Imports System.ComponentModel
Imports System.Globalization
Imports DLLLicenseManager
Imports DigitalData.Modules.Logging
Imports DigitalData.Modules.Config

Public Class ClassInit

    Public _lizenzManager As ClassLicenseManager

    Public Sub New()
    End Sub

    <STAThread()>
    Public Sub InitLogger()
        LOGCONFIG = New LogConfig(LogConfig.PathType.AppData)
        LOGGER = LOGCONFIG.GetLogger("ProcessManager")

        LOGGER.Info("## ProcessManager für Windream gestartet - {0}", Now)
    End Sub

    <STAThread()>
    Public Sub InitUserConfig()
        CONFIG = New ConfigManager(Of ClassConfig)(LOGCONFIG, Application.UserAppDataPath, Application.CommonAppDataPath)
        LOGGER.Info("Config loaded")

        If CONFIG.Config.ConnectionStringTest <> String.Empty And CONFIG.Config.TestMode = True Then
            LOGGER.Debug("Test Connection String loaded")
            CONNECTION_STRING = DecryptConnectionString(CONFIG.Config.ConnectionStringTest)
        Else
            LOGGER.Debug("Connection String loaded")
            CONNECTION_STRING = DecryptConnectionString(CONFIG.Config.ConnectionString)
        End If

        VIEWER_UNIVERSAL = CONFIG.Config.UniversalViewerPath
        VIEWER_XCHANGE = CONFIG.Config.XChangeViewerPath
        VIEWER_SUMATRA = CONFIG.Config.SumatraViewerPath
        VIEWER_ZOOM_LEVEL = CONFIG.Config.PDFViewerZoomLevel
        VIEWER_PDF = CONFIG.Config.PDFViewer
        VIEWER_ALL = CONFIG.Config.DefaultViewer

        INDEX_DMS_ERSTELLT = CONFIG.Config.IndexDmsErstellt
        INDEX_DMS_ERSTELLT_ZEIT = CONFIG.Config.IndexDmsErstelltZeit

        USER_MANAGER_PATH = CONFIG.Config.UserManagerPath

        LOG_ERRORS_ONLY = CONFIG.Config.LogErrorsOnly
        LOGCONFIG.Debug = Not LOG_ERRORS_ONLY
        TEST_MODE = CONFIG.Config.TestMode

        'Settings_Load()
    End Sub

    Private Function DecryptConnectionString(EncryptedConnectionString As String) As String
        Dim oBuilder As New SqlClient.SqlConnectionStringBuilder With {
            .ConnectionString = EncryptedConnectionString
        }

        If oBuilder.ConnectionString.Contains("Password=") Then
            Dim oPlaintextPassword As String
            Dim oDecryptor As New ClassEncryption("!35452didalog=")

            Try
                oPlaintextPassword = oDecryptor.DecryptData(oBuilder.Password)
            Catch ex As Exception
                LOGGER.Error(ex)
                LOGGER.Debug("Password {0} could not be decrypted. Assuming plaintext password.")
                oPlaintextPassword = oBuilder.Password
            End Try
            Return EncryptedConnectionString.Replace(oBuilder.Password, oPlaintextPassword)
        Else
            Return EncryptedConnectionString
        End If
    End Function

    <STAThread()>
    Public Function InitDatabase()
        Dim dbResult As Boolean

        If CONNECTION_STRING <> 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

    <STAThread()>
    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 LICENSE_VALID = False Then
                MsgBox("Your license has expired!" & vbNewLine & "Last valid date: " & split(1) & vbNewLine & "Please contact Your sysadmin", MsgBoxStyle.Exclamation)
                LICENSE_EXPIRED = True
                LICENSE_COUNT = 0
            End If
            LOGGER.Debug(" >> license initialized....", False)

            LICENSE_PROFILES = split(2)
        Catch ex As Exception
            LOGGER.Error(ex)
            LOGGER.Info("Unexpected error in Refresh license: " & ex.Message, True)
            MsgBox(ex.Message, MsgBoxStyle.Exclamation, "Fehler bei Licensemanager:")
        End Try
    End Sub
    <STAThread()>
    Public Sub InitUserLogin()
        Try
            USER_USERNAME = Environment.UserName
            Try
                DT_CLIENT_USER = ClassDatabase.Return_Datatable(String.Format("SELECT * FROM VWDD_USER_CLIENT WHERE UPPER(USERNAME) = UPPER('{0}')", Environment.UserName), False)
                If DT_CLIENT_USER.Rows.Count > 1 Then
                    frmClientLogin.ShowDialog()
                ElseIf DT_CLIENT_USER.Rows.Count = 1 Then
                    CLIENT_SELECTED = DT_CLIENT_USER.Rows(0).Item("CLIENT_ID")
                Else
                    '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 CLIENT"
                    '  Throw New Exception("You are not configured in the Useradministration." & vbNewLine & "Please contact the system administrator!")
                    MsgBox("You are not related to a client!" & vbNewLine & "Please contact the system administrator!", MsgBoxStyle.Exclamation)
                    Exit Sub
                End If
            Catch ex As Exception
                LOGGER.Error(ex)
                LOGGER.Info("Unexpected error in checking CLIENT: " & ex.Message)
                CLIENT_SELECTED = 1
            End Try

