package com.zy.common.service;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.core.common.Arith;
import com.core.common.Cools;
import com.core.exception.CoolException;
import com.zy.asrs.entity.*;
import com.zy.asrs.service.*;
import com.zy.asrs.utils.Utils;
import com.zy.asrs.utils.VersionUtils;
import com.zy.common.model.LocTypeDto;
import com.zy.common.model.Shelves;
import com.zy.common.model.StartupDto;
import com.zy.common.properties.SlaveProperties;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

/**
 * 货架核心功能
 * Created by vincent on 2020/6/11
 */
@Slf4j
@Service
public class CommonService {

    @Autowired
    private WrkMastService wrkMastService;
    @Autowired
    private WrkLastnoService wrkLastnoService;
    @Autowired
    private RowLastnoService rowLastnoService;
    @Autowired
    private BasCrnpService basCrnpService;
    @Autowired
    private StaDescService staDescService;
    @Autowired
    private BasDevpService basDevpService;
    @Autowired
    private LocMastService locMastService;
    @Autowired
    private LocDetlService locDetlService;
    @Autowired
    private SlaveProperties slaveProperties;

    /**
     * 生成工作号
     * @param wrkMk
     * @return workNo(工作号)
     */
    public int getWorkNo(Integer wrkMk) {
        WrkLastno wrkLastno = wrkLastnoService.selectById(wrkMk);
        if (Cools.isEmpty(wrkLastno)) {
            throw new CoolException("数据异常，请联系管理员");
        }

        int workNo = wrkLastno.getWrkNo();
        int sNo = wrkLastno.getSNo();
        int eNo = wrkLastno.getENo();
        workNo = workNo>=eNo ? sNo : workNo+1;
        while (true) {
            WrkMast wrkMast = wrkMastService.selectById(workNo);
            if (null != wrkMast) {
                workNo = workNo>=eNo ? sNo : workNo+1;
            } else {
                break;
            }
        }
        // 修改序号记录
        if (workNo > 0){
            wrkLastno.setWrkNo(workNo);
            wrkLastnoService.updateById(wrkLastno);
        }
        // 检验
        if (workNo == 0) {
            throw new CoolException("生成工作号失败，请联系管理员");
        } else {
            if (wrkMastService.selectById(workNo)!=null) {
                throw new CoolException("生成工作号" + workNo + "在工作档中已存在");
            }
        }
        return workNo;
    }

    /**
     * 检索库位号
     * @param whsType 类型 1:双深式货架
     * @param staDescId 路径工作类型
     * @param sourceStaNo 源站
     * @param matNos 商品编号集合
     * @return locNo 检索到的库位号
     */
    @Transactional
    public StartupDto getLocNo(Integer whsType, Integer staDescId, Integer sourceStaNo, List<String> matNos, LocTypeDto locTypeDto, int times) {

        if (sourceStaNo < 200){
            whsType = 1;
        } else if (sourceStaNo > 199 && sourceStaNo < 300){
            whsType = 2;
        } else if (sourceStaNo > 299){
            whsType = 3;
        }
        // 目标堆垛机号
        int crnNo = whsType;
        if (!basCrnpService.checkSiteError(crnNo, true)){
            throw new CoolException("没有可用的堆垛机");
        }

        StartupDto startupDto = new StartupDto();

        RowLastno rowLastno = rowLastnoService.selectById(whsType);
        if (Cools.isEmpty(rowLastno)) {
            throw new CoolException("数据异常，请联系管理员");
        }

        // ===============>>>> 开始执行
        int curRow = rowLastno.getCurrentRow();
        int sRow = rowLastno.getsRow();
        int eRow = rowLastno.geteRow();
        int crn_qty = rowLastno.getCrnQty();
        int rowCount = eRow - sRow + 1;

        // 目标库位
        LocMast locMast = null;

        // 靠近摆放规则 --- 同天同规格物料
        if (!Cools.isEmpty(matNos)) {
            List<String> locNos = locDetlService.getSameDetlToday(matNos.get(0), sRow, eRow);
            for (String locNo : locNos) {
                if (Utils.isShallowLoc(slaveProperties, locNo)) {
                    continue;
                }
                String shallowLocNo = Utils.getShallowLoc(slaveProperties, locNo);
                // 检测目标库位是否为空库位
                LocMast shallowLoc = locMastService.selectById(shallowLocNo);
                if (shallowLoc != null && shallowLoc.getLocSts().equals("O")) {
                    if (VersionUtils.locMoveCheckLocType(shallowLoc, locTypeDto)) {
                        if (basCrnpService.checkSiteError(shallowLoc.getCrnNo(), true)) {
                            locMast = shallowLoc;
                            break;
                        }
                    }
                }
            }
        }

        // 靠近摆放规则 --- 空托
        if (staDescId == 10) {
            List<LocMast> locMasts = locMastService.selectList(new EntityWrapper<LocMast>().eq("loc_sts", "D").ge("row1", sRow).le("row1", eRow));
            if (locMasts.size() > 0) {
                for (LocMast loc : locMasts) {
                    if (Utils.isShallowLoc(slaveProperties, loc.getLocNo())) {
                        continue;
                    }
                    String shallowLocNo = Utils.getShallowLoc(slaveProperties,  loc.getLocNo());
                    // 检测目标库位是否为空库位
                    LocMast shallowLoc = locMastService.selectById(shallowLocNo);
                    if (shallowLoc != null && shallowLoc.getLocSts().equals("O")) {
                        if (basCrnpService.checkSiteError(shallowLoc.getCrnNo(), true)) {
                            locMast = shallowLoc;
                            break;
                        }
                    }
                }
            }
        }

