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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using System.Windows.Data;
using System.Windows.Media;
using Tango.Core.Commands;
using Tango.BL.Entities;
using Tango.Integration.Operation;
using Tango.Integration.ExternalBridge;
using Tango.Logging;
using Tango.MachineStudio.Common.Authentication;
using Tango.MachineStudio.Common.Controls;
using Tango.MachineStudio.Common.Diagnostics;
using Tango.MachineStudio.Common.Notifications;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.MachineStudio.Common.Video;
using Tango.MachineStudio.Developer.Navigation;
using Tango.MachineStudio.Developer.Views;
using Tango.Settings;
using Tango.SharedUI;
using Tango.Transport;
using Tango.BL;
using Microsoft.Win32;
using Tango.PMR.Embroidery;
using Tango.EmbroideryUI;
using System.IO;
using System.Windows;
using Tango.Core.Helpers;
using System.Speech.Synthesis;
using System.Media;
using Tango.MachineStudio.Common.EventLogging;
using Tango.MachineStudio.Common.Speech;
using System.Threading;
using Tango.SharedUI.Helpers;
using Tango.Core.DI;
using Tango.MachineStudio.Common;
using Tango.MachineStudio.Logging.ViewModels;
using Tango.MachineStudio.Logging.Views;
using Tango.AutoComplete.Editors;
using System.Data.Entity;
using System.Runtime.ExceptionServices;
using Tango.BL.Builders;
using Tango.MachineStudio.Common.Navigation;
using System.Diagnostics;
using Tango.Core.ExtensionMethods;
using Tango.ColorConversion;
using Tango.PMR.Exports;
using Microsoft.WindowsAPICodePack.Dialogs;
using Tango.BL.Enumerations;
using Tango.BL.DTO;
using Tango.BL.ActionLogs;

namespace Tango.MachineStudio.Developer.ViewModels
{
    /// <summary>
    /// Represents the developer module main view, view model.
    /// </summary>
    /// <seealso cref="Tango.SharedUI.ViewModel" />
    [TangoCreateWhenRegistered]
    public class MainViewVM : StudioViewModel
    {
        private static object _syncLock = new object();
        private const string EMB_FORMATS_EXPORT = "Baby Lock (PES)|*.pes|Tajima (DST)|*.dst|EXP|*.exp|PCS|*.pcs|HUS|*.hus|KSM|*.ksm";
        private const string EMB_FORMATS_IMPORT = "Embroidery Files|*.pes;*.hus;*.dst";

        private INotificationProvider _notification;
        private TimeSpan _runningJobEstimatedDuration;
        private DeveloperNavigationManager _navigation;
        private INavigationManager _msNavigation;
        private bool _blockInvalidateCommands;
        private ObservablesContext _machineDbContext;
        private ObservablesContext _activeJobDbContext;
        private IEventLogger _eventLogger;
        private ISpeechProvider _speech;
        private DataCapture.ViewModels.MainViewVM _dataCaptureVM;
        private bool _isRecording;
        private DeveloperModuleSettings _settings;
        private Thread _colorConversionThread;
        private bool _hiveOpened;
        private bool _color_changed_from_hive;
        private bool _dialog_shown;
        private bool _disable_gamut_check;
        private bool _rml_has_no_cct;
        private TaskItem _preparingTaskItem;
        private IColorConverter _converter;
        private string _current_job_string;
        private JobDTO _beforeSaveJobDTO;
        private IActionLogManager _actionLogManager;
        private RmlDTO _selectedRMLBeforeLiquidFactorsSaves;

        #region Properties

        private List<ColorConversionSuggestion> _hiveSuggestions;
        /// <summary>
        /// Gets or sets the hive suggestions.
        /// </summary>
        public List<ColorConversionSuggestion> HiveSuggestions
        {
            get { return _hiveSuggestions; }
            set { _hiveSuggestions = value; RaisePropertyChangedAuto(); }
        }

        private ColorConversionSuggestion _selectedSuggestion;
        /// <summary>
        /// Gets or sets the selected suggestion.
        /// </summary>
        public ColorConversionSuggestion SelectedSuggestion
        {
            get { return _selectedSuggestion; }
            set { _selectedSuggestion = value; RaisePropertyChangedAuto(); OnSelectedSuggestionChanged(); }
        }

        private RunningJobStatus _runningJobStatus;
        /// <summary>
        /// Gets or sets the running job status.
        /// </summary>
        public RunningJobStatus RunningJobStatus
        {
            get { return _runningJobStatus; }
            set { _runningJobStatus = value; RaisePropertyChangedAuto(); }
        }

        private JobHandler _jobHandler;
        /// <summary>
        /// Gets or sets the current running job handler.
        /// </summary>
        public JobHandler JobHandler
        {
            get
            {
                return _jobHandler;
            }
            set
            {
                _jobHandler = value; RaisePropertyChangedAuto();
            }
        }

        private ObservableCollection<ColorSpace> _colorSpaces;
        /// <summary>
        /// Gets or sets the color spaces.
        /// </summary>
        public ObservableCollection<ColorSpace> ColorSpaces
        {
            get { return _colorSpaces; }
            set { _colorSpaces = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<Rml> _rmls;
        /// <summary>
        /// Gets or sets the RMLS.
        /// </summary>
        public ObservableCollection<Rml> Rmls
        {
            get { return _rmls; }
            set { _rmls = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<WindingMethod> _windingMethods;
        /// <summary>
        /// Gets or sets the winding methods.
        /// </summary>
        public ObservableCollection<WindingMethod> WindingMethods
        {
            get { return _windingMethods; }
            set { _windingMethods = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<SpoolType> _spoolTypes;
        /// <summary>
        /// Gets or sets the spool types.
        /// </summary>
        public ObservableCollection<SpoolType> SpoolTypes
        {
            get { return _spoolTypes; }
            set { _spoolTypes = value; RaisePropertyChangedAuto(); }
        }

        /// <summary>
        /// Gets or sets the application manager.
        /// </summary>
        public IStudioApplicationManager ApplicationManager { get; set; }

        /// <summary>
        /// Gets or sets the video capture provider.
        /// </summary>
        public IVideoCaptureProvider VideoCaptureProvider { get; set; }

        protected Machine _selectedMachine;
        /// <summary>
        /// Gets or sets the selected machine.
        /// </summary>
        public Machine SelectedMachine
        {
            get { return _selectedMachine; }
            set
            {
                if (value != null && _selectedMachine != value)
                {
                    _selectedMachine = value;
                    OnSelectedMachineChanged();
                    RaisePropertyChangedAuto();
                    InvalidateRelayCommands();

                    if (_selectedMachine != null)
                    {
                        _selectedMachine.Modified -= SelectedMachine_Modified;
                        _selectedMachine.Modified += SelectedMachine_Modified;
                    }
                }
            }
        }

        private bool _canWork;
        /// <summary>
        /// Gets or sets a value indicating whether this instance is loading machine.
        /// </summary>
        public bool CanWork
        {
            get { return _canWork; }
            set { _canWork = value; RaisePropertyChangedAuto(); }
        }

        private List<LiquidTypesRml> _liquidTypesRmls;
        /// <summary>
        /// Gets or sets the liquid types RMLS.
        /// </summary>
        public List<LiquidTypesRml> LiquidTypesRmls
        {
            get { return _liquidTypesRmls; }
            set { _liquidTypesRmls = value; RaisePropertyChangedAuto(); }
        }

        private ProcessParametersTablesGroup _rmlProcessParametersTablesGroup;
        /// <summary>
        /// Gets or sets the RML process parameters table group (cloned).
        /// </summary>
        public ProcessParametersTablesGroup RmlProcessParametersTableGroup
        {
            get { return _rmlProcessParametersTablesGroup; }
            set
            { _rmlProcessParametersTablesGroup = value; RaisePropertyChangedAuto(); OnProcessParametersTableGroupChanged(); }
        }

        private ObservableCollection<ProcessParametersTablesGroup> _groupsHistory;
        /// <summary>
        /// Gets or sets the RML process parameters groups history.
        /// </summary>
        public ObservableCollection<ProcessParametersTablesGroup> GroupsHistory
        {
            get { return _groupsHistory; }
            set { _groupsHistory = value; RaisePropertyChangedAuto(); }
        }

        private ProcessParametersTablesGroup _selectedGroupHistory;
        /// <summary>
        /// Gets or sets the selected process parameters tables group history.
        /// </summary>
        public ProcessParametersTablesGroup SelectedGroupHistory
        {
            get { return _selectedGroupHistory; }
            set { _selectedGroupHistory = value; RaisePropertyChangedAuto(); OnSelectedGroupHistoryChanged(); }
        }

        private ProcessParametersTable _selectedProcessParametersTable;
        /// <summary>
        /// Gets or sets the selected process parameters table.
        /// </summary>
        public ProcessParametersTable SelectedProcessParametersTable
        {
            get { return _selectedProcessParametersTable; }
            set { _selectedProcessParametersTable = value; RaisePropertyChangedAuto(); OnSelectedParametersTableChanged(); }
        }

        private Job _activeJob;
        /// <summary>
        /// Gets or sets the selected machine job.
        /// </summary>
        public Job ActiveJob
        {
            get { return _activeJob; }
            set
            {
                _activeJob = value;
                RaisePropertyChangedAuto();
            }
        }

        private Job _selectedMachineJob;
        /// <summary>
        /// Gets or sets the selected machine job.
        /// </summary>
        public Job SelectedMachineJob
        {
            get { return _selectedMachineJob; }
            set { _selectedMachineJob = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<Job> _selectedJobs;
        /// <summary>
        /// Gets or sets the selected jobs.
        /// </summary>
        public ObservableCollection<Job> SelectedJobs
        {
            get { return _selectedJobs; }
            set { _selectedJobs = value; RaisePropertyChangedAuto(); }
        }

        private Segment _selectedSegment;
        /// <summary>
        /// Gets or sets the job selected segment.
        /// </summary>
        public Segment SelectedSegment
        {
            get { return _selectedSegment; }
            set { _selectedSegment = value; RaisePropertyChangedAuto(); OnSelectedSegmentChanged(); }
        }

        private ObservableCollection<Segment> _selectedSegments;
        /// <summary>
        /// Gets or sets the selected segments.
        /// </summary>
        public ObservableCollection<Segment> SelectedSegments
        {
            get { return _selectedSegments; }
            set { _selectedSegments = value; RaisePropertyChangedAuto(); }
        }

        private BrushStop _selectedBrushStop;
        /// <summary>
        /// Gets or sets the selected segment selected brush stop.
        /// </summary>
        public BrushStop SelectedBrushStop
        {
            get { return _selectedBrushStop; }
            set { _selectedBrushStop = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<BrushStop> _selectedBrushStops;
        /// <summary>
        /// Gets or sets the selected brush stops.
        /// </summary>
        public ObservableCollection<BrushStop> SelectedBrushStops
        {
            get { return _selectedBrushStops; }
            set { _selectedBrushStops = value; RaisePropertyChangedAuto(); }
        }

        private Rml _selectedRML;
        /// <summary>
        /// Gets or sets the selected RML.
        /// </summary>
        public Rml SelectedRML
        {
            get { return _selectedRML; }
            set
            {
                _selectedRML = value;
                OnSelectedRMLChanged();
                RaisePropertyChangedAuto();
                InvalidateRelayCommands();
            }
        }

