Imports System.ComponentModel
Imports DLLLicenseManager

Public Class ClassInit
    Private _windreamPM As ClassPMWindream
    Public _lizenzManager As ClassLicenseManager
    Public Sub New()
    End Sub

    Public Sub InitLogger()
        ClassLogger.Init("", Environment.UserName)
        ClassLogger.Add("## ProcessManager für Windream gestartet - " & Now, False)
        If LogErrorsOnly = False Then
            'Setzt DetailLog zurück
            LogErrorsOnly = False = False
            My.Settings.Save()
        End If
        'Throw New Exception("Dummy Fehler!")
    End Sub
    Public Sub InitUserConfig()
        Settings_Load()
    End Sub

    Public Function InitDatabase()
        Dim dbResult As Boolean

        If MyConnectionString <> String.Empty Then
            dbResult = ClassDatabase.Init()
        Else
            MsgBox("No Databaseconnection configured. (First Start or Appdata not accessible)" & vbNewLine & "Basic-Config will be loaded.", MsgBoxStyle.Information)
            ERROR_STATE = "NO DB-CONNECTION"
            frmKonfig.ShowDialog()
            dbResult = ClassDatabase.Init()
        End If

        If dbResult = False Then
            ERROR_STATE = "FAILED DBCONNECTION"
            MsgBox("Error in init database. (Connection failed) More information in the logfile.", MsgBoxStyle.Critical)
            Return False
        Else
            Return True
        End If
    End Function
    Public Function InitWindream()
        Try
            ' Windream instanziieren
            _windreamPM = New ClassPMWindream()
            'Windream initialisieren (Connection, Session, ... aufbauen)
            _windreamPM.Init()
            Return True
        Catch ex As Exception
            MsgBox("Fehler bei Initialisieren von windream: " & vbNewLine & ex.Message, MsgBoxStyle.Critical, "Achtung:")
            Return False
        End Try
    End Function
    Sub Refresh_Licence()
        Try
            Me._lizenzManager = New ClassLicenseManager("#DigitalData35452!#", "")
            Dim lic As String = CURRENT_DT_CONFIG.Rows(0).Item("LIZENZEN") ' ClassDatabase.Execute_Scalar("SELECT LIZENZEN FROM TBPM_KONFIGURATION WHERE (GUID = 1)", MyConnectionString)
            Dim licString = Me._lizenzManager.DecodeLicenseKey(lic)
            Dim split() = licString.ToString.Split("#")

            If lic <> "" Then
                LICENSE_COUNT = split(0)
            Else
                LICENSE_COUNT = 0
            End If
            If CDate(split(1)) <= CDate(Now.ToShortDateString) Then
                MsgBox("Ihre Lizenz ist abgelaufen!" & vbNewLine & "Letztes Gültigkeitsdatum: " & split(1) & vbNewLine & "Die Lizenzanzahl wird auf 0 gesetzt" & vbNewLine & "Bitte setzen Sie sich mit Digital Data in Verbindung", MsgBoxStyle.Exclamation)
                LICENSE_EXPIRED = True
                LICENSE_COUNT = 0
            End If


            LICENSE_PROFILES = split(2)
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Exclamation, "Fehler bei Licensemanager:")
        End Try
    End Sub
    Public Sub InitUserLogin()
        Try
            Dim sql = String.Format("SELECT MAX(GUID) FROM TBPM_USER WHERE LOWER(USERNAME) = LOWER('{0}')", Environment.UserName)
            ClassLogger.Add(">> Username: " & Environment.UserName, False)

