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)
            Return _windreamPM.Init()

        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
            If LogErrorsOnly = False Then ClassLogger.Add(" >> license initialized....", False)

            LICENSE_PROFILES = split(2)
        Catch ex As Exception
            ClassLogger.Add("Unexpected error in Refresh license: " & ex.Message, True)
            MsgBox(ex.Message, MsgBoxStyle.Exclamation, "Fehler bei Licensemanager:")
        End Try
    End Sub
    Public Sub InitUserLogin()
        Try
            USER_USERNAME = Environment.UserName
            Dim sql = String.Format("SELECT * FROM TBDD_USER WHERE LOWER(USERNAME) = LOWER('{0}')", Environment.UserName)
            ClassLogger.Add(">> Username: " & USER_USERNAME, False)

            Dim dtUser As DataTable = ClassDatabase.Return_Datatable(sql)
            CURRENT_USER_ID = dtUser.Rows(0).Item("GUID")
            CURRENT_USER_SURNAME = dtUser.Rows(0).Item("NAME")
            CURRENT_USER_PRENAME = dtUser.Rows(0).Item("PRENAME")
            CURRENT_USER_SHORTNAME = dtUser.Rows(0).Item("SHORTNAME")
            CURRENT_USER_EMAIL = dtUser.Rows(0).Item("EMAIL")
            CURRENT_USER_LANGUAGE = dtUser.Rows(0).Item("LANGUAGE")

            If IsDBNull(CURRENT_USER_ID) Or IsNothing(CURRENT_USER_ID) Then
                USER_EXISTS = False
            Else
                USER_EXISTS = True
            End If
            If USER_EXISTS = False Then
                ClassLogger.Add("User '" & USER_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!")
                MsgBox("You are not configured in the Useradministration." & vbNewLine & "Please contact the system administrator!", MsgBoxStyle.Exclamation)
            Else
                If LogErrorsOnly = False Then ClassLogger.Add(" >> User exists....", False)
                'Am System anmelden
                Refresh_Licence()
                Check_User_Exists_in_PMGroups()

                ClassAllgemeineFunktionen.LoginOut("LOGIN")
                sql = String.Format("SELECT COUNT(*) AS Expr1 FROM TBDD_USER_MODULE_LOG_IN WHERE UPPER(MODULE) = UPPER('Process-Manager') AND CLIENT_ID = {0}", 1)
                USERCOUNT_LOGGED_IN = ClassDatabase.Execute_Scalar(sql, MyConnectionString, True)

                If LogErrorsOnly = False Then ClassLogger.Add(" >> Count Users logged in: " & 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
                        ClassAllgemeineFunktionen.LoginOut("LOGOUT")
                        ClassLogger.Add(" - Wieder abgemeldet - START INCOMPLETE", False)
                        ERROR_STATE = "START INCOMPLETE"
                    End If
                End If
                'Alles OK bis hierhin...nun die FolderwatchKonfig laden
                If LogErrorsOnly = False Then ClassLogger.Add(" >> Init Userlogin successfull completed....", False)


            End If


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

    End Sub
    Public Shared Sub InitBasics()
        Try
            Dim sql = String.Format("select * from TBPM_KONFIGURATION WHERE GUID = 1")
            CURRENT_DT_CONFIG = ClassDatabase.Return_Datatable(sql)

            sql = "select * from TBDD_CONNECTION"
            CURRENT_DT_TBDD_CONNECTION = 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
    Private Function Check_User_Exists_in_Group(ByVal Groupname As String)
        Try
            Dim sel = String.Format("select T1.* from TBDD_GROUPS T, TBDD_GROUPS_USER T1 WHERE T.GUID = T1.GROUP_ID AND T1.USER_ID = {0} AND UPPER(T.NAME) = '{1}'", CURRENT_USER_ID, Groupname)
            Dim DT As DataTable = ClassDatabase.Return_Datatable(sel)
            If Not IsNothing(DT) Then
                If DT.Rows.Count = 1 Then
                    Return True
                Else
                    Return False
                End If
            Else
                Return False
            End If
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical, "Error in CheckUserExistsinGroup:")
            Return False
        End Try
    End Function
    Private Function Check_User_Exists_in_PMGroups()
        Try
            Dim sel = String.Format("select T1.* from TBDD_GROUPS T, TBDD_GROUPS_USER T1 WHERE T.GUID = T1.GROUP_ID AND T1.USER_ID = {0} AND UPPER(T.NAME) = 'PM_USER'", CURRENT_USER_ID)
            Dim DT As DataTable = ClassDatabase.Return_Datatable(sel)
            If Not IsNothing(DT) Then
                If DT.Rows.Count = 1 Then
                    If LogErrorsOnly = False Then ClassLogger.Add(" >> User is in PM_USER-Group....", False)
                    USER_IN_MODULE = True
                Else
                    sel = String.Format("select T.* from TBDD_USER_MODULES T WHERE T.USER_ID = {0} AND T.MODULE_ID = 3", CURRENT_USER_ID)
                    DT = ClassDatabase.Return_Datatable(sel)
                    If Not IsNothing(DT) Then
                        If DT.Rows.Count = 1 Then
                            If LogErrorsOnly = False Then ClassLogger.Add(" >> Singe User-relation defined for user....", False)
                            USER_IN_MODULE = True
                        End If
                    End If
                End If
            End If
            sel = String.Format("select T1.* from TBDD_GROUPS T, TBDD_GROUPS_USER T1 WHERE T.GUID = T1.GROUP_ID AND T1.USER_ID = {0} AND UPPER(T.NAME) = 'PM_ADMINS'", CURRENT_USER_ID)
            DT = ClassDatabase.Return_Datatable(sel)

            If Not IsNothing(DT) Then
                If DT.Rows.Count = 1 Then
                    If LogErrorsOnly = False Then ClassLogger.Add(" >> User is in PM_ADMINS-Group....", False)
                    USER_IS_ADMIN = True
                    USER_IN_MODULE = True
                End If
            End If

        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical, "Error in Check_User_Exists_in_PMGroups:")
        End Try
    End Function
End Class