/* 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,
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*  KIND, either express or implied.  See the License for the
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*/

using OpenSearch.Net;
using FluentAssertions;
using OpenSearch.Client;
using OpenSearch.Client.Specification.IndicesApi;
using Tests.Core.ManagedOpenSearch.Clusters;
using Tests.Domain;
using Tests.Framework.EndpointTests;
using Tests.Framework.EndpointTests.TestState;
using static OpenSearch.Client.Infer;

namespace Tests.Indices.IndexManagement.IndicesExists
{
	public class IndexExistsApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, ExistsResponse, IIndexExistsRequest, IndexExistsDescriptor, IndexExistsRequest>
	{
		public IndexExistsApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override bool ExpectIsValid => true;
		protected override int ExpectStatusCode => 200;
		protected override HttpMethod HttpMethod => HttpMethod.HEAD;

		protected override IndexExistsRequest Initializer => new IndexExistsRequest(Index<Project>());
		protected override string UrlPath => $"/project";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Indices.Exists(Index<Project>()),
			(client, f) => client.Indices.ExistsAsync(Index<Project>()),
			(client, r) => client.Indices.Exists(r),
			(client, r) => client.Indices.ExistsAsync(r)
		);

		protected override void ExpectResponse(ExistsResponse response) => response.Exists.Should().BeTrue();
	}

	// DisableDirectStreaming = false so that response stream is not seekable
	public class IndexNotExistsApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, ExistsResponse, IIndexExistsRequest, IndexExistsDescriptor, IndexExistsRequest>
	{
		private const string NonExistentIndex = "non-existent-index";

		public IndexNotExistsApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override bool ExpectIsValid => false;
		protected override int ExpectStatusCode => 404;
		protected override HttpMethod HttpMethod => HttpMethod.HEAD;

		protected override IndexExistsRequest Initializer => new IndexExistsRequest(NonExistentIndex)
		{
			RequestConfiguration = new RequestConfiguration
			{
				DisableDirectStreaming = false
			}
		};
		protected override string UrlPath => $"/{NonExistentIndex}";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Indices.Exists(NonExistentIndex, r => r.RequestConfiguration(c => c.DisableDirectStreaming(false))),
			(client, f) => client.Indices.ExistsAsync(NonExistentIndex,r => r.RequestConfiguration(c => c.DisableDirectStreaming(false))),
			(client, r) => client.Indices.Exists(r),
			(client, r) => client.Indices.ExistsAsync(r)
		);

		protected override void ExpectResponse(ExistsResponse response) => response.Exists.Should().BeFalse();
	}
}