using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Web.UI.WebControls;
using System.Windows.Forms;
using Common;
using log4net;
using TBF.Rig.Generic;
using TBF.Rig.RegisterReaders.iPerlReaderUNI.common;
using TBF.Rig.Uni.SharedDialogs.SmartMetersCommunication.common;

namespace TBF.Rig.RegisterReaders.GenesisRegReader.implementations
{
    public class GenesisImplHeadTestCtrl : IUniHeadTestCtrl<OptoReceivedEventArgs>
    {
        private static readonly ILog log = LogManager.GetLogger(typeof(GenesisSmartReader));
        private static readonly ILog logStream = LogManager.GetLogger("StreamData");

        Thread optoThread;
        //GenesisSmartReader _genesiHead;

        public GenesisSmartReader Head
        {
            get { return ISmartReader as GenesisSmartReader; }
        }

        public ISmartReader ISmartReader { get; set; }

        public bool stopWorkerThread { get; set; }

        public event EventHandler<OptoReceivedEventArgs> OptoReceivedHandler;

        public IComponentCfg config { get; set; }

        public void Initialize()
        {
            stopWorkerThread = false;
        }

        public void Destroy()
        {
            if(Head != null && Head.OptoHeadTest != null)
            {
                Head.OptoHeadTest.CloseConnection();
            }

            stopWorkerThread = true;
            if (optoThread != null)
            {
                optoThread.Abort();
            }
        }

        private const string StrReadPcbCmd = "ReadPCB";
        private const string StrSetTestModeCmd = "SetTestMode";
        private const string StrSetActiveModeCmd = "SetActiveMode";
        private const string StrReadOptoDataCmd = "ReadOptoData";
        private const string StrStopReadOptoDataCmd = "StopReadOptoData";
        private const string StrResetNfcHeadCmd = "ResetNfcHead";
        private const string StrSetNfcHeadCmd = "SetNfcHead";
        private const string StrSetRfidHeadCmd = "SetRfidHead";
        private const string StrEmptyCmd = "";

        public enum Operations
        {
            [Description(StrReadPcbCmd)] ReadPcbCmd,
            [Description(StrSetTestModeCmd)] SetTestModeCmd,
            [Description(StrSetActiveModeCmd)] SetActiveModeCmd,
            [Description(StrReadOptoDataCmd)] ReadOptoDataCmd,
            [Description(StrStopReadOptoDataCmd)] StopReadOptoDataCmd,
            [Description(StrResetNfcHeadCmd)] ResetNfcHeadCmd,
            [Description(StrSetNfcHeadCmd)] SetNfcHeadCmd,
            [Description(StrSetRfidHeadCmd)] SetRfidHeadCmd,
            [Description(StrEmptyCmd)] EmptyCmd
        }


        private static readonly Dictionary<string, Operations> ItemsForIperlOperations =
            new Dictionary<string, Operations>
            {
                { "Read PCB", Operations.ReadPcbCmd },
                { "Set Test Mode", Operations.SetTestModeCmd },
                { "Set Active Mode", Operations.SetActiveModeCmd },
#if TRUE
                { "Start Read Opto Data", Operations.ReadOptoDataCmd },
                { "Stop Read Opto Data", Operations.StopReadOptoDataCmd },
#endif
                { " ", Operations.EmptyCmd },
                { "Reset NFC Head", Operations.ResetNfcHeadCmd },
                { "Set NFC Head Interface", Operations.SetNfcHeadCmd },
                { "Set RFID Head interface", Operations.SetRfidHeadCmd }
            };

        public (string Name, string Value)[] GetComboOperationsPairs()
        {
            //return ItemsForIperlOperations.Select(kvp => (kvp.Key, kvp.Value)).ToArray();
            return ItemsForIperlOperations.Select(kvp => (kvp.Key, kvp.Value.ToDescription())).ToArray();
        }

        public void CommandTestButtonClick(object sender, MouseEventArgs e, Arguments a)
        {
            a.RfidOutputListBox.Items.Clear();

