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_sDataDir As String = String.Empty
   Public ReadOnly Property sDataDir As String
      Get
         Return m_sDataDir
      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

   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

#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 che contiene il Db
      m_sDataDir = m_sDataRoot & "\" & DATA_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, 18, 1, m_nKeyLevel) And
                            EgtGetKeyOptions(9423, 18, 1, m_nKeyOptions)
      ' Verifico abilitazione prodotto
      Dim bProd As Boolean = GetKeyOption(KEY_OPT.OFFICE_BASE)
      ' 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)
      ' Leggo direttorio dei messaggi (se manca uso direttorio di configurazione)
      Dim sMsgDir As String = String.Empty
      If GetMainPrivateProfileString(S_GENERAL, K_MESSAGESDIR, "", sMsgDir) = 0 Then
         sMsgDir = m_sConfigDir
      End If
      ' Leggo lingua corrente
      Dim sLanguage As String = String.Empty
      GetMainPrivateProfileString(S_GENERAL, K_MESSAGES, "", sLanguage)
      ' Recupero nome file dei messaggi della lingua corrente
      Dim sMsgName As String = "EgalTechIta.txt"
      Dim nIndex As Integer = 1
      While True
         Dim ReadLanguage As Language = GetMainPrivateProfileLanguage(S_LANGUAGES, K_LANGUAGE & nIndex)
         If IsNothing(ReadLanguage) Then Exit While
         If String.Compare(ReadLanguage.Name, sLanguage, True) = 0 Then
            sMsgName = ReadLanguage.FilePath
            Exit While
         End If
         nIndex += 1
      End While
      ' Leggo file messaggi
      Dim sMsgFilePath As String = sMsgDir & "\" & sMsgName
      If Not EgtLoadMessages(sMsgFilePath) Then
         EgtOutLog("Error in EgtLoadMessages")
      End If
      ' Leggo e imposto livello utilizzatore
      m_nUserLevel = Math.Min(m_nKeyLevel, GetMainPrivateProfileInt(S_GENERAL, K_USERLEVEL, 1))
      ' Imposto dir font Nfe e font default
      Dim sNfeDir As String = String.Empty
      GetMainPrivateProfileString(S_GEOMDB, K_NFEFONTDIR, "", sNfeDir)
      Dim sDefFont As String = String.Empty
      GetMainPrivateProfileString(S_GEOMDB, K_DEFAULTFONT, "", sDefFont)
      EgtSetFont(sNfeDir, sDefFont)
      ' Creo connessione al Db
      'If Not ManageDb.ConnectToDb(m_sDataDir & "\" & DB_FILENAME) Then
      '   MessageBox.Show("Impossibile collegarsi al Db", EgtMsg(MSG_EGTMSGBOX + 15), MessageBoxButton.OK, MessageBoxImage.Error)
      '   End
      'End If
      ' 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\OmagPHOTO", 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("OmagPHOTOR32")
            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("OmagPHOTOR64")
               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