<?php

namespace App\Models\Lists;

use App\Models\User;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use OwenIt\Auditing\Auditable as AuditableTrait;
use OwenIt\Auditing\Contracts\Auditable;

class UserRole extends Model implements Auditable
{
    use AuditableTrait;
    use HasFactory;

    public const ADMIN = 'Admin';

    public const SUPERVISOR = 'Supervisor';

    public const USER = 'User';

    public const GUEST = 'Guest';

    protected $table = 'user_roles';

    protected $fillable = [
        'name',
        'description',
    ];

    /**
     * Utenti che hanno questo ruolo.
     *
     * @return HasMany<User, $this>
     */
    public function users(): HasMany
    {
        return $this->hasMany(User::class, 'role_id');
    }

    /**
     * Ruolo predefinito di sistema: non eliminabile.
     */
    public function isSystemRole(): bool
    {
        return in_array($this->name, [self::ADMIN, self::SUPERVISOR, self::USER, self::GUEST], true);
    }

    /**
     * Il ruolo è assegnato ad almeno un utente.
     */
    public function isInUse(): bool
    {
        return $this->users()->exists();
    }
}