<?php

namespace App\Models;

use App\Enums\EmailBounceKind;
use Illuminate\Database\Eloquent\Model;

/**
 * Ein Rückläufer-Ereignis (DSN aus dem Postfach, SMTP-Ablehnung im Worker,
 * Import). Idempotent über `message_id`.
 */
class EmailBounce extends Model
{
    public const UPDATED_AT = null;

    protected $fillable = [
        'message_id',
        'email',
        'kind',
        'source',
        'action',
        'status',
        'diagnostic',
        'reference',
        'received_at',
    ];

    /**
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'kind' => EmailBounceKind::class,
            'received_at' => 'datetime',
        ];
    }
}