/* 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 System.Linq.Expressions;
using System.Runtime.Serialization;
using OpenSearch.Net.Utf8Json;

namespace OpenSearch.Client
{
	[InterfaceDataContract]
	[ReadAs(typeof(GeoTileGridAggregation))]
	public interface IGeoTileGridAggregation : IBucketAggregation
	{
		/// <summary>
		/// The name of the field indexed with GeoPoints.
		/// </summary>
		[DataMember(Name ="field")]
		Field Field { get; set; }

		/// <summary>
		/// The zoom of the key used to define cells/buckets in the results.
		/// </summary>
		[DataMember(Name ="precision")]
		GeoTilePrecision? Precision { get; set; }

		/// <summary>
		/// To allow for more accurate counting of the top cells returned in the final result the aggregation.
		/// </summary>
		[DataMember(Name ="shard_size")]
		int? ShardSize { get; set; }

		/// <summary>
		/// The maximum number of geohash buckets to return.
		/// </summary>
		[DataMember(Name ="size")]
		int? Size { get; set; }
	}

	public class GeoTileGridAggregation : BucketAggregationBase, IGeoTileGridAggregation
	{
		internal GeoTileGridAggregation() { }

		public GeoTileGridAggregation(string name) : base(name) { }

		/// <inheritdoc />
		public Field Field { get; set; }

		/// <inheritdoc />
		public GeoTilePrecision? Precision { get; set; }

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

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

		internal override void WrapInContainer(AggregationContainer c) => c.GeoTile = this;
	}

	public class GeoTileGridAggregationDescriptor<T>
		: BucketAggregationDescriptorBase<GeoTileGridAggregationDescriptor<T>, IGeoTileGridAggregation, T>
			, IGeoTileGridAggregation
		where T : class
	{
		Field IGeoTileGridAggregation.Field { get; set; }

		GeoTilePrecision? IGeoTileGridAggregation.Precision { get; set; }

		int? IGeoTileGridAggregation.ShardSize { get; set; }

		int? IGeoTileGridAggregation.Size { get; set; }

		/// <inheritdoc cref="IGeoTileGridAggregation.Field" />
		public GeoTileGridAggregationDescriptor<T> Field(Field field) => Assign(field, (a, v) => a.Field = v);

		/// <inheritdoc cref="IGeoTileGridAggregation.Field" />
		public GeoTileGridAggregationDescriptor<T> Field<TValue>(Expression<Func<T, TValue>> field) => Assign(field, (a, v) => a.Field = v);

		/// <inheritdoc cref="IGeoTileGridAggregation.Size" />
		public GeoTileGridAggregationDescriptor<T> Size(int? size) => Assign(size, (a, v) => a.Size = v);

		/// <inheritdoc cref="IGeoTileGridAggregation.ShardSize" />
		public GeoTileGridAggregationDescriptor<T> ShardSize(int? shardSize) => Assign(shardSize, (a, v) => a.ShardSize = v);

		/// <inheritdoc cref="IGeoTileGridAggregation.Precision" />
		public GeoTileGridAggregationDescriptor<T> Precision(GeoTilePrecision? precision) =>
			Assign(precision, (a, v) => a.Precision = v);
	}
}