package com.xzx.gc.shop.service;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.xzx.gc.common.utils.StringUtils;
import com.xzx.gc.common.constant.Constants;
import com.xzx.gc.common.exception.RestException;
import com.xzx.gc.common.utils.IdUtils;
import com.xzx.gc.entity.*;
import com.xzx.gc.shop.dto.*;
import com.xzx.gc.shop.mapper.*;
import com.xzx.gc.shop.vo.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import tk.mybatis.mapper.entity.Example;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.util.*;

@Service
@Transactional
@Slf4j
public class OrderService {

    @Resource
    ScoreOrderMapper scoreOrderMapper;

    @Resource
    ScoreExpressInfoMapper scoreExpressInfoMapper;

    @Resource
    ScoreOrderDetailsMapper scoreOrderDetailsMapper;

    @Resource
    private AddressInfoMapper addressInfoMapper;

    @Autowired
    private AccountInfoMapper accountInfoMapper;

    @Autowired
    private ScoreGoodsStyleMapper scoreGoodsStyleMapper;

    @Autowired
    private ScoreGoodsSkuMapper scoreGoodsSkuMapper;

    @Autowired
    private ScoreGoodsMapper scoreGoodsMapper;
    @Autowired
    private ScoreDetailsMapper scoreDetailsMapper;

    @Autowired
    private IdUtils idUtils;

    public Map<String, Object> queryOrderList(QueryOrderListDto model) {
        String accountName = model.getName();
        String name = StrUtil.isEmpty(model.getName())?model.getName():StringUtils.encode(model.getName());
        String orderNo = model.getOrderNo();
        List<Integer> status = new ArrayList<>();
        if(CollUtil.isNotEmpty(model.getStatus())){
            status = model.getStatus();
        }
        if(CollUtil.isEmpty(model.getStatus())){
            status.add(1);
            status.add(2);
            status.add(3);
            status.add(4);
            status.add(5);
            status.add(6);
        }
        Date createdTimeStart = model.getCreatedTimeStart();
        Date createdTimeEnd = model.getCreatedTimeEnd();
        PageHelper.startPage(model.getPage(), model.getLimit());
        Integer namePx = model.getNamePx() == null ? 2 : model.getNamePx();
        Integer typePx = model.getTypePx() == null ? 2 : model.getTypePx();
        List<QueryOrderListVo> maps = scoreOrderMapper.queryOrderList(name,accountName,orderNo,status,createdTimeStart,createdTimeEnd,namePx,typePx);
        if(CollUtil.isNotEmpty(maps)){
            for(QueryOrderListVo queryOrderListVo : maps){
                String decode = StringUtils.decode(queryOrderListVo.getName());
                queryOrderListVo.setName(decode);
                BigDecimal totalPrice = new BigDecimal(StrUtil.isEmpty(queryOrderListVo.getTotalPrice()) ? "0" : queryOrderListVo.getTotalPrice())
                        .setScale( 2, BigDecimal.ROUND_DOWN );
                queryOrderListVo.setTotalPrice(totalPrice.toString());

                Long id = queryOrderListVo.getId();
                Example example = new Example(ScoreOrderDetails.class);
                Example.Criteria criteria = example.createCriteria();
                criteria.andEqualTo("orderId",id);
                List<ScoreOrderDetails> scoreOrderDetails = scoreOrderDetailsMapper.selectByExample(example);
                if(CollUtil.isNotEmpty(scoreOrderDetails)){
                    queryOrderListVo.setOrderDetails(scoreOrderDetails);
//                    StringBuffer stringBuffer = new StringBuffer();
//                    for(ScoreOrderDetails scoreOrderDetail : scoreOrderDetails){
//                        String goodsName = scoreOrderDetail.getGoodsName();
//                        BigDecimal unitPrice = scoreOrderDetail.getUnitPrice();
//                        String sku = scoreOrderDetail.getSku();
//                        Integer cnt = scoreOrderDetail.getCnt();
//                        BigDecimal totalPriceOrderDetail = scoreOrderDetail.getTotalPrice();
//                        stringBuffer = stringBuffer.append(goodsName+"(")
//                                .append("规格："+sku+","+unitPrice.setScale( 2, BigDecimal.ROUND_DOWN ).toString()+"*"+cnt.toString()+",")
//                                .append("总价："+totalPriceOrderDetail.setScale( 2, BigDecimal.ROUND_DOWN ).toString()+";)");
//                    }
//                    queryOrderListVo.setOrderDetails(stringBuffer.toString());
                }
            }
        }
        PageInfo pageInfo = new PageInfo(maps);
        int count = Convert.toInt(pageInfo.getTotal());
        Map<String, Object> map = new HashMap<>();
        map.put("data", maps);
        map.put("count", count);
        map.put("code", 0);
        return map;
    }

