package com.pz.system.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.pz.common.core.page.TableDataInfo;
import com.pz.common.core.domain.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.pz.common.exception.ServiceException;
import com.pz.common.utils.redis.RedisUtils;
import com.pz.merchant.domain.Employees;
import com.pz.merchant.domain.vo.SonOrderVo;
import com.pz.merchant.mapper.EmployeesMapper;
import com.pz.merchant.service.ISonOrderService;
import com.pz.system.domain.DbwzOrder;
import com.pz.system.domain.TotalOrder;
import com.pz.system.domain.YypzOrder;
import com.pz.system.mapper.TotalOrderMapper;
import com.pz.system.mapper.UserVsitorMapper;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.pz.system.domain.bo.DbghOrderBo;
import com.pz.system.domain.vo.DbghOrderVo;
import com.pz.system.domain.DbghOrder;
import com.pz.system.mapper.DbghOrderMapper;
import com.pz.system.service.IDbghOrderService;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.temporal.ChronoUnit;
import java.util.*;

/**
 * 代办挂号订单Service业务层处理
 *
 * @author ruoyi
 * @date 2023-09-11
 */
@RequiredArgsConstructor
@Service
public class DbghOrderServiceImpl implements IDbghOrderService, ISonOrderService {

    private final DbghOrderMapper baseMapper;

    private final TotalOrderMapper totalOrderMapper;

    private final UserVsitorMapper userVsitorMapper;

    private final EmployeesMapper employeesMapper;

    /**
     * 查询代办挂号订单
     */
    @Override
    public DbghOrderVo queryById(Integer id) {
        return baseMapper.selectVoById(id);
    }

    /**
     * 查询代办挂号订单列表
     */
    @Override
    public TableDataInfo<DbghOrderVo> queryPageList(DbghOrderBo bo, PageQuery pageQuery) {
        Page<DbghOrderVo> result = baseMapper.findDbghOrderVoPage(pageQuery.build(), bo);
        Optional.ofNullable(result.getRecords()).ifPresent(dbghOrderVos -> {
            dbghOrderVos.forEach(dbghOrderVo -> {
                Optional.ofNullable(userVsitorMapper.selectVoById(dbghOrderVo.getVisitor())).ifPresent(
                    // 就诊人员
                    dbghOrderVo::setUserVsitorVo
                );
            });
        });
        return TableDataInfo.build(result);
    }

    /**
     * 查询代办挂号订单列表
     */
    @Override
    public List<DbghOrderVo> queryList(DbghOrderBo bo) {
        LambdaQueryWrapper<DbghOrder> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<DbghOrder> buildQueryWrapper(DbghOrderBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<DbghOrder> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getOrderId() != null, DbghOrder::getOrderId, bo.getOrderId());
        lqw.eq(bo.getHid() != null, DbghOrder::getHid, bo.getHid());
        lqw.eq(bo.getVisitor() != null, DbghOrder::getVisitor, bo.getVisitor());
        lqw.eq(StringUtils.isNotBlank(bo.getVisitTime()), DbghOrder::getVisitTime, bo.getVisitTime());
        lqw.eq(bo.getDid() != null, DbghOrder::getDid, bo.getDid());
        lqw.eq(bo.getStatus() != null, DbghOrder::getStatus, bo.getStatus());
        lqw.eq(bo.getOverTime() != null, DbghOrder::getOverTime, bo.getOverTime());
        lqw.eq(StringUtils.isNotBlank(bo.getVoucher()), DbghOrder::getVoucher, bo.getVoucher());
        return lqw;
    }

    /**
     * 新增代办挂号订单
     */
    @Override
    public Boolean insertByBo(DbghOrderBo bo) {
        DbghOrder add = BeanUtil.toBean(bo, DbghOrder.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());
        }
        return flag;
    }

    /**
     * 修改代办挂号订单
     */
    @Override
    public Boolean updateByBo(DbghOrderBo bo) {
        DbghOrder update = BeanUtil.toBean(bo, DbghOrder.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(DbghOrder entity) {
        // TODO 做一些数据校验,如唯一约束
    }

