package com.zy.asrs.utils;

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.core.common.SpringUtils;
import com.core.exception.CoolException;
import com.zy.asrs.entity.MatV2;
import com.zy.asrs.service.MatService;
import com.zy.asrs.service.MatV2Service;
import com.zy.common.entity.MatExcel;
import com.zy.common.entity.MatV2Excel;
import lombok.extern.slf4j.Slf4j;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * Created by vincent on 2019-11-25
 */
@Slf4j
public class MatV2ExcelListener extends AnalysisEventListener<MatV2Excel> {

    private int total = 0;
    private Long userId;

    public MatV2ExcelListener() {
    }

    public MatV2ExcelListener(Long userId) {
        this.userId = userId;
    }

    /**
     * 每隔5条存储数据库，实际使用中可以3000条，然后清理list ，方便内存回收
     */
    private static final int BATCH_COUNT = 50;

    private final List<MatV2Excel> list = new ArrayList<>();

    /**
     * 这里会一行行的返回头
     */
    @Override
    public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {
    }

    /**
     * 这个每一条数据解析都会来调用
     */
    @Override
    public void invoke(MatV2Excel excel, AnalysisContext ctx) {
        MatV2Service matV2Service = SpringUtils.getBean(MatV2Service.class);
        Date now = new Date();
        String number = excel.getNumber();
        String[] split = number.split("\\.");
        String uuid;
        String tagId;
        if (split.length == 1) {
            uuid = "1";
            tagId = split[0];
        } else {
            StringBuilder sb = new StringBuilder();
            StringBuilder sb2 = new StringBuilder();
            for (int i = 0; i < split.length; i++) {
                if (i == 0) {
                    sb.append(split[i]);
                } else {
                    sb.append("." + split[i]);
                }
            }
            tagId = sb.toString();
            for (int i = 0; i < split.length-1; i++) {
                if (i == 0) {
                    sb2.append(split[i]);
                } else {
                    sb2.append("." + split[i]);
                }
            }
            uuid = sb2.toString();
        }
        // 商品
        MatV2 matV2 = matV2Service.selectByMatnr(excel.getMatnr());
        if (matV2 == null) {
            matV2 = excel;
            matV2.setUuid(uuid);
            matV2.setTagId(tagId);
            if (!matV2Service.insert(matV2)) {
                throw new CoolException("保存商品信息失败，品号：" + excel.getMatnr());
            }
            total++;
        } else {
            matV2 = excel;
            matV2.setUuid(uuid);
            matV2.setTagId(tagId);
            if (!matV2Service.update(matV2,new EntityWrapper<MatV2>().eq("matnr",matV2.getMatnr()))) {
                throw new CoolException("保存商品信息失败，品号：" + excel.getMatnr());
            }
            total++;
        }
    }

    /**
     * 所有数据解析完成了调用
     * 适合事务
     */
    @Override
    public void doAfterAllAnalysed(AnalysisContext ctx) {
        log.info("新增{}条物料信息！", total);
    }

    public int getTotal() {
        return total;
    }
}