package com.ruoyi.system.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.basic.PageInfo;
import com.ruoyi.system.mapper.TOldsterMapper;
import com.ruoyi.system.model.TBanner;
import com.ruoyi.system.model.TOldster;
import com.ruoyi.system.query.OldsterListQuery;
import com.ruoyi.system.service.TOldsterService;
import com.ruoyi.system.utils.util.IDCardAgeCalculator;
import com.ruoyi.system.vo.TLargeKeyGridUserVO;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.time.LocalDate;
import java.time.Period;
import java.util.List;

/**
 * <p>
 * 老人户籍信息 服务实现类
 * </p>
 *
 * @author xiaochen
 * @since 2025-11-06
 */
@Service
public class TOldsterServiceImpl extends ServiceImpl<TOldsterMapper, TOldster> implements TOldsterService {

    @Override
    public PageInfo<TOldster> pageList(OldsterListQuery query) {
        PageInfo<TOldster> pageInfo = new PageInfo<>(query.getPageNum(), query.getPageSize());
        List<TOldster> list = this.baseMapper.pageList(query,pageInfo);
        if(CollectionUtils.isEmpty(list)){
            return pageInfo;
        }

        for (TOldster oldster : list) {
            LocalDate birthDate = oldster.getBirthDate();
            LocalDate currentDate = LocalDate.now();
            // 使用Period类计算两个日期之间的年数差异
            Period period = Period.between(birthDate, currentDate);
            int years = period.getYears();
            // 如果当前日期小于出生日期的下一个生日，则需要减去一年（因为我们还没有过生日）
            if (currentDate.isBefore(birthDate.plusYears(years).plusMonths(1).minusDays(1))) {
                years--;
            }
            oldster.setOldsterAge(years);
            oldster.setAge(years);
        }
        pageInfo.setRecords( list);
        return pageInfo;
    }
}