        private bool _isSideBarOpened;
        /// <summary>
        /// Gets or sets a value indicating whether the configuration panels are opened.
        /// </summary>
        public bool IsSideBarOpened
        {
            get { return _isSideBarOpened; }
            set { _isSideBarOpened = value; RaisePropertyChangedAuto(); }
        }

        private TimeSpan _estimatedDuration;
        /// <summary>
        /// Gets or sets the estimated duration for the selected job.
        /// </summary>
        public TimeSpan EstimatedDuration
        {
            get { return _estimatedDuration; }
            set { _estimatedDuration = value; RaisePropertyChangedAuto(); }
        }

        private bool _isJobRunning;
        /// <summary>
        /// Gets or sets a value indicating whether a job is currently running.
        /// </summary>
        public bool IsJobRunning
        {
            get { return _isJobRunning; }
            set { _isJobRunning = value; RaisePropertyChangedAuto(); }
        }

        private Job _runningJob;
        /// <summary>
        /// Gets or sets the currently running job.
        /// </summary>
        public Job RunningJob
        {
            get { return _runningJob; }
            set { _runningJob = value; RaisePropertyChangedAuto(); }
        }

        private bool _isJobCompleted;
        /// <summary>
        /// Gets or sets a value indicating whether the running job has completed successfully.
        /// </summary>
        public bool IsJobCompleted
        {
            get { return _isJobCompleted; }
            set { _isJobCompleted = value; RaisePropertyChangedAuto(); }
        }

        private bool _isJobFailed;
        /// <summary>
        /// Gets or sets a value indicating whether the running job has failed.
        /// </summary>
        public bool IsJobFailed
        {
            get { return _isJobFailed; }
            set { _isJobFailed = value; RaisePropertyChangedAuto(); }
        }

        private bool _showJobStatus;
        /// <summary>
        /// Gets or sets a value indicating whether to show all the relevant job status areas.
        /// </summary>
        public bool ShowJobStatus
        {
            get { return _showJobStatus; }
            set { _showJobStatus = value; RaisePropertyChangedAuto(); }
        }

        private bool _isJobCanceled;
        /// <summary>
        /// Gets or sets a value indicating whether the last running job was canceled.
        /// </summary>
        public bool IsJobCanceled
        {
            get { return _isJobCanceled; }
            set { _isJobCanceled = value; RaisePropertyChangedAuto(); }
        }

        private IMachineOperator _machineOperator;
        /// <summary>
        /// Gets or sets the machine operator.
        /// </summary>
        public IMachineOperator MachineOperator
        {
            get { return _machineOperator; }
            set { _machineOperator = value; RaisePropertyChangedAuto(); }
        }

        private List<Segment> _runningJobSegments;
        /// <summary>
        /// Gets or sets the running job segments.
        /// </summary>
        public List<Segment> RunningJobSegments
        {
            get { return _runningJobSegments; }
            set { _runningJobSegments = value; RaisePropertyChangedAuto(); }
        }

        private ICollectionView _jobsCollectionView;
        /// <summary>
        /// Gets or sets the jobs collection view.
        /// </summary>
        public ICollectionView JobsCollectionView
        {
            get { return _jobsCollectionView; }
            set
            {
                _jobsCollectionView = value;
                BindingOperations.EnableCollectionSynchronization(_jobsCollectionView, _syncLock);

                RaisePropertyChangedAuto();
            }
        }

        private ICollectionView _segmentsCollectionView;
        /// <summary>
        /// Gets or sets the segments collection view.
        /// </summary>
        public ICollectionView SegmentsCollectionView
        {
            get { return _segmentsCollectionView; }
            set
            {
                _segmentsCollectionView = value;
                RaisePropertyChangedAuto();
            }
        }

        private ICollectionView _brushStopsCollectionView;
        /// <summary>
        /// Gets or sets the brush stops collection view.
        /// </summary>
        public ICollectionView BrushStopsCollectionView
        {
            get { return _brushStopsCollectionView; }
            set
            {
                _brushStopsCollectionView = value;
                BindingOperations.EnableCollectionSynchronization(_brushStopsCollectionView, _syncLock);
                RaisePropertyChangedAuto();
            }
        }

        private String _jobFilter;
        /// <summary>
        /// Gets or sets the job filter.
        /// </summary>
        public String JobFilter
        {
            get { return _jobFilter; }
            set { _jobFilter = value; RaisePropertyChangedAuto(); OnJobFilterChanged(); }
        }

        private ObservableCollection<MachinesEvent> _jobEvents;
        /// <summary>
        /// Gets or sets the running job events.
        /// </summary>
        public ObservableCollection<MachinesEvent> JobEvents
        {
            get { return _jobEvents; }
            set { _jobEvents = value; RaisePropertyChangedAuto(); }
        }

        private MachinesEvent _selectedJobEvent;
        /// <summary>
        /// Gets or sets the selected job event.
        /// </summary>
        public MachinesEvent SelectedJobEvent
        {
            get { return _selectedJobEvent; }
            set { _selectedJobEvent = value; RaisePropertyChangedAuto(); OnSelectedJobEventChanged(); }
        }

        /// <summary>
        /// Gets or sets the machines providers.
        /// </summary>
        public ISuggestionProvider MachinesProvider { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the job details view is visible.
        /// </summary>
        public bool IsJobVisible { get; set; }

        private bool _enableColorConversion;
        /// <summary>
        /// Gets or sets a value indicating whether to enable color conversion processes.
        /// </summary>
        public bool EnableColorConversion
        {
            get { return _enableColorConversion; }
            set { _enableColorConversion = value; RaisePropertyChangedAuto(); }
        }

        /// <summary>
        /// Gets or sets the authentication provider.
        /// </summary>
        public IAuthenticationProvider AuthenticationProvider { get; set; }

        /// <summary>
        /// Gets or sets the module settings.
        /// </summary>
        public DeveloperModuleSettings Settings
        {
            get { return _settings; }
            set { _settings = value; RaisePropertyChangedAuto(); }
        }

        private bool _autoProcessSelection;
        /// <summary>
        /// Gets or sets a value indicating whether [automatic process selection].
        /// </summary>
        public bool AutoProcessSelection
        {
            get { return _autoProcessSelection; }
            set
            {
                _autoProcessSelection = value;
                RaisePropertyChangedAuto();
                Settings.AutoProcessSelection = _autoProcessSelection;
            }
        }

        #endregion

        #region Commands

        /// <summary>
        /// Gets or sets the edit machine command.
        /// </summary>
        public RelayCommand EditMachineCommand { get; set; }

        /// <summary>
        /// Gets or sets the edit RML command.
        /// </summary>
        public RelayCommand EditRMLCommand { get; set; }

        /// <summary>
        /// Gets or sets the toggle side bar command.
        /// </summary>
        public RelayCommand ToggleSideBarCommand { get; set; }

        /// <summary>
        /// Gets or sets the save process parameters command.
        /// </summary>
        public RelayCommand SaveProcessParametersCommand { get; set; }

        /// <summary>
        /// Gets or sets the save liquid factors command.
        /// </summary>
        public RelayCommand SaveLiquidFactorsCommand { get; set; }

        /// <summary>
        /// Gets or sets the add segment command.
        /// </summary>
        public RelayCommand AddSegmentCommand { get; set; }

        /// <summary>
        /// Gets or sets the remove segment command.
        /// </summary>
        public RelayCommand RemoveSegmentCommand { get; set; }

        /// <summary>
        /// Gets or sets the add job command.
        /// </summary>
        public RelayCommand AddJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the remove job command.
        /// </summary>
        public RelayCommand RemoveJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the add brush stop command.
        /// </summary>
        public RelayCommand AddBrushStopCommand { get; set; }

        /// <summary>
        /// Gets or sets the remove brush stop command.
        /// </summary>
        public RelayCommand RemoveBrushStopCommand { get; set; }

        /// <summary>
        /// Gets or sets the save job command.
        /// </summary>
        public RelayCommand SaveJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the discard job command.
        /// </summary>
        public RelayCommand DiscardJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the start job command.
        /// </summary>
        public RelayCommand StartJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the start job and record command.
        /// </summary>
        public RelayCommand StartJobAndRecordCommand { get; set; }

        /// <summary>
        /// Gets or sets the stop job command.
        /// </summary>
        public RelayCommand StopJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the close job completion status command.
        /// </summary>
        public RelayCommand CloseJobCompletionStatusCommand { get; set; }

        /// <summary>
        /// Gets or sets the load job command.
        /// </summary>
        public RelayCommand LoadJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the duplicate job command.
        /// </summary>
        public RelayCommand DuplicateJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the duplicate segment command.
        /// </summary>
        public RelayCommand DuplicateSegmentCommand { get; set; }

        /// <summary>
        /// Gets or sets the duplicate brush stop command.
        /// </summary>
        public RelayCommand DuplicateBrushStopCommand { get; set; }

        /// <summary>
        /// Gets or sets the push process parameters command.
        /// </summary>
        public RelayCommand PushProcessParametersCommand { get; set; }

        /// <summary>
        /// Gets or sets the import embroidery file command.
        /// </summary>
        public RelayCommand ImportEmbroideryFileCommand { get; set; }

        /// <summary>
        /// Gets or sets the display job embroidery file command.
        /// </summary>
        public RelayCommand<Job> DisplayJobEmbroideryFileCommand { get; set; }

        /// <summary>
        /// Gets or sets the reload machines command.
        /// </summary>
        public RelayCommand ReloadMachinesCommand { get; set; }

        /// <summary>
        /// Gets or sets the back to job command.
        /// </summary>
        public RelayCommand BackToJobCommand { get; set; }

        /// <summary>
        /// Gets or sets to running job command.
        /// </summary>
        public RelayCommand ToRunningJobCommand { get; set; }

        /// <summary>
        /// Gets or sets the reset process parameters command.
        /// </summary>
        public RelayCommand ResetProcessParametersCommand { get; set; }

        /// <summary>
        /// Gets or sets the import job file command.
        /// </summary>
        public RelayCommand ImportJobFileCommand { get; set; }

        /// <summary>
        /// Gets or sets the export job file command.
        /// </summary>
        public RelayCommand ExportJobFileCommand { get; set; }

        #endregion

        #region Constructors

        /// <summary>
        /// Initializes a new instance of the <see cref="MainViewVM"/> class.
        /// </summary>
        /// <param name="applicationManager">The application manager.</param>
        /// <param name="notificationProvider">The notification provider.</param>
        public MainViewVM(IStudioApplicationManager applicationManager, INotificationProvider notificationProvider, IDiagnosticsFrameProvider diagnosticsFrameProvider, IVideoCaptureProvider videoCaptureProvider, DeveloperNavigationManager navigation, INavigationManager navigationManager, IAuthenticationProvider authentication, IEventLogger eventLogger, ISpeechProvider speech, IActionLogManager actionLogManager)
        {
            _converter = new DefaultColorConverter();

            CanWork = true;
            EnableColorConversion = true;

            AuthenticationProvider = authentication;

            _actionLogManager = actionLogManager;
            _notification = notificationProvider;
            _speech = speech;
            _navigation = navigation;
            _msNavigation = navigationManager;
            ApplicationManager = applicationManager;
            VideoCaptureProvider = videoCaptureProvider;
            _eventLogger = eventLogger;

