Imports System.IO
Imports EgtUILib

Namespace EgtCAM5

   Public Class SimulationExpanderViewModel
      Inherits ViewModelBase

#Region "FIELDS & PROPERTIES"

      'EGT PROPERTIES
      ' Stato di visualizzazione della macchina
      Private m_nMachLook As Integer = MCH_LOOK.ALL
      ' Utensile corrente
      Private m_sCurrTool As String = String.Empty
      ' Stato e comando correnti
      Public Enum SIM_ST As Integer
         ST_STOP = 1
         ST_PLAY = 2
         ST_STEP = 3
         ST_PAUSE = 4
      End Enum
      Private m_nStatus As Integer = SIM_ST.ST_STOP
      ' Stato bottone Play
      Private m_bPlay As Boolean = True
      ' Coefficiente per valore Slider
      Private m_SliderX As Double = 1

      'GRAPHICAL PROPERTIES

      Private m_IsExpanded As Boolean
      Public Property IsExpanded As Boolean
         Get
            Return m_IsExpanded
         End Get
         Set(value As Boolean)
            If value <> m_IsExpanded Then
               If value Then
                  EgtDeselectAll()
                  Application.Msn.NotifyColleagues(Application.REMOVEMARKFROMLASTOPERATION)
                  Application.Msn.NotifyColleagues(Application.GETDISTANCE_ISCHECKED, False)
                  InitializeSimulation()
               Else
                  CloseSimulation()
               End If
               m_IsExpanded = value
               Application.Msn.NotifyColleagues(Application.SIMULATIONEXPANDER_GET_ISEXPANDED, value)
               OnPropertyChanged("IsExpanded")
            End If
         End Set
      End Property

      Private m_L1Name As String
      Public Property L1Name As String
         Get
            Return m_L1Name
         End Get
         Set(value As String)
            If value <> m_L1Name Then
               m_L1Name = value
               OnPropertyChanged("L1Name")
            End If
         End Set
      End Property

      Private m_L1Value As String
      Public Property L1Value As String
         Get
            Return m_L1Value
         End Get
         Set(value As String)
            If value <> m_L1Value Then
               m_L1Value = value
               OnPropertyChanged("L1Value")
            End If
         End Set
      End Property

      Private m_L2Name As String
      Public Property L2Name As String
         Get
            Return m_L2Name
         End Get
         Set(value As String)
            If value <> m_L2Name Then
               m_L2Name = value
               OnPropertyChanged("L2Name")
            End If
         End Set
      End Property

      Private m_L2Value As String
      Public Property L2Value As String
         Get
            Return m_L2Value
         End Get
         Set(value As String)
            If value <> m_L2Value Then
               m_L2Value = value
               OnPropertyChanged("L2Value")
            End If
         End Set
      End Property

      Private m_L3Name As String
      Public Property L3Name As String
         Get
            Return m_L3Name
         End Get
         Set(value As String)
            If value <> m_L3Name Then
               m_L3Name = value
               OnPropertyChanged("L3Name")
            End If
         End Set
      End Property

      Private m_L3Value As String
      Public Property L3Value As String
         Get
            Return m_L3Value
         End Get
         Set(value As String)
            If value <> m_L3Value Then
               m_L3Value = value
               OnPropertyChanged("L3Value")
            End If
         End Set
      End Property

      Private m_R1Name As String
      Public Property R1Name As String
         Get
            Return m_R1Name
         End Get
         Set(value As String)
            If value <> m_R1Name Then
               m_R1Name = value
               OnPropertyChanged("R1Name")
            End If
         End Set
      End Property

      Private m_R1Value As String
      Public Property R1Value As String
         Get
            Return m_R1Value
         End Get
         Set(value As String)
            If value <> m_R1Value Then
               m_R1Value = value
               OnPropertyChanged("R1Value")
            End If
         End Set
      End Property

      Private m_R2Name As String
      Public Property R2Name As String
         Get
            Return m_R2Name
         End Get
         Set(value As String)
            If value <> m_R2Name Then
               m_R2Name = value
               OnPropertyChanged("R2Name")
            End If
         End Set
      End Property

