<?php

namespace App\DTO;

use ReflectionClass;
use JsonSerializable;
use Illuminate\Contracts\Support\Arrayable;

readonly class BaseDTO implements Arrayable, JsonSerializable
{
    /**
     * Create a new DTO from an array of data.
     */
    public static function fromArray(array $data): static
    {
        $reflection = new ReflectionClass(static::class);
        $constructor = $reflection->getConstructor();

        if (!$constructor) {
            throw new \RuntimeException('DTO must have a constructor');
        }

        $properties = [];
        foreach ($constructor->getParameters() as $parameter) {
            $properties[$parameter->getName()] = $data[$parameter->getName()]
                ?? ($parameter->isOptional() ? $parameter->getDefaultValue() : null);
        }

        return new static(...$properties);
    }

    /**
     * Convert the DTO to an array.
     */
    public function toArray(): array
    {
        return get_object_vars($this);
    }

    /**
     * Convert the DTO to JSON.
     */
    public function jsonSerialize(): array
    {
        return $this->toArray();
    }
}