<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * @property int $id
 * @property string $name
 * @property int|null $parent_id
 * @property int|null $position
 * @property int $max_size_kb
 * @property bool $is_active
 * @mixin \Eloquent
 */
class AttachmentGroup extends Model
{
    protected $fillable = [
        'name',
        'parent_id',
        'position',
        'max_size_kb',
        'is_active',
    ];

    protected $casts = [
        'is_active' => 'bool',
    ];

    public function extensions(): HasMany
    {
        return $this->hasMany(AttachmentExtension::class, 'attachment_group_id');
    }

    public function parent(): BelongsTo
    {
        return $this->belongsTo(self::class, 'parent_id');
    }

    public function children(): HasMany
    {
        return $this->hasMany(self::class, 'parent_id');
    }
}