      Private m_R2Value As String
      Public Property R2Value As String
         Get
            Return m_R2Value
         End Get
         Set(value As String)
            If value <> m_R2Value Then
               m_R2Value = value
               OnPropertyChanged("R2Value")
            End If
         End Set
      End Property

      Private m_GCode As String
      Public Property GCode As String
         Get
            Return m_GCode
         End Get
         Set(value As String)
            If value <> m_GCode Then
               m_GCode = value
               OnPropertyChanged("GCode")
            End If
         End Set
      End Property

      Private m_FValue As String
      Public Property FValue As String
         Get
            Return m_FValue
         End Get
         Set(value As String)
            If value <> m_FValue Then
               m_FValue = value
               OnPropertyChanged("FValue")
            End If
         End Set
      End Property

      Private m_TName As String
      Public Property TName As String
         Get
            Return m_TName
         End Get
         Set(value As String)
            If value <> m_TName Then
               m_TName = value
               OnPropertyChanged("TName")
            End If
         End Set
      End Property

      Private m_SValue As String
      Public Property SValue As String
         Get
            Return m_SValue
         End Get
         Set(value As String)
            If value <> m_SValue Then
               m_SValue = value
               OnPropertyChanged("SValue")
            End If
         End Set
      End Property

      Private m_PlayPauseImage As String
      Public ReadOnly Property PlayPauseImage As String
         Get
            Select Case m_bPlay
               Case False
                  Return "/Resources/OptionPanel/MachiningOptionPanel/SimulationExpander/Pause.png"
               Case True
                  Return "/Resources/OptionPanel/MachiningOptionPanel/SimulationExpander/Play.png"
               Case Else
                  Return ""
            End Select
         End Get
      End Property

      Private m_SliderValue As Double
      Public Property SliderValue As Double
         Get
            Return m_SliderValue
         End Get
         Set(value As Double)
            If value <> m_SliderValue Then
               m_SliderValue = value
               EgtSimSetStep(value * m_SliderX)
               OnPropertyChanged("SliderValue")
            End If
         End Set
      End Property

      ' Definizione comandi
      Private m_cmdStep As ICommand
      Private m_cmdPlayPause As ICommand
      Private m_cmdStop As ICommand
      Private m_cmdGenerate As ICommand

#Region "Messages"

      Public ReadOnly Property SimulationMsg As String
         Get
            Return EgtMsg(MSG_SIMULATION + 7)
         End Get
      End Property
      Public ReadOnly Property GenerateMsg As String
         Get
            Return EgtMsg(MSG_SIMULATION + 30)
         End Get
      End Property

#End Region

#Region "ToolTip"

      Public ReadOnly Property OneStepToolTip As String
         Get
            Return EgtMsg(MSG_SIMULATION + 8)
         End Get
      End Property
      Public ReadOnly Property PlayPauseToolTip As String
         Get
            Return EgtMsg(MSG_SIMULATION + 9)
         End Get
      End Property
      Public ReadOnly Property StopHomeToolTip As String
         Get
            Return EgtMsg(MSG_SIMULATION + 10)
         End Get
      End Property

#End Region

#End Region

#Region "CONSTRUCTOR"

      Sub New()
         Application.Msn.Register(Application.CLOSEAPPLICATION, Sub()
                                                                   If IsExpanded Then
                                                                      ResetSimulation()
                                                                   End If
                                                                End Sub)
         Application.Msn.Register(Application.SIMULATIONEXPANDER_SET_ISEXPANDED, Sub(bValue As Boolean)
                                                                                    IsExpanded = bValue
                                                                                 End Sub)
      End Sub

#End Region

#Region "COMMANDS"

#Region "StepCommand"

      ''' <summary>
      ''' Returns a command that create a new tool.
      ''' </summary>
      Public ReadOnly Property StepCommand As ICommand
         Get
            If m_cmdStep Is Nothing Then
               m_cmdStep = New RelayCommand(AddressOf StepCmd)
            End If
            Return m_cmdStep
         End Get
      End Property

