionalServicesForParticipantByGroup($index, Constants::TOKEN_COURSES);
            $participantData->skiPass = $booking
                ->getAdditionalServicesForParticipantByGroup($index, Constants::TOKEN_SKI_PASS);
            $participantData->additionalServices = $booking
                ->getAdditionalServicesForParticipantByGroup($index, Constants::TOKEN_ADDITIONAL);
            $participantData->board = $booking
                ->getAdditionalServicesForParticipantByGroup($index, Constants::TOKEN_BOARD);
            $participantData->rentals = $booking
                ->getAdditionalServicesForParticipantByGroup($index, Constants::TOKEN_RENTALS);
            // Different keys for direction used in booking data (H <=> HIN, R <=> RUECK)!
            $participantData->transportationServiceTo = $booking
                ->getTransportationServiceForParticipantAndDirection($index, 'H');
            $participantData->transportationServiceFro = $booking
                ->getTransportationServiceForParticipantAndDirection($index, 'R');
            $participantData->pickup = $booking->getPickupForParticipant($index);

            $instance->participants[$index] = $participantData;
        }

        return $instance;
    }

    public function isCanceled(): bool
    {
        return 'S' === $this->booking->status;
    }

    public function isOption(): bool
    {
        return 'O' === $this->booking->status;
    }

    public function getParticipants(): array
    {
        return $this->participants;
    }

    public function getTravel(): Travel
    {
        return $this->travel;
    }

    public function hasParticipant(int $index): bool
    {
        return isset($this->participants[$index]);
    }

    public function getParticipant(int $index): ?ParticipantDto
    {
        return $this->participants[$index] ?? null;
    }

    /**
     * Gets all selected rooms for the booking (edit context).
     *
     * @return array<int, RoomSelectionDto> Always returns an empty array for edit DTOs unless implemented.
     */
    public function getSelectedRooms(): array
    {
        return [];
    }
}