    /**
     * 批量删除代办挂号订单
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Integer> ids, Boolean isValid) {
        if (isValid) {
            // TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteBatchIds(ids) > 0;
    }

    @Override
    public SonOrderVo getSonOrderSimpleDataByTotalId(Integer totalId) {
        return baseMapper.selectSonOrderInfoByTotalId(totalId);
    }

    /**
     * 切换子订单状态
     *
     * @param totalId 主订单ID
     * @param target  子订单目标状态
     * @return 操作结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean switchSonOrderStatus(Long totalId, Integer target) {
        DbghOrder sonOrder = baseMapper.selectOne(Wrappers.<DbghOrder>lambdaQuery().eq(DbghOrder::getOrderId, totalId));
        Objects.requireNonNull(sonOrder, "子订单不存在,请检查");
        sonOrder.setStatus(target);
        return baseMapper.updateById(sonOrder) > 0;
    }

    /**
     * 查询订单详情
     *
     * @param totalId 主订单ID
     * @return 订单详情
     */
    @Override
    public Object getSonOrderDetailDataByTotalId(Integer totalId) {
        return baseMapper.selectDbghOrderDetailDateByTotalId(totalId);
    }

    /**
     * 陪诊员取消代办挂号订单
     *
     * @param totalId 取消订单
     * @return 操作结果
     */
    @Override
    public boolean accompanyCancellationOfOrder(Integer totalId) {

        TotalOrder totalOrder = totalOrderMapper.selectById(totalId);
        Objects.requireNonNull(totalOrder, "主订单不存在");
        Integer emId = totalOrder.getEmId();
        if (emId == 0) {
            throw new ServiceException("订单暂未分配陪诊员,拒绝该操作");
        }
        DbghOrder dbghOrder = baseMapper.selectOne(Wrappers.<DbghOrder>lambdaQuery().eq(DbghOrder::getOrderId, totalId));
        Objects.requireNonNull(dbghOrder, "子订单与主订单不一致!");
        // 若设置了就诊时间,在取消订单时需要检查是否在18小时之前
        int cancel = 0;
        if (dbghOrder.getVisitTime() != null) {
            LocalDateTime visitTime = LocalDateTime.ofInstant(dbghOrder.getVisitTime().toInstant(), ZoneId.systemDefault());
            LocalDateTime currentDate = LocalDateTime.ofInstant(new Date().toInstant(), ZoneId.systemDefault());
            // 取消次数
            Integer cancelCount = RedisUtils.<Integer>getCacheMapValue(ISonOrderService.ORDER_CANCEL_CACHE_PREFIX, String.valueOf(emId));
            // 若在18小时前取消订单,需记录取消次数
            cancel = cancelCount == null ? 1: cancelCount + 1;
            if (visitTime.isBefore(currentDate) || ChronoUnit.HOURS.between(visitTime, currentDate) <= 18) {
                cancel++;
            }
        }
        // 更新主订单数据
        totalOrder.setEmId(0);
        totalOrder.setSuborderStatus(0);
        if (totalOrderMapper.updateById(totalOrder) < 0) {
            throw new ServiceException("更新主订单失败");
        }
        // 更新子订单
        dbghOrder.setStatus(0);
        if (baseMapper.updateById(dbghOrder) < 0) {
            throw new ServiceException("子订单更新失败");
        }
        // 若取消次数大于3,则冻结用户账号
        if (cancel > 3) {
            if (employeesMapper.update(null,
                Wrappers.<Employees>lambdaUpdate()
                    .set(Employees::getStatus, 2)
                    .set(Employees::getKillOrder,cancel)
                    .eq(Employees::getId, emId)) < 0) {
                throw new ServiceException("用户冻结失败");
            }
        }
        RedisUtils.setCacheMapValue(ISonOrderService.ORDER_CANCEL_CACHE_PREFIX, String.valueOf(emId), cancel);
        return true;
    }
}