      ''' <summary>
      ''' Creata the new tool.  This method is invoked by the NewCommand.
      ''' </summary>
      Public Sub StepCmd(ByVal param As Object)
         'm_CurrProjPage.ClearMessage()
         ' Se stato stop, devo avviare simulazione
         If m_nStatus = SIM_ST.ST_STOP Then
            m_nStatus = SIM_ST.ST_STEP
            ExecSim()
            ' Aggiorno bottone
            m_bPlay = True
            OnPropertyChanged("PlayPauseImage")
            'SetPlayPauseBtnToPlay()
            ' Alrimenti imposto solo il nuovo stato
         Else
            m_nStatus = SIM_ST.ST_STEP
            ' Aggiornamenti per bottone Play/Pause
            m_bPlay = False
            OnPropertyChanged("PlayPauseImage")
            'SetPlayPauseBtnToPause()
         End If
      End Sub

#End Region ' StepCommand

#Region "PlayPauseCommand"

      ''' <summary>
      ''' Returns a command that create a new tool.
      ''' </summary>
      Public ReadOnly Property PlayPauseCommand As ICommand
         Get
            If m_cmdPlayPause Is Nothing Then
               m_cmdPlayPause = New RelayCommand(AddressOf PlayPause)
            End If
            Return m_cmdPlayPause
         End Get
      End Property

      ''' <summary>
      ''' Creata the new tool.  This method is invoked by the NewCommand.
      ''' </summary>
      Public Sub PlayPause(ByVal param As Object)
         'm_CurrProjPage.ClearMessage()
         If m_bPlay Then
            ' Aggiorno bottone
            m_bPlay = False
            OnPropertyChanged("PlayPauseImage")
            ' Eseguo
            If m_nStatus = SIM_ST.ST_STOP Then
               ' Lancio simulazione
               m_nStatus = SIM_ST.ST_PLAY
               ExecSim()
               ' Aggiorno bottone
               m_bPlay = True
               OnPropertyChanged("PlayPauseImage")
            ElseIf m_nStatus = SIM_ST.ST_PAUSE Then
               m_nStatus = SIM_ST.ST_PLAY
            End If
         Else
            ' Aggiorno bottone
            m_bPlay = True
            OnPropertyChanged("PlayPauseImage")
            ' Se play o step, imposto stato pausa
            If m_nStatus = SIM_ST.ST_PLAY Or m_nStatus = SIM_ST.ST_STEP Then
               m_nStatus = SIM_ST.ST_PAUSE
            End If
         End If
      End Sub


#End Region ' PlayPauseCommand

#Region "StopCommand"

      ''' <summary>
      ''' Returns a command that create a new tool.
      ''' </summary>
      Public ReadOnly Property StopCommand As ICommand
         Get
            If m_cmdStop Is Nothing Then
               m_cmdStop = New RelayCommand(AddressOf StopCmd)
            End If
            Return m_cmdStop
         End Get
      End Property

      ''' <summary>
      ''' Creata the new tool.  This method is invoked by the NewCommand.
      ''' </summary>
      Public Sub StopCmd(ByVal param As Object)
         'm_CurrProjPage.ClearMessage()
         ' Se stato già stop, porto in home
         If m_nStatus = SIM_ST.ST_STOP Then
            ' Vado in home
            EgtSimHome()
            ' Imposto prima fase
            EgtSetCurrPhase(1, True)
            ' Aggiorno visualizzazione
            EgtDraw()
            ' Aggiorno dati CNC
            ShowCncData()
         End If
         ' Imposto il nuovo stato
         m_nStatus = SIM_ST.ST_STOP
      End Sub


#End Region ' StopCommand

#Region "GenerateCommand"

      ''' <summary>
      ''' Returns a command that create a new tool.
      ''' </summary>
      Public ReadOnly Property GenerateCommand As ICommand
         Get
            If m_cmdGenerate Is Nothing Then
               m_cmdGenerate = New RelayCommand(AddressOf Generate, AddressOf CanGenerate)
            End If
            Return m_cmdGenerate
         End Get
      End Property

      ''' <summary>
      ''' Creata the new tool.  This method is invoked by the NewCommand.
      ''' </summary>
      Public Sub Generate(ByVal param As Object)
         Dim sInfo As String = "EgtCAM5"
         Dim sCurrFilePath As String = String.Empty
         EgtGetCurrFilePath(sCurrFilePath)
         If Not EgtGenerate(Path.ChangeExtension(sCurrFilePath, ".cnc"), sInfo) Then
            MessageBox.Show(EgtMsg(MSG_SIMULATION + 6), EgtMsg(MSG_SIMULATION + 5), MessageBoxButton.OK, MessageBoxImage.Stop)
         End If
      End Sub

