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/*
 * 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 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 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.client.indices;

import org.elasticsearch.client.TimedRequest;
import org.elasticsearch.client.Validatable;
import org.elasticsearch.common.Strings;
import org.elasticsearch.core.Nullable;
import org.elasticsearch.core.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 masterNodeTimeout = TimedRequest.DEFAULT_MASTER_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 master node to respond
     */
    public TimeValue getMasterNodeTimeout() {
        return masterNodeTimeout;
    }

    public void setMasterNodeTimeout(@Nullable TimeValue masterNodeTimeout) {
        this.masterNodeTimeout = masterNodeTimeout;
    }

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

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

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