<?php

namespace App\DTO;

use App\Http\Requests\UserLanguageRequest;
use App\Enums\UserLanguageSource;

readonly class UserLanguageDTO
{
    public function __construct(
        public string $language,
    ) {
    }

    public static function fromRequest(UserLanguageRequest $request): self
    {
        return new self(
            language: $request->validated(key: 'language'),
        );
    }

    public static function fromString(string $language): self
    {
        if (!UserLanguageSource::isValid(value: $language)) {
            throw new \InvalidArgumentException(message: 'Invalid language');
        }

        return new self(
            language: $language,
        );
    }

    public static function fromArray(array $data): self
    {
        return new self(
            language: $data['language'],
        );
    }

    public function toArray(): array
    {
        return [
            'language' => $this->language,
        ];
    }

    public function toString(): string
    {
        return $this->language;
    }
}