    public ViewOrderVo viewOrder(Long id) {
        ViewOrderVo viewOrderVo = new ViewOrderVo();
        ScoreOrder scoreOrder = scoreOrderMapper.selectByPrimaryKey(id);
        if(ObjectUtil.isNotEmpty(scoreOrder)){
            /**
             * 获取基本信息
             * 获取物流信息
             * 获取商品订单详情
             */
            ObjectMapper objectMapper = new ObjectMapper();
            objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
            viewOrderVo = objectMapper.convertValue(scoreOrder, ViewOrderVo.class);
//            String voucherImg = viewOrderVo.getVoucherImg();
            String voucherImg = scoreOrder.getVoucherImg();
            List<String> lists = StrUtil.splitTrim(voucherImg, ",");
            viewOrderVo.setVoucherImgs(lists);
            //2-待收货3-已收货4-已完成5-已评价,获取物流信息
            Integer status = scoreOrder.getStatus() == null ? 0:scoreOrder.getStatus();
//            if(ScoreOrder.STATUS_DOING == status
//                    || ScoreOrder.STATUS_DONE == status
//                    || ScoreOrder.STATUS_ON == status
//                    || ScoreOrder.STATUS_EVALUATE == status){
                Example exampleExpress = new Example(ScoreExpressInfo.class);
                Example.Criteria criteriaExpress = exampleExpress.createCriteria();
                criteriaExpress.andEqualTo("orderId",id);
                ScoreExpressInfo scoreExpressInfo = scoreExpressInfoMapper.selectOneByExample(exampleExpress);
                ExpressInfoVo expressInfoVo = objectMapper.convertValue(scoreExpressInfo, ExpressInfoVo.class);
                viewOrderVo.setExpressInfoVo(expressInfoVo);
//            }
            //订单详情
            Example exampleDetails = new Example(ScoreOrderDetails.class);
            Example.Criteria criteriaDetails = exampleDetails.createCriteria();
            criteriaDetails.andEqualTo("orderId",id);
            List<ScoreOrderDetails> scoreOrderDetails = scoreOrderDetailsMapper.selectByExample(exampleDetails);
            if(CollUtil.isNotEmpty(scoreOrderDetails)){
                viewOrderVo.setScoreOrderDetails(scoreOrderDetails);
            }

        }
        return viewOrderVo;
    }

    public Long deliverGoods(DeliverGoodsDto model) {
        /**
         * 获取物流表的信息
         * 更新物流信息
         * 更新订单状态
         */
        Long id = model.getId();
        Example exampleExpress = new Example(ScoreExpressInfo.class);
        Example.Criteria criteriaExpress = exampleExpress.createCriteria();
        criteriaExpress.andEqualTo("orderId",id);
        ScoreExpressInfo scoreExpressInfo = scoreExpressInfoMapper.selectOneByExample(exampleExpress);
        if(ObjectUtil.isNotEmpty(scoreExpressInfo)){
            scoreExpressInfo.setExpressNo(model.getExpressNo());
            scoreExpressInfo.setExpressCom(model.getExpressCom());
            scoreExpressInfoMapper.updateByPrimaryKeySelective(scoreExpressInfo);

