package com.xzx.gc.order.service;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
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.order.dto.AddJhyOrderDto;
import com.xzx.gc.order.dto.JhyOrderConfirmDto;
import com.xzx.gc.order.dto.JhyOrderConfirmItemsDto;
import com.xzx.gc.order.dto.JhyOrderListDto;
import com.xzx.gc.order.mapper.*;
import com.xzx.gc.order.vo.JhyOrderDetailsVo;
import com.xzx.gc.order.vo.JhyOrderListVo;
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.servlet.http.HttpServletRequest;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

@Slf4j
@Service
@Transactional
public class JhyOrderService {

    @Autowired
    private JhyOrderMapper jhyOrderMapper;

    @Autowired
    private AddressMapper addressMapper;

    @Autowired
    private SysEnvironmentalInfoMapper environmentalInfoMapper;

    @Autowired
    private JhyOrderItemsMapper jhyOrderItemsMapper;

    @Autowired
    private JhyInfoMapper jhyInfoMapper;

    @Autowired
    private AccountMapper accountMapper;

    @Autowired
    private ScoreDetailsMapper scoreDetailsMapper;

    @Autowired
    private IdUtils idUtils;

    public void addJhyOrder(AddJhyOrderDto orderDto) {
//        JhyInfo jhyInfo = jhyInfoMapper.selectJhyInfoByUserId(orderDto.getUserId());
//        if (jhyInfo != null && JhyInfo.CHECK_PASS.equals(jhyInfo.getStatus())) {
//            throw new RestException(-3, "集货员不能下单");
//        }

        // TODO 判断地址附近500米是否有集物员
        String orderNo = idUtils.generate("JW", 10);

        JhyOrder jhyOrder = new JhyOrder();
        AddressInfo addressInfo = addressMapper.selectByPrimaryKey(orderDto.getAddressId());

        jhyOrder.setOrderNo(orderNo);
        jhyOrder.setArea(addressInfo.getAddressArea());

        StringBuffer address = new StringBuffer();
        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.getHouseNumber()) ? addressInfo.getHouseNumber() : "");
                address.append(StrUtil.isNotBlank(addressInfo.getUnitName()) ? addressInfo.getUnitName() : "");
            }
        }
        jhyOrder.setAddress(address.toString());

        jhyOrder.setUsername(addressInfo.getRelaName());
        jhyOrder.setPhone(addressInfo.getMobilePhone());
        jhyOrder.setLongitude(addressInfo.getLongitude());
        jhyOrder.setLatitude(addressInfo.getLatitude());
        jhyOrder.setReserveDate(orderDto.getReserveDate());
        jhyOrder.setReserveTime(orderDto.getReserveTime());
        jhyOrder.setWeight(orderDto.getWeight());
        jhyOrder.setStatus(JhyOrder.ORDER_STATUS_WAITING);
        jhyOrder.setCreatedTime(new Date());
        jhyOrder.setUserId(orderDto.getUserId());
        jhyOrderMapper.insert(jhyOrder);

        long[] typeIds = StrUtil.splitToLong(orderDto.getTypeIds(), ",");
        for (long typeId : typeIds) {
            SysEnvironmentalInfo environmentalInfo = environmentalInfoMapper.selectByPrimaryKey(typeId);

            JhyOrderItems item = new JhyOrderItems();
            item.setOrderId(jhyOrder.getId());
            item.setPicture(environmentalInfo.getPicture());
            item.setItemType(typeId);
            item.setTitle(environmentalInfo.getTitle());
            item.setPrice(new BigDecimal(environmentalInfo.getPrice()));
            jhyOrderItemsMapper.insert(item);
        }
    }

    public PageInfo<JhyOrderListVo> orderList(JhyOrderListDto orderListDto) {
        PageHelper.startPage(orderListDto.getPageNo(), orderListDto.getPageSize());
        List<JhyOrderListVo> data = jhyOrderMapper.selectJhyOrderList(orderListDto);
        return new PageInfo<>(data);
    }

    public JhyOrderDetailsVo orderDetails(Long orderId, String userId) {
        JhyOrder order = jhyOrderMapper.selectByPrimaryKey(orderId);
        List<JhyOrderItems> items = jhyOrderItemsMapper.selectOrderItems(orderId);

        BigDecimal total = BigDecimal.ZERO;
        for (JhyOrderItems item : items) {
            total = total.add(StrUtil.isNotBlank(item.getScore()) ? new BigDecimal(item.getScore()) : BigDecimal.ZERO);
        }

