<?php

declare(strict_types=1);

namespace App\Model;

use Hyperf\DbConnection\Model\Model;

/**
 * @property int $id 
 * @property int $user_id 
 * @property string $balance 
 * @property string $integral 
 */
class UserAccount extends Model
{
    /**
     * The table associated with the model.
     */
    protected ?string $table = 'user_account';

    /**
     * The attributes that are mass assignable.
     */
    protected array $fillable = [];
    protected array $guarded = [];

    /**
     * The attributes that should be cast to native types.
     */
    protected array $casts = ['id' => 'integer', 'user_id' => 'integer'];

    const CREATED_AT = null;
    const UPDATED_AT = null;

    /**
     * @param int $userId
     * @return \Hyperf\Database\Model\Model|UserAccount|null
     */
    public function getAccountByUserId(int $userId): \Hyperf\Database\Model\Model|UserAccount|null
    {
        return $this->where('user_id',$userId)->first();
    }

    /**
     * 增加积分
     * @param $userId
     * @param $num
     * @return int
     */
    public function incPointByUserId($userId, $num): int
    {
        return $this->where('id', $userId)->increment('integral', $num);
    }

    /**
     * 减少积分
     * @param $userId
     * @param $num
     * @return int
     */
    public function decIntegralByUserId($userId, $num): int
    {
        return $this->where('id', $userId)->decrement('integral', $num);
    }


    /**
     * 增加余额
     * @param $userId
     * @param $num
     * @return int
     */
    public function incBalanceByUserId($userId, $num): int
    {
        return $this->where('id', $userId)->increment('balance', $num);
    }

    /**
     * 减少余额
     * @param $userId
     * @param $num
     * @return int
     */
    public function decBalanceByUserId($userId, $num): int
    {
        return $this->where('id', $userId)->decrement('balance', $num);
    }
}