package com.oying.modules.sh.service.impl;

import com.alibaba.fastjson2.JSONObject;
import com.oying.exception.BadRequestException;
import com.oying.modules.hwc.domain.HwcResponse;
import com.oying.modules.hwc.service.SwiftPassService;
import com.oying.modules.pc.product.domain.Product;
import com.oying.modules.pc.product.domain.enums.ProductStatusEnum;
import com.oying.modules.pc.product.service.ProductService;
import com.oying.modules.pc.store.domain.Store;
import com.oying.modules.pc.store.service.StoreService;
import com.oying.modules.sh.domain.*;
import com.oying.modules.sh.domain.request.GeneratorOrder;
import com.oying.modules.sh.domain.request.ProductOrder;
import com.oying.modules.sh.domain.request.StatusOrder;
import com.oying.modules.sh.domain.request.SubmitOrder;
import com.oying.modules.sh.domain.vo.OrderInfo;
import com.oying.modules.sh.domain.vo.OrderResponse;
import com.oying.modules.sh.domain.vo.ProductInfo;
import com.oying.modules.sh.service.*;
import com.oying.utils.*;
import com.oying.utils.enums.*;
import lombok.RequiredArgsConstructor;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.oying.modules.sh.domain.dto.OrderQueryCriteria;
import com.oying.modules.sh.mapper.OrderMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.sql.Timestamp;
import java.util.*;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author lixin
 * @description 服务实现
 * @date 2025-06-11
 **/
@Service
@RequiredArgsConstructor
public class OrderServiceImpl extends ServiceImpl<OrderMapper, Order> implements OrderService {

    private final OrderMapper orderMapper;
    private final UserAddressService userAddressService;
    private final ProductService productService;
    private final SwiftPassService swiftPassService;
    private final OrderProductSnapshotService productSnapshotService;
    private final OrderAddressSnapshotService addressSnapshotService;
    private final RedisUtils redisUtils;
    private final StoreService storeService;
    private final OrderOperationLogService operationLogService;
    private final static String DESCRIBE = "哦应：";

    @Override
    public PageResult<Order> queryAll(OrderQueryCriteria criteria, Page<Object> page) {
        criteria.setOffset(page.offset());
        List<Order> list = orderMapper.findAll(criteria, criteria.getBlurry());
        Long total = orderMapper.countAll(criteria, criteria.getBlurry());
        return PageUtil.toPage(list, total);
    }

    @Override
    public List<Order> queryAll(OrderQueryCriteria criteria) {
        return orderMapper.findAll(criteria, criteria.getBlurry());
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public synchronized Order submitOrder(SubmitOrder submit, HttpServletRequest request) {
        switch (submit.getPayType()) {
            case HWC:
            case HWC2:
                break;
            default:
                throw new BadRequestException("支付类型暂未开放");
        }
        String orderNum = redisUtils.generateOrderSn(GenerateEnum.ORDER.getKey());
        // 总金额
        BigDecimal amount = BigDecimal.ZERO;
        GeneratorOrder generator = new GeneratorOrder();
        generator.setProducts(submit.getProducts());
        generator.setStoreId(submit.getStoreId());
        OrderInfo info = generatorOrder(generator);
        // 商品快照
        List<OrderProductSnapshot> snapshots = new ArrayList<>();
        for (ProductInfo productInfo : info.getProducts()) {
            Product product = productInfo.getProduct();
            OrderProductSnapshot snapshot = new OrderProductSnapshot();
            snapshot.setOrderNum(orderNum);
            snapshot.setStoreId(submit.getStoreId());
            snapshot.setProductId(product.getProductId());
            snapshot.setProductBarcode(product.getBarcode());
            snapshot.setProductName(product.getName());
            snapshot.setProductTitle(product.getTitle());
            snapshot.setProductMainImage(product.getMainImageUrl());
            snapshot.setParamData(JSONObject.toJSONString(productInfo.getProductLabels()));
            snapshot.setUnitPrice(product.getPrice());
            snapshot.setDetailCount(productInfo.getCount());
            snapshot.setOriginalPrice(product.getPrice());
            snapshot.setPaidPrice(product.getPrice());
            BigDecimal decimal = BigDecimalUtils.multiply(product.getPrice(), productInfo.getCount());
            amount = BigDecimalUtils.add(amount, decimal);
            snapshot.setActuallyPayPrice(decimal);
            snapshot.setPayState(PayStateEnum.NOTPAY.getKey());
            snapshots.add(snapshot);
        }
        Timestamp now = DateUtil.getTimeStamp();
        // 下单后30分钟失效
        Timestamp time = DateUtil.addMinute(now, 30);
        String expire = DateUtil.localDateTimeFormat(time.toLocalDateTime(), DateUtil.SDF_YMDHMS);
        String openid = SecurityUtils.getCurrentOpenid();
        if (openid == null || openid.isEmpty()) {
            throw new BadRequestException("OPENID错误");
        }