            LogManager.Log("Initializing relay commands...");

            TangoIOC.Default.GetInstanceWhenAvailable<DataCapture.ViewModels.MainViewVM>((vm) =>
            {
                _dataCaptureVM = vm;
                _dataCaptureVM.RelayCommandsInvalidated += (_, __) => StartJobAndRecordCommand.RaiseCanExecuteChanged();
            });

            //Initialize Commands...
            EditMachineCommand = new RelayCommand(EditMachine, () => SelectedMachine != null && CanWork);
            EditRMLCommand = new RelayCommand(EditRML, () => SelectedRML != null && CanWork);
            ToggleSideBarCommand = new RelayCommand(() => IsSideBarOpened = !IsSideBarOpened);
            SaveLiquidFactorsCommand = new RelayCommand(SaveLiquidFactors, () => SelectedRML != null && CanWork);
            AddSegmentCommand = new RelayCommand(AddSegment, () => ActiveJob != null && CanWork);
            RemoveSegmentCommand = new RelayCommand(RemoveSelectedSegments, () => SelectedSegment != null && CanWork);
            AddJobCommand = new RelayCommand(AddJob, () => SelectedMachine != null && CanWork);
            RemoveJobCommand = new RelayCommand(RemoveSelectedJobs, () => SelectedMachineJob != null && CanWork);
            AddBrushStopCommand = new RelayCommand(AddBrushStop, () => SelectedSegment != null && CanWork);
            RemoveBrushStopCommand = new RelayCommand(RemoveSelectedBrushStops, () => SelectedBrushStop != null && CanWork);
            SaveJobCommand = new RelayCommand(SaveActiveJob, () => SelectedMachine != null && CanWork);
            DiscardJobCommand = new RelayCommand(BackToJobs, () => SelectedMachine != null && CanWork);
            StartJobCommand = new RelayCommand(() => StartJob(), () => ActiveJob != null && CanWork && !IsJobRunning && MachineOperator != null);
            StartJobAndRecordCommand = new RelayCommand(StartJobAndRecord, () => _dataCaptureVM != null && !_dataCaptureVM.Recorder.IsRecording && !_dataCaptureVM.Player.IsPlaying && ActiveJob != null && !IsJobRunning && MachineOperator != null && CanWork);
            StopJobCommand = new RelayCommand(StopJob, () => IsJobRunning && CanWork);
            CloseJobCompletionStatusCommand = new RelayCommand(CloseJobCompletionStatusBar);
            LoadJobCommand = new RelayCommand(() => LoadSelectedJob(), () => SelectedMachineJob != null && CanWork);
            DuplicateJobCommand = new RelayCommand(DuplicateSelectedJobs, () => SelectedMachineJob != null && CanWork);
            DuplicateSegmentCommand = new RelayCommand(DuplicateSelectedSegments, () => SelectedSegment != null && CanWork);
            DuplicateBrushStopCommand = new RelayCommand(DuplicateSelectedBrushStops, () => SelectedBrushStop != null && CanWork);
            SaveProcessParametersCommand = new RelayCommand(SaveProcessParameters, () => SelectedRML != null && CanWork && SelectedRML.ProcessParametersTablesGroups.Count > 0);
            PushProcessParametersCommand = new RelayCommand(PushProcessParameters, () => SelectedRML != null && CanWork && SelectedRML.ProcessParametersTablesGroups.Count > 0 && SelectedProcessParametersTable != null && MachineOperator != null);
            ImportEmbroideryFileCommand = new RelayCommand(ImportEmbroideryFile, () => SelectedMachine != null && CanWork);
            DisplayJobEmbroideryFileCommand = new RelayCommand<Job>(DisplayJobEmbroideryFile, () => CanWork);
            ReloadMachinesCommand = new RelayCommand(() => LoadMachine(), () => CanWork && SelectedMachine != null);
            ResetProcessParametersCommand = new RelayCommand(ResetProcessParameters, () => CanWork && MachineOperator != null);
            ImportJobFileCommand = new RelayCommand(ImportJobFile, () => SelectedMachine != null && CanWork);
            ExportJobFileCommand = new RelayCommand(ExportJobFile, () => SelectedMachine != null && SelectedMachineJob != null && CanWork);

            ApplicationManager.ConnectedMachineChanged += ApplicationManager_ConnectedMachineChanged;

            _eventLogger.NewLog += _eventLogger_NewLog;


            MachinesProvider = new SuggestionProvider((filter) =>
            {
                try
                {
                    return _machineDbContext.Machines.Where(x => x.SerialNumber.StartsWith(filter)).ToList();
                }
                catch
                {
                    return null;
                }
            });

            BackToJobCommand = new RelayCommand(BackToJob);
            ToRunningJobCommand = new RelayCommand(ToRunningJob);
        }

        #endregion

        #region Application Ready

        public override void OnApplicationReady()
        {
            Settings = SettingsManager.Default.GetOrCreate<DeveloperModuleSettings>();

            AutoProcessSelection = Settings.AutoProcessSelection;

            SelectedJobs = new ObservableCollection<Job>();
            JobEvents = new ObservableCollection<MachinesEvent>();

            LogManager.Log("Initializing machine Db context...");
            _machineDbContext = ObservablesContext.CreateDefault();

            if (_settings.LastSelectedMachineGuid != null)
            {
                LogManager.Log("Setting last selected machine from settings...");
                SelectedMachine = _machineDbContext.Machines.SingleOrDefault(x => x.Guid == _settings.LastSelectedMachineGuid);
            }

            if (_settings.LastSelectedJobGuid != null && SelectedMachine != null)
            {
                LogManager.Log("Setting last selected job from settings...");
                SelectedMachineJob = SelectedMachine.Jobs.SingleOrDefault(x => x.Guid == _settings.LastSelectedJobGuid);
            }

            _colorConversionThread = new Thread(ColorConversionThreadMethod);
            _colorConversionThread.IsBackground = true;
            _colorConversionThread.Start();
        }

        #endregion

        #region Color Conversion

        [HandleProcessCorruptedStateExceptions]
        private void ColorConversionThreadMethod()
        {
            while (true)
            {
                if (!_rml_has_no_cct && EnableColorConversion && !_disable_gamut_check && IsJobVisible && IsVisible && ActiveJob != null && ActiveJob.Segments != null && SelectedProcessParametersTable != null)
                {
                    try
                    {
                        var stops = ActiveJob.Segments.SelectMany(x => x.BrushStops).Where(x => !x.Corrected && !x.OutOfGamutChecked).ToList();

                        foreach (var stop in stops)
                        {
                            if (stop.ColorSpace.Code == BL.Enumerations.ColorSpaces.Volume.ToInt32())
                            {
                                try
                                {
                                    var output = _converter.Convert(stop, false);

                                    stop.Red = output.SingleCoordinates.Red;
                                    stop.Green = output.SingleCoordinates.Green;
                                    stop.Blue = output.SingleCoordinates.Blue;
                                    stop.Corrected = true;
                                    stop.IsOutOfGamut = false;
                                }
                                catch { }
                            }
                            else if (stop.ColorSpace.Code == BL.Enumerations.ColorSpaces.RGB.ToInt32() || stop.ColorSpace.Code == BL.Enumerations.ColorSpaces.LAB.ToInt32())
                            {
                                try
                                {
                                    var output = _converter.Convert(stop, false);
                                    output.ApplyOnBrushStopLiquidVolumes(stop, SelectedProcessParametersTable);
                                    stop.OutOfGamutChecked = true;
                                }
                                catch { }
                            }
                        }
                    }
                    catch { }
                }

                if (AutoProcessSelection && IsJobVisible && IsVisible && ActiveJob != null && ActiveJob.Segments != null && !_rml_has_no_cct && !_disable_gamut_check)
                {
                    try
                    {
                        var recommendedProcess = _converter.GetRecommendedProcessParameters(ActiveJob, RmlProcessParametersTableGroup);

                        if (recommendedProcess != null && recommendedProcess != SelectedProcessParametersTable)
                        {
                            SelectedProcessParametersTable = recommendedProcess;
                        }
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Error resolving recommended process parameters.");
                    }
                }

                Thread.Sleep(500);
            }
        }

        public void OnHivePopupOpened()
        {
            if (SelectedBrushStop != null)
            {
                _hiveOpened = true;
                try
                {
                    HiveSuggestions = _converter.Convert(SelectedBrushStop, true).CreateHiveSuggestions();
                }
                catch (Exception ex)
                {
                    _hiveOpened = false;
                    LogManager.Log(ex);
                    _notification.ShowError($"Error occurred while trying to convert the source color.\n{ex.Message}");
                }
            }
        }

        private void OnSelectedSuggestionChanged()
        {
            if (SelectedSuggestion != null && SelectedBrushStop != null && _hiveOpened)
            {
                _color_changed_from_hive = true;
                SelectedBrushStop.Color = SelectedSuggestion.Color;
                SelectedBrushStop.Corrected = true;
                SelectedBrushStop.IsOutOfGamut = false;

                var coords = SelectedSuggestion.Coordinates;

                foreach (var liquid in coords.OutputLiquids)
                {
                    var liquidVolume = SelectedBrushStop.LiquidVolumes.SingleOrDefault(x => x.IdsPack.LiquidType.Code == liquid.LiquidType.ToInt32());

                    if (liquidVolume != null)
                    {
                        liquidVolume.Volume = liquid.Volume;
                    }
                }

                _color_changed_from_hive = false;
            }
        }

        public void OnSelectedBrushColorChanged(Color color)
        {
            if (!_color_changed_from_hive && _hiveOpened)
            {
                SelectedBrushStop.Corrected = false;
                HiveSuggestions = _converter.Convert(SelectedBrushStop, true).CreateHiveSuggestions();
            }
        }

        public void OnHivePopupClosed()
        {
            _hiveOpened = false;
        }

        /// <summary>
        /// Called when the brush stop field value has been changed (This called from the view!).
        /// </summary>
        /// <param name="brushStop">The brush stop.</param>
        public void OnBrushStopFieldValueChanged(BrushStop brushStop)
        {
            brushStop.Corrected = false;
            brushStop.OutOfGamutChecked = false;
        }

        #endregion

        #region Event Handlers

        private void _eventLogger_NewLog(object sender, MachinesEvent e)
        {
            if (IsJobRunning)
            {
                InvokeUI(() =>
                {
                    JobEvents.Insert(0, e);
                });
            }
        }

        /// <summary>
        /// Handles the application manager connected machine changes event.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="machine">The machine.</param>
        private void ApplicationManager_ConnectedMachineChanged(object sender, IExternalBridgeClient machine)
        {
            MachineOperator = machine;

            if (MachineOperator != null)
            {
                MachineOperator.MachineEventsStateProvider.EventsChanged -= MachineEventsStateProvider_EventsChanged;
                MachineOperator.MachineEventsStateProvider.EventsChanged += MachineEventsStateProvider_EventsChanged;

                MachineOperator.MachineEventsStateProvider.NewEvents -= MachineEventsStateProvider_NewEvents;
                MachineOperator.MachineEventsStateProvider.NewEvents += MachineEventsStateProvider_NewEvents;

                MachineOperator.ResumingJob -= MachineOperator_ResumingJob;
                MachineOperator.ResumingJob += MachineOperator_ResumingJob;