            ScoreOrder scoreOrder = new ScoreOrder();
            scoreOrder.setId(id);
            scoreOrder.setStatus(ScoreOrder.STATUS_ON);
            scoreOrderMapper.updateByPrimaryKeySelective(scoreOrder);
        }
        return id;
    }

    public Long insureOrder(InsureOrderDto model) {
        long id = model.getId();
        ScoreOrder scoreOrderBefore = scoreOrderMapper.selectByPrimaryKey(id);
        ScoreOrder scoreOrder = new ScoreOrder();
        scoreOrder.setId(model.getId());
        if(ScoreOrder.STATUS_DOING == scoreOrderBefore.getStatus()){
            scoreOrder.setStatus(ScoreOrder.STATUS_DONE);
        }
//        scoreOrder.setStatus(ScoreOrder.STATUS_DONE);
        scoreOrder.setIsFinish(ScoreOrder.ISFINISH_YES);
        scoreOrder.setVoucherImg(CollUtil.join(model.getVoucherImgs(),","));
        scoreOrderMapper.updateByPrimaryKeySelective(scoreOrder);
        return scoreOrder.getId();
    }

    public void addOrder(AddGoodsOrderDto addGoodsOrderDto) {
        ScoreGoodsStyle style = scoreGoodsStyleMapper.selectByPrimaryKey(addGoodsOrderDto.getStyleId());
        ScoreGoodsSku sku = scoreGoodsSkuMapper.selectByPrimaryKey(addGoodsOrderDto.getSkuId());
        ScoreGoods goods = scoreGoodsMapper.selectByPrimaryKey(style.getGoodsId());
        if (goods == null || ScoreGoods.ISSALE_NO.equals(goods.getIsSale())) {
            throw new RestException(-3, "商品不存在或已下架");
        }

//        if (ScoreGoods.ISQG_YES.equals(goods.getIsQg())) {
//            if (new Date().before(goods.getQgStartTime())) {
//                throw new RestException(-3, "抢购未开始");
//            }
//
//            if (new Date().after(goods.getQgEndTime())) {
//                throw new RestException(-3, "抢购已结束");
//            }
//        }

        if (addGoodsOrderDto.getCnt() > sku.getStock()) {
            throw new RestException(-3, "库存不足");
        }

        AccountInfo accountInfo = accountInfoMapper.selectAccountInfoByUserId(addGoodsOrderDto.getUserId());
        if (accountInfo.getCollectScore() == null) {
            throw new RestException(-3, "积分不足");
        }

        BigDecimal totalPrice = BigDecimal.ZERO;
        if (ScoreGoods.ISQG_YES.equals(goods.getIsQg())) {
            //限购数量
            Integer quotaTime = goods.getQuotaTime() == null ? 0:goods.getQuotaTime();
            //抢购时间内，用户购买该商品的数量
            Integer sumCnt = scoreOrderMapper.selectGoodsQuotaTime(addGoodsOrderDto.getUserId(),goods.getId(),goods.getQgStartTime(),goods.getQgEndTime());
            //剩余限购数量
            quotaTime = quotaTime-sumCnt;
            if(goods.getQgStartTime().before(new Date()) && goods.getQgEndTime().after(new Date())){
                if(addGoodsOrderDto.getCnt() <= quotaTime){
                    totalPrice = sku.getPresentPrice().multiply(BigDecimal.valueOf(quotaTime));
                }else{
                    if(quotaTime > 0){
                        totalPrice = sku.getPresentPrice().multiply(BigDecimal.valueOf(quotaTime)).add(
                                sku.getOriginalPrice().multiply(BigDecimal.valueOf(addGoodsOrderDto.getCnt()-quotaTime)));
                    }else{
                        totalPrice = sku.getOriginalPrice().multiply(BigDecimal.valueOf(addGoodsOrderDto.getCnt()));
                    }
                }
            }else{
                //开启抢购，不再时间内，直接原价* 数量
                totalPrice = sku.getOriginalPrice().multiply(BigDecimal.valueOf(addGoodsOrderDto.getCnt()));
            }
        }else{
            //没有开启抢购，直接现价* 数量
            totalPrice = sku.getPresentPrice().multiply(BigDecimal.valueOf(addGoodsOrderDto.getCnt()));
        }
        BigDecimal score = new BigDecimal(accountInfo.getCollectScore());
        if (score.compareTo(totalPrice) < 0) {
            throw new RestException(-3, "积分不足");
        }

