package com.vci.ubcs.omd.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.service.impl.ServiceImpl;
import org.springblade.core.log.exception.ServiceException;
import com.vci.ubcs.omd.mapper.DictMapper;
import com.vci.ubcs.omd.service.IDictService;
import com.vci.ubcs.omd.wrapper.DictWrapper;
import com.vci.ubcs.common.constant.CommonConstant;
import org.springblade.core.cache.utils.CacheUtil;
import org.springblade.core.mp.support.Condition;
import org.springblade.core.mp.support.Query;
import org.springblade.core.tool.api.R;
import org.springblade.core.tool.constant.BladeConstant;
import org.springblade.core.tool.node.ForestNodeMerger;
import org.springblade.core.tool.utils.Func;
import org.springblade.core.tool.utils.StringPool;
import com.vci.ubcs.omd.cache.DictCache;
import com.vci.ubcs.omd.entity.Dict;
import com.vci.ubcs.omd.vo.DictVO;
import org.springframework.stereotype.Service;

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

import static org.springblade.core.cache.constant.CacheConstant.DICT_CACHE;

/**
 * 服务实现类
 *
 * @author Chill
 */
@Service
public class DictServiceImpl extends ServiceImpl<DictMapper, Dict> implements IDictService {

	@Override
	public List tree() {
		return  ForestNodeMerger.merge((List)baseMapper.tree());
	}

	@Override
	public List<DictVO> parentTree() {
		return ForestNodeMerger.merge((List)baseMapper.parentTree());
	}

	@Override
	public String getValue(String code, String dictKey) {
		return Func.toStr(baseMapper.getValue(code, dictKey), StringPool.EMPTY);
	}

	@Override
	public List<Dict> getList(String code) {
		return baseMapper.getList(code);
	}

	@Override
	public boolean submit(Dict dict) {
		LambdaQueryWrapper<Dict> lqw = Wrappers.<Dict>query().lambda().eq(Dict::getCode, dict.getCode()).eq(Dict::getDictKey, dict.getDictKey());
		Long cnt = baseMapper.selectCount((Func.isEmpty(dict.getId())) ? lqw : lqw.notIn(Dict::getId, dict.getId()));
		if (cnt > 0L) {
			throw new ServiceException("当前枚举键值已存在!");
		}
		// 修改顶级字典后同步更新下属字典的编号
		if (Func.isNotEmpty(dict.getId()) && dict.getParentId().longValue() == BladeConstant.TOP_PARENT_ID) {
			Dict parent = DictCache.getById(dict.getId());
			this.update(Wrappers.<Dict>update().lambda().set(Dict::getCode, dict.getCode()).eq(Dict::getCode, parent.getCode()).ne(Dict::getParentId, BladeConstant.TOP_PARENT_ID));
		}
		if (Func.isEmpty(dict.getParentId())) {
			dict.setParentId(BladeConstant.TOP_PARENT_ID);
		}
		dict.setIsDeleted(BladeConstant.DB_NOT_DELETED);
		CacheUtil.clear(DICT_CACHE);
		return saveOrUpdate(dict);
	}

	@Override
	public boolean removeDict(String ids) {
		Long cnt = baseMapper.selectCount(Wrappers.<Dict>query().lambda().in(Dict::getParentId, Func.toLongList(ids)));
		if (cnt > 0L) {
			throw new ServiceException("请先删除子节点!");
		}
		return removeByIds(Func.toLongList(ids));
	}

	@Override
	public IPage<DictVO> parentList(Map<String, Object> dict, Query query) {
		IPage<Dict> page = this.page(Condition.getPage(query), Condition.getQueryWrapper(dict, Dict.class).lambda().eq(Dict::getParentId, CommonConstant.TOP_PARENT_ID).orderByAsc(Dict::getSort));
		return DictWrapper.build().pageVO(page);
	}

	@Override
	public List<DictVO> childList(Map<String, Object> dict, Long parentId) {
		if (parentId < 0) {
			return new ArrayList<>();
		}
		dict.remove("parentId");
		Dict parentDict = DictCache.getById(parentId);
		List<Dict> list = this.list(Condition.getQueryWrapper(dict, Dict.class).lambda().ne(Dict::getId, parentId).eq(Dict::getCode, parentDict.getCode()).orderByAsc(Dict::getSort));
		return DictWrapper.build().listNodeVO(list);
	}

    @Override
    public R checkOrInsert(Dict dict) {

		LambdaQueryWrapper<Dict> lqw = Wrappers.<Dict>query().lambda().eq(Dict::getCode, dict.getCode()).eq(Dict::getDictKey, dict.getDictKey());
		Long cnt = baseMapper.selectCount((Func.isEmpty(dict.getId())) ? lqw : lqw.notIn(Dict::getId, dict.getId()));
		if (cnt > 0L) {
			return R.fail("枚举已经存在！");
		}

		if (Func.isEmpty(dict.getParentId())) {
			dict.setParentId(BladeConstant.TOP_PARENT_ID);
		}
		dict.setIsDeleted(BladeConstant.DB_NOT_DELETED);
		CacheUtil.clear(DICT_CACHE);

		if(saveOrUpdate(dict) == true){
			return R.success("操作成功!");
		}
		return R.fail("操作失败！");

    }
}