                MachineOperator.PreparingJobProgress -= MachineOperator_PreparingJobProgress;
                MachineOperator.PreparingJobProgress += MachineOperator_PreparingJobProgress;
            }
        }

        private void MachineOperator_PreparingJobProgress(object sender, PreparingJobProgressEventArgs e)
        {
            var percent = (e.Progress / e.Total * 100d);

            if (_preparingTaskItem != null)
            {
                _preparingTaskItem.Message = $"Preparing job for printing {(e.Progress / e.Total * 100d).ToString("0.0")}%...";
            }

            if (_preparingTaskItem == null && percent == 0)
            {
                _preparingTaskItem = _notification.PushTaskItem("Preparing job for printing...");
            }
            else if (percent == 100 && _preparingTaskItem != null)
            {
                _preparingTaskItem.Pop();
                _preparingTaskItem = null;
            }
        }

        private void MachineOperator_ResumingJob(object sender, ResumingJobEventArgs e)
        {
            if (_notification.ShowQuestion("Machine studio has detected a job in progress. Would you like to try and continue from there you were?"))
            {
                var job = _machineDbContext.Jobs.SingleOrDefault(x => x.Guid == e.JobGuid);

                if (job != null)
                {
                    _msNavigation.NavigateToModule<DeveloperModule>();
                    SelectedMachine = _machineDbContext.Machines.SingleOrDefault(x => x.Guid == job.MachineGuid);
                    SelectedMachineJob = SelectedMachine.Jobs.SingleOrDefault(x => x.Guid == job.Guid);
                    LoadSelectedJob(() =>
                    {
                        StartJob(e.Approve);
                    });
                }
                else
                {
                    LogManager.Log($"Could not resume job. The running job with guid '{e.JobGuid}' was not found.");
                    _notification.ShowError("Could not resume job. The running job was not found.");
                }
            }
        }

        private void MachineEventsStateProvider_NewEvents(object sender, IEnumerable<MachinesEvent> events)
        {
            HandleNewHardwareEvents(events);
        }

        private void MachineEventsStateProvider_EventsChanged(object sender, IEnumerable<MachinesEvent> changedEvents)
        {
            InvokeUI(StartJobCommand.RaiseCanExecuteChanged);
            InvokeUI(StartJobAndRecordCommand.RaiseCanExecuteChanged);
        }

        /// <summary>
        /// Handles the Saved event of the SelectedMachine.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void SelectedMachine_Modified(object sender, ObservableModifiedEventArgs e)
        {
            if (e.IsOtherContext)
            {
                InvokeUI(() =>
                {
                    SelectedMachine.Reload(_machineDbContext);
                    InvalidateLiquidFactorsAndProcessTables();

                    if (SelectedSegment != null)
                    {
                        OnSelectedSegmentChanged();
                    }
                });
            }
        }

        /// <summary>
        /// Handles the LengthChanged event of the SelectedJob.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void ActiveJob_LengthChanged(object sender, EventArgs e)
        {
            UpdateEstimatedDuration();
        }

        /// <summary>
        /// Handles the DyeingSpeedMinInkUptakeChanged event of the SelectedProcessParametersTable.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void SelectedProcessParametersTable_DyeingSpeedMinInkUptakeChanged(object sender, EventArgs e)
        {
            if (SelectedSegment != null)
            {
                foreach (var liquidVolume in SelectedSegment.BrushStops.SelectMany(x => x.LiquidVolumes))
                {
                    liquidVolume.Invalidate();
                }
            }

            UpdateEstimatedDuration();
        }

        #endregion

        #region Hardware Events

        private void HandleNewHardwareEvents(IEnumerable<MachinesEvent> events)
        {
            if (IsJobRunning)
            {
                _speech.SpeakError(events.Last().EventType.Name);

                //if (events.ToList().Exists(x => x.Actions.Contains(BL.Enumerations.EventTypeActions.StopJob)))
                //{
                //    if (JobHandler != null)
                //    {
                //        InvokeUI(StopJob);
                //    }
                //}
            }
        }

        #endregion

        #region Properties Changes

        /// <summary>
        /// Called when the selected parameters table has changed.
        /// </summary>
        protected virtual void OnSelectedParametersTableChanged()
        {
            if (SelectedProcessParametersTable != null)
            {
                LogManager.Log("Selected process parameters table changed.");
                SelectedProcessParametersTable.DyeingSpeedMinInkUptakeChanged -= SelectedProcessParametersTable_DyeingSpeedMinInkUptakeChanged;
                SelectedProcessParametersTable.DyeingSpeedMinInkUptakeChanged += SelectedProcessParametersTable_DyeingSpeedMinInkUptakeChanged;

                foreach (var segment in ActiveJob.Segments)
                {
                    SetSegmentBrushStopsLiquidVolumes(segment);
                }

                UpdateEstimatedDuration();
            }
        }

        /// <summary>
        /// Called when the process parameters table group has been changed
        /// </summary>
        protected virtual void OnProcessParametersTableGroupChanged()
        {
            if (RmlProcessParametersTableGroup != null && RmlProcessParametersTableGroup.ProcessParametersTables.Count > 0)
            {
                LogManager.Log("Process parameters group changed...");

                InvokeUI(() =>
                {
                    SelectedProcessParametersTable = RmlProcessParametersTableGroup.ProcessParametersTables.OrderBy(x => x.TableIndex).FirstOrDefault();
                    UpdateEstimatedDuration();
                });
            }
        }

        /// <summary>
        /// Called when the selected segment has been changed
        /// </summary>
        protected virtual void OnSelectedSegmentChanged()
        {
            if (SelectedSegment != null)
            {
                LogManager.Log("Selected segment changed...");
                SetSegmentBrushStopsLiquidVolumes(SelectedSegment);
                SelectedBrushStop = SelectedSegment.BrushStops.FirstOrDefault();

                BrushStopsCollectionView = CollectionViewSource.GetDefaultView(SelectedSegment.BrushStops);
                BrushStopsCollectionView.SortDescriptions.Add(new SortDescription(nameof(BrushStop.StopIndex), ListSortDirection.Ascending));
            }
        }

        /// <summary>
        /// Called when the selected group history has been changed
        /// </summary>
        protected virtual void OnSelectedGroupHistoryChanged()
        {
            if (SelectedGroupHistory != null)
            {
                LogManager.Log(String.Format("Parameters group {0} selected from history.", SelectedGroupHistory.Name));
                RmlProcessParametersTableGroup = SelectedGroupHistory.Clone();
            }
        }

        /// <summary>
        /// Called when the machine has been changed
        /// </summary>
        protected virtual void OnSelectedMachineChanged()
        {
            if (SelectedMachine != null)
            {
                LogManager.Log(String.Format("Machine {0} changed.", SelectedMachine.SerialNumber));
                LoadMachine();
            }
        }

        /// <summary>
        /// Called when the job filtering has changed.
        /// </summary>
        protected virtual void OnJobFilterChanged()
        {
            String filter = JobFilter.ToLower();

            JobsCollectionView.Filter = (job) =>
            {
                Job j = job as Job;
                return String.IsNullOrWhiteSpace(filter)
                ||
                j.Name.ToLower().Contains(filter) //Job name
                ||
                j.User.Contact.FirstName.ToLower().Contains(filter) // User first name
                ||
                j.Length.ToString().Contains(filter); //Job length
            };
        }

        #endregion

        #region Drag & Drop

        /// <summary>
        /// Switch the segment position in the job.
        /// </summary>
        /// <param name="dragged">The dragged.</param>
        /// <param name="dropped">The dropped.</param>
        public void OnDropSegment(Segment dragged, Segment dropped)
        {
            LogManager.Log(String.Format("Segment {0} Dropped on segment {1}", dragged.SegmentIndex, dropped.SegmentIndex));

            dragged.SegmentIndex = dropped.SegmentIndex;
            dropped.SegmentIndex++;

            int index = 1;

            foreach (var segment in ActiveJob.Segments.OrderBy(x => x.SegmentIndex))
            {
                segment.SegmentIndex = index++;
            }

            SegmentsCollectionView.Refresh();
        }

        /// <summary>
        /// Switch the brush stop position in the segment.
        /// </summary>
        /// <param name="dragged">The dragged stop.</param>
        /// <param name="dropped">The dropped stop.</param>
        public void OnDropBrushStop(BrushStop dragged, BrushStop dropped)
        {
            LogManager.Log(String.Format("BrushStop {0} Dropped on BrushStop {1}", dragged.StopIndex, dropped.StopIndex));

            dragged.SetStopIndexNoRaise(dropped.StopIndex);
            dropped.SetStopIndexNoRaise(dropped.StopIndex + 1);
            ArrangeBrushStopsIndices();
        }

        #endregion

        #region Running Job Management

        private void OnSelectedJobEventChanged()
        {
            if (SelectedJobEvent != null && SelectedJobEvent.Type != BL.Enumerations.EventTypes.APPLICATION_STARTED && !_dialog_shown)
            {
                _dialog_shown = true;
                _notification.ShowModalDialog<EventDetailsViewVM, EventDetailsView>(new EventDetailsViewVM(SelectedJobEvent), (x) =>
                {

                }, () =>
                {
                    _dialog_shown = false;
                });
            }
        }

        /// <summary>
        /// Closes the job completion status bar.
        /// </summary>
        private void CloseJobCompletionStatusBar()
        {
            LogManager.Log("Closing job completion status bar...");
            _navigation.NavigateTo(DeveloperNavigationView.JobView);
            IsJobCompleted = false;
            IsJobFailed = false;
            IsJobCanceled = false;
            ShowJobStatus = false;
            RunningJob = null;
        }

        /// <summary>
        /// Stops the job.
        /// </summary>
        private void StopJob()
        {
            LogManager.Log("Stopping job...");
            IsJobRunning = false;
            IsJobCanceled = true;
            JobHandler.Cancel();
        }

        /// <summary>
        /// Fails the job.
        /// </summary>
        private void SetJobFailed()
        {
            if (IsJobRunning)
            {
                LogManager.Log("Setting job failed state...");
                IsJobRunning = false;
                IsJobFailed = true;

                _speech.SpeakError("Job Failed!");
            }
        }

        /// <summary>
        /// Completes the job.
        /// </summary>
        private void SetJobCompleted()
        {
            LogManager.Log("Setting job completed state...");
            IsJobRunning = false;
            IsJobCompleted = true;
            _speech.SpeakInfo("Job Completed!");
        }

        /// <summary>
        /// Starts the job.
        /// </summary>
        private async void StartJob(Func<JobHandler> resumeFunc = null)
        {
            SettingsManager.Default.Save();

