package com.whyc.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.whyc.mapper.PermitGroupUserMapper;
import com.whyc.pojo.db_user.Permitgroup;
import com.whyc.pojo.db_user.PermitgroupUsr;
import org.springframework.stereotype.Service;

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

@Service
public class PermitGroupUserService {

    @Resource
    private PermitGroupUserMapper mapper;

    public List<Permitgroup> getPermitByUser(Integer userId){
        if(userId<=100){
            //内置用户包含所有得权限
            return mapper.getAllPermitList();
        }else{
            return mapper.getPermitByUser(userId);
        }
    }

    public void update(PermitgroupUsr groupUser, int operationFlag) {
        if(operationFlag==1) {
            mapper.insert(groupUser);
        }else{
            UpdateWrapper<PermitgroupUsr> wrapper = Wrappers.update();
            wrapper.eq("permit_group_id",groupUser.getPermitGroupId()).eq("uid",groupUser.getUid());
            mapper.delete(wrapper);
        }
    }

    public void updateBatch(List<PermitgroupUsr> groupUserList, int operationFlag) {
        if(operationFlag==1) {
            mapper.insertBatchSomeColumn(groupUserList);
        }else{
            UpdateWrapper<PermitgroupUsr> wrapper = Wrappers.update();
            wrapper.eq("permit_group_id",groupUserList.get(0).getPermitGroupId());
            List<Integer> uIdList = groupUserList.stream().map(e -> e.getUid()).collect(Collectors.toList());
            wrapper.in("uid",uIdList);
            mapper.delete(wrapper);
        }
    }

    public PermitgroupUsr getPermitGroup(Integer uid) {
        QueryWrapper<PermitgroupUsr> wrapper = Wrappers.query();
        wrapper.select("permit_group_id").eq("uid",uid).last(" limit 1");
        return mapper.selectOne(wrapper);
    }

    public List<String> getItemList(Integer uId) {
        return mapper.getItemList(uId);
    }
}