/* 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
*
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using OpenSearch.Net;
using FluentAssertions;
using OpenSearch.Client;
using OpenSearch.Client.Specification.ClusterApi;
using Tests.Core.Extensions;
using Tests.Core.ManagedOpenSearch.Clusters;
using Tests.Domain;
using Tests.Framework.EndpointTests;
using Tests.Framework.EndpointTests.TestState;
using static OpenSearch.Client.Infer;

namespace Tests.Cluster.RemoteInfo
{
	public class RemoteInfoApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, RemoteInfoResponse, IRemoteInfoRequest, RemoteInfoDescriptor, RemoteInfoRequest>
	{
		public RemoteInfoApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override bool ExpectIsValid => true;
		protected override int ExpectStatusCode => 200;
		protected override HttpMethod HttpMethod => HttpMethod.GET;
		protected override string UrlPath => "/_remote/info";

		protected override void IntegrationSetup(IOpenSearchClient client, CallUniqueValues values)
		{
			var enableRemoteClusters = client.Cluster.PutSettings(new ClusterPutSettingsRequest
			{
				Transient = new RemoteClusterConfiguration()
				{
					{ "cluster_one", "127.0.0.1:9300", "127.0.0.1:9301" },
					{ "cluster_two", "127.0.0.1:9300" }
				}
			});
			enableRemoteClusters.ShouldBeValid();

			var remoteSearch = client.Search<Project>(s => s.Index(Index<Project>("cluster_one").And<Project>("cluster_two")));
			remoteSearch.ShouldBeValid();
		}

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Cluster.RemoteInfo(),
			(client, f) => client.Cluster.RemoteInfoAsync(),
			(client, r) => client.Cluster.RemoteInfo(r),
			(client, r) => client.Cluster.RemoteInfoAsync(r)
		);

		protected override void ExpectResponse(RemoteInfoResponse response)
		{
			response.Remotes.Should()
				.NotBeEmpty()
				.And.ContainKey("cluster_one")
				.And.ContainKey("cluster_two");

			foreach (var (name, remote) in response.Remotes)
			{
				if (!name.StartsWith("cluster_")) continue;
				remote.Connected.Should().BeTrue();
				remote.Seeds.Should().NotBeNullOrEmpty();
				remote.InitialConnectTimeout.Should().NotBeNull().And.Be("30s");
				remote.MaxConnectionsPerCluster.Should().BeGreaterThan(0, "max_connections_per_cluster");
				remote.NumNodesConnected.Should().BeGreaterThan(0, "num_nodes_connected");
			}
		}
	}
}