/* 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
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*  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
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*  You may obtain a copy of the License at
*
* 	http://www.apache.org/licenses/LICENSE-2.0
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using System;
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.ClusterHealth
{
	public class ClusterHealthApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, ClusterHealthResponse, IClusterHealthRequest, ClusterHealthDescriptor, ClusterHealthRequest>
	{
		public ClusterHealthApiTests(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 => "/_cluster/health";

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

		protected override void ExpectResponse(ClusterHealthResponse response)
		{
			response.ClusterName.Should().NotBeNullOrWhiteSpace();
			response.Status.Should().NotBe(Health.Red);
			response.TimedOut.Should().BeFalse();
			response.NumberOfNodes.Should().BeGreaterOrEqualTo(1);
			response.NumberOfDataNodes.Should().BeGreaterOrEqualTo(1);
			response.ActivePrimaryShards.Should().BeGreaterOrEqualTo(1);
			response.ActiveShards.Should().BeGreaterOrEqualTo(1);
		}
	}

	public class ClusterHealthShardsApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, ClusterHealthResponse, IClusterHealthRequest, ClusterHealthDescriptor, ClusterHealthRequest>
	{
		public ClusterHealthShardsApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override bool ExpectIsValid => true;
		protected override int ExpectStatusCode => 200;

		protected override Func<ClusterHealthDescriptor, IClusterHealthRequest> Fluent => c => c.Level(Level.Shards);
		protected override HttpMethod HttpMethod => HttpMethod.GET;
		protected override ClusterHealthRequest Initializer => new ClusterHealthRequest { Level = Level.Shards };
		protected override string UrlPath => "/_cluster/health?level=shards";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Cluster.Health(null, f),
			(client, f) => client.Cluster.HealthAsync(null, f),
			(client, r) => client.Cluster.Health(r),
			(client, r) => client.Cluster.HealthAsync(r)
		);

		protected override void ExpectResponse(ClusterHealthResponse response)
		{
			response.ClusterName.Should().NotBeNullOrWhiteSpace();
			response.Status.Should().NotBe(Health.Red);
			response.TimedOut.Should().BeFalse();
			response.NumberOfNodes.Should().BeGreaterOrEqualTo(1);
			response.NumberOfDataNodes.Should().BeGreaterOrEqualTo(1);
			response.ActivePrimaryShards.Should().BeGreaterOrEqualTo(1);
			response.ActiveShards.Should().BeGreaterOrEqualTo(1);
			response.ActiveShardsPercentAsNumber.Should().BePositive();
			response.DelayedUnassignedShards.Should().Be(0);
			response.NumberOfInFlightFetch.Should().BeGreaterOrEqualTo(0);
			response.TaskMaxWaitTimeInQueueInMilliseconds.Should().BeGreaterOrEqualTo(0);

			response.Indices.Should()
				.NotBeEmpty()
				.And.ContainKey(Index<Developer>());

			var indexHealth = response.Indices[Index<Developer>()];
			indexHealth.ActivePrimaryShards.Should().BeGreaterThan(0);
			indexHealth.ActiveShards.Should().BeGreaterThan(0);
			indexHealth.Shards["0"].Status.Should().Be(Health.Green);
		}
	}
}