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/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.
 */

/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.client.indices;

import org.opensearch.client.TimedRequest;
import org.opensearch.client.Validatable;
import org.opensearch.common.Nullable;
import org.opensearch.common.Strings;
import org.opensearch.common.unit.TimeValue;

import java.util.Arrays;
import java.util.List;
import java.util.Objects;

import static java.util.Collections.unmodifiableList;

/**
 * A request to read the content of index templates
 */
public class GetIndexTemplatesRequest implements Validatable {

    private final List names;

    private TimeValue clusterManagerNodeTimeout = TimedRequest.DEFAULT_CLUSTER_MANAGER_NODE_TIMEOUT;
    private boolean local = false;

    /**
     * Create a request to read the content of one or more index templates. If no template names are provided, all templates will be read
     *
     * @param names the names of templates to read
     */
    public GetIndexTemplatesRequest(String... names) {
        this(Arrays.asList(names));
    }

    /**
     * Create a request to read the content of one or more index templates. If no template names are provided, all templates will be read
     *
     * @param names the names of templates to read
     */
    public GetIndexTemplatesRequest(List names) {
        Objects.requireNonNull(names);
        if (names.stream().anyMatch(name -> name == null || Strings.hasText(name) == false)) {
            throw new IllegalArgumentException("all index template names must be non null and non empty");
        }
        this.names = unmodifiableList(names);
    }

    /**
     * @return the names of index templates this request is requesting
     */
    public List names() {
        return names;
    }

    /**
     * @return the timeout for waiting for the cluster-manager node to respond
     */
    public TimeValue getClusterManagerNodeTimeout() {
        return clusterManagerNodeTimeout;
    }

    /**
     * @return the timeout for waiting for the cluster-manager node to respond
     * @deprecated As of 2.2, because supporting inclusive language, replaced by {@link #getMasterNodeTimeout()}
     */
    @Deprecated
    public TimeValue getMasterNodeTimeout() {
        return getClusterManagerNodeTimeout();
    }

    public void setClusterManagerNodeTimeout(@Nullable TimeValue clusterManagerNodeTimeout) {
        this.clusterManagerNodeTimeout = clusterManagerNodeTimeout;
    }

    /** @deprecated As of 2.2, because supporting inclusive language, replaced by {@link #setClusterManagerNodeTimeout(TimeValue)} */
    @Deprecated
    public void setMasterNodeTimeout(@Nullable TimeValue clusterManagerNodeTimeout) {
        setClusterManagerNodeTimeout(clusterManagerNodeTimeout);
    }

    public void setClusterManagerNodeTimeout(String clusterManagerNodeTimeout) {
        final TimeValue timeValue = TimeValue.parseTimeValue(
            clusterManagerNodeTimeout,
            getClass().getSimpleName() + ".clusterManagerNodeTimeout"
        );
        setClusterManagerNodeTimeout(timeValue);
    }

    /** @deprecated As of 2.2, because supporting inclusive language, replaced by {@link #setClusterManagerNodeTimeout(String)} */
    @Deprecated
    public void setMasterNodeTimeout(String clusterManagerNodeTimeout) {
        setClusterManagerNodeTimeout(clusterManagerNodeTimeout);
    }

    /**
     * @return true if this request is to read from the local cluster state, rather than the cluster-manager node - false otherwise
     */
    public boolean isLocal() {
        return local;
    }

    public void setLocal(boolean local) {
        this.local = local;
    }
}