<?php

namespace App\Data\Chats;

use App\Models\Chat;
use Carbon\CarbonInterface;

final readonly class ChatResponseDto
{
    public function __construct(
        public string $id,
        public CarbonInterface $createdAt,
        public CarbonInterface $updatedAt,
        public string $userId,
        public ?string $title = null,
    ) {}

    public static function fromModel(Chat $chat)
    {
        return new self(
            id: $chat->id,
            createdAt: $chat->created_at,
            updatedAt: $chat->updated_at,
            userId: $chat->user_id,
            title: $chat->title ?? null,
        );
    }
}