/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.action.bulk;

import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.DocWriteRequest;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.HandledTransportAction;
import org.elasticsearch.action.support.WriteRequest;
import org.elasticsearch.action.support.WriteResponse;
import org.elasticsearch.action.support.replication.ReplicatedWriteRequest;
import org.elasticsearch.action.support.replication.ReplicationResponse;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.util.concurrent.EsExecutors;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.transport.TransportService;

/**
 * Use {@link TransportBulkAction} instead with {@link TransportBulkAction#unwrappingSingleItemBulkResponse(ActionListener)}
 * to unwrap response.
 */
@Deprecated
public abstract class TransportSingleItemBulkWriteAction<
    Request extends ReplicatedWriteRequest<Request>,
    Response extends ReplicationResponse & WriteResponse> extends HandledTransportAction<Request, Response> {

    private final TransportBulkAction bulkAction;

    protected TransportSingleItemBulkWriteAction(
        String actionName,
        TransportService transportService,
        ActionFilters actionFilters,
        Writeable.Reader<Request> requestReader,
        TransportBulkAction bulkAction
    ) {
        super(actionName, transportService, actionFilters, requestReader, EsExecutors.DIRECT_EXECUTOR_SERVICE);
        this.bulkAction = bulkAction;
    }

    @Override
    protected void doExecute(Task task, final Request request, final ActionListener<Response> listener) {
        bulkAction.execute(task, toSingleItemBulkRequest(request), TransportBulkAction.unwrappingSingleItemBulkResponse(listener));
    }

    public static BulkRequest toSingleItemBulkRequest(ReplicatedWriteRequest<?> request) {
        BulkRequest bulkRequest = new BulkRequest();
        bulkRequest.add(((DocWriteRequest<?>) request));
        bulkRequest.setRefreshPolicy(request.getRefreshPolicy());
        bulkRequest.timeout(request.timeout());
        bulkRequest.waitForActiveShards(request.waitForActiveShards());
        request.setRefreshPolicy(WriteRequest.RefreshPolicy.NONE);
        return bulkRequest;
    }
}