package com.dy.pipIrrBase.district;

import com.dy.pipIrrGlobal.daoBa.BaDistrictMapper;
import com.dy.pipIrrGlobal.pojoBa.BaDistrict;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Slf4j
@Service
public class DistrictSv {

    private BaDistrictMapper dao;

    @Autowired
    private void setDao(BaDistrictMapper dao){
        this.dao = dao;
    }


    public int save(BaDistrict po){
        return this.dao.insert(po) ;
    }

    /**
     * 从第一级行政区划开始，得到所有行政区划信息
     * @param firstLevel 第一级行下区 level
     * @return 所有行政区划集合
     */
    public List<BaDistrict> getAll(byte firstLevel){
        List<BaDistrict> list = this.dao.selectByLevel(firstLevel) ;
        if(list != null && list.size() > 0){
            for(BaDistrict po : list){
                getSubDistrict(po) ;
            }
        }
        return list ;
    }

    /**
     * 得到下级行政区划
     * @param po 上级行政区划
     */
    private void getSubDistrict(BaDistrict po){
        if(po != null && po.id != null){
            po.subDistricts = this.dao.selectBySupperId(po.id) ;
            if(po.subDistricts != null && po.subDistricts.size() > 0){
                for(BaDistrict subPo : po.subDistricts){
                    getSubDistrict(subPo) ;
                }
            }
        }
    }
}