/*
 * 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.rest.action.admin.cluster;

import org.elasticsearch.action.admin.cluster.shards.ClusterSearchShardsRequest;
import org.elasticsearch.action.admin.cluster.shards.TransportClusterSearchShardsAction;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.client.internal.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestUtils;
import org.elasticsearch.rest.action.RestToXContentListener;

import java.io.IOException;
import java.util.List;

import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestRequest.Method.POST;

public class RestClusterSearchShardsAction extends BaseRestHandler {

    @Override
    public List<Route> routes() {
        return List.of(
            new Route(GET, "/_search_shards"),
            new Route(POST, "/_search_shards"),
            new Route(GET, "/{index}/_search_shards"),
            new Route(POST, "/{index}/_search_shards")
        );
    }

    @Override
    public String getName() {
        return "cluster_search_shards_action";
    }

    @Override
    public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
        final ClusterSearchShardsRequest clusterSearchShardsRequest = new ClusterSearchShardsRequest(
            RestUtils.getMasterNodeTimeout(request),
            Strings.splitStringByCommaToArray(request.param("index"))
        );
        clusterSearchShardsRequest.local(request.paramAsBoolean("local", clusterSearchShardsRequest.local()));
        clusterSearchShardsRequest.routing(request.param("routing"));
        clusterSearchShardsRequest.preference(request.param("preference"));
        clusterSearchShardsRequest.indicesOptions(IndicesOptions.fromRequest(request, clusterSearchShardsRequest.indicesOptions()));
        return channel -> client.execute(
            TransportClusterSearchShardsAction.TYPE,
            clusterSearchShardsRequest,
            new RestToXContentListener<>(channel)
        );
    }
}