/*
 * 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.rest.action.admin.indices;

import org.elasticsearch.action.admin.indices.recovery.RecoveryRequest;
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.Scope;
import org.elasticsearch.rest.ServerlessScope;
import org.elasticsearch.rest.action.RestCancellableNodeClient;
import org.elasticsearch.rest.action.RestChunkedToXContentListener;

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

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

/**
 * REST handler to report on index recoveries.
 */
@ServerlessScope(Scope.INTERNAL)
public class RestRecoveryAction extends BaseRestHandler {

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

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

    @Override
    public boolean allowSystemIndexAccessByDefault() {
        return true;
    }

    @Override
    public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {

        final RecoveryRequest recoveryRequest = new RecoveryRequest(Strings.splitStringByCommaToArray(request.param("index")));
        recoveryRequest.detailed(request.paramAsBoolean("detailed", false));
        recoveryRequest.activeOnly(request.paramAsBoolean("active_only", false));
        recoveryRequest.indicesOptions(IndicesOptions.fromRequest(request, recoveryRequest.indicesOptions()));
        return channel -> new RestCancellableNodeClient(client, request.getHttpChannel()).admin()
            .indices()
            .recoveries(recoveryRequest, new RestChunkedToXContentListener<>(channel));
    }
}
