/*
 * 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.flink.streaming.connectors.pulsar.internal;

import org.apache.pulsar.client.admin.PulsarAdmin;
import org.apache.pulsar.client.api.Authentication;
import org.apache.pulsar.client.api.AuthenticationFactory;
import org.apache.pulsar.client.api.PulsarClientException;
import org.apache.pulsar.client.impl.auth.AuthenticationDisabled;
import org.apache.pulsar.client.impl.conf.ClientConfigurationData;
import org.apache.pulsar.shade.org.apache.commons.lang3.StringUtils;

import java.util.Properties;

/** Utility to create Pulsar Admin Client from adminUrl and clientConfigurationData. */
public class PulsarClientUtils {

    public static PulsarAdmin newAdminFromConf(
            String adminUrl, ClientConfigurationData clientConfigurationData)
            throws PulsarClientException {
        return PulsarAdmin.builder()
                .serviceHttpUrl(adminUrl)
                .authentication(getAuth(clientConfigurationData))
                .build();
    }

    public static PulsarAdmin newAdminFromConf(String adminUrl, Properties properties)
            throws PulsarClientException {
        return newAdminFromConf(adminUrl, newClientConf(adminUrl, properties));
    }

    private static Authentication getAuth(ClientConfigurationData conf)
            throws PulsarClientException {
        if (!StringUtils.isBlank(conf.getAuthPluginClassName())
                && !StringUtils.isBlank(conf.getAuthParams())) {
            return AuthenticationFactory.create(
                    conf.getAuthPluginClassName(), conf.getAuthParams());
        }
        return AuthenticationDisabled.INSTANCE;
    }

    public static ClientConfigurationData newClientConf(String serviceUrl, Properties properties) {
        ClientConfigurationData clientConf = new ClientConfigurationData();
        clientConf.setServiceUrl(serviceUrl);
        if (properties != null) {
            clientConf.setAuthParams(properties.getProperty(PulsarOptions.AUTH_PARAMS_KEY));
            clientConf.setAuthPluginClassName(
                    properties.getProperty(PulsarOptions.AUTH_PLUGIN_CLASSNAME_KEY));
        }
        return clientConf;
    }
}
