package com.pz.system.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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.datastructure.OrderDelayQueue;
import com.pz.system.datastructure.TotalOrderDelayOperator;
import com.pz.system.domain.DbwzOrder;
import com.pz.system.domain.TotalOrder;
import com.pz.system.domain.YypzOrder;
import com.pz.system.domain.bo.AccompanyAddressBo;
import com.pz.system.domain.bo.OrderFinishedBo;
import com.pz.system.mapper.TotalOrderMapper;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.pz.system.domain.bo.DbmyOrderBo;
import com.pz.system.domain.vo.DbmyOrderVo;
import com.pz.system.domain.DbmyOrder;
import com.pz.system.mapper.DbmyOrderMapper;
import com.pz.system.service.IDbmyOrderService;
import org.springframework.transaction.annotation.Transactional;

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

/**
 * 代办买药订单Service业务层处理
 *
 * @author ruoyi
 * @date 2023-09-11
 */
@RequiredArgsConstructor
@Service
public class DbmyOrderServiceImpl implements IDbmyOrderService, ISonOrderService {

    private final DbmyOrderMapper baseMapper;
    private final TotalOrderMapper totalOrderMapper;
    private final OrderDelayQueue delayQueue;

    /**
     * 查询代办买药订单
     */
    @Override
    public DbmyOrderVo queryById(Integer id) {
        return baseMapper.selectVoById(id);
    }

    /**
     * 查询代办买药订单列表
     */
    @Override
    public TableDataInfo<DbmyOrderVo> queryPageList(DbmyOrderBo bo, PageQuery pageQuery) {
        Page<DbmyOrderVo> result = baseMapper.findDbmyOrderVoPage(pageQuery.build(), bo);
        return TableDataInfo.build(result);
    }

    /**
     * 查询代办买药订单列表
     */
    @Override
    public List<DbmyOrderVo> queryList(DbmyOrderBo bo) {
        LambdaQueryWrapper<DbmyOrder> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<DbmyOrder> buildQueryWrapper(DbmyOrderBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<DbmyOrder> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getOrderId() != null, DbmyOrder::getOrderId, bo.getOrderId());
        lqw.like(StringUtils.isNotBlank(bo.getYpName()), DbmyOrder::getYpName, bo.getYpName());
        lqw.eq(StringUtils.isNotBlank(bo.getYdAddress()), DbmyOrder::getYdAddress, bo.getYdAddress());
        lqw.eq(bo.getIsCf() != null, DbmyOrder::getIsCf, bo.getIsCf());
        lqw.eq(StringUtils.isNotBlank(bo.getPrescriptionAttachment()), DbmyOrder::getPrescriptionAttachment, bo.getPrescriptionAttachment());
        lqw.eq(bo.getWay() != null, DbmyOrder::getWay, bo.getWay());
        lqw.eq(StringUtils.isNotBlank(bo.getRecipient()), DbmyOrder::getRecipient, bo.getRecipient());
        lqw.eq(StringUtils.isNotBlank(bo.getAddress()), DbmyOrder::getAddress, bo.getAddress());
        lqw.eq(StringUtils.isNotBlank(bo.getAddressInfo()), DbmyOrder::getAddressInfo, bo.getAddressInfo());
        lqw.eq(StringUtils.isNotBlank(bo.getPhone()), DbmyOrder::getPhone, bo.getPhone());
        lqw.eq(bo.getIsRefrigerate() != null, DbmyOrder::getIsRefrigerate, bo.getIsRefrigerate());
        lqw.eq(bo.getStatus() != null, DbmyOrder::getStatus, bo.getStatus());
        lqw.eq(bo.getOverTime() != null, DbmyOrder::getOverTime, bo.getOverTime());
        lqw.eq(StringUtils.isNotBlank(bo.getVoucher()), DbmyOrder::getVoucher, bo.getVoucher());
        lqw.eq(StringUtils.isNotBlank(bo.getPzShr()), DbmyOrder::getPzShr, bo.getPzShr());
        lqw.eq(StringUtils.isNotBlank(bo.getPzAddress()), DbmyOrder::getPzAddress, bo.getPzAddress());
        lqw.eq(StringUtils.isNotBlank(bo.getPzShPhone()), DbmyOrder::getPzShPhone, bo.getPzShPhone());
        lqw.eq(StringUtils.isNotBlank(bo.getPzShRemake()), DbmyOrder::getPzShRemake, bo.getPzShRemake());
        return lqw;
    }

    /**
     * 新增代办买药订单
     */
    @Override
    public Boolean insertByBo(DbmyOrderBo bo) {
        DbmyOrder add = BeanUtil.toBean(bo, DbmyOrder.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());
        }
        return flag;
    }

    /**
     * 修改代办买药订单
     */
    @Override
    public Boolean updateByBo(DbmyOrderBo bo) {
        DbmyOrder update = BeanUtil.toBean(bo, DbmyOrder.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

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

    /**
     * 批量删除代办买药订单
     */
    @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;
    }

