package com.whyc.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.whyc.constant.WorkflowEnum;
import com.whyc.dto.Response;
import com.whyc.mapper.*;
import com.whyc.pojo.db_user.User;
import com.whyc.pojo.web_site.WorkflowLink;
import com.whyc.pojo.web_site.WorkflowMain;
import com.whyc.util.CommonUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.util.*;
import java.util.stream.Collectors;

@Service
public class WorkflowLinkService {

    @Resource
    private WorkflowLinkMapper mapper;

    @Autowired
    @Lazy
    private WorkflowMainService mainService;


    public void addBatch(List<WorkflowLink> links) {
        mapper.insertBatchSomeColumn(links);
    }

    public List<WorkflowLink> getWorkflowInfo(Integer mainId) {
        QueryWrapper<WorkflowLink> wrapper = Wrappers.query();
        wrapper.eq("main_id", mainId);
        return mapper.selectList(wrapper);
    }

    @Transactional
    public Response updateLink(WorkflowLink link) {
        //获取当前节点的记录
        WorkflowLink linkInDB = mapper.selectById(link.getId());
        User user = CommonUtil.getUser();
        Date now = new Date();
        //根据id.查询关联的主表
        WorkflowMain mainInDB = mainService.getById(linkInDB.getMainId());
        //查看申请流程类型
        switch (mainInDB.getType()) {
            case 1: { //设备维修申请
                //查看主表的状态
                //因为是单个链路节点,所以不需要判断是不是待处理,肯定只有1个节点. 审批通过或者驳回
                //if(main.getStatus() == WorkflowEnum.MAIN_STATUS_DEALING.getValue().intValue()){ //待处理,下一步是审批通过,待处理 或者驳回
                if(link.getStatus() == WorkflowEnum.LINK_STATUS_PASS.getValue().intValue()){
                    mainInDB.setStatus(WorkflowEnum.MAIN_STATUS_WAIT_FOR_DEALING.getValue());
                    mainService.updateById(mainInDB);
                }else if(link.getStatus() == WorkflowEnum.LINK_STATUS_REJECT.getValue().intValue()){
                    mainInDB.setStatus(WorkflowEnum.MAIN_STATUS_END_REJECT.getValue());
                    mainInDB.setEndReason(link.getDealRejectReason());
                    mainInDB.setEndTime(now);
                    mainService.updateById(mainInDB);
                    link.setDealAndClose(1);
                }
            }
            //设备入库申请
            case 2:
            //设备报废申请
            case 3:{
                if(link.getStatus() == WorkflowEnum.LINK_STATUS_PASS.getValue().intValue()){
                    mainInDB.setStatus(WorkflowEnum.MAIN_STATUS_WAIT_FOR_DEALING.getValue());
                    mainService.updateById(mainInDB);
                }else if(link.getStatus() == WorkflowEnum.LINK_STATUS_REJECT.getValue().intValue()){
                    mainInDB.setStatus(WorkflowEnum.MAIN_STATUS_END_REJECT.getValue());
                    mainInDB.setEndReason(link.getDealRejectReason());
                    mainInDB.setEndTime(now);
                    //检查是否有关联工单.如果有关联工单,关联工单状态重置为完结待处理,完成时间重置为空
                    if(mainInDB.getRelatedId() != null){
                        Integer relatedId = mainInDB.getRelatedId();
                        mainService.resetRepairStatus(relatedId,mainInDB.getQuantity());
                    }
                    mainService.updateById(mainInDB);
                    link.setDealAndClose(1);
                }
            }
            case 4:{ //TODO 出库申请
                if(link.getStatus() == WorkflowEnum.LINK_STATUS_PASS.getValue().intValue()){
                    mainInDB.setStatus(WorkflowEnum.MAIN_STATUS_WAIT_FOR_DEALING.getValue());
                    mainService.updateById(mainInDB);
                }else if(link.getStatus() == WorkflowEnum.LINK_STATUS_REJECT.getValue().intValue()){
                    mainInDB.setStatus(WorkflowEnum.MAIN_STATUS_END_REJECT.getValue());
                    mainInDB.setEndReason(link.getDealRejectReason());
                    mainInDB.setEndTime(now);
                    //检查是否有关联工单.如果有关联工单,关联工单状态重置为完结待处理,完成时间重置为空
                    if(mainInDB.getRelatedId() != null){
                        Integer relatedId = mainInDB.getRelatedId();
                        mainService.resetRepairStatus(relatedId,mainInDB.getQuantity());
                    }
                    mainService.updateById(mainInDB);
                    link.setDealAndClose(1);
                }
            }

