using System;
using DTS.DASLib.Command.SLICE;
using DTS.Common.ICommunication;
using DTS.Common.Utilities.Logging;
using DTS.Common.Interface.Connection;
using DTS.Common.Enums.DASFactory;
using DTS.Common.Interface.DASFactory;

namespace DTS.DASLib.Service
{
    public partial class Slice<T> : Communication<T>,
                           IDASCommunication,
                           IConfigurationActions,
                           IDiagnosticsActions,
                           ITriggerCheckActions,
                           IRealTimeActions,
                           IArmActions,
                           IDownloadActions where T : IConnection, new()
    {
        #region Trigger check
        void ITriggerCheckActions.PreStartTriggerCheck(ServiceCallback callback, object userData)
        {
            var info = new SliceServiceAsyncInfo(callback, userData);
            LaunchAsyncWorker("Slice.PreStartTriggerCheck", AsyncPreStartTriggerCheck, info);
        }

        /// <summary>
        /// complete any prep work before starting trigger check that needs to be done
        /// </summary>
        protected virtual void AsyncPreStartTriggerCheck(object asyncInfo)
        {
            if (!(asyncInfo is SliceServiceAsyncInfo info)) { return; }
            try
            {
                if (SupportsStartInversion())
                {
                    var ssaPolarity = new SetSystemAttribute(this);
                    ssaPolarity.SetValue(AttributeTypes.SystemAttributes.StartRecordPolarity, (byte)(InvertStart ? 1 : 0), true);
                    ssaPolarity.SyncExecute();
                }
                if (SupportsTriggerInversion())
                {
                    var ssaPolarity = new SetSystemAttribute(this);
                    ssaPolarity.SetValue(AttributeTypes.SystemAttributes.TriggerPolarity, (byte)(InvertTrigger ? 1 : 0), true);
                    ssaPolarity.SyncExecute();
                }
            }
            catch (Exception ex)
            {
                APILogger.Log($"AsyncPreStartTriggerCheck failed, {ex.Message}");
            }
            info.Success();
        }
        void ITriggerCheckActions.PostStartTriggerCheck(ServiceCallback callback, object userData)
        {
            var info = new SliceServiceAsyncInfo(callback, userData);
            info.Success();
        }
        void ITriggerCheckActions.StartTriggerCheck(ServiceCallback callback, object userData)
        {
            var info = new SliceServiceAsyncInfo(callback, userData);
            LaunchAsyncWorker("Slice.StartTriggerCheck", AsyncStartTriggerCheck, info);
        }
        protected virtual void AsyncStartTriggerCheck(object asyncInfo)
        {
            if (!(asyncInfo is SliceServiceAsyncInfo info)) { return; }
            try
            {
                try
                {
                    var ihl = new InitializeHardwareLines(this) { LogCommands = true };
                    try
                    {
                        if (IsCommandSupported(DFConstantsAndEnums.ProtocolLimitedCommands.InitHardwareInputLines))
                        {
                            ihl.SyncExecute();
                        }
                    }
                    catch (Exception ex)
                    {
                        InitializeHardwareLines.Log(ex, ihl);
                    }
                    if (ihl.TriggerInputShorted)
                    {
                        info.Error("TriggerInputShorted");
                        return;
                    }
                    if (ihl.StartRecordShorted)
                    {
                        info.Error("StartInputShorted");
                        return;
                    }

                }
                catch (CanceledException)
                {
                    info.Cancel();
                    return;
                }
                catch (Exception ex)
                {
                    info.Error(ex.Message, ex);
                    return;
                }
                info.Success();
            }
            catch (CanceledException)
            {
                info.Cancel();
            }
            catch (Exception ex)
            {
                info.Error(ex.Message, ex);
            }
        }
        void ITriggerCheckActions.DoStartCheck(ServiceCallback callback, object userData)
        {
            var info = new SliceServiceAsyncInfo(callback, userData);

            LaunchAsyncWorker("Slice.DoStartCheck", AsyncDoStartCheck, info);
        }
        void ITriggerCheckActions.DoTriggerCheck(ServiceCallback callback, object userData)
        {
            SliceServiceAsyncInfo info = null;
            if (null != callback)
            {
                info = new SliceServiceAsyncInfo(callback, userData);
            }

            LaunchAsyncWorker("Slice.DoTriggerCheck", AsyncDoTriggerCheck, info);
        }

        void ITriggerCheckActions.DoTriggerCheckSync()
        {
            var ihl = new InitializeHardwareLines(this) { LogCommands = false };
            try
            {
                if (IsCommandSupported(DFConstantsAndEnums.ProtocolLimitedCommands.InitHardwareInputLines))
                {
                    ihl.SyncExecute();
                }
            }
            catch (Exception ex)
            {
                InitializeHardwareLines.Log(ex, ihl);
            }

            var status = new ArmStatus
            {
                IsTriggered = ihl.TriggerInputShorted,
                IsArmed = !ihl.TriggerInputShorted,
                IsTriggerShorted = ihl.TriggerInputShorted,
                IsStartShorted = ihl.StartRecordShorted
            };
            SetDASArmStatus(status, true);
        }
        private void AsyncDoTriggerCheck(object asyncInfo)
        {
            SliceServiceAsyncInfo info = null;

            if (asyncInfo is SliceServiceAsyncInfo)
            {
                info = (SliceServiceAsyncInfo)asyncInfo;
            }
            try
            {
                ((ITriggerCheckActions)this).DoTriggerCheckSync();
                info?.Success();
            }
            catch (CanceledException)
            {
                info?.Cancel();
            }
            catch (Exception ex)
            {
                info?.Error(ex.Message, ex);
            }
        }
        private void AsyncDoStartCheck(object asyncInfo)
        {
            if (!(asyncInfo is SliceServiceAsyncInfo info)) { return; }
            try
            {
                var ihl = new InitializeHardwareLines(this) { LogCommands = false };
                try
                {
                    if (IsCommandSupported(DFConstantsAndEnums.ProtocolLimitedCommands.InitHardwareInputLines))
                    {
                        ihl.SyncExecute();
                    }
                }
                catch (Exception ex) { InitializeHardwareLines.Log(ex, ihl); }

                var status = new ArmStatus
                {
                    IsArmed = !ihl.TriggerInputShorted,
                    IsRecording = ihl.StartRecordShorted
                };
                SetDASArmStatus(status, true);
                info.Success();
            }
            catch (CanceledException)
            {
                info.Cancel();
            }
            catch (Exception ex)
            {
                info.Error(ex.Message, ex);
            }
        }
        void ITriggerCheckActions.CancelTriggerCheck(ServiceCallback callback, object userData)
        {
            var info = new SliceServiceAsyncInfo(callback, userData);

            LaunchAsyncWorker("Slice.CancelTriggerCheck", AsyncCancelTriggerCheck, info);
        }

        private void AsyncCancelTriggerCheck(object asyncInfo)
        {
            if (!(asyncInfo is SliceServiceAsyncInfo info)) { return; }
            try
            {
                info.Success();
            }
            catch (CanceledException)
            {
                info.Cancel();
            }
            catch (Exception ex)
            {
                info.Error(ex.Message, ex);
            }
        }

        #endregion
    }
}