        ScoreOrder order = new ScoreOrder();
        order.setOrderNo(idUtils.generate("JF", 9));
        order.setCnt(addGoodsOrderDto.getCnt());
        order.setTotalPrice(totalPrice);
        order.setCreatedTime(new Date());
        order.setUserId(addGoodsOrderDto.getUserId());
        order.setStatus(ScoreOrder.STATUS_READY);
        order.setGoodsName(goods.getName());
        order.setRemark(addGoodsOrderDto.getRemark());
        scoreOrderMapper.insert(order);

        ScoreOrderDetails orderDetails = new ScoreOrderDetails();
        orderDetails.setGoodsName(goods.getName());
        orderDetails.setStyle(style.getName());
        orderDetails.setSku(sku.getName());
        orderDetails.setOrderId(order.getId());
        orderDetails.setCnt(addGoodsOrderDto.getCnt());
        orderDetails.setTotalPrice(totalPrice);
        orderDetails.setUnitPrice(sku.getPresentPrice());
        orderDetails.setGoodsId(goods.getId());
        orderDetails.setSkuId(sku.getId());
        orderDetails.setThumb(goods.getThumb());
        scoreOrderDetailsMapper.insert(orderDetails);

        AddressInfo addressInfo = addressInfoMapper.selectByPrimaryKey(addGoodsOrderDto.getAddressId());
        ScoreExpressInfo expressInfo = new ScoreExpressInfo();
        expressInfo.setUsername(addressInfo.getRelaName());
        expressInfo.setPhone(addressInfo.getMobilePhone());
        expressInfo.setUserId(addressInfo.getUserId());
        expressInfo.setOrderId(order.getId());
        StringBuffer address = new StringBuffer();
        address.append(addressInfo.getAddressArea());
        address.append(addressInfo.getDetailAddress());
        if (StrUtil.isNotBlank(addressInfo.getTagName())) {
            address.append(StrUtil.isNotBlank(addressInfo.getHouseName()) ? addressInfo.getHouseName() : "");
            if (Constants.ADDRESS_TYPE_HOME.equals(addressInfo.getTagName())) {
                address.append(StrUtil.isNotBlank(addressInfo.getUnitName()) ? addressInfo.getUnitName() : "");
                address.append(StrUtil.isNotBlank(addressInfo.getHouseNumber()) ? addressInfo.getHouseNumber() : "");
            }
        }
        expressInfo.setAddress(address.toString());
        expressInfo.setCreatedTime(new Date());
        scoreExpressInfoMapper.insert(expressInfo);

        BigDecimal remianScore = score.subtract(totalPrice).setScale(0, BigDecimal.ROUND_DOWN);
        accountInfo.setCollectScore(remianScore.toString());
        accountInfoMapper.updateByPrimaryKey(accountInfo);

        ScoreDetails scoreDetails = new ScoreDetails();
        scoreDetails.setOrderNo(order.getOrderNo());
        scoreDetails.setUserId(addGoodsOrderDto.getUserId());
        scoreDetails.setType(ScoreDetails.SCORE_TYPE_SHOPPING);
        scoreDetails.setOriginalScore(score);
        scoreDetails.setCurrentScore(remianScore);
        scoreDetails.setChangeScore(totalPrice.negate());
        scoreDetails.setCreatedTime(new Date());
        scoreDetailsMapper.insert(scoreDetails);

        sku.setStock(sku.getStock() - addGoodsOrderDto.getCnt());
        sku.setQuantity(sku.getQuantity() + addGoodsOrderDto.getCnt());
        scoreGoodsSkuMapper.updateByPrimaryKey(sku);
    }

    public Long cancelOrder(CancelOrderDto model) {
        /**
         * 更新订单状态
         * 增加一条取消订单积分退回的记录
         * 查询所有的订单详情，依次库存增加，销量减少
         */
        ScoreOrder scoreOrder = new ScoreOrder();
        scoreOrder.setId(model.getId());
        scoreOrder.setStatus(ScoreOrder.STATUS_CANCEL);
        scoreOrderMapper.updateByPrimaryKeySelective(scoreOrder);