        JhyOrderDetailsVo detailsVo = new JhyOrderDetailsVo();
        BeanUtil.copyProperties(order, detailsVo);

        detailsVo.setAddress(order.getArea() + order.getAddress());
        detailsVo.setTotalPrice(total);
        detailsVo.setItems(items);
        return detailsVo;
    }

    public void grabOrder(Long orderId, String userId) {
        JhyInfo jhyInfo = jhyInfoMapper.selectJhyInfoByUserId(userId);
        if (jhyInfo == null || !JhyInfo.CHECK_PASS.equals(jhyInfo.getStatus())) {
            throw new RestException(-3, "不是集货员");
        }

        JhyOrder order = jhyOrderMapper.selectByPrimaryKey(orderId);
        if (order == null) {
            throw new RestException(-3, "订单不存在");
        }

        order.setJhyId(userId);
        order.setStatus(JhyOrder.ORDER_STATUS_IMG);
        jhyOrderMapper.updateByPrimaryKey(order);
    }

    public void cancelOrder(Long orderId, String userId) {
        JhyOrder order = jhyOrderMapper.selectByPrimaryKey(orderId);

        if (!userId.equals(order.getUserId()) && !userId.equals(order.getJhyId())) {
            throw new RestException(-3, "无权限操作");
        }

        order.setStatus(JhyOrder.ORDER_STATUS_CANCEL);
        jhyOrderMapper.updateByPrimaryKey(order);
    }

    public void confirmOrder(JhyOrderConfirmDto confirmDto) {
        JhyInfo jhyInfo = jhyInfoMapper.selectJhyInfoByUserId(confirmDto.getUserId());
        if (jhyInfo == null || !JhyInfo.CHECK_PASS.equals(jhyInfo.getStatus())) {
            throw new RestException(-3, "不是集物员");
        }

        JhyOrder order = jhyOrderMapper.selectByPrimaryKey(confirmDto.getOrderId());
        order.setStatus(JhyOrder.ORDER_STATUS_CONFIRM);
        order.setReceivingTime(new Date());
        jhyOrderMapper.updateByPrimaryKey(order);

        BigDecimal totalScore = BigDecimal.ZERO;
        for (JhyOrderConfirmItemsDto item : confirmDto.getItems()) {
            JhyOrderItems orderItem = jhyOrderItemsMapper.selectByPrimaryKey(item.getId());
            BigDecimal total = orderItem.getPrice().multiply(BigDecimal.valueOf(40)).multiply(new BigDecimal(item.getWeight()));
            orderItem.setScore(total.setScale(0, BigDecimal.ROUND_DOWN).toString());
            orderItem.setWeight(new BigDecimal(item.getWeight()));
            jhyOrderItemsMapper.updateByPrimaryKey(orderItem);

            totalScore = totalScore.add(total);
        }

        AccountInfo jhyAccount = accountMapper.selectAccountInfoByUserId(order.getJhyId());
        BigDecimal jhyScore = StrUtil.isBlank(jhyAccount.getCollectScore()) ? BigDecimal.ZERO : new BigDecimal(jhyAccount.getCollectScore());
        ScoreDetails jhyScoreDetail = new ScoreDetails();
        jhyScoreDetail.setOrderNo(order.getOrderNo());
        jhyScoreDetail.setUserId(order.getJhyId());
        jhyScoreDetail.setType(ScoreDetails.SCORE_TYPE_PAY);
        jhyScoreDetail.setChangeScore(totalScore.negate());
        jhyScoreDetail.setOriginalScore(jhyScore);
        jhyScoreDetail.setCurrentScore(jhyScore.subtract(totalScore));
        scoreDetailsMapper.insert(jhyScoreDetail);

        AccountInfo userAccount = accountMapper.selectAccountInfoByUserId(order.getUserId());
        BigDecimal userScore = StrUtil.isBlank(userAccount.getCollectScore()) ? BigDecimal.ZERO : new BigDecimal(userAccount.getCollectScore());
        ScoreDetails userScoreDetail = new ScoreDetails();
        userScoreDetail.setOrderNo(order.getOrderNo());
        userScoreDetail.setUserId(order.getJhyId());
        userScoreDetail.setType(ScoreDetails.SCORE_TYPE_EXCHANGE);
        userScoreDetail.setChangeScore(totalScore);
        userScoreDetail.setOriginalScore(userScore);
        userScoreDetail.setCurrentScore(userScore.add(totalScore));
        scoreDetailsMapper.insert(userScoreDetail);
    }
}