<?php

namespace App\Support;

use App\Models\AuditLog;
use Illuminate\Support\Facades\Auth;

class AuditLogger
{
    public static function log(string $action, ?object $auditable = null, array $metadata = []): void
    {
        // Normalize metadata so it can be safely JSON encoded (files, dates, objects)
        $safeMetadata = collect($metadata)->map(function ($value) {
            if (is_null($value) || is_scalar($value)) {
                return $value;
            }

            if ($value instanceof \DateTimeInterface) {
                return $value->format('c');
            }

            if ($value instanceof \Illuminate\Http\UploadedFile) {
                return [
                    'original_name' => $value->getClientOriginalName(),
                    'size' => $value->getSize(),
                    'mime' => $value->getMimeType(),
                ];
            }

            if (is_array($value)) {
                return $value;
            }

            if ($value instanceof \JsonSerializable) {
                return $value->jsonSerialize();
            }

            if (is_object($value)) {
                return method_exists($value, 'toArray')
                    ? $value->toArray()
                    : (string) $value;
            }

            return $value;
        })->toArray();

        AuditLog::create([
            'user_id' => optional(Auth::user())->id,
            'action' => $action,
            'auditable_type' => $auditable ? get_class($auditable) : null,
            'auditable_id' => $auditable->id ?? null,
            'metadata' => $safeMetadata,
        ]);
    }
}