    /**
     * 修改订单陪诊员收货地址
     *
     * @param bo 地址
     * @return 操作结果
     */
    @Override
    public boolean updateAccompanyAddress(AccompanyAddressBo bo) {
        DbmyOrder dbmyOrder = baseMapper.selectById(bo.getSonOrderId());
        Objects.requireNonNull(dbmyOrder, "订单不存在");
        LambdaUpdateWrapper<DbmyOrder> wrapper = Wrappers.lambdaUpdate();
        wrapper.set(StringUtils.isNotEmpty(bo.getAccompanyName()), DbmyOrder::getPzShr, bo.getAccompanyName())
            .set(StringUtils.isNotEmpty(bo.getAddress()), DbmyOrder::getPzAddress, bo.getAddress())
            .set(StringUtils.isNotEmpty(bo.getPhone()), DbmyOrder::getPzShPhone, bo.getPhone())
            .set(StringUtils.isNotEmpty(bo.getRemark()), DbmyOrder::getPzShRemake, bo.getRemark())
            .eq(DbmyOrder::getId, bo.getSonOrderId());
        return baseMapper.update(null, wrapper) > 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) {
        DbmyOrder sonOrder = baseMapper.selectOne(Wrappers.<DbmyOrder>lambdaQuery().eq(DbmyOrder::getOrderId, totalId));
        Objects.requireNonNull(sonOrder, "子订单不存在，请检查");
        sonOrder.setStatus(target);
        return baseMapper.updateById(sonOrder) > 0;
    }

    /**
     * 查询代办买药订单详情
     *
     * @param totalId 主订单ID
     * @return 订单详情
     */
    @Override
    public Object getSonOrderDetailDataByTotalId(Integer totalId) {
        return baseMapper.selectDbmyOrderDetailDataByTotalId(totalId);
    }

    /**
     * 陪诊员取消代办买药订单
     *
     * @param totalId 取消订单
     * @return 操作结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    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");
        }
        DbmyOrder dbmyOrder = baseMapper.selectOne(Wrappers.<DbmyOrder>lambdaQuery().eq(DbmyOrder::getOrderId, totalId));
        Objects.requireNonNull(dbmyOrder, "子订单与主订单不一致！");
        // 代办买药，取消时间判定操作
        // 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
        dbmyOrder.setStatus(0);
        if (baseMapper.updateById(dbmyOrder) < 0) {
            throw new ServiceException("子订单更新失败");
        }
        return true;
    }

    /**
     * 陪诊员开始服务代办买药订单
     *
     * @param totalId 主订单ID
     * @return 操作结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean accompanyStartService(Integer totalId) {
        TotalOrder totalOrder = totalOrderMapper.selectById(totalId);
        Objects.requireNonNull(totalOrder, "主订单不存在");
        if (totalOrder.getStatus() != 1 || totalOrder.getEmId() == 0) { // 用户已付款
            throw new ServiceException("主订单不符合开始服务要求");
        }
        DbmyOrder suborder = baseMapper.selectOne(Wrappers.<DbmyOrder>lambdaQuery().eq(DbmyOrder::getOrderId, totalId));
        Objects.requireNonNull(suborder, "子订单不存在");
        if (suborder.getStatus() != 1) { // 订单已接单
            throw new ServiceException("子订单不符合开始服务要求");
        }
        // 代办买药，取消时间判定操作
        // 修改子订单状态为开始服务
        suborder.setStatus(6);
        totalOrder.setSuborderStatus(6);
        if (baseMapper.updateById(suborder) < 0) {
            throw new ServiceException("操作失败，子订单异常");
        }
        if (totalOrderMapper.updateById(totalOrder) < 0) {
            throw new ServiceException("操作失败，主订单异常");
        }
        return true;
    }

    /**
     * 陪诊员完成服务 代办买药
     *
     * @param orderData 主订单ID
     * @return 操作结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean finishedService(OrderFinishedBo orderData) {
        TotalOrder totalOrder = totalOrderMapper.selectById(orderData.getOrderId());
        Objects.requireNonNull(totalOrder, "主订单不存在");
        if (totalOrder.getStatus() != 1 || totalOrder.getEmId() == 0) { // 用户已付款
            throw new ServiceException("主订单不符合开始服务要求");
        }
        DbmyOrder suborder = baseMapper.selectOne(Wrappers.<DbmyOrder>lambdaQuery().eq(DbmyOrder::getOrderId, totalOrder.getId()));
        Objects.requireNonNull(suborder, "子订单不存在");
        if (suborder.getStatus() != 6) { // 订单已接单
            throw new ServiceException("子订单不符合开始服务要求");
        }
        // 修改子订单状态为完成服务
        suborder.setStatus(2);
        suborder.setOverTime(new Date());
        suborder.setVoucher(orderData.getVoucher());
        suborder.setRemark(orderData.getRemark());
        totalOrder.setSuborderStatus(2);
        if (baseMapper.updateById(suborder) < 0) {
            throw new ServiceException("操作失败，子订单异常");
        }
        if (totalOrderMapper.updateById(totalOrder) < 0) {
            throw new ServiceException("操作失败，主订单异常");
        }
        // 子订单完成后，24小时后自动将主订单状态修改为完成
        long expirationTime = System.currentTimeMillis() + TimeUnit.MINUTES.toMillis(24);
        TotalOrderDelayOperator task = new TotalOrderDelayOperator(totalOrder.getId(), expirationTime, id -> {
            totalOrderMapper.update(null,
                Wrappers.<TotalOrder>lambdaUpdate().set(TotalOrder::getStatus, 2).eq(TotalOrder::getId, id));
        });
        delayQueue.addOrder(task);
        return true;
    }

}