package com.doumee.core.wx;

import com.doumee.core.constants.ResponseStatus;
import com.doumee.core.exception.BusinessException;
import com.doumee.core.utils.ID;
import com.github.binarywang.wxpay.bean.request.BaseWxPayRequest;
import com.github.binarywang.wxpay.bean.request.WxPayRefundRequest;
import com.github.binarywang.wxpay.bean.result.WxPayRefundResult;
import com.github.binarywang.wxpay.exception.WxPayException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;

/**
 * 微信小程序-公共方法
 */
@Service
@Slf4j
public class WxMiniUtilService {


    /**
     * 订单微信退款
     * orderNo:商户订单号
     * totalPrice：订单总金额
     * refundPrice；退款金额
     */
    @Transactional(rollbackFor = Exception.class)
    public static String wxRefund(String orderNo, BigDecimal totalPrice, BigDecimal refundPrice) {
        try {
            // 发送退款请求
            String refNum = ID.nextGUID();
            WxPayRefundRequest request = new WxPayRefundRequest();
            request.setOutTradeNo(orderNo);
            request.setOutRefundNo(refNum);
           // request.setTotalFee(2);
          //  request.setRefundFee(1);
            request.setTotalFee(BaseWxPayRequest.yuanToFen(totalPrice.toString()));
            request.setRefundFee(BaseWxPayRequest.yuanToFen(refundPrice.toString()));
            WxPayRefundResult response = WxMiniConfig.wxPayService.refund(request);
            if ("SUCCESS".equals(response.getReturnCode()) && "SUCCESS".equals(response.getResultCode())) {
                return refNum;
            } else {
                throw  new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),response.getErrCode() + response.getErrCodeDes());
            }
        } catch (WxPayException e) {
            e.printStackTrace();
        }
        throw  new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"退款发生异常请联系管理员");
    }
}