/* 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.Concurrent;
using System.Collections.Generic;
using OpenSearch.Net;
using OpenSearch.Net.Utf8Json;

namespace OpenSearch.Client
{
	public class Inferrer
	{
		private readonly IConnectionSettingsValues _connectionSettings;

		public Inferrer(IConnectionSettingsValues connectionSettings)
		{
			connectionSettings.ThrowIfNull(nameof(connectionSettings));
			_connectionSettings = connectionSettings;
			IdResolver = new IdResolver(connectionSettings);
			IndexNameResolver = new IndexNameResolver(connectionSettings);
			RelationNameResolver = new RelationNameResolver(connectionSettings);
			FieldResolver = new FieldResolver(connectionSettings);
			RoutingResolver = new RoutingResolver(connectionSettings, IdResolver);

			CreateMultiHitDelegates =
				new ConcurrentDictionary<Type,
					Action<MultiGetResponseFormatter.MultiHitTuple, IJsonFormatterResolver, ICollection<IMultiGetHit<object>>>>();
			CreateSearchResponseDelegates =
				new ConcurrentDictionary<Type,
					Action<MultiSearchResponseFormatter.SearchHitTuple, IJsonFormatterResolver, IDictionary<string, IResponse>>>();
		}

		internal ConcurrentDictionary<Type, Action<MultiGetResponseFormatter.MultiHitTuple, IJsonFormatterResolver, ICollection<IMultiGetHit<object>>>
			>
			CreateMultiHitDelegates { get; }

		internal ConcurrentDictionary<Type,
				Action<MultiSearchResponseFormatter.SearchHitTuple, IJsonFormatterResolver, IDictionary<string, IResponse>>>
			CreateSearchResponseDelegates { get; }

		private FieldResolver FieldResolver { get; }
		private IdResolver IdResolver { get; }
		private IndexNameResolver IndexNameResolver { get; }
		private RelationNameResolver RelationNameResolver { get; }
		private RoutingResolver RoutingResolver { get; }

		public string Resolve(IUrlParameter urlParameter) => urlParameter.GetString(_connectionSettings);

		public string Field(Field field) => FieldResolver.Resolve(field);

		public string PropertyName(PropertyName property) => FieldResolver.Resolve(property);

		public string IndexName<T>() where T : class => IndexNameResolver.Resolve<T>();

		public string IndexName(IndexName index) => IndexNameResolver.Resolve(index);

		public string Id<T>(T instance) where T : class => IdResolver.Resolve(instance);

		public string Id(Type type, object instance) => IdResolver.Resolve(type, instance);

		public string RelationName<T>() where T : class => RelationNameResolver.Resolve<T>();

		public string RelationName(RelationName type) => RelationNameResolver.Resolve(type);

		public string Routing<T>(T document) => RoutingResolver.Resolve(document);

		public string Routing(Type type, object instance) => RoutingResolver.Resolve(type, instance);
	}
}