/* 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.Runtime.Serialization;
using OpenSearch.Net.Utf8Json;

namespace OpenSearch.Client
{
	[InterfaceDataContract]
	[JsonFormatter(typeof(FieldNameQueryFormatter<NumericRangeQuery, INumericRangeQuery>))]
	public interface INumericRangeQuery : IRangeQuery
	{
		[DataMember(Name = "gt")]
		double? GreaterThan { get; set; }

		[DataMember(Name = "gte")]
		double? GreaterThanOrEqualTo { get; set; }

		[DataMember(Name = "lt")]
		double? LessThan { get; set; }

		[DataMember(Name = "lte")]
		double? LessThanOrEqualTo { get; set; }

		[DataMember(Name = "relation")]
		RangeRelation? Relation { get; set; }
	}

	public class NumericRangeQuery : FieldNameQueryBase, INumericRangeQuery
	{
		public double? GreaterThan { get; set; }
		public double? GreaterThanOrEqualTo { get; set; }
		public double? LessThan { get; set; }
		public double? LessThanOrEqualTo { get; set; }

		public RangeRelation? Relation { get; set; }
		protected override bool Conditionless => IsConditionless(this);

		internal override void InternalWrapInContainer(IQueryContainer c) => c.Range = this;

		internal static bool IsConditionless(INumericRangeQuery q) => q.Field.IsConditionless()
			|| q.GreaterThanOrEqualTo == null
			&& q.LessThanOrEqualTo == null
			&& q.GreaterThan == null
			&& q.LessThan == null;
	}

	[DataContract]
	public class NumericRangeQueryDescriptor<T>
		: FieldNameQueryDescriptorBase<NumericRangeQueryDescriptor<T>, INumericRangeQuery, T>
			, INumericRangeQuery where T : class
	{
		protected override bool Conditionless => NumericRangeQuery.IsConditionless(this);
		double? INumericRangeQuery.GreaterThan { get; set; }
		double? INumericRangeQuery.GreaterThanOrEqualTo { get; set; }
		double? INumericRangeQuery.LessThan { get; set; }
		double? INumericRangeQuery.LessThanOrEqualTo { get; set; }

		RangeRelation? INumericRangeQuery.Relation { get; set; }

		public NumericRangeQueryDescriptor<T> GreaterThan(double? from) => Assign(from, (a, v) => a.GreaterThan = v);

		public NumericRangeQueryDescriptor<T> GreaterThanOrEquals(double? from) => Assign(from, (a, v) => a.GreaterThanOrEqualTo = v);

		public NumericRangeQueryDescriptor<T> LessThan(double? to) => Assign(to, (a, v) => a.LessThan = v);

		public NumericRangeQueryDescriptor<T> LessThanOrEquals(double? to) => Assign(to, (a, v) => a.LessThanOrEqualTo = v);

		public NumericRangeQueryDescriptor<T> Relation(RangeRelation? relation) => Assign(relation, (a, v) => a.Relation = v);
	}
}