<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

/**
 * Remembers what the alert scanner has already seen so each event notifies once.
 */
class AlertState extends Model
{
    public $incrementing = false;

    protected $primaryKey = 'key';

    protected $keyType = 'string';

    protected $fillable = ['key', 'state'];

    protected function casts(): array
    {
        return ['state' => 'array'];
    }

    /**
     * @return array<string, mixed>|null
     */
    public static function read(string $key): ?array
    {
        return static::find($key)?->state;
    }

    /**
     * @param  array<string, mixed>  $state
     */
    public static function write(string $key, array $state): void
    {
        static::updateOrCreate(['key' => $key], ['state' => $state]);
    }
}