        ScoreOrder order = scoreOrderMapper.selectByPrimaryKey(model.getId());
        Example exampleDetails = new Example(ScoreDetails.class);
        Example.Criteria criteriaDetails = exampleDetails.createCriteria();
        criteriaDetails.andEqualTo("orderNo",order.getOrderNo());
        criteriaDetails.andEqualTo("userId",order.getUserId());
        criteriaDetails.andEqualTo("type",ScoreDetails.SCORE_TYPE_SHOPPING);
        ScoreDetails scoreDetails = scoreDetailsMapper.selectOneByExample(exampleDetails);
        if(ObjectUtil.isNotEmpty(scoreDetails)){
            AccountInfo accountInfo = accountInfoMapper.selectAccountInfoByUserId(order.getUserId());
            BigDecimal score = new BigDecimal(accountInfo.getCollectScore());
            BigDecimal remianScore = score.add(scoreDetails.getChangeScore()).setScale(0, BigDecimal.ROUND_DOWN);
            ScoreDetails scoreDetailsRet = new ScoreDetails();
            scoreDetailsRet.setOrderNo(scoreDetails.getOrderNo());
            scoreDetailsRet.setUserId(scoreDetails.getUserId());
            scoreDetailsRet.setType(ScoreDetails.SCORE_TYPE_SHOPPING_RETURN);
            scoreDetailsRet.setOriginalScore(score);
            scoreDetailsRet.setCurrentScore(remianScore);
            scoreDetailsRet.setChangeScore(scoreDetails.getChangeScore());
            scoreDetailsRet.setCreatedTime(new Date());
            scoreDetailsMapper.insert(scoreDetailsRet);
        }

        Example exampleScoreOrderDetails = new Example(ScoreOrderDetails.class);
        Example.Criteria criteriaScoreOrderDetails = exampleScoreOrderDetails.createCriteria();
        criteriaScoreOrderDetails.andEqualTo("orderId",order.getId());
        List<ScoreOrderDetails> scoreOrderDetails = scoreOrderDetailsMapper.selectByExample(exampleScoreOrderDetails);
        if(CollUtil.isNotEmpty(scoreOrderDetails)){
            for(ScoreOrderDetails scoreOrderDetail : scoreOrderDetails){
                ScoreGoodsSku scoreGoodsSku = scoreGoodsSkuMapper.selectByPrimaryKey(scoreOrderDetail.getSkuId());
                if(ObjectUtil.isNotEmpty(scoreGoodsSku)){
                    scoreGoodsSku.setStock(scoreGoodsSku.getStock() + scoreOrderDetail.getCnt());
                    scoreGoodsSku.setQuantity(scoreGoodsSku.getQuantity() - scoreOrderDetail.getCnt());
                    scoreGoodsSkuMapper.updateByPrimaryKey(scoreGoodsSku);
                }
            }
        }
        return scoreOrder.getId();
    }

    public PageInfo<XcxOrderListVo> orderList(XcxOrderListDto xcxOrderListDto) {
        PageHelper.startPage(xcxOrderListDto.getPageNo(), xcxOrderListDto.getPageSize());
        List<XcxOrderListVo> data = scoreOrderMapper.selectXcxOrderList(xcxOrderListDto);
        return new PageInfo<>(data);
    }

    public XcxOrderDetailsVo orderDetails(Long id) {
        return scoreOrderMapper.selectXcxOrderDetails(id);
    }

    public void confirmOrder(Long id, String userId) {
        ScoreOrder order = scoreOrderMapper.selectByPrimaryKey(id);
        if (order == null) {
            throw new RestException(-3, "订单不存在");
        }

        if (!order.getUserId().equals(userId)) {
            throw new RestException(-3, "订单不存在");
        }

        if (!ScoreOrder.STATUS_ON.equals(order.getStatus())) {
            throw new RestException(-3, "暂不能确认收货");
        }

        if (ScoreOrder.ISFINISH_YES.equals(order.getIsFinish())) {
            scoreOrderMapper.updateOrderStatus(id, ScoreOrder.STATUS_DONE, userId);
        } else {
            scoreOrderMapper.updateOrderStatus(id, ScoreOrder.STATUS_DOING, userId);
        }

