<?php

namespace App\Services;

use App\Exceptions\BizException;
use App\Models\User;

class QuotaV1Service
{
    /**
     * 变老配额余额
     *
     * @param \App\Models\User $user
     * @param float $changeBalance
     * @param int $action
     * @param string|null $remarks
     * @param mixed $loggable
     * @return void
     */
    public function changeBalance(User $user, float $changeBalance, int $action, ?string $remarks = null, $loggable = null)
    {
        if ($changeBalance === 0) {
            return;
        }

        $userInfo = $user->userInfo()->lockForUpdate()->first();

        if ($userInfo === null) {
            throw new BizException('系统错误');
        }

        // 变更前余额
        $beforeBalance = $userInfo->quota_v1;
        $_changeBalance = abs($changeBalance);

        if ($changeBalance > 0) {
            // 收入
            $user->userInfo()->increment('quota_v1', $_changeBalance);
        } else {
            // 支出
            if ($userInfo->quota_v1 < $_changeBalance) {
                throw new BizException('老配额不足');
            }

            $user->userInfo()->decrement('quota_v1', $_changeBalance);
        }

        $user->walletLogs()->create([
            'loggable_id' => $loggable?->id,
            'loggable_type' => $loggable?->getMorphClass(),
            'before_balance' => $beforeBalance,
            'change_balance' => $changeBalance,
            'action' => $action,
            'remarks' => $remarks,
        ]);
    }
}