            CURRENT_USERID = ClassDatabase.Execute_Scalar(sql, MyConnectionString, True)
            If IsDBNull(CURRENT_USERID) Then
                ClassLogger.Add("User '" & Environment.UserName & "' not configured in Useradministration! (DBNull)", True)
                'MsgBox("Achtung: Sie sind nicht in der Userverwaltung hinterlegt." & vbNewLine & "Bitte setzen Sie sich mit dem Systembetreuer in Verbindung!", MsgBoxStyle.Critical, "Achtung:")
                'Me.Close()
                ERROR_STATE = "NO USER"
                Throw New Exception("You are not configured in the Useradministration." & vbNewLine & "Please contact the system administrator!")
            Else
                If IsNothing(CURRENT_USERID) Then
                    ClassLogger.Add(" - User: " & Environment.UserName & " ' not configured in Useradministration! (nothing)", False)
                    ERROR_STATE = "NO USER"
                    Throw New Exception("You are not configured in the Useradministration." & vbNewLine & "Please contact the system administrator!")
                Else
                    'Am System anmelden
                    Refresh_Licence()
                    Dim sql1 = "SELECT COUNT(GUID) FROM TBPM_PROFILE"
                    Dim anz = ClassDatabase.Execute_Scalar(sql1, MyConnectionString, True)
                    If anz > LICENSE_PROFILES Then
                        MsgBox("Your amount of configurable profiles is limited to " & LICENSE_PROFILES.ToString & " profiles. You can not add more profiles!" & vbNewLine & "Please contact Digital Data for further licensedetails", MsgBoxStyle.Information)
                    End If

                    sql = String.Format("UPDATE TBPM_USER SET LOGGED_IN = 1, LOGGED_WHERE = '{0}' WHERE GUID = {1}", Environment.MachineName, CURRENT_USERID)
                    ClassDatabase.Execute_non_Query(sql)

                    sql = String.Format("SELECT ADMIN FROM TBPM_USER WHERE GUID = {0}", CURRENT_USERID)
                    USER_IS_ADMIN = ClassDatabase.Execute_Scalar(sql, MyConnectionString, True)

                    sql = "SELECT COUNT(*) AS Expr1 FROM TBPM_USER WHERE LOGGED_IN = 1"
                    USERCOUNT_LOGGED_IN = ClassDatabase.Execute_Scalar(sql, MyConnectionString, True)
                    If LogErrorsOnly = False Then ClassLogger.Add(" >> Anzahl Angemeldete User: " & USERCOUNT_LOGGED_IN.ToString, False)
                    If LICENSE_COUNT < USERCOUNT_LOGGED_IN And LICENSE_EXPIRED = False Then
                        MsgBox("Die Anzahl der aktuell angemeldeten User (" & USERCOUNT_LOGGED_IN.ToString & ") überschreitet die Anzahl der aktuellen Lizenzen!" & vbNewLine & "Anzahl der Lizenzen: " & LICENSE_COUNT.ToString & vbNewLine & "Bitte setzen Sie sich mit dem Systembetreuer in Verbindung!", MsgBoxStyle.Critical, "Achtung:")
                        ClassLogger.Add(" >> Die Anzahl der aktuell angemeldeten User (" & USERCOUNT_LOGGED_IN.ToString & ") überschreitet die Anzahl der Lizenzen (" & LICENSE_COUNT & ") für Process Manager!", False)
                        If USER_IS_ADMIN = False Then
                            'Anmeldung wieder herausnehmen
                            sql = String.Format("UPDATE TBPM_USER SET LOGGED_IN = 0, LOGGED_WHERE = '' WHERE GUID = {0}", CURRENT_USERID)
                            ClassDatabase.Execute_non_Query(sql, True)
                            ClassLogger.Add(" - Wieder abgemeldet", False)
                            ERROR_STATE = "START INCOMPLETE"
                        End If
                    End If
                    'Alles OK bis hierhin...nun die FolderwatchKonfig laden

                End If
            End If
        Catch ex As Exception
            ClassLogger.Add("Unexpected Error in InitUserLogin: " & ex.Message, True)
            ERROR_STATE = "START INCOMPLETE"
        End Try

    End Sub
    Public Sub InitBasics()
        Try
            Dim sql = String.Format("select * from TBPM_KONFIGURATION WHERE GUID = 1")
            CURRENT_DT_CONFIG = ClassDatabase.Return_Datatable(sql)
        Catch ex As Exception
            ClassLogger.Add("Unexpected Error in InitBasics: " & ex.Message, True)
            ERROR_STATE = "Basics not initialized"
        End Try
    End Sub
End Class