    }

    public void cancelOrder(Long id, String userId) {
        ScoreOrder order = scoreOrderMapper.selectByPrimaryKey(id);
        if (order == null) {
            throw new RestException(-3, "订单不存在");
        }

        if (!order.getUserId().equals(userId)) {
            throw new RestException(-3, "订单不存在");
        }

        if (!ScoreOrder.STATUS_READY.equals(order.getStatus())) {
            throw new RestException(-3, "订单不能取消");
        }

        scoreOrderMapper.updateOrderStatus(id, ScoreOrder.STATUS_CANCEL, userId);


        // 退积分
        AccountInfo accountInfo = accountInfoMapper.selectAccountInfoByUserId(userId);
        BigDecimal score = new BigDecimal(accountInfo.getCollectScore()).add(order.getTotalPrice()).setScale(0, BigDecimal.ROUND_DOWN);

        ScoreDetails scoreDetails = new ScoreDetails();
        scoreDetails.setOriginalScore(new BigDecimal(accountInfo.getCollectScore()));
        scoreDetails.setCurrentScore(score);
        scoreDetails.setChangeScore(order.getTotalPrice());
        scoreDetails.setOrderNo(order.getOrderNo());
        scoreDetails.setType(ScoreDetails.SCORE_TYPE_SHOPPING_RETURN);
        scoreDetails.setCreatedTime(new Date());
        scoreDetails.setUserId(userId);
        scoreDetailsMapper.insert(scoreDetails);

        accountInfo.setCollectScore(score.toString());
        accountInfoMapper.updateByPrimaryKey(accountInfo);



        // 减销量 加库存
        List<ScoreOrderDetails> details = scoreOrderDetailsMapper.selectOrderDetailsByOrderId(order.getId());
        if (CollUtil.isNotEmpty(details)) {
            for (ScoreOrderDetails detail : details) {
                ScoreGoodsSku sku = scoreGoodsSkuMapper.selectByPrimaryKey(detail.getSkuId());
                if (sku == null) {
                    continue;
                }

                sku.setQuantity(sku.getQuantity() - detail.getCnt());
                sku.setStock(sku.getStock() + detail.getCnt());
                scoreGoodsSkuMapper.updateByPrimaryKey(sku);
            }
        }
    }

    public StatisticsVo orderStatistics(String userId) {
        BigDecimal score = scoreDetailsMapper.selectTotalScoreByUserId(userId, ScoreDetails.SCORE_TYPE_EXCHANGE);

        Map<String, Object> userData = scoreOrderMapper.selectOrderStastics(userId);
        Map<String, Object> allData = scoreOrderMapper.selectOrderStastics(null);

        StatisticsVo statisticsVo = new StatisticsVo();
        statisticsVo.setScore(score);
        BigDecimal userPrice = (BigDecimal) userData.get("totalPrice");
        statisticsVo.setReduceCarbon(userPrice.divide(BigDecimal.TEN, 2, BigDecimal.ROUND_DOWN));
        statisticsVo.setOrderCnt(Integer.parseInt(userData.get("totalOrder").toString()));

        BigDecimal totalPrice = (BigDecimal) allData.get("totalPrice");
        statisticsVo.setTotalReduceCarbon(totalPrice.divide(BigDecimal.TEN, 2, BigDecimal.ROUND_DOWN));
        statisticsVo.setTotalOrderCnt(Integer.parseInt(allData.get("totalOrder").toString()));
        statisticsVo.setTotalBuyCnt(Integer.parseInt(allData.get("totalBuy").toString()));
        return statisticsVo;
    }
}