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using Google.Protobuf;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tango.Transport.Servers;
using Tango.Logging;
using Tango.PMR;
using Tango.PMR.Common;
using Tango.PMR.Stubs;
using Tango.Core.Commands;
using Tango.Transport;
using Tango.PMR.Integration;
using Tango.PMR.Diagnostics;
using System.Windows.Forms;
using Google.Protobuf.Collections;

namespace Tango.Emulations.Emulators
{
    /// <summary>
    /// Represents a Tango machine emulator.
    /// </summary>
    /// <seealso cref="Tango.Emulations.EmulatorBase" />
    public class MachineEmulator : EmulatorBase
    {
        private PushDiagnosticsRequest _diagnosticsRequest;

        #region Constructors

        /// <summary>
        /// Initializes a new instance of the <see cref="MachineEmulator"/> class.
        /// </summary>
        public MachineEmulator() : base()
        {

        }

        /// <summary>
        /// Initializes a new instance of the <see cref="MachineEmulator"/> class.
        /// </summary>
        /// <param name="transporter">The transporter.</param>
        public MachineEmulator(ITransporter transporter) : base(transporter)
        {

        }

        #endregion

        #region Override Methods

        /// <summary>
        /// Called on new request message.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="container">The container.</param>
        protected override void OnTransporterRequestReceived(object sender, MessageContainer container)
        {
            switch (container.Type)
            {
                case MessageType.CalculateRequest:
                    Task.Factory.StartNew(() =>
                    {
                        var request = MessageFactory.ExtractMessageFromContainer<CalculateRequest>(container);
                        var response = MessageFactory.CreateTangoMessage<CalculateResponse>(container.Token);
                        response.Message.Sum = request.A + request.B;
                        Transporter.SendResponse(response);
                    });
                    break;
                case MessageType.ProgressRequest:

                    var r = MessageFactory.ExtractMessageFromContainer<ProgressRequest>(container);

                    Task.Factory.StartNew(() =>
                    {
                        for (int i = 0; i < r.Amount; i++)
                        {
                            Thread.Sleep(r.Delay * 10);
                            var res = MessageFactory.CreateTangoMessage<ProgressResponse>(container.Token);
                            res.Message.Progress = i;

                            if (i == r.Amount - 1) res.Container.Completed = true;

                            Transporter.SendResponse(res);
                        }
                    });
                    break;
                case MessageType.DirectSynchronizationRequest:

                    Task.Factory.StartNew(() =>
                    {
                        var request = MessageFactory.ExtractMessageFromContainer<DirectSynchronizationRequest>(container);
                        var response = MessageFactory.CreateTangoMessage<DirectSynchronizationResponse>(container.Token);
                        response.Message.LocalDB = ByteString.CopyFrom(new byte[1024 * 1024 * 10]);
                        Transporter.SendResponse(response);
                    });
                    break;
                case MessageType.PushDiagnosticsRequest:

                    _diagnosticsRequest = MessageFactory.ExtractMessageFromContainer<PushDiagnosticsRequest>(container);

                    int value = 0;
                    Random rnd = new Random();

                    Task.Factory.StartNew(() =>
                    {
                        while (Transporter.State == TransportComponentState.Connected)
                        {
                            PushDiagnosticsResponse res = new PushDiagnosticsResponse();

                            if (_diagnosticsRequest.PushSensors)
                            {
                                for (int i = 0; i < 10; i++)
                                {
                                    value++;
                                    res.Dancer1Angle.Add((int)(150 + 75 * Math.Sin(2 * 3.14 * 10 * value)));
                                }

                                res.Dancer2Angle.Add(Cursor.Position.Y);
                                res.Dancer3Angle.Add(Cursor.Position.Y);
                            }

                            if (_diagnosticsRequest.PushMotors)
                            {
                                var dispenserFrequencies = new RepeatedField<DoubleArray>();

                                double cPosition = Cursor.Position.Y;

                                for (int i = 0; i < 8; i++)
                                {
                                    DoubleArray singleDispenser = new DoubleArray();

                                    for (int j = 0; j < 10; j++)
                                    {
                                        singleDispenser.Data.Add(cPosition + (i * 50)); 
                                    }

                                    dispenserFrequencies.Add(singleDispenser);
                                }

                                res.DispensersMotorsFrequency.AddRange(dispenserFrequencies);
                            }

                            Transporter.SendResponse<PushDiagnosticsResponse>(res, container.Token);
                            Thread.Sleep(10);
                        }
                    });

                    break;
            }
        }

        #endregion
    }
}