<?php

namespace App\Http\Resources;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class TripResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        return [
            'id' => $this->id,
            'name' => $this->name,
            'description' => $this->description,
            'user' => new UserResource($this->whenLoaded('user')),
            'cities' => CityResource::collection($this->whenLoaded('cities')),
            'cities_count' => $this->whenCounted('cities'),
            'created_at' => $this->created_at?->toISOString(),
            'updated_at' => $this->updated_at?->toISOString(),
        ];
    }
}