package com.panzhihua.common.listen;

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

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.alibaba.fastjson.JSONObject;
import com.panzhihua.common.exceptions.ServiceException;
import com.panzhihua.common.model.vos.LoginUserInfoVO;
import com.panzhihua.common.model.vos.R;
import com.panzhihua.common.model.vos.community.ComMngVillageServeExcelVO;
import com.panzhihua.common.model.vos.user.CommunityUserInfoVO;
import com.panzhihua.common.service.community.CommunityService;
import com.panzhihua.common.service.user.UserService;
import com.panzhihua.common.utlis.Snowflake;

import lombok.extern.slf4j.Slf4j;

/**
 * @description: 实有房屋导入监听
 * @author: llming
 */
@Slf4j
public class ComMngVillageServeExcelListen extends AnalysisEventListener<ComMngVillageServeExcelVO> {

    private static final int BATCH_COUNT = 100;
    private CommunityService communityService;
    private LoginUserInfoVO loginUserInfo;
    private UserService userService;
    private List<ComMngVillageServeExcelVO> list = new ArrayList<>();
    public ComMngVillageServeExcelListen(CommunityService communityService, LoginUserInfoVO loginUserInfo, UserService userService) {
        this.communityService = communityService;
        this.loginUserInfo = loginUserInfo;
        this.userService=userService;
    }

    @Override
    public void invoke(ComMngVillageServeExcelVO comMngVillageServeExcelVO, AnalysisContext analysisContext) {
        try {
            Integer.parseInt(comMngVillageServeExcelVO.getHouseNum());
        }
        catch (Exception e){
            throw new ServiceException("门牌号只能为纯数字");
        }
        R r1=userService.detailUser(loginUserInfo.getUserId());
        if(R.isOk(r1)){
            LoginUserInfoVO loginUserInfoVO=JSONObject.parseObject(JSONObject.toJSONString(r1.getData()), LoginUserInfoVO.class);
            comMngVillageServeExcelVO.setAddress("四川省-攀枝花市-"+loginUserInfoVO.getAreaName()+comMngVillageServeExcelVO.getAlley()+"+"+comMngVillageServeExcelVO.getHouseNum());
        }
        list.add(comMngVillageServeExcelVO);
        // 达到BATCH_COUNT了，需要去存储一次数据库，防止数据几万条数据在内存，容易OOM
        if (list.size() >= BATCH_COUNT) {
            log.info("excel导入数据【{}】", JSONObject.toJSONString(list));
            list.forEach(villageServe -> {
                villageServe.setVillageId(Snowflake.getId());
                villageServe.setCreateAt(new Date());
            });
            R r = communityService.listSaveVillageServeExcelVO(list, loginUserInfo.getCommunityId());
            if (!R.isOk(r)) {
                throw new ServiceException(r.getMsg());
            }
            // 清空list
            list.clear();
        }
    }

    @Override
    public void doAfterAllAnalysed(AnalysisContext analysisContext) {
        log.info("excel导入数据【{}】", JSONObject.toJSONString(list));
        // 确保最后遗留的数据保存在数据库中
        list.forEach(villageServe -> {
            villageServe.setVillageId(Snowflake.getId());
            villageServe.setCreateAt(new Date());
        });
        R r = this.communityService.listSaveVillageServeExcelVO(list, loginUserInfo.getCommunityId());
        if (!R.isOk(r)) {
            throw new ServiceException(r.getMsg());
        }

    }
}