/* 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.Diagnostics.CodeAnalysis;
using System.Text;
using OpenSearch.OpenSearch.Xunit.XunitPlumbing;
using OpenSearch.Net;
using FluentAssertions;
using OpenSearch.Client;
using OpenSearch.Client.JsonNetSerializer;
using Newtonsoft.Json;

namespace Tests.Reproduce
{
	public class GithubIssue3164
	{
		[U]
		public void SerializerRespectsDateTimeValuesFromOpenSearch()
		{
			var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));

			// simulate a request rather than using the source serializer directly, so that
			// the SourceConverter is invoked.
			var json = @"{
				""_index"" : ""dates"",
				""_type"" : ""_doc"",
				""_id"" : ""1"",
				""_version"" : 1,
				""found"": true,
				""_source"" : {
					""DateTimeLocal"": ""2018-02-01T15:00:00+10:00"",
					""DateTimeUnspecified"": ""2018-06-01T15:00:00"",
					""DateTimeUtc"": ""2018-04-01T00:00:00Z"",
					""DateTimeOffset"": ""2018-08-01T15:00:00+10:00"",
					""DateTimeOffsetUtc"": ""2018-10-01T00:00:00+00:00""
				}
			}";

			var connectionSettings = new ConnectionSettings(
				pool,
				new InMemoryConnection(Encoding.UTF8.GetBytes(json)),
				(builtin, values) => new CustomSerializer(builtin, values));

			var client = new OpenSearchClient(connectionSettings);

			var getResponse = client.Get<Dates>(1, g => g.Index("dates"));
			var dates = getResponse.Source;

			dates.DateTimeLocal.Kind.Should().Be(DateTimeKind.Local);
			dates.DateTimeUnspecified.Kind.Should().Be(DateTimeKind.Unspecified);
			dates.DateTimeUtc.Kind.Should().Be(DateTimeKind.Utc);
			dates.DateTimeOffset.Offset.Should().Be(TimeSpan.FromHours(10));
			dates.DateTimeOffsetUtc.Offset.Should().Be(TimeSpan.Zero);
		}

		public sealed class CustomSerializer : ConnectionSettingsAwareSerializerBase
		{
			public CustomSerializer(IOpenSearchSerializer builtinSerializer, IConnectionSettingsValues connectionSettings)
				: base(builtinSerializer, connectionSettings) { }

			protected override JsonSerializerSettings CreateJsonSerializerSettings() => new JsonSerializerSettings
			{
				DateFormatHandling = DateFormatHandling.IsoDateFormat,
				DateParseHandling = DateParseHandling.DateTimeOffset,
				DateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind,
				Formatting = Formatting.Indented
			};
		}

		[SuppressMessage("ReSharper", "UnusedAutoPropertyAccessor.Local")]
		private class Dates
		{
			public DateTime DateTimeLocal { get; set; }
			public DateTimeOffset DateTimeOffset { get; set; }
			public DateTimeOffset DateTimeOffsetUtc { get; set; }
			public DateTime DateTimeUnspecified { get; set; }
			public DateTime DateTimeUtc { get; set; }
		}
	}
}