Imports System.Threading
Imports System.Math
Imports EgtUILib
Imports EgtWPFLib5

Public Class MainWindowM

#Region "FIELDS"

   Private m_sDataRoot As String = String.Empty
   Friend ReadOnly Property sDataRoot As String
      Get
         Return m_sDataRoot
      End Get
   End Property

   Private m_sConfigDir As String = String.Empty
   Public ReadOnly Property sConfigDir As String
      Get
         Return m_sConfigDir
      End Get
   End Property

   Private m_nDebug As Integer = 0

   Private m_objMutex As Mutex

   Private m_bFirstInstance As Boolean = False
   Friend ReadOnly Property bFirstInstance As Boolean
      Get
         Return m_bFirstInstance
      End Get
   End Property

   Private m_nInstance As Integer = 0
   Friend ReadOnly Property nInstance As Integer
      Get
         Return m_nInstance
      End Get
   End Property

   Private m_nUserLevel As Integer = 1
   Friend ReadOnly Property nUserLevel As Integer
      Get
         Return m_nUserLevel
      End Get
   End Property

   Private m_nKeyLevel As Integer = 0
   Friend ReadOnly Property nKeyLevel As Integer
      Get
         Return m_nKeyLevel
      End Get
   End Property

   Private m_nKeyOptions As UInteger = 0
   Friend ReadOnly Property nKeyOptions As Integer
      Get
         Return m_nKeyOptions
      End Get
   End Property

   Friend ReadOnly Property sVersion As String
      Get
         Return My.Application.Info.Version.Major.ToString() & "." &
                My.Application.Info.Version.Minor.ToString() &
                (ChrW(97 - 1 + My.Application.Info.Version.Build)).ToString() &
                My.Application.Info.Version.Revision.ToString()
      End Get
   End Property

   Private m_sTempDir As String
   Friend ReadOnly Property sTempDir As String
      Get
         Return m_sTempDir
      End Get
   End Property
   Private m_sLogFile As String
   Friend ReadOnly Property sLogFile As String
      Get
         Return m_sLogFile
      End Get
   End Property

   Private m_sLogDir As String
   Friend ReadOnly Property sLogDir As String
      Get
         Return m_sLogDir
      End Get
   End Property

#End Region    ' FIELDS

#Region "CONSTRUCTOR"

   Sub New()
      InitializeEgtEnvironment()
   End Sub

#End Region    ' CONSTRUCTOR

#Region "METHODS"

   Private Sub InitializeEgtEnvironment()
      ' Impostazione path radice per i dati
      m_sDataRoot = System.AppDomain.CurrentDomain.BaseDirectory
      If EgtUILib.GetPrivateProfileString(S_DATA, K_DATAROOT, "", m_sDataRoot, m_sDataRoot & "\" & DAT_FILE_NAME) = 0 Then
         m_sDataRoot = System.AppDomain.CurrentDomain.BaseDirectory
      End If
      ' Impostazione direttorio di configurazione
      m_sConfigDir = m_sDataRoot & "\" & CONF_DIR
      ' Impostazione direttorio per file temporanei
      m_sTempDir = m_sDataRoot & "\" & TEMP_DIR
      ' Impostazione direttorio per backup
      m_sLogDir = m_sDataRoot & "\" & LOG_DIR
      ' Impostazione path Ini file
      IniFile.m_sIniFile = m_sConfigDir & "\" & INI_FILE_NAME
      ' Verifico indice di istanza
      ManageInstance()
      ' Imposto tipo di chiave
      EgtSetLockType(KEY_TYPE.HW)
      ' Leggo e imposto chiave di protezione
      Dim sLicFileName As String = String.Empty
      GetMainPrivateProfileString(S_GENERAL, K_LICENCE, LIC_FILE_NAME, sLicFileName)
      Dim sLicFile As String = m_sConfigDir & "\" & sLicFileName
      Dim sKey As String = String.Empty
      EgtUILib.GetPrivateProfileString(S_LICENCE, K_KEY, "", sKey, sLicFile)
      EgtSetKey(sKey)
      ' Recupero livello e opzioni della chiave
      Dim bKey As Boolean = EgtGetKeyLevel(9423, 19, 1, m_nKeyLevel) And
                            EgtGetKeyOptions(9423, 19, 1, m_nKeyOptions)
      ' Verifico abilitazione prodotto
      Dim bProd As Boolean = GetKeyOption(KEY_OPT.MAN_MANIP) And GetKeyOption(KEY_OPT.AUTO_MANIP) And GetKeyOption(KEY_OPT.PROCUCTION_LINE)
      ' Inizializzazione generale di EgtInterface
      m_nDebug = GetMainPrivateProfileInt(S_GENERAL, K_DEBUG, 0)
      m_sLogFile = m_sTempDir & "\" & GENLOG_FILE_NAME.Replace("#", m_nInstance.ToString())
      Dim sLogMsg As String = "User " & Environment.MachineName & "\" & Environment.UserName & " (" & m_nInstance.ToString() & ")" & vbLf &
                              My.Application.Info.Title.ToString() & " ver. " &
                              My.Application.Info.Version.Major.ToString() &
                              "." & My.Application.Info.Version.Minor.ToString() &
                              (ChrW(97 - 1 + My.Application.Info.Version.Build)).ToString() &
                              My.Application.Info.Version.Revision.ToString()
      EgtInit(m_nDebug, m_sLogFile, sLogMsg)
      EgtSetTempDir(m_sTempDir)
      EgtSetIniFile(IniFile.m_sIniFile)
      ' Verifiche
      If Not bProd Then
         If m_nKeyLevel = -1 Or m_nKeyLevel = -2 Then
            MessageBox.Show("Missing Protection Key. Insert Dongle and restart the program", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
         Else
            MessageBox.Show("Program without licence. Load Licence and restart the program.", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
         End If
         End
      End If
      ' Leggo e imposto livello utilizzatore
      m_nUserLevel = Math.Min(m_nKeyLevel, GetMainPrivateProfileInt(S_GENERAL, K_USERLEVEL, 1))
      ' Info su opzioni chiave
      EgtOutLog("KeyOptions : " & bKey.ToString() & " " & m_nKeyOptions.ToString() & " " & bProd.ToString())
   End Sub