            LogManager.Log(String.Format("Starting job {0}...", ActiveJob.Name));
            if (MachineOperator == null || MachineOperator.State != TransportComponentState.Connected)
            {
                _notification.ShowError("No machine connected. Could not execute the specified job.");
                return;
            }

            if (SelectedProcessParametersTable == null)
            {
                _notification.ShowError("No process parameters table selected. Could not execute the specified job.");
                return;
            }

            foreach (var stop in ActiveJob.Segments.SelectMany(x => x.BrushStops).Where(x => x.LiquidVolumes == null))
            {
                stop.SetLiquidVolumes(SelectedMachine.Configuration, SelectedRML, SelectedProcessParametersTable);
            }

            if (AutoProcessSelection)
            {
                LogManager.Log("Auto process parameters selection enabled. Trying to resolve the recommended process parameters...");
                try
                {
                    var recommendedProcess = _converter.GetRecommendedProcessParameters(ActiveJob, RmlProcessParametersTableGroup);

                    if (recommendedProcess != null && recommendedProcess != SelectedProcessParametersTable)
                    {
                        SelectedProcessParametersTable = recommendedProcess;
                    }
                }
                catch (Exception ex)
                {
                    LogManager.Log(ex, "Error resolving recommended process parameters.");
                    _notification.ShowError("An error occurred while trying to resolve the recommended process parameters.Please try to disable the auto selection.");
                    return;
                }
            }

            JobEvents.Clear();
            IsJobFailed = false;
            IsJobCanceled = false;
            IsJobCompleted = false;
            RunningJob = ActiveJob;
            _runningJobEstimatedDuration = EstimatedDuration;

            RunningJobSegments = RunningJob.EffectiveSegments.ToList();

            try
            {
                IsFree = false;
                LogManager.Log("Sending job to machine operator...");

                MachineOperator.GradientGenerationConfiguration.IsEnabled = Settings.EnableGradientGeneration;
                MachineOperator.GradientGenerationConfiguration.ResolutionCM = Settings.GradientResolutionCM;

                if (resumeFunc == null)
                {
                    JobHandler = await MachineOperator.Print(ActiveJob, SelectedProcessParametersTable);
                }
                else
                {
                    JobHandler = resumeFunc();
                }

                _navigation.NavigateTo(DeveloperNavigationView.RunningJobView);
                IsJobRunning = true;
                ShowJobStatus = true;

                JobHandler.StatusChanged += (x, status) =>
                {
                    if (IsJobRunning)
                    {
                        RunningJobStatus = status;

                        if (status.Message != null)
                        {
                            // TODO: Write to db when shlomo is not sending test messages anymore.
                            _eventLogger.Log(BL.Enumerations.EventTypes.JOB_STATUS, status.Message, false);
                        }
                    }
                };

                JobHandler.SegmentStarted += (x, segment) =>
                {
                    if (!segment.IsInterSegment)
                    {
                        _speech.SpeakInfo(String.Format("Segment {0} Started.", segment.SegmentIndex));
                    }
                    else
                    {
                        _speech.SpeakInfo(String.Format("Inter Segment Started."));
                    }
                };

                JobHandler.UnitCompleted += (x, unit) =>
                {
                    _speech.SpeakInfo(String.Format("{0} Units Completed.", unit + 1));
                };

                JobHandler.Failed += (x, ex) =>
                {
                    LogManager.Log(ex, String.Format("Job {0} has failed.", RunningJob.Name));
                    SetJobFailed();

                    InvokeUI(() =>
                    {
                        _notification.ShowError("Job failed. " + ex.FlattenMessage());
                        StopRecordingIfInProgress();
                    });
                };

                JobHandler.Finalizing += (_, __) =>
                {
                    _speech.SpeakInfo("Finalizing job...");
                    LogManager.Log(String.Format("Finalizing job {0}.", RunningJob.Name));
                };

                JobHandler.Completed += (x, e) =>
                {
                    LogManager.Log(String.Format("Job {0} has completed.", RunningJob.Name));
                    SetJobCompleted();
                    StopRecordingIfInProgress();
                };

                JobHandler.Canceled += (x, y) =>
                {
                    if (_preparingTaskItem != null)
                    {
                        _preparingTaskItem.Pop();
                        _preparingTaskItem = null;
                    }

                    LogManager.Log(String.Format("Job {0} has been canceled.", RunningJob.Name));
                    StopRecordingIfInProgress();
                    //Finally Canceled..
                };
            }
            catch (InsufficientLiquidQuantityException ex)
            {
                _notification.ShowModalDialog<InsufficientLiquidQuantityViewVM, InsufficientLiquidQuantityView>(new InsufficientLiquidQuantityViewVM(ex), (x) =>
                {

                    MachineOperator.EnableJobLiquidQuantityValidation = false;
                    StartJob();

                }, () => { });
            }
            catch (Exception ex)
            {
                LogManager.Log(ex);
                _notification.ShowError("An error occurred while starting the job. " + Environment.NewLine + ex.Message);
                SetJobFailed();
                StopRecordingIfInProgress();
            }
            finally
            {
                IsFree = true;
            }
        }

        /// <summary>
        /// Starts the job and record using the data capture module.
        /// </summary>
        private void StartJobAndRecord()
        {
            _isRecording = true;
            _dataCaptureVM.StartDiagnosticsRecording();
            StartJob();
        }

        /// <summary>
        /// Stops the recording if in progress.
        /// </summary>
        private void StopRecordingIfInProgress()
        {
            if (_isRecording)
            {
                _isRecording = false;
                InvokeUI(() => _dataCaptureVM.StopRecorderOrPlayer());
            }
        }

        private void BackToJob()
        {
            _navigation.NavigateTo(DeveloperNavigationView.JobView);
        }

        private void ToRunningJob()
        {
            _navigation.NavigateTo(DeveloperNavigationView.RunningJobView);
        }

        #endregion

        #region RML

        /// <summary>
        /// Saves the liquid factors.
        /// </summary>
        private async void SaveLiquidFactors()
        {
            if (SelectedRML != null)
            {
                CanWork = false;

                using (_notification.PushTaskItem("Saving Liquid Factors..."))
                {
                    LogManager.Log(String.Format("Saving liquid factors for RML {0}...", SelectedRML.Name));
                    await SelectedRML.SaveAsync(_activeJobDbContext);
                    var rmlAfterChange = RmlDTO.FromObservable(SelectedRML);
                    _actionLogManager.InsertLog(ActionLogType.RmlSaved, AuthenticationProvider.CurrentUser, SelectedRML.Name, _selectedRMLBeforeLiquidFactorsSaves, rmlAfterChange, "RML liquid factors changed from Machine Studio Research module.");
                    _selectedRMLBeforeLiquidFactorsSaves = rmlAfterChange;
                    LiquidTypesRmls = ActiveJob.Machine.Configuration.GetSupportedIdsPacks(SelectedRML).Select(x => x.LiquidType).SelectMany(x => x.LiquidTypesRmls).Where(x => x.Rml.Guid == SelectedRML.Guid).ToList();


                    foreach (var segment in ActiveJob.Segments)
                    {
                        SetSegmentBrushStopsLiquidVolumes(segment);
                    }
                }

                CanWork = true;
            }
        }

        /// <summary>
        /// Navigates to the DB Module in order to edit the selected RML.
        /// </summary>
        private void EditRML()
        {
            LogManager.Log(String.Format("Requesting DB module for RML {0} editing...", SelectedRML.Name));
        }

        /// <summary>
        /// Invalidates the liquid factors and process parameters tables.
        /// </summary>
        private void InvalidateLiquidFactorsAndProcessTables()
        {
            if (SelectedRML != null && SelectedMachine != null)
            {
                LogManager.Log("Invalidating liquid factors, process parameters and process group history...");

                _selectedRML = new RmlBuilder(_activeJobDbContext).Set(SelectedRML.Guid).WithAllParametersGroup().WithCAT(SelectedMachine.Guid).WithCCT().WithLiquidFactors().WithSpools().Build();

                _selectedRMLBeforeLiquidFactorsSaves = RmlDTO.FromObservable(_selectedRML);

                if (_selectedRML.Cct == null)
                {
                    InvokeUI(() =>
                    {
                        _rml_has_no_cct = true;
                        _notification.ShowWarning(LogManager.Log($"No color conversion table defined for the selected RML '{_selectedRML.Name}'. Color conversion is disabled.", LogCategory.Warning));
                    });
                }
                else
                {
                    _rml_has_no_cct = false;
                }

                LiquidTypesRmls = ActiveJob.Machine.Configuration.GetSupportedIdsPacks(SelectedRML).Select(x => x.LiquidType).SelectMany(x => x.LiquidTypesRmls).Where(x => x.Rml.Guid == SelectedRML.Guid).ToList();

                RmlProcessParametersTableGroup = SelectedRML.ProcessParametersTablesGroups.ToList().SingleOrDefault(x => x.Active);

                var selectedHistory = RmlProcessParametersTableGroup;

                if (RmlProcessParametersTableGroup != null)
                {
                    RmlProcessParametersTableGroup = RmlProcessParametersTableGroup.Clone();
                    RmlProcessParametersTableGroup.ProcessParametersTables = RmlProcessParametersTableGroup.ProcessParametersTables.OrderBy(x => x.TableIndex).ToSynchronizedObservableCollection();
                }


                GroupsHistory = SelectedRML.ProcessParametersTablesGroups.OrderByDescending(x => x.SaveDate).OrderBy(x => !x.Active).ToObservableCollection();
                _selectedGroupHistory = selectedHistory;

                InvokeUI(() =>
                {
                    RaisePropertyChanged(nameof(SelectedGroupHistory));
                    RaisePropertyChanged(nameof(RmlProcessParametersTableGroup));
                });

                ActiveJob.Rml = SelectedRML;
            }
        }

        private async void OnSelectedRMLChanged()
        {
            if (SelectedRML != null && SelectedMachine != null)
            {
                using (_notification.PushTaskItem("Loading RML..."))
                {
                    await Task.Factory.StartNew(() =>
                    {
                        try
                        {
                            IsFree = false;
                            InvalidateLiquidFactorsAndProcessTables();
                        }
                        catch
                        {}
                        finally
                        {
                            IsFree = true;
                        }
                    });
                }
            }
        }

        #endregion

        #region Color Space

        public void OnBrushStopColorSpaceChanged(BrushStop stop)
        {
            if (stop != null && stop.ColorSpace != null && stop.BrushColorSpace != BL.Enumerations.ColorSpaces.Volume)
            {
                var lubricant = stop.LiquidVolumes.SingleOrDefault(x => x.LiquidType == LiquidTypes.Lubricant);

                if (lubricant != null)
                {
                    lubricant.Volume = 100;
                }
            }
        }

        #endregion

        #region Process Parameters Management

        /// <summary>
        /// Uploads the selected process parameters table.
        /// </summary>
        private async void PushProcessParameters()
        {
            using (_notification.PushTaskItem("Uploading Process Parameters..."))
            {
                try
                {
                    LogManager.Log($"Uploading process parameters table {SelectedProcessParametersTable.Name}...");
                    await MachineOperator.UploadProcessParameters(SelectedProcessParametersTable);
                }
                catch (Exception ex)
                {
                    LogManager.Log(ex, $"Failed to upload process parameters table {SelectedProcessParametersTable.Name}");
                    _notification.ShowError("Failed to upload the selected process parameters." + Environment.NewLine + ex.Message);
                }
            }
        }

        /// <summary>
        /// Saves the process parameters group.
        /// </summary>
        private async void SaveProcessParameters()
        {
            var response = _notification.ShowTextInput("Enter Group Name", "Group Name");

            if (response == null) return;

