/* 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.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using OpenSearch.OpenSearch.Ephemeral.Plugins;
using OpenSearch.OpenSearch.Ephemeral.Tasks;
using OpenSearch.OpenSearch.Managed.Configuration;
using OpenSearch.Stack.ArtifactsApi;
using OpenSearch.Stack.ArtifactsApi.Products;

namespace OpenSearch.OpenSearch.Ephemeral
{
	public class EphemeralClusterConfiguration : ClusterConfiguration<EphemeralFileSystem>
	{
		public EphemeralClusterConfiguration(OpenSearchVersion version, OpenSearchPlugins plugins = null,
			int numberOfNodes = 1)
			: this(version, ClusterFeatures.None, plugins, numberOfNodes)
		{
		}

		public EphemeralClusterConfiguration(OpenSearchVersion version, ClusterFeatures features,
			OpenSearchPlugins plugins = null, int numberOfNodes = 1)
			: base(version, (v, s) => new EphemeralFileSystem(v, s), numberOfNodes, EphemeralClusterName)
		{
			Features = features;

			var pluginsList = plugins?.ToList() ?? new List<OpenSearchPlugin>();
			Plugins = new OpenSearchPlugins(pluginsList);
		}

		private static string UniqueishSuffix => Guid.NewGuid().ToString("N").Substring(0, 6);
		private static string EphemeralClusterName => $"ephemeral-cluster-{UniqueishSuffix}";

		/// <summary>
		///     The features supported by the cluster
		/// </summary>
		public ClusterFeatures Features { get; }

		/// <summary>
		///     The collection of plugins to install
		/// </summary>
		public OpenSearchPlugins Plugins { get; }

		/// <summary>
		///     Validates that the plugins to install can be installed on the target OpenSearch version.
		///     This can be useful to fail early when subsequent operations are relying on installation
		///     succeeding.
		/// </summary>
		public bool ValidatePluginsToInstall { get; } = true;

		public bool EnableSsl => Features.HasFlag(ClusterFeatures.SSL);

		public IList<IClusterComposeTask> AdditionalBeforeNodeStartedTasks { get; } = new List<IClusterComposeTask>();

		public IList<IClusterComposeTask> AdditionalAfterStartedTasks { get; } = new List<IClusterComposeTask>();

		/// <summary>
		///     Expert level setting, skips all built-in validation tasks for cases where you need to guarantee your call is the
		///     first call into the cluster
		/// </summary>
		public bool SkipBuiltInAfterStartTasks { get; set; }

		/// <summary> Bootstrapping HTTP calls should attempt to auto route traffic through fiddler if its running </summary>
		public bool HttpFiddlerAware { get; set; }

		protected virtual string NodePrefix => "ephemeral";

		public override string CreateNodeName(int? node)
		{
			var suffix = Guid.NewGuid().ToString("N").Substring(0, 6);
			return $"{NodePrefix}-node-{suffix}{node}";
		}
	}
}