package com.ruoyi.collaborativeApproval.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.collaborativeApproval.dto.NoticeDTO;
import com.ruoyi.collaborativeApproval.mapper.NoticeMapper;
import com.ruoyi.collaborativeApproval.pojo.Notice;
import com.ruoyi.collaborativeApproval.service.NoticeService;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;

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

@Service
@Slf4j
@AllArgsConstructor
public class NoticeServiceImpl extends ServiceImpl<NoticeMapper, Notice> implements NoticeService {

    private final NoticeMapper noticeMapper;

    @Override
    public IPage<NoticeDTO> listPage(Page page, NoticeDTO noticeDTO) {
        IPage<NoticeDTO> noticeDTOIPage = noticeMapper.listPage(page, noticeDTO);
        noticeDTOIPage.getRecords().forEach(item -> {
            // 根据过期时间判断statusName
            if (item.getExpirationDate() == null) {
                item.setStatusName("未知");
            }else if(item.getExpirationDate().getTime() < System.currentTimeMillis()){
                item.setStatusName("已过期");
            } else{
                item.setStatusName("正常");
            }
        });
        return noticeDTOIPage;
    }

    @Override
    public List<NoticeDTO> selectCount() {
        List<Notice> notices = noticeMapper.selectList(Wrappers.lambdaQuery(Notice.class).groupBy(Notice::getType));
        List<NoticeDTO> result = new ArrayList<>();
        for (Notice notice : notices) {
            NoticeDTO notice1 = new NoticeDTO();
            BeanUtils.copyProperties(notice, notice1);
            notice1.setCount(noticeMapper.selectCount(new LambdaQueryWrapper<Notice>().eq(Notice::getType, notice.getType())));
            result.add(notice1);
        }
        return result;
    }
}