/* 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.
*/

namespace OpenSearch.Client
{
	public interface IShardRebalancingSettings
	{
		/// <summary>Specify when shard rebalancing is allowed</summary>
		AllowRebalance? AllowRebalance { get; set; }

		/// <summary>Allow to control how many concurrent shard rebalances are allowed cluster wide. Defaults to 2.</summary>
		int? ConcurrentRebalance { get; set; }

		/// <summary>Enable or disable rebalancing for specific kinds of shards</summary>
		RebalanceEnable? RebalanceEnable { get; set; }
	}

	public class ShardRebalancingSettings : IShardRebalancingSettings
	{
		/// <inheritdoc />
		public AllowRebalance? AllowRebalance { get; set; }

		/// <inheritdoc />
		public int? ConcurrentRebalance { get; set; }

		/// <inheritdoc />
		public RebalanceEnable? RebalanceEnable { get; set; }
	}

	public class ShardRebalancingSettingsDescriptor
		: DescriptorBase<ShardRebalancingSettingsDescriptor, IShardRebalancingSettings>, IShardRebalancingSettings
	{
		AllowRebalance? IShardRebalancingSettings.AllowRebalance { get; set; }

		int? IShardRebalancingSettings.ConcurrentRebalance { get; set; }
		RebalanceEnable? IShardRebalancingSettings.RebalanceEnable { get; set; }

		/// <inheritdoc />
		public ShardRebalancingSettingsDescriptor RebalanceEnable(RebalanceEnable? enable) => Assign(enable, (a, v) => a.RebalanceEnable = v);

		/// <inheritdoc />
		public ShardRebalancingSettingsDescriptor AllowRebalance(AllowRebalance? enable) => Assign(enable, (a, v) => a.AllowRebalance = v);

		/// <inheritdoc />
		public ShardRebalancingSettingsDescriptor ConcurrentRebalance(int? concurrent) => Assign(concurrent, (a, v) => a.ConcurrentRebalance = v);
	}
}