        // 如果没有相近物料，则按规则轮询货架
        if (null == locMast){
            curRow = getCurRow(curRow);
        }

        // 获取目标站
        Wrapper<StaDesc> wrapper = new EntityWrapper<StaDesc>()
                .eq("type_no", staDescId)
                .eq("stn_no", sourceStaNo)
                .eq("crn_no", crnNo);
        StaDesc staDesc = staDescService.selectOne(wrapper);
        if (Cools.isEmpty(staDesc)) {
            log.error("type_no={},stn_no={},crn_no={}", staDescId, sourceStaNo, crnNo);
            throw new CoolException("入库路径不存在");
        }
        BasDevp staNo = basDevpService.selectById(staDesc.getCrnStn());
        if (!staNo.getAutoing().equals("Y")) {
            throw new CoolException("目标站"+staDesc.getCrnStn()+"不可用");
        }

        // 更新库位排号
        rowLastno.setCurrentRow(curRow);
        rowLastnoService.updateById(rowLastno);

        // 开始查找库位 ==============================>>

        // 1.当检索库排为浅库位排时，优先寻找当前库排的深库位排
        if (locMast == null) {
            if ( Utils.isShallowLoc(slaveProperties, curRow)) {
                Integer deepRow = Utils.getDeepRow(slaveProperties, curRow);
                locMast = locMastService.queryFreeLocMast(deepRow, locTypeDto.getLocType1());
                // todo:luxiaotao 如果用浅排找到的深库位，那么则需要判断这个深库位对应的浅库位是否有货（F、X、D）
                // 因库位移转、需预留空库位
                if (!locMastService.checkEmptyCount(locMast)) {
                    locMast = null;
                }
            }
            if (Cools.isEmpty(locMast)) {
                locMast = locMastService.queryFreeLocMast(curRow, locTypeDto.getLocType1());
                // 因库位移转、需预留空库位
                if (!locMastService.checkEmptyCount(locMast)) {
                    locMast = null;
                }
                // 目标库位 ===>> 浅库位， 则校验其深库位是否为 F D X
                if (null != locMast && Utils.isShallowLoc(slaveProperties, locMast.getLocNo())) {
                    LocMast deepLoc = locMastService.selectById(Utils.getDeepLoc(slaveProperties, locMast.getLocNo()));
                    if (!deepLoc.getLocSts().equals("F") && !deepLoc.getLocSts().equals("D") && !deepLoc.getLocSts().equals("X")) {
                        locMast = null;
                    }
                }
                // 目标库位 ===>> 深库位， 则校验其浅库位是否为 O
                if (null != locMast && Utils.isDeepLoc(slaveProperties, locMast.getLocNo())) {
                    LocMast shallowLoc = locMastService.selectById(Utils.getShallowLoc(slaveProperties, locMast.getLocNo()));
                    if (!shallowLoc.getLocSts().equals("O")) {
                        locMast = null;
                    }
                }
            }
        }

        // 2.库位当前所属尺寸无空库位时，调整尺寸参数，向上兼容检索库位
        if (Cools.isEmpty(locMast)) {
            // 当前巷道无空库位时，递归调整至下一巷道，检索全部巷道无果后，跳出递归
            if (times < rowCount) {
                times = times + 1;
                return getLocNo(1, staDescId, sourceStaNo, matNos, locTypeDto, times);
            }

            // 轻货物找轻库位为空时，可以去找重库位仓
            if (locTypeDto.getLocType1() == 1) {
                locTypeDto.setLocType1((short) 2);
                return getLocNo(1, staDescId, sourceStaNo, matNos, locTypeDto, times);
            }
            log.error("系统没有空库位！！！ 尺寸规格： {}， 轮询次数：{}", JSON.toJSONString(locTypeDto), times);
            throw new CoolException("没有空库位");
        }
        String locNo = locMast.getLocNo();

        // 生成工作号
        int workNo = getWorkNo(0);
        // 返回dto
        startupDto.setWorkNo(workNo);
        startupDto.setCrnNo(crnNo);
        startupDto.setSourceStaNo(sourceStaNo);
        startupDto.setStaNo(staNo.getDevNo());
        startupDto.setLocNo(locNo);
        return startupDto;
    }


    public static String zerofill(String msg, Integer count) {
        if (msg.length() == count) {
            return msg;
        } else if (msg.length() > count) {
            return msg.substring(0, 16);
        } else {
            StringBuilder msgBuilder = new StringBuilder(msg);
            for(int i = 0; i < count - msg.length(); ++i) {
                msgBuilder.insert(0, "0");
            }
            return msgBuilder.toString();
        }
    }

    /**
     * 根据入库站获取库位排号分配
     */
    private Integer getCurRow(Integer curRow) {
        if (Utils.isDeepLocLeft(slaveProperties,curRow)){
            curRow=curRow+3;
        }else if (Utils.isDeepLocLeft(slaveProperties,curRow-1)){
            curRow=curRow+1;
        }else {
            curRow=curRow-2;
        }
        return curRow;
    }
}