/* 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.Specification.IngestApi
{
	[InterfaceDataContract]
	public interface IFingerprintProcessor : IProcessor
	{
		[DataMember(Name = "fields")]
		Fields Fields { get; set; }

		[DataMember(Name = "ignore_missing")]
		bool? IgnoreMissing { get; set; }

		[DataMember(Name = "method")]
		string Method { get; set; }

		[DataMember(Name = "salt")]
		string Salt { get; set; }

		[DataMember(Name = "target_field")]
		Field TargetField { get; set; }
	}

	public class FingerprintProcessor : ProcessorBase, IFingerprintProcessor
	{
		protected override string Name => "fingerprint";

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

		/// <inheritdoc />
		public bool? IgnoreMissing { get; set; }

		/// <inheritdoc />
		public string Method { get; set; }

		/// <inheritdoc />
		public string Salt { get; set; }

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

	/// <inheritdoc cref="IFingerprintProcessor" />
	public class FingerprintProcessorDescriptor<T>
		: ProcessorDescriptorBase<FingerprintProcessorDescriptor<T>, IFingerprintProcessor>, IFingerprintProcessor
		where T : class
	{
		protected override string Name => "fingerprint";

		Fields IFingerprintProcessor.Fields { get; set; }

		string IFingerprintProcessor.Method { get; set; }

		string IFingerprintProcessor.Salt { get; set; }

		Field IFingerprintProcessor.TargetField { get; set; }

		bool? IFingerprintProcessor.IgnoreMissing { get; set; }

		/// <inheritdoc cref="IFingerprintProcessor.Fields" />
		public FingerprintProcessorDescriptor<T> Fields(Fields fields) => Assign(fields, (a, v) => a.Fields = v);

		/// <inheritdoc cref="IFingerprintProcessor.Fields" />
		public FingerprintProcessorDescriptor<T> Fields(Func<FieldsDescriptor<T>, IPromise<Fields>> selector) =>
			Assign(selector, (a, v) => a.Fields = v?.Invoke(new FieldsDescriptor<T>())?.Value);

		/// <inheritdoc cref="IFingerprintProcessor.IgnoreMissing" />
		public FingerprintProcessorDescriptor<T> IgnoreMissing(bool? ignoreMissing = true) => Assign(ignoreMissing, (a, v) => a.IgnoreMissing = v);

		/// <inheritdoc cref="IFingerprintProcessor.Method" />
		public FingerprintProcessorDescriptor<T> Method(string method) => Assign(method, (a, v) => a.Method = v);

		/// <inheritdoc cref="IFingerprintProcessor.Salt" />
		public FingerprintProcessorDescriptor<T> Salt(string salt) => Assign(salt, (a, v) => a.Salt = v);

		/// <inheritdoc cref="IFingerprintProcessor.TargetField" />
		public FingerprintProcessorDescriptor<T> TargetField(Field field) => Assign(field, (a, v) => a.TargetField = v);

		/// <inheritdoc cref="IFingerprintProcessor.TargetField" />
		public FingerprintProcessorDescriptor<T> TargetField<TValue>(Expression<Func<T, TValue>> objectPath) =>
			Assign(objectPath, (a, v) => a.TargetField = v);
	}
}