<?php

namespace app\common\model;

use think\Exception;
use think\Model;


class MoneyLog extends Model
{
    // 表名
    protected $name = 'money_log';
    
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';

    // 定义时间戳字段名
    protected $createTime = 'create_time';
    protected $updateTime = false;
    protected $deleteTime = false;

    // 追加属性
    protected $append = [
        'create_time_text'
    ];

    //订单状态: 0未支付 1完成 2冻结 3取消
    const Recharge      = 1;
    const Withdraw      = 2;
    const Pay           = 3;
    const PayBack       = 4;
    const OrderBonus    = 5;
    const Commission    = 6;
    const SystemChange  = 7;
    const Reject        = 8;

    protected function getStatusNamesArr(){
        $status_names = [
            '-1'                    => __('全部状态'),
            self::Recharge          => __('充值'),
            self::Withdraw          => __('提现'),
            self::Pay               => __('交易'),
            self::PayBack           => __('交易'),
            self::OrderBonus        => __('佣金'),
            self::Commission        => __('奖励'),
            self::SystemChange      => __('系统'),
            self::Reject            => __('驳回'),
        ];
        return $status_names;
    }
    /*
     * 订单状态
     * 0未支付 1完成 2冻结 3取消
     */
    public function getStatusNames($type = -1){
        $status_names = $this->getStatusNamesArr();
        if($type == -1){
            return $status_names;
        }
        if(isset($status_names[$type])){
            return $status_names[$type];
        }
        return __('未定义');
    }

    /**
     * 变更会员余额
     * @param int    $money   余额
     * @param int    $user_id 会员ID
     * @param string $memo    备注
     */
    public function change($user_id, $amount, $action, $from_id, $memo)
    {
        $user = (new Users())->lock(true)->find($user_id);
        if(empty($user)){
            throw new Exception(__('会员信息不存在'));
        }
        if($amount == 0){
            throw new Exception(__('参数有误'));
        }

        if (!array_key_exists($action, $this->getStatusNamesArr())) {
            throw new Exception(__('账变类型不存在'));
        }

        //余额
        $balance = bcadd($user->balance, $amount, 2);
        //只有支付订单或系统调整的时候，可以余额为负数
        if(($action != self::Pay && $action != self::SystemChange) && $amount < 0 && $balance < 0){
            throw new Exception(__('余额不足'));
        }

        //更新会员信息
        $user->save(['balance' => $balance]);
        //写入日志
        MoneyLog::create([
            'user_id'   => $user_id,
            'amount'    => $amount,
            'balance'   => $balance,
            'action'    => $action,
            'from_id'   => $from_id,
            'note'      => $memo
        ]);
    }
    //
    public function users()
    {
        return $this->hasOne('Users','id','user_id',[],'LEFT')->setEagerlyType(0);
    }

    public function fromuser()
    {
        return $this->hasOne('Users','id','from_id',[],'LEFT')->setEagerlyType(0);
    }


    public function getCreateTimeTextAttr($value, $data)
    {
        $value = $value ? $value : (isset($data['create_time']) ? $data['create_time'] : '');
        return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
    }

    protected function setCreateTimeAttr($value)
    {
        return $value === '' ? null : ($value && !is_numeric($value) ? strtotime($value) : $value);
    }


}