<?php

namespace App\Models;

use App\Helpers\Str;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class UserInfo extends Model
{
    use HasFactory;

    public const GENDER_UNKNOWN = 'unknown';    // 未知
    public const GENDER_MALE = 'male';          // 男性
    public const GENDER_FEMALE = 'female';      // 女性

    /**
     * @var array
     */
    protected $attributes = [
        'gender' => self::GENDER_UNKNOWN,
    ];

    /**
     * @var array
     */
    protected $fillable = [
        'user_id',
        'inviter_id',
        'nickname',
        'avatar',
        'gender',
        'birthday',
    ];

    /**
     * @var array
     */
    protected $casts = [
        'birthday' => 'date',
    ];

    /**
     * {@inheritdoc}
     */
    protected static function booted()
    {
        parent::saving(function ($userInfo) {
            // 如果没有邀请码，则自动分配邀请码
            if ($userInfo->code === null) {
                do {
                    $userInfo->code = Str::randomAlpha(6);
                } while (static::where('code', $userInfo->code)->exists());
            }

            // 邀请码统一小写
            $userInfo->code = strtolower($userInfo->code);
        });
    }
}