   Private Sub ManageInstance()
      Dim bCreated As Boolean
      Try
         m_objMutex = New Mutex(False, "Global\OmagVIEWPlus", bCreated)
      Catch
         bCreated = False
      End Try
      m_bFirstInstance = bCreated
      If bCreated Then
         ' Prima istanza
         m_nInstance = 1
         ' Aggiorno stato istanze attive
         WriteMainPrivateProfileString(S_GENERAL, K_INSTANCES, m_nInstance.ToString())
      Else
         ' Leggo il massimo numero di istanze ammesse
         Const MAX_INST As Integer = 32
         Dim nMaxInst As Integer = GetMainPrivateProfileInt(S_GENERAL, K_MAXINST, 1)
         nMaxInst = Max(1, Min(nMaxInst, MAX_INST))
         ' Cerco il primo indice di istanza libero
         Dim nTmp As Integer = GetMainPrivateProfileInt(S_GENERAL, K_INSTANCES, 0)
         m_nInstance = 1
         Dim nMask As Integer = 1
         While (nTmp And nMask) <> 0 And m_nInstance < MAX_INST
            m_nInstance += 1
            nMask *= 2
         End While
         ' Se l'indice supera il massimo
         If m_nInstance > nMaxInst Then
            ' porto in primo piano la prima istanza
            Dim bFound As Boolean = False
            ' processi del programma a 32 bit
            Dim localProc As Process() = Process.GetProcessesByName("OmagVIEWPlusR32")
            For Each p As Process In localProc
               If p.Id <> Process.GetCurrentProcess().Id Then
                  bFound = True
                  ShowWindow(p.MainWindowHandle, 1)
                  Exit For
               End If
            Next
            ' se non trovati processi a 32 bit provo a 64 bit
            If Not bFound Then
               localProc = Process.GetProcessesByName("OmagVIEWPlusR64")
               For Each p As Process In localProc
                  If p.Id <> Process.GetCurrentProcess().Id Then
                     bFound = True
                     ShowWindow(p.MainWindowHandle, SW.RESTORE)
                     Exit For
                  End If
               Next
            End If
            ' esco dal programma
            End
         End If
         ' Aggiorno stato istanze attive
         nTmp += (1 << (m_nInstance - 1))
         WriteMainPrivateProfileString(S_GENERAL, K_INSTANCES, nTmp.ToString())
      End If
   End Sub

   Friend Function GetKeyOption(nKeyOpt As KEY_OPT) As Boolean
      Return ((m_nKeyOptions And nKeyOpt) <> 0)
   End Function

   Friend Sub Close()
      ' Terminazione generale di EgtInterface
      EgtExit()
      ' Rilascio mutex
      If Not IsNothing(m_objMutex) Then m_objMutex.Close()
      ' Aggiorno istanze usate
      Dim nTmp As Integer = GetMainPrivateProfileInt(S_GENERAL, K_INSTANCES, 0)
      nTmp -= (1 << (m_nInstance - 1))
      WriteMainPrivateProfileString(S_GENERAL, K_INSTANCES, nTmp.ToString())
   End Sub

#End Region    ' METHODS

End Class