<?php
namespace app\common\model;
use think\Model;
use think\Db;
/**
 * 货币模型
 */
class Wallet extends Model
{
    /**
     * 获取交易类型配置
     * @return mixed
     */
    public function getlogtype($type = '')
    {
        $conf = config('wallet.logtype');
        if($type){
            return $conf[$type] ?: $type;
        }
        return $conf;
    }

    //获取钱包名称
    public function getwalletname($name = ''){
        $conf = config('wallet.moneyname');
        if($name){
            return $conf[$name] ?: $name;
        }
        return $conf;
    }

    /**
     * 获取钱包余额
     * @param string $username 用户编号
     * @param string $wallet_name 指定钱包名
     * @return array|float
     */
    public function getWallet($user_id = '', $wallet_name = '')
    {
        //所有钱包余额
        $wallet = Db::name('user_wallet')->lock(true)->where(['user_id' => $user_id])->find();
        if(!$wallet) {
            abort(500,'钱包余额获取失败');
        }

        if($wallet_name) { //返回指定钱包
            return isset($wallet[$wallet_name]) ? $wallet[$wallet_name] : 0;
        } else { //返回所有钱包
            return $wallet;
        }
    }


    /**
     *
     * @param floatval $number 金额（正数进账，负数出账）
     * @param $accountType 货币类型，money,score
     * @param $logtype 日志的类型
     * @param $remark  备注
     * @param $user_id  用户id
     * @param $table  来源表
     * @param $data_id  表id
     * @param $isAdmin 是否是管理员处理
     * @return array
     * @return array[status]
     * @return array[msg]
     * @return array[log_table]
     * @return array[log_id]
     */
    public function lockChangeAccountRemain($user_id,$accountType='money',$number,$logtype='',$remark='',$table='',$table_id=0,$isAdmin=false)
    {
        //初始化
        $result = array(
            'status'=>false,
            'code' => 0, //报错时候采用
            'msg'=>'',
            'log_table' => '',
            'log_id' => '',
        );

        //获取小数点
        $point = $accountType == 'money' ? 2 : 0;
        bcscale($point);

        //钱包名称
        $wallet_name = $this->getwalletname($accountType);

        //检测
        $number = floatval( $number );
        if( $number == 0 )
        {
            $result['msg'] = '交易金额:0';
            return $result;
        }
        if(0 === bccomp($number, 0)){
            $result['msg'] = '交易金额:0';
            return $result;
        }


        //检测
        $wallet = Db::name('user_wallet')->lock(true)->where(['user_id'=>$user_id])->find();
        if(!$wallet)
        {
            $result['msg'] = '不存在的用户';
            return $result;
        }

        if(bccomp(bcadd($wallet[$accountType], $number), 0) === -1)
        {
            $result['code'] = 10;
            $result['msg'] = $wallet_name.'余额不足!';
            return $result;
        }

        if(0 !== bccomp($number, 0))
        {

            //钱币记录
            $data = array();
            $data['user_id'] = $user_id;
            $data['log_type'] = $logtype;
            $data['before'] = $wallet[$accountType];
            $data['change_value'] = $number;
            $data['remain'] = bcadd($wallet[$accountType], $number);
            $data['table'] = $table;
            $data['table_id'] = $table_id;
            $data['remark'] = $remark;
            $data['createtime'] = time();
            $data['updatetime'] = time();

            //新的方式
            $rs1 = Db::name('user_wallet')->where(['user_id'=>$user_id])->update([$accountType => $data['remain']]);

            /////////////
            $log_table = 'user_'.$accountType.'_log';

            $rs2_id = Db::name($log_table)->insertGetId($data);

            if($rs1 === false || $rs2_id === false){
                $result['msg'] = '更新财务记录失败!';
                return $result;
            }

            if( $rs1 !== false && $rs2_id !== false )
            {
                $result['status'] = true;
                $result['msg'] = '账户余额已更新!';
                $result['log_table'] = $accountType.'_log';
                $result['log_id'] = $rs2_id;

                return $result;
            }
            else
            {
                $result['msg'] = '更新财务记录失败!';
                return $result;
            }
        } else {
            $result['msg'] = '金额不足0.01';
            return $result;
        }

    }


}