/* 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.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
*  Licensed to Elasticsearch B.V. under one or more contributor
*  license agreements. See the NOTICE file distributed with
*  this work for additional information regarding copyright
*  ownership. Elasticsearch B.V. 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.
*/

using System;
using OpenSearch.Net;

namespace OpenSearch.Client
{
	internal static class RequestMetaDataExtensions
	{
		internal static void AddHelper(this RequestMetaData metaData, string helperValue)
		{
			if (!metaData.TryAddMetaData(RequestMetaData.HelperKey, helperValue))
				throw new InvalidOperationException("A helper value has already been added.");
		}

		internal static void AddSnapshotHelper(this RequestMetaData metaData) => metaData.AddHelper(HelperIdentifiers.SnapshotHelper);

		internal static void AddScrollHelper(this RequestMetaData metaData) => metaData.AddHelper(HelperIdentifiers.ScrollHelper);

		internal static void AddReindexHelper(this RequestMetaData metaData) => metaData.AddHelper(HelperIdentifiers.ReindexHelper);

		internal static void AddBulkHelper(this RequestMetaData metaData) => metaData.AddHelper(HelperIdentifiers.BulkHelper);

		internal static void AddRestoreHelper(this RequestMetaData metaData) => metaData.AddHelper(HelperIdentifiers.RestoreHelper);
	}

	internal static class RequestMetaDataFactory
	{
		internal static RequestMetaData ReindexHelperRequestMetaData()
		{
			var metaData = new RequestMetaData();
			metaData.AddReindexHelper();
			return metaData;
		}

		internal static RequestMetaData ScrollHelperRequestMetaData()
		{
			var metaData = new RequestMetaData();
			metaData.AddScrollHelper();
			return metaData;
		}

		internal static RequestMetaData BulkHelperRequestMetaData()
		{
			var metaData = new RequestMetaData();
			metaData.AddBulkHelper();
			return metaData;
		}

		internal static RequestMetaData SnapshotHelperRequestMetaData()
		{
			var metaData = new RequestMetaData();
			metaData.AddSnapshotHelper();
			return metaData;
		}

		internal static RequestMetaData RestoreHelperRequestMetaData()
		{
			var metaData = new RequestMetaData();
			metaData.AddRestoreHelper();
			return metaData;
		}
	}
}