<?php

namespace Modules\Builder\Services;

use Illuminate\Support\Facades\DB;
use Modules\Builder\Models\BuilderDocument;

final class BuilderDocumentService
{
    public function save(BuilderDocument $document, array $payload, ?int $userId = null): BuilderDocument
    {
        return DB::transaction(function () use ($document, $payload, $userId) {
            if ($document->exists && $document->isDirty()) {
                $document->versions()->create(['version' => $document->version, 'document' => $document->getOriginal('document') ?: [], 'settings' => $document->getOriginal('settings') ?: [], 'created_by' => $userId]);
            }
            $document->fill($payload);
            $document->updated_by = $userId;
            if (! $document->exists) {
                $document->created_by = $userId;
            } else {
                $document->version++;
            }
            $document->save();

            return $document->refresh();
        });
    }
}