        // 门店信息
        Store store = storeService.getById(submit.getStoreId());
        if (amount.compareTo(store.getDeliveryMinimum()) >= 0) {
            throw new BadRequestException("起送金额：" + store.getDeliveryMinimum());
        }
        // 订单信息
        Order order = new Order();
        order.setOrderNum(orderNum);
        order.setOrderStoreNum(redisUtils.generateOrderSn(Math.toIntExact(submit.getStoreId())).substring(orderNum.length() - 4));
        order.setOrderStatus(OrderStatusEnum.ZERO.getKey());
        order.setOrderStatusDescribe(OrderStatusEnum.ZERO.getValue());
        order.setOrderRemark(submit.getRemark() != null ? submit.getRemark() : "");
        order.setOrderTime(submit.getDateTime());
        order.setSendPrice(store.getDeliveryFee());
        order.setSendType(SendTypeEnum.LY.getKey());
        order.setUserId(SecurityUtils.getCurrentUserId());
        order.setUsername(SecurityUtils.getCurrentUsername());
        order.setStoreId(submit.getStoreId());
        order.setStoreName(store.getStoreName());
        order.setStoreLogo(store.getLogoImageUrl());
        order.setStoreAddress(store.getAddress());
        order.setStoreLongitude(BigDecimal.valueOf(store.getLongitude()));
        order.setStoreLatitude(BigDecimal.valueOf(store.getLatitude()));
        order.setOrderDescribe(DESCRIBE + submit.getStoreId());
        order.setOriginalPrice(amount);
        order.setPaidPrice(amount);
        order.setActuallyPayPrice(amount);
        order.setOpenid(openid);
        order.setPayType(submit.getPayType().getKey());
        order.setExpireTime(expire);
        order.setOpenid(openid);
        Long total = BigDecimalUtils.yuanToCents(amount);
        if (total > 0) {
            HwcResponse response = swiftPassService.pay(StringUtils.getIp(request), total.toString(), expire,
                    DESCRIBE + submit.getStoreId(), openid, orderNum, submit.getPayType());
            //微信支付下单放回值
            order.setAppId(response.getAppId());
            order.setTimestamp(response.getTimeStamp());
            order.setNonceStr(response.getNonceStr());
            order.setPackageVal(response.getPackageVal());
            order.setSignType(response.getSignType());
            order.setPaySign(response.getPaySign());
            order.setPayState(PayStateEnum.NOTPAY.getKey());
            order.setPayMessage(PayStateEnum.NOTPAY.getValue());
            order.setPayTime(null);
        } else {
            order.setPayState(PayStateEnum.SUCCESS.getKey());
            order.setPayMessage(PayStateEnum.SUCCESS.getValue());
            order.setPayTime(DateUtil.localDateTimeFormat(now.toLocalDateTime(), DateUtil.SDF_YMDHMS));
        }
        UserAddress address = userAddressService.getById(submit.getAddressId());
        OrderAddressSnapshot addressSnapshot = getOrderAddressSnapshot(orderNum, address);


        addressSnapshotService.save(addressSnapshot);
        orderMapper.insert(order);
        productSnapshotService.saveBatch(snapshots);

        order.setProductSnapshots(new HashSet<>(snapshots));
        OrderResponse response = new OrderResponse(order, addressSnapshot, null);

        operationLogService.create(response, OrderStatusEnum.ZERO, null);
        return order;
    }

