/* Code generated by Azure.Iot.Operations.ProtocolCompilerLib v1.0.0.0; DO NOT EDIT. */

#nullable enable

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Azure.Iot.Operations.Protocol.Models;
using Azure.Iot.Operations.Protocol;
using Azure.Iot.Operations.Protocol.RPC;
using Azure.Iot.Operations.Protocol.Telemetry;
using Azure.Iot.Operations.Services.StateStore.Generated.Common;

namespace Azure.Iot.Operations.Services.StateStore.Generated
{
    [System.CodeDom.Compiler.GeneratedCode("Azure.Iot.Operations.ProtocolCompilerLib", "1.0.0.0")]
    public static partial class StateStore
    {
        public abstract partial class Service : IAsyncDisposable
        {
            private ApplicationContext applicationContext;
            private IMqttPubSubClient mqttClient;
            private readonly InvokeCommandExecutor invokeCommandExecutor;

            /// <summary>
            /// Construct a new instance of this service.
            /// </summary>
            /// <param name="applicationContext">The shared context for your application.</param>
            /// <param name="mqttClient">The MQTT client to use.</param>
            /// <param name="topicTokenMap">
            /// The topic token replacement map to use for all operations by default. Generally, this will include the token values
            /// for topic tokens that should be the same for the duration of this service's lifetime. Note that
            /// additional topic tokens can be specified per event message.
            /// </param>
            public Service(ApplicationContext applicationContext, IMqttPubSubClient mqttClient, Dictionary<string, string>? topicTokenMap = null)
            {
                this.applicationContext = applicationContext;
                this.mqttClient = mqttClient;

                string? clientId = this.mqttClient.ClientId;
                if (string.IsNullOrEmpty(clientId))
                {
                    throw new InvalidOperationException("No MQTT client Id configured. Must connect to MQTT broker before invoking command.");
                }

                this.invokeCommandExecutor = new InvokeCommandExecutor(applicationContext, mqttClient) { OnCommandReceived = InvokeInt };

                if (topicTokenMap != null)
                {
                    foreach (string topicTokenKey in topicTokenMap.Keys)
                    {
                        this.invokeCommandExecutor.TopicTokenMap.TryAdd("ex:" + topicTokenKey, topicTokenMap[topicTokenKey]);
                    }
                }

                this.invokeCommandExecutor.TopicTokenMap.TryAdd("executorId", clientId);
            }

            public InvokeCommandExecutor InvokeCommandExecutor { get => this.invokeCommandExecutor; }

            public abstract Task<ExtendedResponse<byte[]>> InvokeAsync(byte[] request, CommandRequestMetadata requestMetadata, CancellationToken cancellationToken);

            /// <summary>
            /// Begin accepting command invocations for all command executors.
            /// </summary>
            /// <param name="preferredDispatchConcurrency">The dispatch concurrency count for the command response cache to use.</param>
            /// <param name="cancellationToken">Cancellation token.</param>
            public async Task StartAsync(int? preferredDispatchConcurrency = null, CancellationToken cancellationToken = default)
            {
                string? clientId = this.mqttClient.ClientId;
                if (string.IsNullOrEmpty(clientId))
                {
                    throw new InvalidOperationException("No MQTT client Id configured. Must connect to MQTT broker before starting service.");
                }

                await Task.WhenAll(
                    this.invokeCommandExecutor.StartAsync(preferredDispatchConcurrency, cancellationToken)).ConfigureAwait(false);
            }

            public async Task StopAsync(CancellationToken cancellationToken = default)
            {
                await Task.WhenAll(
                    this.invokeCommandExecutor.StopAsync(cancellationToken)).ConfigureAwait(false);
            }

            private async Task<ExtendedResponse<byte[]>> InvokeInt(ExtendedRequest<byte[]> req, CancellationToken cancellationToken)
            {
                ExtendedResponse<byte[]> extended = await this.InvokeAsync(req.Request!, req.RequestMetadata!, cancellationToken);
                return new ExtendedResponse<byte[]> { Response = extended.Response, ResponseMetadata = extended.ResponseMetadata };
            }

            public async ValueTask DisposeAsync()
            {
                await this.invokeCommandExecutor.DisposeAsync().ConfigureAwait(false);
            }

            public async ValueTask DisposeAsync(bool disposing, CancellationToken cancellationToken = default)
            {
                await this.invokeCommandExecutor.DisposeAsync(disposing, cancellationToken).ConfigureAwait(false);
            }
        }

        public abstract partial class Client : IAsyncDisposable
        {
            private ApplicationContext applicationContext;
            private IMqttPubSubClient mqttClient;
            private readonly InvokeCommandInvoker invokeCommandInvoker;