            CanWork = false;

            using (_notification.PushTaskItem("Saving Parameters Group..."))
            {
                var processGroupBefore = ProcessParametersTablesGroupDTO.FromObservable(SelectedRML.GetActiveProcessGroup());

                using (var db = ObservablesContext.CreateDefault())
                {
                    var active_groups = db.ProcessParametersTablesGroups.Where(x => x.RmlGuid == SelectedRML.Guid && x.Active).ToList();

                    foreach (var g in active_groups)
                    {
                        g.Active = false;
                    }

                    await db.SaveChangesAsync();
                }

                LogManager.Log(String.Format("Saving process parameters group under the name {0}...", response));
                ProcessParametersTablesGroup group = new ProcessParametersTablesGroup();

                List<ProcessParametersTable> tables = new List<ProcessParametersTable>();

                int index = 0;

                foreach (var table in RmlProcessParametersTableGroup.ProcessParametersTables)
                {
                    var newTable = table.Clone();
                    newTable.TableIndex = index++;
                    newTable.ProcessParametersTablesGroup = group;
                    tables.Add(newTable);
                }

                group.Active = true;
                group.ProcessParametersTables = tables.ToSynchronizedObservableCollection();
                group.Rml = SelectedRML;
                group.Name = response;
                group.SaveDate = DateTime.UtcNow;

                foreach (var g in SelectedRML.ProcessParametersTablesGroups)
                {
                    g.Active = false;
                }

                SelectedRML.ProcessParametersTablesGroups.Add(group);
                await SelectedRML.SaveAsync(_activeJobDbContext);

                _actionLogManager.InsertLog(ActionLogType.RmlActiveProcessParametersChanged, AuthenticationProvider.CurrentUser, SelectedRML.Name, processGroupBefore, ProcessParametersTablesGroupDTO.FromObservable(SelectedRML.GetActiveProcessGroup()), "RML Active process parameters changed from Machine Studio Research module.");

                InvalidateLiquidFactorsAndProcessTables();
            }

            CanWork = true;
        }

        /// <summary>
        /// Resets the process parameters.
        /// </summary>
        private async void ResetProcessParameters()
        {
            if (_notification.ShowQuestion("This will reset the process parameters. Are you sure?"))
            {
                using (_notification.PushTaskItem("Resetting process parameters..."))
                {
                    try
                    {
                        await ApplicationManager.ConnectedMachine.UploadProcessParameters(new ProcessParametersTable());
                        _notification.ShowInfo("Heaters are turned off.");
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Error resetting process parameters.");
                        _notification.ShowError("Error resetting process parameters." + Environment.NewLine + ex.Message);
                    }
                }
            }
        }

        #endregion

        #region Active Job Management

        /// <summary>
        /// Loads the selected job.
        /// </summary>
        private async void LoadSelectedJob(Action onCompleted = null)
        {
            if (SelectedMachineJob != null)
            {
                CanWork = false;

                using (_notification.PushTaskItem("Loading job details..."))
                {
                    try
                    {
                        await Task.Factory.StartNew(() =>
                        {
                            _disable_gamut_check = true;

                            LogManager.Log(String.Format("Loading job {0}...", SelectedMachineJob.Name));
                            SelectedSegments = new ObservableCollection<Segment>();
                            SelectedBrushStops = new ObservableCollection<BrushStop>();
                            SelectedRML = null;
                            SelectedSegment = null;
                            SelectedGroupHistory = null;
                            SelectedBrushStop = null;
                            SelectedProcessParametersTable = null;
                            RmlProcessParametersTableGroup = null;

                            _blockInvalidateCommands = false;

                            LogManager.Log("Creating active job DB context...");
                            _activeJobDbContext = ObservablesContext.CreateDefault();

                            LogManager.Log("Initializing available color spaces, RMLs & Winding methods...");

                            //var processParamsGroups = _activeJobDbContext.ProcessParametersTablesGroups.ToList();
                            //var processParams = _activeJobDbContext.ProcessParametersTables.ToList();

                            ColorSpaces = _activeJobDbContext.ColorSpaces.ToObservableCollection();
                            Rmls = _activeJobDbContext.Rmls.OrderBy(i => i.Name).ToObservableCollection();
                            WindingMethods = _activeJobDbContext.WindingMethods.ToObservableCollection();
                            SpoolTypes = _activeJobDbContext.SpoolTypes.ToObservableCollection();

                            LogManager.Log("Loading machine spools...");
                            _activeJobDbContext.Spools.Where(x => x.MachineGuid == SelectedMachine.Guid).Load();

                            LogManager.Log("Setting active job...");
                            ActiveJob = new JobBuilder(_activeJobDbContext).Set(SelectedMachineJob.Guid).WithUser().WithSegments().WithBrushStops().WithConfiguration().WithRML().Build();

                            //_activeJobDbContext.Ccts.Where(x => x.RmlGuid == ActiveJob.RmlGuid).ToList();
                            //_activeJobDbContext.Cats.Where(x => x.RmlGuid == ActiveJob.RmlGuid).ToList();
                            //_activeJobDbContext.Machines.SingleOrDefault(x => x.Guid == ActiveJob.MachineGuid);
                            //_activeJobDbContext.Configurations.SingleOrDefault(x => x.Guid == ActiveJob.Machine.ConfigurationGuid);

                            //_activeJobDbContext.LiquidTypesRmls.ToList();

                            //_activeJobDbContext.IdsPackFormulas.ToList();
                            //_activeJobDbContext.LiquidTypes.ToList();
                            //_activeJobDbContext.MidTankTypes.ToList();
                            //_activeJobDbContext.DispenserTypes.ToList();

                            //_activeJobDbContext.IdsPacks.Where(x => x.ConfigurationGuid == ActiveJob.Machine.ConfigurationGuid).ToList();

                            _beforeSaveJobDTO = JobDTO.FromObservable(ActiveJob);


                            LogManager.Log("Setting selected segment...");
                            _selectedSegment = ActiveJob.OrderedSegments.FirstOrDefault();

                            ActiveJob.LengthChanged -= ActiveJob_LengthChanged;
                            ActiveJob.LengthChanged += ActiveJob_LengthChanged;

                            _selectedRML = ActiveJob.Rml;
                            InvalidateLiquidFactorsAndProcessTables();
                            RaisePropertyChanged(nameof(SelectedRML));

                            UpdateEstimatedDuration();

                            _blockInvalidateCommands = false;
                            InvalidateRelayCommands();

                            _disable_gamut_check = false;

                            _settings.LastSelectedMachineGuid = SelectedMachine != null ? SelectedMachine.Guid : null;
                            _settings.LastSelectedJobGuid = SelectedMachineJob != null ? SelectedMachineJob.Guid : null;

                            _settings.Save();
                        });

                        SegmentsCollectionView = CollectionViewSource.GetDefaultView(ActiveJob.Segments);
                        SegmentsCollectionView.SortDescriptions.Add(new SortDescription(nameof(Segment.SegmentIndex), ListSortDirection.Ascending));

                        foreach (var segment in ActiveJob.Segments)
                        {
                            SetSegmentBrushStopsLiquidVolumes(segment);
                        }

                        SelectedSegment = _selectedSegment;

                        if (ActiveJob != null)
                        {
                            _current_job_string = ActiveJob.ToJobFileWhenLoaded().ToString();
                        }

                        UIHelper.DoEvents();
                        _navigation.NavigateTo(DeveloperNavigationView.JobView);
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Error loading job.");
                        _notification.ShowError($"An error occurred while trying to load the selected job.\n{ex.FlattenMessage()}");
                    }
                    finally
                    {
                        CanWork = true;
                    }
                }

                CanWork = true;

                onCompleted?.Invoke();
            }
        }

        /// <summary>
        /// Saves the active job.
        /// </summary>
        private async void SaveActiveJob()
        {
            if (ActiveJob != null)
            {
                CanWork = false;

                try
                {
                    using (_notification.PushTaskItem("Saving job details..."))
                    {
                        await Task.Factory.StartNew(() =>
                        {
                            LogManager.Log(String.Format("Saving the active job {0}...", ActiveJob.Name));
                            ActiveJob.LastUpdated = DateTime.UtcNow;
                            ActiveJob.IsSynchronized = false;
                            ActiveJob.Rml = SelectedRML;
                            ActiveJob.EstimatedDurationMili = (int)EstimatedDuration.TotalMilliseconds;
                            ActiveJob.MarkModified(_activeJobDbContext);
                            _activeJobDbContext.SaveChanges();

                            var afterJobDTO = JobDTO.FromObservable(ActiveJob);
                            _actionLogManager.InsertLog(ActionLogType.JobSaved, AuthenticationProvider.CurrentUser, _beforeSaveJobDTO.Name, _beforeSaveJobDTO, afterJobDTO, "Job saved from research module in Machine Studio.");
                            _beforeSaveJobDTO = afterJobDTO;

                            _machineDbContext.Entry(SelectedMachineJob).Reload();

                            _machineDbContext.Entry(SelectedMachineJob).Collection(x => x.Segments).Load();

                            foreach (var segment in SelectedMachineJob.Segments.ToList())
                            {
                                _machineDbContext.Entry(segment).Collection(x => x.BrushStops).Load();

                                foreach (var brushStop in segment.BrushStops.ToList())
                                {
                                    _machineDbContext.Entry(brushStop).Reload();
                                }

                                _machineDbContext.Entry(segment).Reload();
                            }

                            InvokeUI(() =>
                            {
                                SelectedMachineJob.Segments = SelectedMachineJob.Segments;
                            });

                            var settings = SettingsManager.Default.GetOrCreate<DeveloperModuleSettings>();
                            settings.DefaultJobRmlGuid = ActiveJob.RmlGuid;
                            settings.Save();

                            if (ActiveJob != null)
                            {
                                _current_job_string = ActiveJob.ToJobFileWhenLoaded().ToString();
                            }
                        });
                    }
                }
                catch (Exception ex)
                {
                    LogManager.Log(ex, "Error saving active job.");
                    _notification.ShowError($"An error occurred while trying to save the current job.\n{ex.FlattenMessage()}");
                }
                finally
                {
                    CanWork = true;
                }
            }
        }

        private void BackToJobs()
        {
            LogManager.Log("User request for 'back to jobs'...");
            LogManager.Log("Comparing active job with selected job...");

            bool jobModified = ActiveJob.ToJobFileWhenLoaded().ToString() != _current_job_string;

            if (jobModified)
            {
                LogManager.Log("Selected job has been modified. Invoking confirmation dialog...");
                if (_notification.ShowQuestion("This will discard the current job changes. Are you sure?"))
                {
                    LogManager.Log("Disposing active job db context...");
                    _activeJobDbContext.Dispose();
                    _navigation.NavigateTo(DeveloperNavigationView.MachineJobSelectionView);
                }
            }
            else
            {
                LogManager.Log("Disposing active job db context...");
                _activeJobDbContext.Dispose();
                _navigation.NavigateTo(DeveloperNavigationView.MachineJobSelectionView);
            }
        }

        #endregion

        #region Private Methods

        private async void LoadMachine()
        {
            try
            {
                LogManager.Log("Loading selected machine...");

                CanWork = false;

                using (_notification.PushTaskItem("Loading selected machine..."))
                {
                    await _machineDbContext.Jobs.Where(x => x.MachineGuid == SelectedMachine.Guid).Include(x => x.User).Include(x => x.User.Contact).LoadAsync();

                    foreach (var job in SelectedMachine.Jobs)
                    {
                        await job.Reload(_machineDbContext);
                    }

                    await _machineDbContext.ColorSpaces.LoadAsync();

                    await Task.Factory.StartNew(() =>
                    {
                        _machineDbContext.Adapter.GetConfiguration(x => x.Guid == SelectedMachine.ConfigurationGuid);
                    });