    private static OrderAddressSnapshot getOrderAddressSnapshot(String orderNum, UserAddress address) {
        OrderAddressSnapshot snapshot = new OrderAddressSnapshot();
        snapshot.setOrderNum(orderNum);
        snapshot.setReceiverName(address.getReceiverName());
        snapshot.setReceiverPhone(address.getReceiverPhone());
        snapshot.setProvince(address.getProvince() != null ? address.getProvince() : "");
        snapshot.setCity(address.getCity() != null ? address.getCity() : "");
        snapshot.setDistrict(address.getDistrict() != null ? address.getDistrict() : "");
        snapshot.setStreet(address.getStreet() != null ? address.getStreet() : "");
        snapshot.setShortAddress(address.getShortAddress());
        snapshot.setDetail(address.getDetail());
        snapshot.setLongitude(address.getLongitude());
        snapshot.setLatitude(address.getLatitude());
        snapshot.setTag(address.getTag());
        return snapshot;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public synchronized OrderInfo generatorOrder(GeneratorOrder criteria) {
        List<ProductInfo> products = new ArrayList<>();
        BigDecimal amount = BigDecimal.ZERO;
        for (ProductOrder productOrder : criteria.getProducts()) {
            Product product = productService.getById(productOrder.getProductId());
            if (product == null) {
                throw new BadRequestException("商品不存在");
            }
            if (!product.getStoreId().equals(criteria.getStoreId())) {
                throw new BadRequestException("不支持跨门店下单");
            }
            if (!product.getStatus().equals(ProductStatusEnum.AVAILABLE.getValue())) {
                ProductStatusEnum statusEnum = ProductStatusEnum.get(product.getStatus());
                throw new BadRequestException(product.getName() + "：" + (statusEnum != null ? statusEnum.getReasonPhrase() : "状态"));
            }
            if (productOrder.getCount() > product.getStockQuantity()) {
                throw new BadRequestException("商品库存不足");
            }
            if (productOrder.getCount() < product.getMinPurchaseQuantity()) {
                throw new BadRequestException("起售数量不足");
            }
            ProductInfo info = new ProductInfo();
            info.setProduct(product);
            info.setProductLabels(product.getLabels());
            info.setCount(productOrder.getCount());
            products.add(info);
            amount = BigDecimalUtils.add(amount, BigDecimalUtils.multiply(product.getPrice(), productOrder.getCount()));
        }
        OrderInfo info = new OrderInfo();
        info.setProducts(products);
        info.setAmount(amount);
        info.setPayAmount(amount);
        info.setPromotionAmount(BigDecimal.ZERO);
        info.setUserAddresses(userAddressService.queryUserAddress());
        return info;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void statusOrder(StatusOrder statusOrder) {
        operationLog(getByOrderNum(statusOrder.getOrderNum()), statusOrder.getStatus(), null);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public OrderResponse getByOrderNum(String orderNum) {
        return new OrderResponse(orderMapper.getByOrderNum(orderNum),
                addressSnapshotService.queryByOrderNum(orderNum),
                operationLogService.getByOrderNum(orderNum));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void operationLog(OrderResponse order, OrderStatusEnum stateEnum, String cardName) {
        operationLogService.create(order, stateEnum, null);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updatePayStatus(String orderNum, PayStateEnum payState, String payMessage, String payTime) {
        orderMapper.updatePayStatus(orderNum, payState.getKey(), payMessage, payTime);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void closeOrder(String orderNum) {
        OrderResponse response = getByOrderNum(orderNum);
        Order order = response.getOrder();
        if (order == null) {
            throw new BadRequestException("订单不存在");
        }
        if (!SecurityUtils.getCurrentUserId().equals(order.getUserId())) {
            throw new BadRequestException("不能修改他人订单");
        }
        if (!order.getPayState().equals(PayStateEnum.NOTPAY.getKey())) {
            throw new BadRequestException(PayStateEnum.getValue(order.getPayState()));
        }
        PayTypeEnum anEnum = PayTypeEnum.find(order.getPayType());
        switch (anEnum) {
            case HWC:
            case HWC2:
                JSONObject object = swiftPassService.query(orderNum, anEnum);
                if (object.getString("trade_state").equals(PayStateEnum.NOTPAY.getKey())) {
                    throw new BadRequestException(PayStateEnum.getValue(order.getPayState()));
                }
                swiftPassService.closeOrder(orderNum, anEnum);
                break;
        }
        operationLogService.create(response, OrderStatusEnum.NINE, null);
        orderMapper.updateCloseStatus(orderNum, PayStateEnum.CLOSED.getKey(), PayStateEnum.CLOSED.getValue());
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void create(Order resources) {
        orderMapper.insert(resources);
        throw new BadRequestException("未开放");
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(Order resources) {
        Order order = getById(resources.getOrderId());
        order.copy(resources);
        orderMapper.updateById(order);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteAll(List<Long> ids) {
        orderMapper.deleteBatchIds(ids);
    }

    @Override
    public void download(List<Order> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (Order order : all) {
            Map<String, Object> map = new LinkedHashMap<>();
            map.put("订单号", order.getOrderNum());
            map.put("用户id", order.getUserId());
            map.put("门店ID", order.getStoreId());
            map.put("门店", order.getStoreName());
            map.put("描述", order.getOrderDescribe());
            map.put("原金额", order.getOriginalPrice());
            map.put("折扣价", order.getPaidPrice());
            map.put("实付金额", order.getActuallyPayPrice());
            map.put("支付状态", order.getPayState());
            map.put("消息", order.getPayMessage());
            map.put("支付类型", order.getPayType());
            map.put("支付时间", order.getPayTime());
            map.put("订单失效时间RFC3339", order.getExpireTime());
            map.put("openid", order.getOpenid());
            map.put("APPID", order.getAppId());
            map.put("创建人", order.getCreateBy());
            map.put("创建时间", order.getCreateTime());
            map.put("修改者", order.getUpdateBy());
            map.put("修改时间", order.getUpdateTime());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}