<?php

declare(strict_types=1);

namespace App\Service;

use App\BusProNet\Model\Room;
use App\Form\Model\RoomGroupsDto;

/**
 * Groups room data for booking steps.
 */
class BookingRoomSelectionService
{
    /**
     * @param array<int, Room> $rooms
     */
    public function groupRoomsBySelectionType(array $rooms): RoomGroupsDto
    {
        $groups = [
            Room::SELECTION_TYPE_BY_PAX => [],
            Room::SELECTION_TYPE_BY_ROOM => [],
        ];

        foreach ($rooms as $room) {
            if (false !== stripos($room->label, 'bett')) {
                $groups[Room::SELECTION_TYPE_BY_PAX][$room->id] = $room;
                continue;
            }

            $groups[Room::SELECTION_TYPE_BY_ROOM][$room->id] = $room;
        }

        uasort($groups[Room::SELECTION_TYPE_BY_PAX], static fn (Room $a, Room $b): int => $a->maxPax <=> $b->maxPax);
        uasort($groups[Room::SELECTION_TYPE_BY_ROOM], static fn (Room $a, Room $b): int => $a->maxPax <=> $b->maxPax);

        return new RoomGroupsDto(
            byPax: $groups[Room::SELECTION_TYPE_BY_PAX],
            byRoom: $groups[Room::SELECTION_TYPE_BY_ROOM],
        );
    }
}