/**
 * Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springblade.system.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springblade.core.log.exception.ServiceException;
import org.springblade.core.tool.utils.Func;
import org.springblade.core.tool.utils.StringPool;
import org.springblade.system.entity.Region;
import org.springblade.system.mapper.RegionMapper;
import org.springblade.system.service.IRegionService;
import org.springblade.system.vo.RegionVO;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

/**
 * 行政区划表 服务实现类
 *
 * @author Chill
 */
@Service
public class RegionServiceImpl extends ServiceImpl<RegionMapper, Region> implements IRegionService {
	public static final int PROVINCE_LEVEL = 1;
	public static final int CITY_LEVEL = 2;
	public static final int DISTRICT_LEVEL = 3;
	public static final int TOWN_LEVEL = 4;
	public static final int VILLAGE_LEVEL = 5;

	@Override
	public boolean submit(Region region) {
		Long cnt = baseMapper.selectCount(Wrappers.<Region>query().lambda().eq(Region::getCode, region.getCode()));
		if (cnt > 0) {
			return this.updateById(region);
		}
		// 设置祖区划编号
		Region parent = baseMapper.selectById(region.getParentCode());
		if (Func.isNotEmpty(parent) || Func.isNotEmpty(parent.getCode())) {
			String ancestors = parent.getAncestors() + StringPool.COMMA + parent.getCode();
			region.setAncestors(ancestors);
		}
		// 设置省、市、区、镇、村
		Integer level = region.getLevel();
		String code = region.getCode();
		String name = region.getName();
		if (level == PROVINCE_LEVEL) {
			region.setProvinceCode(code);
			region.setProvinceName(name);
		} else if (level == CITY_LEVEL) {
			region.setCityCode(code);
			region.setCityName(name);
		} else if (level == DISTRICT_LEVEL) {
			region.setDistrictCode(code);
			region.setDistrictName(name);
		} else if (level == TOWN_LEVEL) {
			region.setTownCode(code);
			region.setTownName(name);
		} else if (level == VILLAGE_LEVEL) {
			region.setVillageCode(code);
			region.setVillageName(name);
		}
		return this.save(region);
	}

	@Override
	public boolean removeRegion(String id) {
		Long cnt = baseMapper.selectCount(Wrappers.<Region>query().lambda().eq(Region::getParentCode, id));
		if (cnt > 0) {
			throw new ServiceException("请先删除子节点!");
		}
		return removeById(id);
	}

	@Override
	public List<RegionVO> lazyList(String parentCode, Map<String, Object> param) {
		return baseMapper.lazyList(parentCode, param);
	}

	@Override
	public List<RegionVO> lazyTree(String parentCode, Map<String, Object> param) {
		return baseMapper.lazyTree(parentCode, param);
	}
}