      ''' <summary>
      ''' Returns true if the selected treeviewitem is valid for new tool creation.
      ''' </summary>
      Private Function CanGenerate(ByVal param As Object) As Boolean
         Return True
      End Function

#End Region ' GenerateCommand

#End Region

#Region "METHODS"

      Private Sub InitializeSimulation()
         ' Imposto prima fase
         EgtSetCurrPhase(1)
         ' Costringo ad aggiornare UI
         UpdateUI()
         ' Imposto stato corrente
         m_nStatus = SIM_ST.ST_STOP
         m_bPlay = True
         m_SliderX = GetPrivateProfileDouble(S_SIMUL, K_SLIDERX, 1)
         Dim SliderVal As Double = GetPrivateProfileDouble(S_SIMUL, K_SLIDERVAL, 10)
         SliderValue = SliderVal
         ' Porto la testa in home
         EgtSimStart()
         EgtSimHome()
         LoadCurrTools()
         EgtDraw()
         ShowCncData()
      End Sub

      Private Sub CloseSimulation()
         ' Mi assicuro di terminare la simulazione
         ResetSimulation()
         EgtDraw()
      End Sub

      Private Sub ResetSimulation()
         ' Termino la simulazione
         m_nStatus = SIM_ST.ST_STOP
         EgtSimStop()
         ' Salvo valore dello slider
         Dim sVal As String = DoubleToString(SliderValue, 1)
         WritePrivateProfileString(S_SIMUL, K_SLIDERVAL, sVal)
         ' Torno alla prima fase
         EgtSetCurrPhase(1, True)
         ' Ripristino visibilità standard
         'EgtSetMachineLook(MCH_LOOK.TAB)
      End Sub

      Private Sub ExecSim()
         EgtSimStart()
         LoadCurrTools()
         EgtSimSetStep(SliderValue * m_SliderX)
         While m_nStatus <> SIM_ST.ST_STOP
            ' Se simulazione in svolgimento
            If m_nStatus = SIM_ST.ST_PLAY Or m_nStatus = SIM_ST.ST_STEP Then
               ' Eseguo movimento
               Dim nMove As Integer
               Dim bMove As Boolean = EgtSimMove(nMove)
               ' Se arrivato a fine step e sono in step
               If bMove Then
                  If m_nStatus = SIM_ST.ST_STEP And nMove = MCH_SIM.END_STEP Then
                     ' Imposto stato Pausa
                     m_nStatus = SIM_ST.ST_PAUSE
                     ' Aggiornamenti per bottone Play/Pause
                     m_bPlay = True
                     OnPropertyChanged("PlayPauseImage")
                  End If
                  ' Se movimento non riuscito
               Else
                  m_nStatus = SIM_ST.ST_STOP
                  ' Aggiornamenti per bottone Play/Pause
                  m_bPlay = True
                  OnPropertyChanged("PlayPauseImage")
                  Select Case nMove
                     Case MCH_SIM.END_
                        'MsgBox(EgtMsg(MSG_SIMULATION + 1))         'Simulazione completata
                     Case MCH_SIM.OUTSTROKE
                        Dim sInfo As String = String.Empty
                        EgtGetOutstrokeInfo(sInfo)
                        MessageBox.Show(EgtMsg(MSG_SIMULATION + 2) & " " & sInfo, EgtMsg(MSG_SIMULATION + 5), MessageBoxButton.OK, MessageBoxImage.Stop)        'Extracorsa ...
                     Case MCH_SIM.DIR_ERR
                        MessageBox.Show(EgtMsg(MSG_SIMULATION + 3), EgtMsg(MSG_SIMULATION + 5), MessageBoxButton.OK, MessageBoxImage.Stop)         'Direzione utensile irraggiungibile
                     Case Else
                        MessageBox.Show(EgtMsg(MSG_SIMULATION + 4), EgtMsg(MSG_SIMULATION + 5), MessageBoxButton.OK, MessageBoxImage.Stop)         'Errore
                  End Select
               End If
               ' Aggiorno stato visualizzazione macchina (dipende anche da utensile)
               'UpdateMachView()
               ' Aggiorno visualizzazione
               EgtDraw()
               ' Aggiorno dati CNC
               ShowCncData()
            Else
               ' Per evitare di ciclare rapidissimamente e consumare inutilmente CPU
               System.Threading.Thread.Sleep(1)
            End If
            '' Costringo ad aggiornare UI
            UpdateUI()
         End While
      End Sub

