package cn.unizk.pay.handler;

import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.IdUtil;
import cn.unizk.entity.dto.PlaceOrderCommonDTO;
import cn.unizk.entity.po.MobileOrder;
import cn.unizk.entity.po.MobileOrderItem;
import cn.unizk.enums.OrderStatus;
import cn.unizk.enums.OrderTypeEnum;
import cn.unizk.exception.BusinessException;
import cn.unizk.mapper.MobileOrderItemMapper;
import cn.unizk.mapper.MobileOrderMapper;
import cn.unizk.pay.dto.BasePayResponse;
import cn.unizk.pay.dto.CoursePayParam;
import cn.unizk.pay.dto.PayBaseRequest;
import cn.unizk.pay.enums.PayChannelEnum;
import cn.unizk.pay.enums.PaySceneEnum;
import cn.unizk.properties.HuiFuVendorProperties;
import cn.unizk.utils.HFSignUtil;
import cn.unizk.utils.HttpUtil;
import com.alibaba.fastjson2.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.time.LocalDateTime;
import java.util.Date;
import java.util.Objects;

/**
 * @Author hao
 * @Date 2026/7/7 17:01
 * @Version 1.0
 **/
@Component
@Slf4j
public class CoursePayHandler extends PaySceneHandler<CoursePayParam> {

    @Resource
    private HuiFuVendorProperties vendorProperties;
    @Resource
    private MobileOrderMapper mobileOrderMapper;
    @Resource
    private MobileOrderItemMapper mobileOrderItemMapper;

    @Override
    public <R extends BasePayResponse> R scenePay(CoursePayParam param) {
        if (param.getPayChannel().equals(PayChannelEnum.WECHAT.name()) && param.getStep() == 1){
            BasePayResponse basePayResponse = new BasePayResponse();
            MobileOrder mobileOrder = new MobileOrder();
            String snowflakeNextIdStr = IdUtil.getSnowflakeNextIdStr();
            mobileOrder.setOrderId(snowflakeNextIdStr);
            mobileOrder.setMobileUserId(param.getMobileAppUserId());
            mobileOrder.setCourseId(param.getCourseId());
            mobileOrder.setDescription(PaySceneEnum.COURSE_PAY.getDescription());
            BigDecimal price = new BigDecimal(param.getActualPayPrice());
            price = price.setScale(2, RoundingMode.DOWN);
            mobileOrder.setTotalPrice(price);
            mobileOrder.setStatus(OrderStatus.unpaid.name());
            mobileOrder.setCreateTime(LocalDateTime.now());
            mobileOrderMapper.insert(mobileOrder);
            basePayResponse.setOrderId(snowflakeNextIdStr);
            return (R) basePayResponse;
        }
        log.info("param={}",param);
        String now = DateUtil.format(new Date(), "yyyyMMdd");
        BigDecimal price = new BigDecimal(param.getActualPayPrice());
        price = price.setScale(2, RoundingMode.DOWN);
        PlaceOrderCommonDTO dto = new PlaceOrderCommonDTO();
        dto.setPrice(price.toString());
        dto.setReqDate(now);
        String reqSeqId = HFSignUtil.getReqSeqId();
        dto.setReqSeqId(reqSeqId);
        dto.setDescribe(PaySceneEnum.COURSE_PAY.getDescription());
        JSONObject commonParams = super.createCommonParams(param,dto);
        String res = HttpUtil.doPostJson(vendorProperties.getPayApi(), null, commonParams);
        log.info("汇付下单返回：{}", res);
        JSONObject response = JSONObject.parseObject(res);
        if (response == null) {
            throw new BusinessException("下单失败");
        }
        JSONObject responseData = response.getJSONObject("data");
        String resp_code = responseData.getString("resp_code");
        String pay_info = responseData.getString("pay_info");
        log.info("下单返回支付信息pay_info={}",pay_info);
        if ("00000000".equals(resp_code) || "00000100".equals(resp_code)){
            if (param.getPayChannel().equals(PayChannelEnum.ALIPAY.name())){
                MobileOrder mobileOrder = new MobileOrder();
                String snowflakeNextIdStr = IdUtil.getSnowflakeNextIdStr();
                mobileOrder.setOrderId(snowflakeNextIdStr);
                mobileOrder.setOutTradeNo(reqSeqId);
                mobileOrder.setStatus(OrderStatus.unpaid.name());
                mobileOrder.setOrderType(OrderTypeEnum.COURSE_PAY.getCode());
                mobileOrder.setDescription(param.getGoodDesc());
                mobileOrder.setCourseId(param.getCourseId());
                mobileOrder.setTotalPrice(price);
                mobileOrder.setDeliveryWay("自提");
                mobileOrder.setCreateTime(LocalDateTime.now());
                mobileOrder.setMobileUserId(param.getMobileAppUserId());
                mobileOrderMapper.insert(mobileOrder);
            /*MobileOrderItem mobileOrderItem = new MobileOrderItem();
            mobileOrderItem.setMobileOrderId(mobileOrder.getOrderId());
            mobileOrderItem.setQuantity(1);
            mobileOrderItem.setPrice(price);
            mobileOrderItem.setCourseId(param.getCourseId());
            mobileOrderItemMapper.insert(mobileOrderItem);*/
                responseData.put("orderId",snowflakeNextIdStr);
            }else if (param.getPayChannel().equals(PayChannelEnum.WECHAT.name()) && param.getStep() == 2){
                MobileOrder mobileOrder = mobileOrderMapper.selectById(param.getOrderId());
                if (Objects.isNull(mobileOrder)){
                    throw new BusinessException(String.format("orderId:%s不存在",param.getOrderId()));
                }
                mobileOrder.setOutTradeNo(reqSeqId);
                mobileOrder.setOrderType(OrderTypeEnum.COURSE_PAY.getCode());
                mobileOrder.setMobileUserId(param.getMobileAppUserId());
                mobileOrderMapper.updateById(mobileOrder);
            }
            return super.createResponse(param.getPayChannel(),responseData);
        }
        throw new BusinessException("下单失败");
    }

    @Override
    public PaySceneEnum getSceneEnum() {
        return null;
    }
}