Imports System.Collections.ObjectModel
Imports System.Globalization
Imports EgtUILib
Imports System.Text.RegularExpressions
Imports System.IO

Public Module Utility
   Public Function SearchFileConfig(ByRef FrameCompoFile As String, ByRef FrameCompoFileConfig As String) As Boolean
      Dim bFileConfig As Boolean = False
      FrameCompoFile = IniFile.m_CompoDir & "\" & FrameCompoFile
      FrameCompoFileConfig = FrameCompoFile
      If Not File.Exists(FrameCompoFileConfig) Then
         FrameCompoFileConfig = FrameCompoFileConfig & ".lua"
      End If
      If File.Exists(FrameCompoFileConfig) Then
         FrameCompoFileConfig = FrameCompoFileConfig.Remove(FrameCompoFileConfig.LastIndexOf("\"))
         While Not bFileConfig And Not FrameCompoFileConfig.Count < 2
            Dim CurrDirectory() As String = Directory.GetFiles(FrameCompoFileConfig)
            Dim Index As Integer = 0
            FrameCompoFileConfig &= "\" & ConstCompo.CONFIGINI_FILE_NAME
            For Index = 0 To CurrDirectory.Count - 1
               If CurrDirectory(Index) = FrameCompoFileConfig Then
                  bFileConfig = True
                  Exit While
               End If
            Next
            FrameCompoFileConfig = FrameCompoFileConfig.Remove(FrameCompoFileConfig.LastIndexOf("\"))
            FrameCompoFileConfig = FrameCompoFileConfig.Remove(FrameCompoFileConfig.LastIndexOf("\"))
         End While
      End If
      Return bFileConfig
   End Function

   ' aggiuge un asterisco al nome dell'assemblato da stampare nel bottone
   Public Function SetNameCurrAssemblyAsNew(ByVal value As String) As String
      If Not IsNothing(value) Then
         If Not value.Contains("*") Then
            If value.EndsWith(".ddf") Then
               value = value.Insert(value.Count - 4, "*")
            End If
         End If
      End If
      Return value
   End Function
   ' elimina l'asterisco dal nome dell'assemblato
   Public Function SetNameCurrAssemblyAsSaved(ByVal value As String) As String
      If Not IsNothing(value) Then
         If value.Contains("*") Then
            value = value.Remove(value.IndexOf("*"))
            value &= K_DDFEXTENSION
         End If
      End If
      Return value
   End Function

   Friend Function StringToChar(ByVal sValue As String) As Char()
      Dim cValue(sValue.Count) As Char
      For Index As Integer = 0 To sValue.Count - 1
         cValue(Index) = sValue(Index)
      Next
      Return cValue
   End Function

   Friend Function CharToString(ByVal cValue() As Char, ByVal sValue As String) As String
      sValue = String.Empty
      For Index As Integer = 0 To cValue.Count - 1
         sValue &= cValue(Index)
      Next
      Return sValue
   End Function

   Friend Function DoubleToString(ByVal dVal As Double, ByVal nNumDec As Integer) As String
      Dim sFormat As String = "F" + Math.Abs(nNumDec).ToString()
      Dim sVal As String = dVal.ToString(sFormat, CultureInfo.InvariantCulture)
      If nNumDec > 0 Then
         Return sVal.TrimEnd("0".ToCharArray()).TrimEnd(".".ToCharArray)
      Else
         Return sVal
      End If
   End Function

   Friend Function StringToDouble(ByVal sVal As String, ByRef dVal As Double) As Boolean
      Return EgtLuaEvalNumExpr(sVal, dVal)
   End Function

   Friend Function LenToString(ByVal dVal As Double, ByVal nNumDec As Integer) As String
      Return DoubleToString(EgtToUiUnits(dVal), nNumDec)
   End Function

   Friend Function StringToLen(ByVal sVal As String, ByRef dVal As Double) As Boolean
      If EgtLuaEvalNumExpr(sVal, dVal) Then
         dVal = EgtFromUiUnits(dVal)
         Return True
      Else
         Return False
      End If
   End Function

   ' restituice la riga scommentata
   Public Function FindComments(sLine As String) As String
      ' se riapplicando la lettura della riga commentata ottengo che esite almeno un # allora
      If SearchComments(sLine) Then
         If Regex.Match(sLine, "\s*##\s*(.*?\b)\s*$").Groups(1).Value.Contains("#") Then
            ' è ancora un commento, quindi restituisco una riga vuota
            Return SearchStringBeforeComments(sLine)
            Return String.Empty
         Else
            Return Regex.Match(sLine, "\s*##\s*(.*?\b)\s*$").Groups(1).Value
         End If
      Else
         ' altrimenti restituisci la stringa che precede il commento
         Return sLine
      End If
   End Function

   ' salto gli spazi vuoti finoa alla prima riga piena
   Public Function SkipWhiteSpace(Array() As String, ByRef Index As Integer) As Integer
      Array(Index) = FindComments(Array(Index))
      While String.IsNullOrWhiteSpace(Array(Index)) And Index < Array.Count - 1
         Index += 1
         Array(Index) = FindComments(Array(Index))
      End While
      Return Index
   End Function

   'Converte il valore Boolean in una stringa ON/OFF (attributo machining)
   Public Function ConvertBooleanToOnOff(bValue As Boolean) As String
      If bValue Then
         Return K_ON
      Else
         Return K_OFF
      End If
   End Function

   ' converto una stringa in boolean 
   Public Function ConvertOnOffToBoolean(sItem As String) As Boolean
      If sItem = K_ON Then
         Return True
      Else
         Return False
      End If
   End Function

   Friend Sub UpdateUI()
      ' Costringo ad aggiornare UI
      Dim nDummy As Integer
      Application.Current.Dispatcher.Invoke(Windows.Threading.DispatcherPriority.Background, _
                                             New Action(Function() nDummy = 0))
   End Sub

   Friend Function ReadMsg(sValue As String) As String
      ' se numerico
      If IsNumeric(sValue) Then
         ' ritorno il messaggio associato
         Return EgtMsg(CInt(sValue))
      Else
         ' altrimenti ritorno il nome ricevuto
         Return sValue
      End If
   End Function

   Friend Sub ClearObservableCollection(Of T)(Ob As ObservableCollection(Of T))
      For Index = Ob.Count - 1 To 0 Step -1
         Ob.RemoveAt(Index)
      Next
   End Sub
End Module

Public Class SplitConverter
   Implements IValueConverter

   Public Function Convert(value As Object, targetType As Type, parameter As Object, culture As System.Globalization.CultureInfo) As Object Implements IValueConverter.Convert
      Dim dValue As Double = CDbl(value)
      Dim nParam As Integer = CInt(parameter)
      Return dValue / nParam
   End Function

   Public Function ConvertBack(value As Object, targetType As Type, parameter As Object, culture As System.Globalization.CultureInfo) As Object Implements IValueConverter.ConvertBack
      Throw New NotImplementedException
   End Function

End Class