/* 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;

namespace OpenSearch.Client
{
	[ReadAs(typeof(FieldLookup))]
	public interface IFieldLookup
	{
		[DataMember(Name ="id")]
		Id Id { get; set; }

		[DataMember(Name ="index")]
		IndexName Index { get; set; }

		[DataMember(Name ="path")]
		Field Path { get; set; }

		[DataMember(Name ="routing")]
		Routing Routing { get; set; }
	}

	public class FieldLookup : IFieldLookup
	{
		public Id Id { get; set; }
		public IndexName Index { get; set; }
		public Field Path { get; set; }
		public Routing Routing { get; set; }
	}

	public class FieldLookupDescriptor<T> : DescriptorBase<FieldLookupDescriptor<T>, IFieldLookup>, IFieldLookup
		where T : class
	{
		public FieldLookupDescriptor() => Self.Index = ClrType;

		private static Type ClrType => typeof(T);

		Id IFieldLookup.Id { get; set; }

		IndexName IFieldLookup.Index { get; set; }

		Field IFieldLookup.Path { get; set; }

		Routing IFieldLookup.Routing { get; set; }

		public FieldLookupDescriptor<T> Index(IndexName index) => Assign(index, (a, v) => a.Index = v);

		public FieldLookupDescriptor<T> Id(Id id) => Assign(id, (a, v) => a.Id = v);

		public FieldLookupDescriptor<T> Path(Field path) => Assign(path, (a, v) => a.Path = v);

		public FieldLookupDescriptor<T> Path<TValue>(Expression<Func<T, TValue>> objectPath) => Assign(objectPath, (a, v) => a.Path = v);

		public FieldLookupDescriptor<T> Routing(Routing routing) => Assign(routing, (a, v) => a.Routing = v);
	}
}