package com.glxp.api.service.inout;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.pagehelper.PageHelper;
import com.glxp.api.dao.auth.SysWorkplaceDao;
import com.glxp.api.dao.collect.IoCollectOrderBizMapper;
import com.glxp.api.dao.collect.IoCollectOrderMapper;
import com.glxp.api.dao.inout.IoSplitFifoCodeMapper;
import com.glxp.api.entity.auth.SysWorkplace;
import com.glxp.api.entity.basic.UdiRelevanceEntity;
import com.glxp.api.entity.inout.IoSplitFifoCodeEntity;
import com.glxp.api.exception.JsonException;
import com.glxp.api.req.collect.CollectOrderBizRequest;
import com.glxp.api.req.collect.CollectOrderRequest;
import com.glxp.api.req.dev.DeviceChangeOrderParam;
import com.glxp.api.req.inout.IoSplitFifoCodeRequest;
import com.glxp.api.res.collect.CollectOrderBizResponse;
import com.glxp.api.res.collect.IoCollectOrderResponse;
import com.glxp.api.res.inout.IoSplitCodeResponse;
import com.glxp.api.service.auth.SysWorkplaceService;
import io.swagger.models.auth.In;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

@Service
public class IoSplitFifoCodeService extends ServiceImpl<IoSplitFifoCodeMapper, IoSplitFifoCodeEntity> {

    @Resource
    IoSplitFifoCodeMapper splitFifoCodeMapper;
    @Resource
    SysWorkplaceService sysWorkplaceService;
    @Resource
    IoCollectOrderMapper collectOrderMapper;
    @Resource
    IoCollectOrderBizMapper collectOrderBizMapper;

    public List<IoSplitCodeResponse> filterGroupList(IoSplitFifoCodeRequest splitFifoCodeRequest) {
        if (splitFifoCodeRequest == null) {
            return Collections.emptyList();
        }
        if (splitFifoCodeRequest.getPage() != null) {
            int offset = (splitFifoCodeRequest.getPage() - 1) * splitFifoCodeRequest.getLimit();
            PageHelper.offsetPage(offset, splitFifoCodeRequest.getLimit());
        }
        return super.baseMapper.filterGroupList(splitFifoCodeRequest);

    }

    public List<IoSplitCodeResponse> filterList(IoSplitFifoCodeRequest splitFifoCodeRequest) {
        if (splitFifoCodeRequest == null) {
            return Collections.emptyList();
        }
        if (splitFifoCodeRequest.getPage() != null) {
            int offset = (splitFifoCodeRequest.getPage() - 1) * splitFifoCodeRequest.getLimit();
            PageHelper.offsetPage(offset, splitFifoCodeRequest.getLimit());
        }
        return super.baseMapper.filterList(splitFifoCodeRequest);

    }

    public Boolean isExitCode(String code, Long workPlaceCode) {
        return splitFifoCodeMapper.exists(
                new LambdaQueryWrapper<IoSplitFifoCodeEntity>()
                        .eq(IoSplitFifoCodeEntity::getCode, code)
                        .eq(workPlaceCode != null, IoSplitFifoCodeEntity::getWorkPlaceCode, workPlaceCode)
        );
    }


    public IoSplitFifoCodeEntity findByCode(String code, Long workPlaceCode) {
        return splitFifoCodeMapper.selectOne(
                new LambdaQueryWrapper<IoSplitFifoCodeEntity>()
                        .eq(IoSplitFifoCodeEntity::getCode, code)
                        .eq(workPlaceCode != null, IoSplitFifoCodeEntity::getWorkPlaceCode, workPlaceCode)
                        .last("limit 1")
        );
    }

    /**
     * 库存量提醒
     *
     * @param workPlaceCode
     * @return
     */
    public String findInvRemind(Long workPlaceCode) {
        final String[] msg = {"当前工位存量提醒："};
        SysWorkplace workplace = sysWorkplaceService.getWorkplace(workPlaceCode);
        if (workplace == null) throw new JsonException("未找到匹配工位");
        Integer invRemindNumber = workplace.getInvRemindNumber();

