/****************************************************************
 * 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.james;

import java.time.Duration;
import java.util.Optional;

import org.apache.james.backends.es.DockerElasticSearch;
import org.apache.james.backends.es.DockerElasticSearchSingleton;
import org.apache.james.backends.es.ElasticSearchConfiguration;
import org.junit.jupiter.api.extension.ExtensionContext;

import com.google.inject.Module;

public class DockerElasticSearchExtension implements GuiceModuleTestExtension {

    private final DockerElasticSearch dockerElasticSearch;
    private Optional<Duration> requestTimeout;

    public DockerElasticSearchExtension() {
        this(DockerElasticSearchSingleton.INSTANCE);
    }

    public DockerElasticSearchExtension withRequestTimeout(Duration requestTimeout) {
        this.requestTimeout = Optional.of(requestTimeout);
        return this;
    }

    public DockerElasticSearchExtension(DockerElasticSearch dockerElasticSearch) {
        this.dockerElasticSearch = dockerElasticSearch;
        requestTimeout = Optional.empty();
    }

    @Override
    public void beforeEach(ExtensionContext extensionContext) {
        getDockerES().start();
    }

    @Override
    public void afterEach(ExtensionContext extensionContext) {
    }

    @Override
    public Module getModule() {
        return binder -> binder.bind(ElasticSearchConfiguration.class)
            .toInstance(getElasticSearchConfigurationForDocker());
    }

    @Override
    public void await() {
        getDockerES().flushIndices();
    }

    private ElasticSearchConfiguration getElasticSearchConfigurationForDocker() {
        return ElasticSearchConfiguration.builder()
            .addHost(getDockerES().getHttpHost())
            .requestTimeout(requestTimeout)
            .build();
    }

    public DockerElasticSearch getDockerES() {
        return dockerElasticSearch;
    }
}
