package com.ruoyi.system.service.impl;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.system.config.ICBCConfig;
import com.ruoyi.system.dto.PhysicalGoodsPlaceOrderDTO;
import com.ruoyi.system.mapper.TPhysicalGoodsMapper;
import com.ruoyi.system.mapper.TPhysicalGoodsOrderMapper;
import com.ruoyi.system.model.TPhysicalGoods;
import com.ruoyi.system.model.TPhysicalGoodsOrder;
import com.ruoyi.system.query.BigGiftPackageQuery;
import com.ruoyi.system.service.TPhysicalGoodsOrderService;
import com.ruoyi.system.utils.ICBCPayUtil;
import com.ruoyi.system.utils.OrderCodeGenerator;
import com.ruoyi.system.vo.PlaceOrderVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.Collections;
import java.util.List;

/**
 * <p>
 * 实物商品订单 服务实现类
 * </p>
 *
 * @author xiaochen
 * @since 2025-12-08
 */
@Slf4j
@Service
public class TPhysicalGoodsOrderServiceImpl extends ServiceImpl<TPhysicalGoodsOrderMapper, TPhysicalGoodsOrder> implements TPhysicalGoodsOrderService {

    @Resource
    private TPhysicalGoodsMapper physicalGoodsMapper;

    @Resource
    private ICBCPayUtil icbcPayUtil;

    @Autowired
    private ICBCConfig icbcConfig;

    @Override
    public Page<TPhysicalGoodsOrder> pageList(BigGiftPackageQuery query) {
        Page<TPhysicalGoodsOrder> page = new Page<>(query.getPageNum(), query.getPageSize());
        return this.baseMapper.pageList(page, query);
    }

    @Override
    public List<TPhysicalGoodsOrder> export(BigGiftPackageQuery query) {
        return this.baseMapper.export(query);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public PlaceOrderVO placeOrder(PhysicalGoodsPlaceOrderDTO dto, Integer appUserId, String openid) {
        // 1. 校验商品是否存在
        TPhysicalGoods physicalGoods = physicalGoodsMapper.selectById(dto.getPhysicalGoodsId());
        if (physicalGoods == null) {
            throw new ServiceException("商品不存在");
        }

        // 2. 创建订单
        TPhysicalGoodsOrder order = new TPhysicalGoodsOrder();
        String orderCode = OrderCodeGenerator.generatePhysicalGoodsOrderCode();
        order.setCode(orderCode);
        order.setAppUserId(appUserId);
        order.setCreateTime(LocalDateTime.now());
        order.setPhysicalGoodsId(dto.getPhysicalGoodsId());
        order.setPhysicalGoods(JSON.toJSONString(physicalGoods));
        order.setOrderPrice(physicalGoods.getTotalPrice());
        order.setPaymentPrice(physicalGoods.getTotalPrice());
        // 支付方式：1=微信
        order.setPaymentMethod(1);
        // 订单状态：1=待付款
        order.setStatus(1);
        order.setDelFlag(0);

        this.save(order);

        // 3. 更新商品销量
        Integer currentSales = physicalGoods.getSales() == null ? 0 : physicalGoods.getSales();
        physicalGoods.setSales(currentSales + 1);
        physicalGoodsMapper.updateById(physicalGoods);

        // 4. 调用工行支付
        log.info("实物商品下单，订单号：{}，支付金额：{}，用户ID：{}", orderCode, physicalGoods.getTotalPrice(), appUserId);
        JSONObject paymentParams = icbcPayUtil.wechatPay(orderCode, physicalGoods.getTotalPrice(), physicalGoods.getName(), openid,icbcConfig.getNotifyUrl()+"/physical/pay-notify");

        // 5. 构建返回结果
        PlaceOrderVO vo = new PlaceOrderVO();
        vo.setOrderIds(Collections.singletonList(order.getId()));
        vo.setOrderCodes(Collections.singletonList(orderCode));
        vo.setPaymentParams(paymentParams);
        return vo;
    }
}