/*
 * Copyright (c) 2021-2031, 河北计全科技有限公司 (https://www.jeequan.com & jeequan@126.com).
 * <p>
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.gnu.org/licenses/lgpl.html
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jeequan.jeepay.pay.channel.wxpay.payway;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.github.binarywang.wxpay.bean.order.WxPayMpOrderResult;
import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
import com.github.binarywang.wxpay.constant.WxPayConstants;
import com.github.binarywang.wxpay.exception.WxPayException;
import com.github.binarywang.wxpay.service.WxPayService;
import com.jeequan.jeepay.core.entity.PayOrder;
import com.jeequan.jeepay.core.exception.BizException;
import com.jeequan.jeepay.pay.channel.wxpay.WxpayPaymentService;
import com.jeequan.jeepay.pay.channel.wxpay.kits.WxpayKit;
import com.jeequan.jeepay.pay.rqrs.AbstractRS;
import com.jeequan.jeepay.pay.rqrs.payorder.UnifiedOrderRQ;
import com.jeequan.jeepay.pay.rqrs.payorder.payway.WxJsapiOrderRQ;
import com.jeequan.jeepay.pay.rqrs.payorder.payway.WxJsapiOrderRS;
import com.jeequan.jeepay.pay.rqrs.msg.ChannelRetMsg;
import com.jeequan.jeepay.pay.util.ApiResBuilder;
import com.jeequan.jeepay.pay.model.MchAppConfigContext;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

/*
 * 微信 小程序支付
 *
 * @author zhuxiao
 * @site https://www.jeequan.com
 * @date 2021/6/8 18:08
 */
@Service("wxpayPaymentByLiteService") //Service Name需保持全局唯一性
public class WxLite extends WxpayPaymentService {

    @Override
    public String preCheck(UnifiedOrderRQ rq, PayOrder payOrder) {

        WxJsapiOrderRQ bizRQ = (WxJsapiOrderRQ) rq;
        if(StringUtils.isEmpty(bizRQ.getOpenid())){
            throw new BizException("[openid]不可为空");
        }

        return null;
    }

    @Override
    public AbstractRS pay(UnifiedOrderRQ rq, PayOrder payOrder, MchAppConfigContext mchAppConfigContext) throws Exception{

        WxJsapiOrderRQ bizRQ = (WxJsapiOrderRQ) rq;

        WxPayUnifiedOrderRequest req = buildUnifiedOrderRequest(payOrder, mchAppConfigContext);
        req.setTradeType(WxPayConstants.TradeType.JSAPI);
        req.setOpenid(bizRQ.getOpenid());

        // 构造函数响应数据
        WxJsapiOrderRS res = ApiResBuilder.buildSuccess(WxJsapiOrderRS.class);
        ChannelRetMsg channelRetMsg = new ChannelRetMsg();
        res.setChannelRetMsg(channelRetMsg);

        // 调起上游接口：
        // 1. 如果抛异常，则订单状态为： 生成状态，此时没有查单处理操作。 订单将超时关闭
        // 2. 接口调用成功， 后续异常需进行捕捉， 如果 逻辑代码出现异常则需要走完正常流程，此时订单状态为： 支付中， 需要查单处理。
        WxPayService wxPayService = mchAppConfigContext.getWxServiceWrapper().getWxPayService();
        try {
            WxPayMpOrderResult payResult = wxPayService.createOrder(req);
            JSONObject resJSON = (JSONObject) JSON.toJSON(payResult);
            resJSON.put("package", payResult.getPackageValue());

            res.setPayInfo(resJSON.toJSONString());

            // 支付中
            channelRetMsg.setChannelState(ChannelRetMsg.ChannelState.WAITING);

        } catch (WxPayException e) {
            channelRetMsg.setChannelState(ChannelRetMsg.ChannelState.CONFIRM_FAIL);
            WxpayKit.commonSetErrInfo(channelRetMsg, e);
        }

        return res;
    }

}