            log.Debug($"CommandTestButtonClick called: {a?.RfidCommandComboBox?.SelectedValue}");

            using (Tools.LogChecker logChecker = new Tools.LogChecker("RfidData", log4net.Core.Level.Debug))
            {
                ListItem rfidListItem = new ListItem();
                rfidListItem.Attributes.Add("style", "font-weight:bold");
                Operations selectedOperation;
                if (!ItemsForIperlOperations.TryGetValue((string)a.RfidCommandComboBox.SelectedValue,
                        out selectedOperation))
                    selectedOperation = Operations.EmptyCmd;
                bool isTestModeSuccessful = false;
                switch (selectedOperation)
                {
                    case Operations.ReadPcbCmd:
                        rfidListItem.Text = $"PCB: {Head.OptoHeadTest.ReadRequest_PCB()}";
                        break;
                    case Operations.SetTestModeCmd:
                        rfidListItem.Text = Head.OptoHeadTest.SetTestMode(ref isTestModeSuccessful);
                        a.OptoListBox.Items.Clear();
                        stopWorkerThread = false;
                        optoThread = new Thread(OptoWorker);
                        if (!optoThread.IsAlive)
                        {
                            a.ISmartReader.StartDataStreamProcessing(); // open opto port
                            optoThread.Start();
                        }

                        break;
                    case Operations.SetActiveModeCmd:
                        rfidListItem.Text = Head.OptoHeadTest.SetActiveMode(ref isTestModeSuccessful);
                        stopWorkerThread = true;
                        a.ISmartReader.StopDataStreamProcessing(); // close opto port
                        break;
                    case Operations.ResetNfcHeadCmd:
                        a.ISmartReader.ResetNfcInterface();
                        break;
                    case Operations.SetNfcHeadCmd:
                        a.ISmartReader.SetNfcInterface();
                        break;
                    case Operations.SetRfidHeadCmd:
                        a.ISmartReader.SetRfidInterface();
                        break;
                    case Operations.ReadOptoDataCmd:
                        a.OptoListBox.Items.Clear();
                        stopWorkerThread = false;
                        optoThread = new Thread(OptoWorker);
                        if (optoThread.IsAlive)
                        {
                            stopWorkerThread = true;
                            a.ISmartReader.StopDataStreamProcessing(); // close opto port
                            //Head.OptoHeadTest.StopDataStreamProcessing(); // close opto port
                        }

                        if (!optoThread.IsAlive)
                        {
                            a.ISmartReader.StartDataStreamProcessing(); // open opto port
                            //Head.OptoHeadTest.StartDataStreamProcessing(); // open opto port
                            optoThread.Start();
                        }

                        break;
                    case Operations.StopReadOptoDataCmd:
                        stopWorkerThread = true;
                        a.ISmartReader.StopDataStreamProcessing(); // close opto port
                        break;
                }
               
                a.RfidOutputListBox.Items.Add(rfidListItem);
                a.RfidOutputListBox.Items.AddRange(logChecker.Messages.ToArray());
            }
        }
        
        private void OptoWorker()
        {
            while (!this.stopWorkerThread)
            {
                Thread.Sleep(250);
                if (this.stopWorkerThread)
                    break;

                try
                {
                    string buffer = ISmartReader.ReadOptoData();
                    if (string.IsNullOrEmpty(buffer))
                    {
                        this.OnOptoReceived((object)this, new OptoReceivedEventArgs("."));
                    }
                    else
                        OnOptoReceived((object)this, new OptoReceivedEventArgs(buffer));
                }
                catch (Exception ex)
                {
                    this.OnOptoReceived((object)this, new OptoReceivedEventArgs(ex.Message));
                }
            }
        }

        public void OnOptoReceived(object sender, OptoReceivedEventArgs args)
        {
            if (this.OptoReceivedHandler == null)
                return;
            try
            {
                this.OptoReceivedHandler(sender, args);
            }
            catch (Exception ex)
            {
            }
        }
    }
}