            /// <summary>
            /// Construct a new instance of this client.
            /// </summary>
            /// <param name="applicationContext">The shared context for your application.</param>
            /// <param name="mqttClient">The MQTT client to use.</param>
            /// <param name="topicTokenMap">
            /// The topic token replacement map to use for all operations by default. Generally, this will include the token values
            /// for topic tokens that should be the same for the duration of this client's lifetime.
            /// </param>
            public Client(ApplicationContext applicationContext, IMqttPubSubClient mqttClient, Dictionary<string, string>? topicTokenMap = null)
            {
                this.applicationContext = applicationContext;
                this.mqttClient = mqttClient;

                this.invokeCommandInvoker = new InvokeCommandInvoker(applicationContext, mqttClient);

                if (topicTokenMap != null)
                {
                    foreach (string topicTokenKey in topicTokenMap.Keys)
                    {
                        this.invokeCommandInvoker.TopicTokenMap.TryAdd("ex:" + topicTokenKey, topicTokenMap[topicTokenKey]);
                    }
                }
            }

            public InvokeCommandInvoker InvokeCommandInvoker { get => this.invokeCommandInvoker; }

            /// <summary>
            /// Invoke a command.
            /// </summary>
            /// <param name="request">The data for this command request.</param>
            /// <param name="requestMetadata">The metadata for this command request.</param>
            /// <param name="additionalTopicTokenMap">
            /// The topic token replacement map to use in addition to the topic tokens specified in the constructor. If this map
            /// contains any keys that the topic tokens specified in the constructor also has, then values specified in this map will take precedence.
            /// </param>
            /// <param name="commandTimeout">How long the command will be available on the broker for an executor to receive.</param>
            /// <param name="cancellationToken">Cancellation token.</param>
            /// <returns>The command response.</returns>
            public RpcCallAsync<byte[]> InvokeAsync(byte[] request, CommandRequestMetadata? requestMetadata = null, Dictionary<string, string>? additionalTopicTokenMap = null, TimeSpan? commandTimeout = default, CancellationToken cancellationToken = default)
            {
                string? clientId = this.mqttClient.ClientId;
                if (string.IsNullOrEmpty(clientId))
                {
                    throw new InvalidOperationException("No MQTT client Id configured. Must connect to MQTT broker before invoking command.");
                }

                CommandRequestMetadata metadata = requestMetadata ?? new CommandRequestMetadata();
                additionalTopicTokenMap ??= new();

                Dictionary<string, string> prefixedAdditionalTopicTokenMap = new();
                foreach (string key in additionalTopicTokenMap.Keys)
                {
                    prefixedAdditionalTopicTokenMap["ex:" + key] = additionalTopicTokenMap[key];
                }

                prefixedAdditionalTopicTokenMap["invokerClientId"] = clientId;

                return new RpcCallAsync<byte[]>(this.invokeCommandInvoker.InvokeCommandAsync(request, metadata, prefixedAdditionalTopicTokenMap, commandTimeout, cancellationToken), metadata.CorrelationId);
            }

            /// <summary>
            /// Stop accepting telemetry for all telemetry receivers and make all command invokers unsubscribe from command topics.
            /// </summary>
            /// <param name="cancellationToken">Cancellation token.</param>
            public async Task StopAsync(CancellationToken cancellationToken = default)
            {
                await Task.WhenAll(
                    this.invokeCommandInvoker.StopAsync(cancellationToken)).ConfigureAwait(false);
            }

            public async ValueTask DisposeAsync()
            {
                await this.invokeCommandInvoker.DisposeAsync().ConfigureAwait(false);
            }

            public async ValueTask DisposeAsync(bool disposing, CancellationToken cancellationToken = default)
            {
                await this.invokeCommandInvoker.DisposeAsync(disposing, cancellationToken).ConfigureAwait(false);
            }
        }
    }
}