                    RaisePropertyChanged(nameof(SelectedMachine));

                    JobsCollectionView = CollectionViewSource.GetDefaultView(SelectedMachine.Jobs);
                    JobsCollectionView.SortDescriptions.Add(new SortDescription(nameof(Job.LastUpdated), ListSortDirection.Descending));
                }

                CanWork = true;

                foreach (var job in SelectedMachine.Jobs.OrderByDescending(x => x.LastUpdated))
                {
                    if (!CanWork) break;
                    job.Segments.EnableCrossThreadOperations();
                    await _machineDbContext.Segments.Where(x => x.JobGuid == job.Guid).Include(x => x.BrushStops).OrderBy(x => x.SegmentIndex).LoadAsync();
                }
            }
            catch (Exception ex)
            {
                LogManager.Log(ex);
                _notification.ShowError("An error occurred while trying to load the selected machine.");
                CanWork = true;
            }
        }

        private void UpdateEstimatedDuration()
        {
            if (ActiveJob != null && SelectedProcessParametersTable != null && SelectedProcessParametersTable.DyeingSpeed > 0)
            {
                EstimatedDuration = ActiveJob.GetEstimatedDuration(SelectedProcessParametersTable);
            }
        }

        private void SetSegmentBrushStopsLiquidVolumes(Segment segment)
        {
            if (!DesignMode && segment != null)
            {
                LogManager.Log("Setting segment brush stops liquid volumes...");
                foreach (var stop in segment.BrushStops)
                {
                    stop.SetLiquidVolumes(ActiveJob.Machine.Configuration, SelectedRML, SelectedProcessParametersTable);
                }
            }
        }

        /// <summary>
        /// Navigates to the Machine Designer Module in order to edit the selected machine.
        /// </summary>
        private void EditMachine()
        {
            LogManager.Log(String.Format("Requesting machine designer module for machine {0} editing...", SelectedMachine.SerialNumber));
        }

        #endregion

        #region Add / Remove / Duplicate Jobs, Segments & Brush Stops

        /// <summary>
        /// Arranges the segments indices.
        /// </summary>
        private void ArrangeSegmentsIndices()
        {
            int index = 1;

            foreach (var segment in ActiveJob.Segments.OrderBy(x => x.SegmentIndex))
            {
                segment.SegmentIndex = index++;
            }

            SegmentsCollectionView.Refresh();
        }

        /// <summary>
        /// Arranges the brush stops indices.
        /// </summary>
        private void ArrangeBrushStopsIndices()
        {
            int index = 0;

            foreach (var stop in SelectedSegment.BrushStops.OrderBy(x => x.StopIndex))
            {
                stop.SetStopIndexNoRaise(index++);
            }

            if (SelectedSegment.BrushStops.Count > 1)
            {
                SelectedSegment.BrushStops.OrderBy(x => x.StopIndex).First().OffsetPercent = 0;
                SelectedSegment.BrushStops.OrderBy(x => x.StopIndex).Last().OffsetPercent = 100;
            }

            foreach (var stop in SelectedSegment.BrushStops.OrderBy(x => x.StopIndex))
            {
                stop.RaiseStopIndex();
                stop.RaiseOffsetChanged();
            }

            BrushStopsCollectionView.Refresh();
        }

        /// <summary>
        /// Removes the selected segments.
        /// </summary>
        private void RemoveSelectedSegments()
        {
            if (ActiveJob != null && SelectedSegment != null)
            {
                if (_notification.ShowQuestion("Are you sure you want to delete the selected segments?"))
                {
                    LogManager.Log(String.Format("Removing {0} segments...", SelectedSegments.Count));

                    SelectedSegments.ToList().ForEach(x =>
                    {
                        if (ActiveJob.Segments.Count == 1)
                        {
                            _notification.ShowInfo("A job must contain at least one segment.");
                            return;
                        }

                        x.Delete(_activeJobDbContext);
                    });

                    ArrangeSegmentsIndices();
                }
            }
        }

        /// <summary>
        /// Adds a new segment.
        /// </summary>
        private void AddSegment()
        {
            if (ActiveJob != null)
            {
                LogManager.Log($"Adding new segment to job {ActiveJob.Name}...");
                Segment seg = new Segment();
                seg.Job = ActiveJob;
                seg.Name = "SEGMENT";
                seg.Length = 10;

                if (ActiveJob.Segments.Count > 0)
                {
                    seg.SegmentIndex = ActiveJob.Segments.Max(x => x.SegmentIndex) + 1;
                }
                else
                {
                    seg.SegmentIndex = 1;
                }

                ActiveJob.Segments.Add(seg);
                SelectedSegment = seg;
                AddBrushStop();
                SetSegmentBrushStopsLiquidVolumes(SelectedSegment);
                ArrangeSegmentsIndices();
            }
        }

        /// <summary>
        /// Removes the selected jobs.
        /// </summary>
        private async void RemoveSelectedJobs()
        {
            if (SelectedMachine != null && SelectedMachineJob != null)
            {
                if (_notification.ShowQuestion("Are you sure you want to delete the selected jobs?"))
                {
                    var jobsToReport = SelectedJobs.Select(x => JobDTO.FromObservable(x)).ToList();

                    LogManager.Log(String.Format("Removing {0} jobs...", SelectedJobs.Count));
                    SelectedJobs.ToList().ForEach(x =>
                    {
                        x.Delete(_machineDbContext);
                    });

                    using (_notification.PushTaskItem("Removing selected jobs..."))
                    {
                        LogManager.Log("Saving selected machine to database...");
                        await SelectedMachine.SaveAsync(_machineDbContext);
                    }

                    foreach (var job in jobsToReport)
                    {
                        _actionLogManager.InsertLog(ActionLogType.JobDeleted, AuthenticationProvider.CurrentUser, job.Name, job, "Job deleted using Machine Studio.", true);
                    }
                }
            }
        }

        /// <summary>
        /// Adds a new job to the selected machine.
        /// </summary>
        private async void AddJob()
        {
            if (SelectedMachine != null)
            {
                String jobName = _notification.ShowTextInput("Please provide a job name", "Name");

                if (!String.IsNullOrWhiteSpace(jobName))
                {
                    LogManager.Log(String.Format("Adding new job {0}...", jobName));

                    var settings = SettingsManager.Default.GetOrCreate<DeveloperModuleSettings>();

                    Job newJob = new Job();
                    newJob.LastUpdated = DateTime.UtcNow;
                    newJob.JobSource = JobSource.Remote;
                    newJob.Name = jobName;
                    newJob.CreationDate = DateTime.UtcNow;
                    newJob.UserGuid = AuthenticationProvider.CurrentUser.Guid;

                    if (String.IsNullOrWhiteSpace(settings.DefaultJobRmlGuid))
                    {
                        newJob.Rml = _machineDbContext.Rmls.FirstOrDefault();
                    }
                    else
                    {
                        var rml = _machineDbContext.Rmls.SingleOrDefault(x => x.Guid == settings.DefaultJobRmlGuid);
                        if (rml != null)
                        {
                            newJob.Rml = rml;
                        }
                        else
                        {
                            newJob.Rml = _machineDbContext.Rmls.FirstOrDefault();
                        }
                    }

                    newJob.WindingMethod = _machineDbContext.WindingMethods.FirstOrDefault();
                    newJob.SpoolType = _machineDbContext.SpoolTypes.FirstOrDefault();
                    newJob.ColorSpace = _machineDbContext.ColorSpaces.FirstOrDefault();
                    newJob.Machine = SelectedMachine;



                    SelectedMachine.Jobs.Add(newJob);
                    var segment = newJob.AddSolidSegment();
                    segment.BrushStops[0].SetAllDispensingStepDivisions(BL.Dispensing.DispenserStepDivisions.D8);

                    LogManager.Log("Saving selected machine to database...");
                    await SelectedMachine.SaveAsync(_machineDbContext);
                    _actionLogManager.InsertLog(ActionLogType.JobCreated, AuthenticationProvider.CurrentUser, newJob.Name, newJob, "Job created using Machine Studio.");
                    SelectedMachineJob = newJob;
                    LoadSelectedJob();
                }
            }
        }

        /// <summary>
        /// Removes the selected brush stop.
        /// </summary>
        private void RemoveSelectedBrushStops()
        {
            if (SelectedBrushStop != null && SelectedSegment != null)
            {
                if (_notification.ShowQuestion("Are you sure you want to delete the selected brush stops?"))
                {
                    LogManager.Log(String.Format("Removing {0} brush stops...", SelectedBrushStops.Count));

                    SelectedBrushStops.ToList().ForEach(x =>
                    {
                        if (SelectedSegment.BrushStops.Count == 1)
                        {
                            _notification.ShowInfo("A job segment must contain at least one brush stop.");
                            return;
                        }
                        SelectedSegment.BrushStops.Remove(x);
                        var existingBrushStop = _activeJobDbContext.BrushStops.FirstOrDefault(y => y.Guid == x.Guid);
                        if(existingBrushStop != null)
                        {
                            _activeJobDbContext.BrushStops.Remove(existingBrushStop);
                        }


                    });

                    ArrangeBrushStopsIndices();
                }
            }
        }

        /// <summary>
        /// Adds a new brush stop to the selected segment.
        /// </summary>
        private void AddBrushStop()
        {
            if (SelectedSegment != null)
            {
                LogManager.Log($"Adding new brush stop to segment '{SelectedSegment.SegmentIndex}'...");

                var stop = new BrushStop();

                if (SelectedSegment.BrushStops.Count > 0)
                {
                    stop.StopIndex = SelectedSegment.BrushStops.Max(x => x.StopIndex) + 1;
                }
                else
                {
                    stop.StopIndex = 1;
                }

                stop.OffsetPercent = 100;
                stop.Segment = SelectedSegment;
                stop.ColorSpace = ColorSpaces.FirstOrDefault();
                stop.Color = Colors.Black;
                stop.SetAllDispensingStepDivisions(BL.Dispensing.DispenserStepDivisions.D8);
                stop.SetLiquidVolumes(SelectedMachine.Configuration, SelectedRML, SelectedProcessParametersTable);
                SelectedSegment.BrushStops.Add(stop);
               // _activeJobDbContext.BrushStops.Add(stop);
                SelectedSegment.BrushStops.ToList().ForEach(x => x.RaiseOffsetChanged());
                ArrangeBrushStopsIndices();
            }
        }

        /// <summary>
        /// Duplicates the selected brush stops.
        /// </summary>
        private void DuplicateSelectedBrushStops()
        {
            LogManager.Log($"Duplicating {SelectedBrushStops.Count} brush stops...");

            foreach (var stop in SelectedBrushStops.OrderBy(x => x.StopIndex))
            {
                var cloned = stop.Clone();
                cloned.StopIndex = SelectedSegment.BrushStops.Max(x => x.StopIndex) + 1;
                cloned.SetLiquidVolumes(ActiveJob.Machine.Configuration, SelectedRML, SelectedProcessParametersTable);
                SelectedSegment.BrushStops.Add(cloned);
            }