        }

        link.setId(linkInDB.getId());
        link.setDealUserId(user.getId());
        link.setDealTime(now);

        mapper.updateById(link);

        return new Response().setII(1,"更新完成");
    }

    /**
     *
     * @param mainId 特定的单据
     * @param processLevel 特定的过程
     * @return 特定单据,特定过程,未完成的会签的数量
     */
    private int getLeftAssignNum(Integer mainId, String processLevel) {
        QueryWrapper<WorkflowLink> query = Wrappers.query();
        query.select("count(*) as id").eq("main_id",mainId).eq("process_level",processLevel).ne("status",WorkflowEnum.LINK_STATUS_PASS.getValue());
        return mapper.selectOne(query).getId();
    }

    /**
     * 更新节点,主节点不完结
     * @param link 参数id,status,dealReason或者dealRejectReason
     */
    private void updateLinkField(WorkflowLink link) {
        Date now = new Date();
        link.setDealTime(now);
        mapper.updateById(link);
    }


    public Map<Integer, Integer> getReceivedStatistics(int type, User user) {
        Map<Integer,Integer> statistics = new HashMap<>();
        statistics.put(1,0);
        statistics.put(6,0);
        statistics.put(58,0);
        List<WorkflowLink> links = mapper.getReceivedList(type,user);
        Map<Integer, List<WorkflowLink>> receivedListMap = links.stream().collect(Collectors.groupingBy(WorkflowLink::getStatus));
        Set<Integer> statusSet = receivedListMap.keySet();
        for (Integer status : statusSet) {
            if (status == 5 || status == 8) {
                statistics.put(58, statistics.get(58) + receivedListMap.get(status).size());
            } else {
                statistics.put(status, receivedListMap.get(status).size());
            }
        }
        return statistics;
    }

    /**
     *
     * 二次核容和隐患故障的统计
     *
     * 增加了全部 0
     * 0:全部
     * 1:审批中
     * 2:通过
     * 3:驳回
     *
     * status含义:1-待接单,6-待审核,58-已审核
     * @param type
     * @param user
     * @return
     */
    public Response getReceivedStatistics2(int type, User user) {
        Map<Integer,Integer> statistics = new HashMap<>();
        statistics.put(0,0);
        statistics.put(1,0);
        statistics.put(2,0);
        statistics.put(3,0);
        List<WorkflowLink> links = mapper.getReceivedList2(type,user);
        Map<Integer, List<WorkflowLink>> receivedListMap = links.stream().collect(Collectors.groupingBy(WorkflowLink::getStatus));
        Set<Integer> statusSet = receivedListMap.keySet();
        int sum = 0;
        for (Integer status : statusSet) {
            int size = receivedListMap.get(status).size();
            if (status == 1 || status == 6) { //审批中
                statistics.put(1, statistics.get(1) + size);
            } else if(status == 5){ //通过
                statistics.put(2, size);
            }else if(status == 8){ //驳回
                statistics.put(3,size);
            }
            sum+=size;
        }
        statistics.put(0,sum);
        return new Response().set(1,statistics);
    }


    public void add(WorkflowLink link) {
        mapper.insert(link);
    }


}