/*
 * 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.camel.component.aws2.athena;

import org.apache.camel.Category;
import org.apache.camel.Component;
import org.apache.camel.Consumer;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.component.aws2.athena.client.Athena2ClientFactory;
import org.apache.camel.health.HealthCheckHelper;
import org.apache.camel.health.WritableHealthCheckRepository;
import org.apache.camel.spi.UriEndpoint;
import org.apache.camel.spi.UriParam;
import org.apache.camel.support.DefaultEndpoint;
import org.apache.camel.util.ObjectHelper;
import software.amazon.awssdk.services.athena.AthenaClient;

/**
 * Access AWS Athena service using AWS SDK version 2.x.
 */
@UriEndpoint(firstVersion = "3.4.0", scheme = "aws2-athena", title = "AWS Athena", syntax = "aws2-athena:label",
             producerOnly = true, category = { Category.CLOUD, Category.DATABASE }, headersClass = Athena2Constants.class)
public class Athena2Endpoint extends DefaultEndpoint {

    private AthenaClient athenaClient;

    private WritableHealthCheckRepository healthCheckRepository;
    private Athena2ClientHealthCheck clientHealthCheck;

    @UriParam
    private Athena2Configuration configuration;

    public Athena2Endpoint(String uri, Component component, Athena2Configuration configuration) {
        super(uri, component);
        this.configuration = configuration;
    }

    @Override
    public Consumer createConsumer(Processor processor) throws Exception {
        throw new UnsupportedOperationException("You cannot receive messages from this endpoint");
    }

    @Override
    public Producer createProducer() throws Exception {
        return new Athena2Producer(this);
    }

    @Override
    public void doInit() throws Exception {
        super.doInit();

        athenaClient = configuration.getAmazonAthenaClient() != null
                ? configuration.getAmazonAthenaClient()
                : Athena2ClientFactory.getAWSAthenaClient(configuration).getAthenaClient();

        // health-check is optional so discover and resolve
        healthCheckRepository = HealthCheckHelper.getHealthCheckRepository(
                getCamelContext(),
                "components",
                WritableHealthCheckRepository.class);

        if (healthCheckRepository != null) {
            clientHealthCheck = new Athena2ClientHealthCheck(this, getId());
            healthCheckRepository.addHealthCheck(clientHealthCheck);
        }
    }

    @Override
    public void doStop() throws Exception {
        if (healthCheckRepository != null && clientHealthCheck != null) {
            healthCheckRepository.removeHealthCheck(clientHealthCheck);
            clientHealthCheck = null;
        }

        if (ObjectHelper.isEmpty(configuration.getAmazonAthenaClient())) {
            if (athenaClient != null) {
                athenaClient.close();
            }
        }
        super.doStop();
    }

    public Athena2Configuration getConfiguration() {
        return configuration;
    }

    public void setConfiguration(Athena2Configuration configuration) {
        this.configuration = configuration;
    }

    public AthenaClient getAthenaClient() {
        return athenaClient;
    }

    public void setAthenaClient(AthenaClient athenaClient) {
        this.athenaClient = athenaClient;
    }
}