        List<IoSplitCodeResponse> invReminds = splitFifoCodeMapper.findInvRemind(workPlaceCode);
        if (CollUtil.isEmpty(invReminds)) {
            return "当前工位存量提醒：" + "0";
        }
        invReminds.forEach(item -> {
            Integer groupCount = item.getGroupCount();
            if (groupCount < invRemindNumber) {
                String cpmctymc = item.getCpmctymc();
                String batchNo = item.getBatchNo();
                if (StrUtil.isBlank(batchNo)) {
                    msg[0] = msg[0] + cpmctymc + "存量为：" + groupCount;
                } else {
                    msg[0] = msg[0] + cpmctymc + "[" + batchNo + "]存量为：" + groupCount;
                }
            }
        });

        return msg[0];
    }


    /**
     * 预分配库存
     */
    @Transactional(rollbackFor = Exception.class)
    public void preAllotInv(Long workPaceCode) {
        if (workPaceCode == null || workPaceCode == 0l) return;

        //1. 查询出当前工位的未分配的库存
        IoSplitFifoCodeRequest splitFifoCodeRequest = new IoSplitFifoCodeRequest();
        splitFifoCodeRequest.setWorkPlaceCode(workPaceCode);
        List<IoSplitCodeResponse> ioSplitCodeResponses = this.baseMapper.filterGroupList(splitFifoCodeRequest);
        if (CollUtil.isEmpty(ioSplitCodeResponses)) return;
        Map<Long, List<IoSplitCodeResponse>> splitMap = ioSplitCodeResponses.stream().collect(Collectors.groupingBy(IoSplitCodeResponse::getRelId));

        //2.遍历当前工位待处理的单据，根据orderTime排序
        CollectOrderRequest collectOrderRequest = new CollectOrderRequest();
        collectOrderRequest.setWorkPlaceCode(workPaceCode);
        collectOrderRequest.setTagStatus(1);
        List<IoCollectOrderResponse> orderList = collectOrderMapper.filterList(collectOrderRequest);
        if (CollUtil.isEmpty(orderList)) return;

        //3.为每个单据底下的单据详情分配数量
        for (int i = 0; i < orderList.size(); i++) {
            IoCollectOrderResponse order = orderList.get(i);
            CollectOrderBizRequest bizRequest = new CollectOrderBizRequest();
            bizRequest.setOrderIdFk(String.valueOf(order.getBillNo()));
            List<CollectOrderBizResponse> bizList = collectOrderBizMapper.filterList(bizRequest);
            if (CollUtil.isNotEmpty(bizList)) {
                //自动分配 工位存量、更新splitMap、更新 bizList上的 缺少存量数
                Integer invAlert = autoAllocationWorkPace(splitMap, bizList);
                collectOrderMapper.updateInvAlert(order.getId(), invAlert);
            }
        }

    }

    /**
     * 自动分配 工位存量、更新splitMap、更新 bizList上的 缺少存量数
     *
     * @param splitMap
     * @param bizList
     */
    @Transactional(rollbackFor = Exception.class)
    Integer autoAllocationWorkPace(Map<Long, List<IoSplitCodeResponse>> splitMap, List<CollectOrderBizResponse> bizList) {
        Integer invAlert = 1;
        for (int i = 0; i < bizList.size(); i++) {
            CollectOrderBizResponse collectOrderBizResponse = bizList.get(i);
            Long relId = collectOrderBizResponse.getRelId();
            String batchNo = collectOrderBizResponse.getBatchNo();
            Integer count = collectOrderBizResponse.getCount(); //当前明细 需要的数量
            Long bizId = collectOrderBizResponse.getId();

            List<IoSplitCodeResponse> ioSplitCodeResponses = splitMap.get(relId);
            List<IoSplitCodeResponse> newioSplitCodeResponses = new ArrayList<>(ioSplitCodeResponses.size());

            if (CollUtil.isNotEmpty(ioSplitCodeResponses)) {
                for (int j = 0; j < ioSplitCodeResponses.size(); j++) {
                    IoSplitCodeResponse ioSplit = ioSplitCodeResponses.get(j);
                    Integer totalCount = ioSplit.getTotalCount();
                    if ((StrUtil.isBlank(batchNo) || batchNo.equals(ioSplit.getBatchNo())) && count > 0 && totalCount > 0) {
                        Integer resCount = totalCount - count;//预分配后剩余 工位存量
                        if (resCount >= 0) {//足够分配
                            count = 0;
                            ioSplit.setTotalCount(resCount);
                        } else {//不够分配
                            count = -resCount;
                            ioSplit.setTotalCount(0);
                        }
                    }
                    newioSplitCodeResponses.add(ioSplit);
                }

                splitMap.put(relId, newioSplitCodeResponses);
            }

            if (count > 0) {//不够分配
                collectOrderBizMapper.updateAutoResCount(bizId, -count);
                invAlert = 2;
            } else {
                collectOrderBizMapper.updateAutoResCount(bizId, collectOrderBizResponse.getCount());
            }
        }

        return invAlert;
    }

}