      Private Sub ShowCncData()
         ' Assi
         Dim nInd As Integer = 0
         ShowAxisNameVal(nInd, L1Name, L1Value)
         ShowAxisNameVal(nInd, L2Name, L2Value)
         ShowAxisNameVal(nInd, L3Name, L3Value)
         ShowAxisNameVal(nInd, R1Name, R1Value)
         ShowAxisNameVal(nInd, R2Name, R2Value)
         ' Tipo di movimento e feed
         ShowMoveTypeFeed()
         ' Nome utensile e speed
         ShowToolNameSpeed()
      End Sub

      Private Function ShowAxisNameVal(ByRef nInd As Integer, ByRef sName As String, ByRef sVal As String) As Boolean
         Dim sInfo As String = String.Empty
         Dim dVal As Double = 0
         If EgtSimGetAxisInfoPos(nInd, sInfo, dVal) Then
            If sInfo <> "**" Then
               sName = sInfo
               sVal = If(nInd < 3, LenToString(dVal, -3), DoubleToString(dVal, -3))
               nInd += 1
               Return True
            Else
               nInd += 1
               Return ShowAxisNameVal(nInd, sName, sVal)
            End If
         Else
            sName = String.Empty
            sVal = String.Empty
            nInd += 1
            Return False
         End If
      End Function

      Private Function ShowMoveTypeFeed() As Boolean
         Dim nG As Integer = 0
         Dim dFeed As Double = 0
         If EgtSimGetMoveInfo(nG, dFeed) Then
            If nG <> 0 Then
               GCode = "G" & nG.ToString()
               FValue = "F" & LenToString(dFeed, 0)
            Else
               GCode = "G" & nG.ToString()
               FValue = ""
            End If
            Return True
         Else
            GCode = ""
            FValue = ""
            Return False
         End If
      End Function

      Private Function ShowToolNameSpeed() As Boolean
         Dim sTool As String = String.Empty
         Dim dSpeed As Double = 0
         If EgtSimGetToolInfo(sTool, dSpeed) Then
            TName = sTool
            SValue = "S" & DoubleToString(dSpeed, 0)
            Return True
         Else
            TName = ""
            SValue = ""
            Return False
         End If
      End Function

      Private Function LoadCurrTools() As Boolean
         '' Imposto la lama corrente
         'Dim sSaw As String = m_MainWindow.m_CurrentMachine.sCurrSaw
         'If Not EgtLoadTool("H1", 1, sSaw) Then
         '   Return False
         'End If
         '' Imposto eventuale secondo utensile montato
         'If m_MainWindow.m_CurrentMachine.MountedToolConfig = CurrentMachine.MountedToolConfigs.SAWANDAUXTOOL Then
         '   Dim sTool As String = m_MainWindow.m_CurrentMachine.sCurrDrill
         '   If String.IsNullOrEmpty(sTool) Then sTool = m_MainWindow.m_CurrentMachine.sCurrMill
         '   If Not String.IsNullOrEmpty(sTool) AndAlso Not EgtLoadTool("H1", 2, sTool) Then
         '      Return False
         '   End If
         'End If
         Return True
      End Function

      Private Sub UpdateMachView()
         ' Se cambiato utensile, aggiorno stato visualizzazione macchina
         Dim sTool As String = String.Empty
         Dim dSpeed As Double = 0
         If EgtSimGetToolInfo(sTool, dSpeed) Then
            If sTool <> m_sCurrTool Then
               m_sCurrTool = sTool
               EgtSetMachineLook(m_nMachLook)
            End If
         End If
      End Sub

#End Region

   End Class

End Namespace