/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.apache.kylin.rest.service;

import java.util.List;
import java.util.stream.Collectors;

import org.apache.kylin.rest.constant.Constant;

import org.apache.kylin.metadata.user.ManagedUser;
import lombok.extern.slf4j.Slf4j;

@Slf4j
public class CaseInsensitiveKylinUserService extends KylinUserService {

    @Override
    public List<String> listAdminUsers() {
        return listUsers().parallelStream()
                .filter(managedUser -> managedUser.getAuthorities().parallelStream().anyMatch(
                        simpleGrantedAuthority -> Constant.ROLE_ADMIN.equals(simpleGrantedAuthority.getAuthority())))
                .map(ManagedUser::getUsername).collect(Collectors.toList());
    }

    @Override
    public List<String> listNormalUsers() {
        return listUsers().parallelStream()
                .filter(managedUser -> managedUser.getAuthorities().parallelStream().noneMatch(
                        simpleGrantedAuthority -> Constant.ROLE_ADMIN.equals(simpleGrantedAuthority.getAuthority())))
                .map(ManagedUser::getUsername).collect(Collectors.toList());
    }
}
