/* 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 OpenSearch.Net;
using FluentAssertions;
using OpenSearch.Client;
using Tests.Core.Client;
using Tests.Core.Extensions;
using Tests.Domain;

namespace Tests.ClientConcepts.ServerError
{
	public abstract class ServerErrorTestsBase
	{
		protected ServerErrorTestsBase()
		{
			var settings = FixedResponseClient.CreateConnectionSettings(ResponseJson, 500);
			LowLevelClient = new OpenSearchLowLevelClient(settings);
			HighLevelClient = new OpenSearchClient(settings);
		}

		protected abstract string Json { get; }
		private IOpenSearchClient HighLevelClient { get; }
		private IOpenSearchLowLevelClient LowLevelClient { get; }

		private string ResponseJson => string.Concat(@"{ ""error"": ", Json, @", ""status"":500 }");

		protected virtual void AssertServerError()
		{
			LowLevelCall();
			HighLevelCall();
		}

		protected void HighLevelCall()
		{
			var response = HighLevelClient.Search<Project>(s => s);
			response.Should().NotBeNull();
			var serverError = response.ServerError;
			serverError.Should().NotBeNull();
			serverError.Status.Should().Be(response.ApiCall.HttpStatusCode);
			serverError.Error.Should().NotBeNull();
			serverError.Error.Headers.Should().NotBeNull();
			AssertResponseError("high level client", serverError.Error);
		}

		protected void LowLevelCall()
		{
			var response = LowLevelClient.Search<StringResponse>(PostData.Serializable(new { }));
			response.Should().NotBeNull();
			response.Body.Should().NotBeNullOrWhiteSpace();
			var hasServerError = response.TryGetServerError(out var serverError);
			hasServerError.Should().BeTrue("we're trying to deserialize a server error using the helper but it returned false");
			serverError.Should().NotBeNull();
			serverError.Status.Should().Be(response.ApiCall.HttpStatusCode);
			AssertResponseError("low level client", serverError.Error);
		}

		protected abstract void AssertResponseError(string origin, Error error);
	}
}