<?php

namespace App\Models\Concerns;

use Illuminate\Support\Str;

/**
 * Assigns a random UUID on creation. Records that expose a `uuid` column use it
 * as their route key (R11: URLs address records by UUID, not integer PK).
 */
trait HasUuid
{
    protected static function bootHasUuid(): void
    {
        static::creating(function ($model) {
            if (empty($model->uuid)) {
                $model->uuid = (string) Str::uuid();
            }
        });
    }

    public function getRouteKeyName(): string
    {
        return 'uuid';
    }
}