            ArrangeBrushStopsIndices();
        }

        /// <summary>
        /// Duplicates the selected segments.
        /// </summary>
        private void DuplicateSelectedSegments()
        {
            LogManager.Log($"Duplicating {SelectedSegments.Count} segments...");

            int start_index = SelectedSegments.Max(x => x.SegmentIndex);

            ActiveJob.Segments.Where(x => x.SegmentIndex > start_index).ToList().ForEach(x => x.SegmentIndex = x.SegmentIndex + SelectedSegments.Count);

            foreach (var segment in SelectedSegments.OrderBy(x => x.SegmentIndex))
            {
                var cloned = segment.Clone();
                cloned.SegmentIndex = start_index++;
                ActiveJob.Segments.Add(cloned);
                SelectedSegment = cloned;
            }

            ArrangeSegmentsIndices();
        }

        /// <summary>
        /// Duplicates the selected jobs.
        /// </summary>
        private async void DuplicateSelectedJobs()
        {
            if (SelectedMachineJob != null)
            {
                using (_notification.PushTaskItem("Cloning selected jobs..."))
                {
                    CanWork = false;

                    LogManager.Log($"Duplicating {SelectedJobs.Count} jobs...");

                    int index = SelectedMachine.Jobs.Max(x => x.JobIndex);

                    foreach (var job in SelectedJobs)
                    {
                        var cloned = job.Clone();
                        cloned.JobIndex = ++index;
                        SelectedMachine.Jobs.Add(cloned);
                    }

                    LogManager.Log("Saving selected machine to database...");
                    await SelectedMachine.SaveAsync(_machineDbContext);

                    foreach (var job in SelectedJobs)
                    {
                        _actionLogManager.InsertLog(ActionLogType.JobCreated, AuthenticationProvider.CurrentUser, job.Name, job, "Job cloned using Machine Studio.");
                    }

                    CanWork = true;
                }
            }
        }

        #endregion

        #region Embroidery

        /// <summary>
        /// Imports embroidery file.
        /// </summary>
        private void ImportEmbroideryFile()
        {
            OpenFileDialog dlg = new OpenFileDialog();
            dlg.Title = "Select embroidery file";
            dlg.Filter = EMB_FORMATS_IMPORT;
            if (dlg.ShowDialogCenter())
            {
                var view = new EmbroideryImportView();

                _notification.ShowModalDialog<EmbroideryImportViewVM, EmbroideryImportView>(
                    new EmbroideryImportViewVM() { FileName = dlg.FileName }, view,
                    (vm) =>
                    {
                        String jobName = _notification.ShowTextInput("Please provide a job name", "Name");

                        if (jobName != null)
                        {
                            AddJobFromEmbroideryFile(jobName, vm, dlg.FileName, view.EmbroideryImageBytes);
                        }
                    },
                    () =>
                    {

                    });
            }
        }

        private async void AddJobFromEmbroideryFile(String jobName, EmbroideryImportViewVM vm, String fileName, byte[] imageBytes)
        {
            LogManager.Log(String.Format("Adding new job from embroidery file {0}...", jobName));

            Job job = new Job();
            job.Name = jobName;
            job.Name = jobName;
            job.CreationDate = DateTime.UtcNow;
            job.UserGuid = AuthenticationProvider.CurrentUser.Guid;
            job.Rml = _machineDbContext.Rmls.FirstOrDefault();
            job.WindingMethod = _machineDbContext.WindingMethods.FirstOrDefault();
            job.SpoolType = _machineDbContext.SpoolTypes.FirstOrDefault();
            job.Machine = SelectedMachine;

            job.EmbroideryFileName = Path.GetFileName(fileName);
            job.EmbroideryFileData = File.ReadAllBytes(fileName);
            job.EmbroideryJpeg = imageBytes;
            job.HasEmbroideryFile = true;

            foreach (var path in vm.Paths.Skip(1))
            {
                Segment segment = new Segment();

                double baseLength = path.Length / 1000d;
                double embThicknessLength = (vm.EmbroideryMaterialThickness * path.StitchCount) / 1000d;
                double stabilizerThicknessLength = (vm.StabilizerThickness * path.StitchCount) / 1000d;
                double totalLength = (baseLength + embThicknessLength) * vm.SelectedEmbroideryMaterial.Coefficient;

                if (vm.HasStabilizer)
                {
                    totalLength += (stabilizerThicknessLength * vm.SelectedStabilizer.Coefficient);
                }

                segment.Length = totalLength;
                segment.Name = "Embroidery Segment";
                segment.SegmentIndex = vm.Paths.IndexOf(path);

                if (path.Brush is SolidColorBrush)
                {
                    var brush = (path.Brush as SolidColorBrush);

                    segment.BrushStops.Add(new BrushStop()
                    {
                        Red = brush.Color.R,
                        Green = brush.Color.G,
                        Blue = brush.Color.B,
                        ColorSpace = _machineDbContext.ColorSpaces.ToList().SingleOrDefault(x => x.Code == BL.Enumerations.ColorSpaces.RGB.ToInt32()),
                    });
                }
                else
                {
                    var brush = (path.Brush as LinearGradientBrush);

                    foreach (var stop in brush.GradientStops)
                    {
                        segment.BrushStops.Add(new BrushStop()
                        {
                            StopIndex = brush.GradientStops.IndexOf(stop),
                            Red = stop.Color.R,
                            Green = stop.Color.G,
                            Blue = stop.Color.B,
                            OffsetPercent = stop.Offset * 100d,
                            ColorSpace = _machineDbContext.ColorSpaces.ToList().SingleOrDefault(x => x.Code == BL.Enumerations.ColorSpaces.RGB.ToInt32()),
                        });
                    }
                }

                job.Segments.Add(segment);
            }

            SelectedMachine.Jobs.Add(job);
            LogManager.Log("Saving selected machine to database...");
            await SelectedMachine.SaveAsync(_machineDbContext);
            SelectedMachineJob = job;
            LoadSelectedJob();
        }

        private void DisplayJobEmbroideryFile(Job job)
        {
            _notification.ShowModalDialog<EmbroideryDisplayViewVM, EmbroideryDisplayView>(new EmbroideryDisplayViewVM(job), (vm) =>
            {

                SaveFileDialog dlg = new SaveFileDialog();
                dlg.Title = "Select embroidery file location and format";
                dlg.Filter = EMB_FORMATS_EXPORT;
                dlg.FileName = job.EmbroideryFileName;
                if (dlg.ShowDialogCenter())
                {
                    try
                    {
                        var tempDir = TemporaryManager.CreateFolder();
                        String filePath = Path.Combine(tempDir.Path, job.EmbroideryFileName);
                        File.WriteAllBytes(filePath, job.EmbroideryFileData);
                        EmbroideryFileConverter.ConvertEmbroideryFile(filePath, dlg.FileName);
                        _notification.ShowInfo("Embroidery file exported successfully.");
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "An error has occurred while trying to export the attached embroidery file.");
                        _notification.ShowError("An error has occurred while trying to export the attached embroidery file.");
                    }
                }

            }, () => { });
        }

        #endregion

        #region Job Import/Export

        private async void ExportJobFile()
        {
            if (SelectedJobs != null && SelectedJobs.Count > 1)
            {
                CommonOpenFileDialog dlg = new CommonOpenFileDialog();
                dlg.Title = "Select a folder to place all job files.";
                dlg.IsFolderPicker = true;

                if (dlg.ShowDialog() == CommonFileDialogResult.Ok)
                {
                    foreach (var job in SelectedJobs)
                    {
                        using (_notification.PushTaskItem($"Exporting job '{job.Name}'..."))
                        {
                            try
                            {
                                LogManager.Log($"Exporting job file {job.Name}");

                                var jobFile = await job.ToJobFile();
                                File.WriteAllBytes(Path.Combine(dlg.FileName, job.Name + ".job"), jobFile.ToBytes());
                            }
                            catch (Exception ex)
                            {
                                LogManager.Log(ex, "Error exporting job file.");
                                _notification.ShowError($"An error occurred while trying to export job '{job.Name}'.\n{ex.FlattenMessage()}");
                            }
                        }
                    }
                }
            }
            else
            {
                SaveFileDialog dlg = new SaveFileDialog();
                dlg.Title = "Export Job File";
                dlg.Filter = "Twine Job Files|*.job";
                dlg.DefaultExt = ".job";
                dlg.FileName = SelectedMachineJob.Name;
                if (dlg.ShowDialog().Value)
                {
                    using (_notification.PushTaskItem($"Exporting job '{SelectedMachineJob.Name}'..."))
                    {
                        try
                        {
                            LogManager.Log($"Exporting job file {SelectedMachineJob.Name}");

                            var jobFile = await SelectedMachineJob.ToJobFile();
                            File.WriteAllBytes(dlg.FileName, jobFile.ToBytes());
                        }
                        catch (Exception ex)
                        {
                            LogManager.Log(ex, "Error exporting job file.");
                            _notification.ShowError($"An error occurred while trying to export job '{SelectedMachineJob.Name}'.\n{ex.FlattenMessage()}");
                        }
                    }
                }
            }
        }

        private async void ImportJobFile()
        {
            OpenFileDialog dlg = new OpenFileDialog();
            dlg.Title = "Import Job Files";
            dlg.Filter = "Twine Job Files|*.job";
            dlg.Multiselect = true;
            if (dlg.ShowDialog().Value)
            {
                using (_notification.PushTaskItem($"Importing job files..."))
                {
                    try
                    {
                        IsFree = false;

                        LogManager.Log($"Importing job files...");

                        List<Job> jobsToReport = new List<Job>();

                        foreach (var file in dlg.FileNames)
                        {
                            var bytes = File.ReadAllBytes(file);
                            var jobFile = JobFile.Parser.ParseFrom(bytes);
                            var job = await Job.FromJobFile(jobFile, SelectedMachine.Guid, AuthenticationProvider.CurrentUser.Guid);
                            job.JobSource = JobSource.Remote;

                            _machineDbContext.Jobs.Add(job);
                            jobsToReport.Add(job);
                        }

                        await _machineDbContext.SaveChangesAsync();

                        foreach (var job in jobsToReport)
                        {
                            _actionLogManager.InsertLog(ActionLogType.JobImported, AuthenticationProvider.CurrentUser, job.Name, job, "Job imported using Machine Studio.");
                        }

                        IsFree = true;

                        _notification.ShowInfo($"Jobs imported successfully.");
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Error importing job file.");
                        _notification.ShowError($"An error occurred while trying to import the selected job file.\n{ex.FlattenMessage()}");
                    }
                    finally
                    {
                        IsFree = true;
                    }
                }
            }
        }

        #endregion

        #region Override Methods

        protected override void RaisePropertyChangedAuto([CallerMemberName] string caller = null)
        {
            base.RaisePropertyChangedAuto(caller);

            if (!_blockInvalidateCommands)
            {
                InvalidateRelayCommands();
            }
        }

        #endregion

        #region IStudioViewModel

        public override Task<bool> OnShutdownRequest()
        {
            if (IsJobRunning)
            {
                InvokeUI(() =>
                {
                    _notification.ShowWarning("Please stop the currently running job before closing the developer module.");
                });

                return Task.FromResult(false);
            }

            return Task.FromResult(true);
        }

        public override void OnShuttingDown()
        {

        }

        #endregion
    }
}

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