package com.ruoyi.personnel.excel;

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.ruoyi.personnel.service.PersonTrainingDetailedService;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

@Data
@Slf4j
public class PersonTrainingDetailedListener extends AnalysisEventListener<PersonTrainingDetailedUpload> {

    private Integer planId;

    private static Boolean FLAG = true;

    private static final int BATCH_COUNT = 1000;

    List<PersonTrainingDetailedUpload> list = new ArrayList<>();

    private PersonTrainingDetailedService personTrainingDetailedService;

    public PersonTrainingDetailedListener(PersonTrainingDetailedService personTrainingDetailedService,Integer planId) {
        this.personTrainingDetailedService = personTrainingDetailedService;
        this.planId = planId;
    }

    @Override
    public void invoke(PersonTrainingDetailedUpload data, AnalysisContext context) {
        log.info("解析到一条数据{}", JSON.toJSONString(data));
        int count = 0;
        int count1 = 0;
        // 如果数据全为空 那么就不在继续添加
        Field[] fields = data.getClass().getDeclaredFields();
        for (Field field : fields) {
            count1++;
            field.setAccessible(true);
            try {
                Object o = field.get(data); // 获取字段值
                if(Objects.isNull(o) || StringUtils.isEmpty(o.toString())) {
                    count++;
                }
            } catch (IllegalAccessException e) {
                throw new RuntimeException(e);
            }
        }
        if(count == count1) {
            FLAG = false;
        }
        if(FLAG) {
            list.add(data);
        }
        if (list.size() >= BATCH_COUNT) {
            save();
            list.clear();
        }


    }

    @Override
    public void doAfterAllAnalysed(AnalysisContext analysisContext) {
        log.info("所有数据解析完成{}",list.size());
        save();
        // 所有数据解析完成 将FLAG更新为true
        if(!FLAG) {
            FLAG = true;
        }
    }

    private void save() {
        personTrainingDetailedService.importExcel(list, this.planId);
    }
}