package com.zy.common.service;

import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.core.common.Cools;
import com.core.exception.CoolException;
import com.zy.asrs.entity.*;
import com.zy.asrs.service.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

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

    @Autowired
    private AgvWrkMastService agvWrkMastService;
    @Autowired
    private AgvWrkLastnoService agvWrkLastnoService;
    @Autowired
    private AgvLocRuleService agvLocRuleService;
    @Autowired
    private AgvLocMastService agvLocMastService;
    @Autowired
    private MatService matService;
    @Autowired
    private LocRuleService locRuleService;

    public int getWorkNo(Integer wrkMk) {
        AgvWrkLastno wrkLastno = agvWrkLastnoService.selectById(wrkMk);
        if (Cools.isEmpty(wrkLastno)) {
            throw new CoolException("数据异常，请联系管理员");
        }
        int workNo = 0;
        // 入出库类型
        workNo = wrkLastno.getWrkNo();
        int sNo = wrkLastno.getSNo();
        int eNo = wrkLastno.getENo();

        workNo = workNo>=eNo ? sNo : workNo+1;

        while (true) {
            AgvWrkMast wrkMast = agvWrkMastService.selectById(workNo);
            if (null != wrkMast) {
                workNo = workNo>=eNo ? sNo : workNo+1;
            } else {
                break;
            }
        }
        if (workNo > 0){
            wrkLastno.setWrkNo(workNo);
            agvWrkLastnoService.updateById(wrkLastno);
        }
        if (workNo == 0) {
            throw new CoolException("生成工作号失败，请联系管理员");
        } else {
            if (agvWrkMastService.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
     * @return locNo 检索到的库位号
     */
    public AgvLocMast getLocNo(List<AgvWaitPakin> agvWaitPakinList, int floor) {
        // 目标库位
        AgvLocMast locMast = null;
        if(Cools.isEmpty(agvWaitPakinList)){
            return getLocNoRule(floor);
        }

        //库位规则
        locMast = getLocByLocRule(agvWaitPakinList.get(0),floor);
        if(!Cools.isEmpty(locMast)){
            return locMast;
        }


        //库位编码规则
        locMast = getLocByLocCodeRule(agvWaitPakinList.get(0),floor);
        if(!Cools.isEmpty(locMast)){
            return locMast;
        }

        // 靠近摆放规则 --- 相同订单号, 同天同规格物料
        locMast = getLocByProximityRule();
        if (locMast != null) {
            //找到库位，返回dto
            //return getLocNoStep6(staDescId, sourceStaNo, locMast);//返回dto
        }

        //根据物料频率搜索库位，频率高则搜索离缓存货架最近库位，频率低则搜索最远库位
        Mat mat = matService.selectByMatnr(agvWaitPakinList.get(0).getMatnr());
        if(Cools.isEmpty(mat.getBeBatch())){
            mat.setBeBatch(0);
        }
        locMast = getLocByFre(mat.getBeBatch(), floor);
        if (locMast != null) {
            return locMast;
        }


        // 开始查找库位 ==============================>>
        locMast = getLocNoRule(floor);
        if (locMast != null) {
            return locMast;
        }

        //找不到库位，抛出异常
        throw new CoolException("该楼层没有空库位");
    }

    /*
    库位规则查找
     */
    private AgvLocMast getLocByLocRule(AgvWaitPakin agvWaitPakin, int floor) {
        List<AgvLocRule> agvLocRules = null;
        agvLocRules = agvLocRuleService.selectList(new EntityWrapper<AgvLocRule>()
                .eq("matnr", agvWaitPakin.getMatnr())
                .eq("batch", agvWaitPakin.getModel())
                .eq("floor", floor));
        if(Cools.isEmpty(agvLocRules)){
            agvLocRules = agvLocRuleService.selectList(new EntityWrapper<AgvLocRule>()
                    .eq("matnr", agvWaitPakin.getMatnr())
                    .eq("floor", floor));
        }
        if(Cools.isEmpty(agvLocRules)){
            return null;
        }

        for (AgvLocRule agvLocRule : agvLocRules) {
            EntityWrapper<AgvLocMast> wrapper = new EntityWrapper<>();
            wrapper.between("row1",agvLocRule.getRowBeg(),agvLocRule.getRowEnd())
                    .between("bay1",agvLocRule.getBayBeg(),agvLocRule.getBayEnd())
                    .between("lev1",agvLocRule.getLevBeg(),agvLocRule.getLevEnd())
                    .eq("floor",floor)
                    .eq("loc_sts","O");
            AgvLocMast agvLocMast = agvLocMastService.selectOne(wrapper);
            if(!Cools.isEmpty(agvLocMast)){
                return agvLocMast;
            }
        }

        return null;
    }

    /*
    库位规则查找
     */
    private AgvLocMast getLocByLocCodeRule(AgvWaitPakin agvWaitPakin, int floor) {
        if(Cools.isEmpty(agvWaitPakin.getBrand())){
            return null;
        }

        //库区
        String other = "agv-" + floor;
        List<LocRule> locRules = locRuleService.findCode(agvWaitPakin.getMatnr(), other);
        if(Cools.isEmpty(locRules)){
            return null;
        }

        for (LocRule agvLocRule : locRules) {
            EntityWrapper<AgvLocMast> wrapper = new EntityWrapper<>();
            wrapper.between("row1",agvLocRule.getRowBeg(),agvLocRule.getRowEnd())
                    .between("bay1",agvLocRule.getBayBeg(),agvLocRule.getBayEnd())
                    .between("lev1",agvLocRule.getLevBeg(),agvLocRule.getLevEnd())
                    .eq("floor",floor)
                    .eq("loc_sts","O");
            AgvLocMast agvLocMast = agvLocMastService.selectOne(wrapper);
            if(!Cools.isEmpty(agvLocMast)){
                return agvLocMast;
            }
        }

        return null;
    }

    /*
    靠近摆放规则
     */
    private AgvLocMast getLocByProximityRule(){
        //to do
        return null;
    }

    /*
    根据物料频率查找
     */
    private AgvLocMast getLocByFre(int fre, int floor){
        if(floor == 1){
            if(fre == 1){
                return agvLocMastService.selectOne(new EntityWrapper<AgvLocMast>()
                        .eq("floor",floor)
                        .eq("loc_sts","O")
                        .orderBy("bay1",false));
            }else{
                return agvLocMastService.selectOne(new EntityWrapper<AgvLocMast>()
                        .eq("floor",floor)
                        .eq("loc_sts","O")
                        .orderBy("bay1"));
            }
        }
        if(floor == 3){
            if(fre == 1){
                return agvLocMastService.selectOne(new EntityWrapper<AgvLocMast>()
                        .eq("floor",floor)
                        .eq("loc_sts","O")
                        .orderBy("row1",false));
            }else{
                return agvLocMastService.selectOne(new EntityWrapper<AgvLocMast>()
                        .eq("floor",floor)
                        .eq("loc_sts","O")
                        .orderBy("row1"));
            }
        }

        throw new CoolException("搜索库位时，楼层出错。");
    }

    //随机取一个货位
    private AgvLocMast getLocNoRule(int floor){
        return agvLocMastService.selectOne(new EntityWrapper<AgvLocMast>()
                .eq("floor",floor)
                .eq("loc_sts","O")
                .eq(false,"loc_type2",1));
    }


}