/* 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;
using OpenSearch.Net.Utf8Json;

namespace OpenSearch.Client
{
	/// <summary>
	/// An item within a bulk response
	/// </summary>
	[JsonFormatter(typeof(BulkResponseItemFormatter))]
	public abstract class BulkResponseItemBase
	{
		/// <summary>
		/// The error associated with the bulk operation
		/// </summary>
		[DataMember(Name = "error")]
		public Error Error { get; internal set; }

		/// <summary>
		/// The id of the document for the bulk operation
		/// </summary>
		[DataMember(Name = "_id")]
		public string Id { get; internal set; }

		/// <summary>
		/// The index against which the bulk operation ran
		/// </summary>
		[DataMember(Name = "_index")]
		public string Index { get; internal set; }

		/// <summary> The type of bulk operation </summary>
		public abstract string Operation { get; }

		[DataMember(Name = "_primary_term")]
		public long PrimaryTerm { get; internal set; }

		[DataMember(Name = "get")]
		internal LazyDocument Get { get; set; }

		/// <summary>
		/// Deserialize the <see cref="Get"/> property as a <see cref="GetResponse{TDocument}"/> type, where <typeparamref name="TDocument"/> is the document type.
		/// </summary>
		public GetResponse<TDocument> GetResponse<TDocument>() where TDocument : class => Get?.AsUsingRequestResponseSerializer<GetResponse<TDocument>>();

		/// <summary> The result of the bulk operation</summary>
		[DataMember(Name = "result")]
		public string Result { get; internal set; }

		[DataMember(Name = "_seq_no")]
		public long SequenceNumber { get; internal set; }

		/// <summary>
		/// The shards associated with the bulk operation
		/// </summary>
		[DataMember(Name = "_shards")]
		public ShardStatistics Shards { get; internal set; }

		/// <summary> The status of the bulk operation </summary>
		[DataMember(Name = "status")]
		public int Status { get; internal set; }

		/// <summary>
		/// The type against which the bulk operation ran
		/// </summary>
		/// <remarks>Deprecated as of OpenSearch 2.0</remarks>
		[DataMember(Name = "_type")]
		public string Type { get; internal set; }

		/// <summary> The version of the document </summary>
		[DataMember(Name = "_version")]
		public long Version { get; internal set; }

		/// <summary>
		/// Specifies whether this particular bulk operation succeeded or not
		/// </summary>
		public bool IsValid
		{
			get
			{
				if (Error != null) return false;

				switch (Operation.ToLowerInvariant())
				{
					case "delete": return Status == 200 || Status == 404;
					case "update":
					case "index":
					case "create":
						return Status == 200 || Status == 201;
					default:
						return false;
				}
			}
		}

		public override string ToString() =>
			$"{Operation} returned {Status} _index: {Index} _type: {Type} _id: {Id} _version: {Version} error: {Error}";
	}
}