/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package com.vci.ubcs.system.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.vci.ubcs.starter.util.MybatisParameterUtil;
import com.vci.ubcs.system.entity.RoleMenu;
import com.vci.ubcs.system.mapper.RoleMenuMapper;
import com.vci.ubcs.system.service.IRoleMenuService;
import com.vci.ubcs.system.service.IRoleService;
import com.vci.ubcs.system.user.entity.User;
import com.vci.ubcs.system.user.feign.IUserClient;
import org.springblade.core.log.exception.ServiceException;
import org.springblade.core.secure.utils.AuthUtil;
import org.springblade.core.tool.api.R;
import org.springblade.core.tool.utils.Func;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 服务实现类
 *
 * @author Chill
 */
@Service
public class RoleMenuServiceImpl extends ServiceImpl<RoleMenuMapper, RoleMenu> implements IRoleMenuService {

	@Resource
	private RoleMenuMapper roleMenuMapper;

	@Resource
	private IUserClient userClient;

	/**
	 * 根据用户id查询，被授权的菜单id
	 * @param userId
	 * @return
	 */
	@Override
	public List<Long> getMenuIdByUserId(Long userId) {
		// 根据用户id查询菜单id
		R<User> userR = userClient.userInfoById((Func.isEmpty(userId) ? AuthUtil.getUserId():userId));
		if (!userR.isSuccess() || Func.isEmpty(userR.getData())) {
			throw new ServiceException("用户信息查询失败,原因："+userR.getMsg());
		}

		// 当查询条件in大于一千条时
		List<String> roleIdList = Func.toStrList(userR.getData().getRoleId());
		//构建查询菜单id的查询条件
		LambdaQueryWrapper<RoleMenu> roleMenuWrapper = Wrappers.<RoleMenu>query()
			.lambda().select(RoleMenu::getMenuId);
		if(roleIdList.size()>=1000){
			MybatisParameterUtil.cutInParameter(roleMenuWrapper,RoleMenu::getRoleId,roleIdList);
		}else {
			roleMenuWrapper.in(RoleMenu::getRoleId,roleIdList);
		}
		List<RoleMenu> roleMenus = roleMenuMapper.selectList(roleMenuWrapper);
		if(roleMenus.isEmpty()){
			return new ArrayList<>();
		}
		return roleMenus.stream().map(RoleMenu::getMenuId).collect(Collectors.toList());
	}


}