            LOGGER.Info(">> Username: " & USER_USERNAME, False)

            Dim sql = String.Format("SELECT * FROM [dbo].[FNDD_CHECK_USER_MODULE] ('{0}','PM',{1})", Environment.UserName, CLIENT_SELECTED)


            Dim DT_CHECKUSER_MODULE As DataTable = ClassDatabase.Return_Datatable(sql)
            If DT_CHECKUSER_MODULE.Rows.Count = 0 Then
                LOGGER.Info("DT_CHECKUSER_MODULE.Rows.Count = 0", True)

                ERROR_STATE = "NO USER"

                MsgBox("Sorry - Something went wrong in getting Your rights." & vbNewLine & "Please contact the system administrator!", MsgBoxStyle.Exclamation)
                Exit Sub
            End If


            If DT_CHECKUSER_MODULE.Rows.Count = 1 Then
                If DT_CHECKUSER_MODULE.Rows(0).Item("USER_ID") <> 0 Then
                    USER_EXISTS = True
                Else
                    USER_EXISTS = False
                End If

                USER_ID = DT_CHECKUSER_MODULE.Rows(0).Item("USER_ID")
                USER_SURNAME = IIf(IsDBNull(DT_CHECKUSER_MODULE.Rows(0).Item("USER_SURNAME")), "", DT_CHECKUSER_MODULE.Rows(0).Item("USER_SURNAME"))
                USER_PRENAME = IIf(IsDBNull(DT_CHECKUSER_MODULE.Rows(0).Item("USER_PRENAME")), "", DT_CHECKUSER_MODULE.Rows(0).Item("USER_PRENAME"))
                USER_SHORTNAME = IIf(IsDBNull(DT_CHECKUSER_MODULE.Rows(0).Item("USER_SHORTNAME")), "", DT_CHECKUSER_MODULE.Rows(0).Item("USER_SHORTNAME"))
                USER_EMAIL = IIf(IsDBNull(DT_CHECKUSER_MODULE.Rows(0).Item("USER_EMAIL")), "", DT_CHECKUSER_MODULE.Rows(0).Item("USER_EMAIL"))
                USER_LANGUAGE = DT_CHECKUSER_MODULE.Rows(0).Item("USER_LANGUAGE")

                USER_IN_MODULE = DT_CHECKUSER_MODULE.Rows(0).Item("MODULE_ACCESS")
                USER_IS_ADMIN = DT_CHECKUSER_MODULE.Rows(0).Item("IS_ADMIN")
                USER_RIGHT_FILE_DELETE = DT_CHECKUSER_MODULE.Rows(0).Item("USER_RIGHT_FILE_DEL")

                USERCOUNT_LOGGED_IN = DT_CHECKUSER_MODULE.Rows(0).Item("USERCOUNT_LOGGED_IN")

                LOGGER.Debug(" >> 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)
                sql = "DELETE FROM TBDD_USER_MODULE_LOG_IN WHERE USER_ID = " & USER_ID & " AND MODULE = 'Process-Manager'"
                ClassDatabase.Execute_non_Query(sql, True)
                LOGGER.Debug(" >> 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:")
                    LOGGER.Info(" >> 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")
                        LOGGER.Info(" - Wieder abgemeldet - START INCOMPLETE", False)
                        ERROR_STATE = "START INCOMPLETE"
                    End If
                End If
                'Alles OK bis hierhin...nun die FolderwatchKonfig laden
                LOGGER.Debug(" >> Init Userlogin successfull completed....", False)
            End If
        Catch ex As Exception
            LOGGER.Error(ex)
            LOGGER.Info("Unexpected Error in InitUserLogin: " & ex.Message, True)
            ERROR_STATE = "START INCOMPLETE"
        End Try

    End Sub
    <STAThread()>
    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)
            Settings_LoadBasicConfig()
        Catch ex As Exception
            LOGGER.Error(ex)
            LOGGER.Info("Unexpected Error in InitBasics: " & ex.Message, True)
            ERROR_STATE = "Basics not initialized"
        End Try
    End Sub
    <STAThread()>
    Private Shared Function Settings_LoadBasicConfig()
        Try
            Dim sql As String = "select * from tbdd_Modules where SHORT_NAME = 'PM'"
            Dim DT As DataTable = ClassDatabase.Return_Datatable(sql)
            If DT.Rows.Count = 1 Then
                Try
                    VERSION_DELIMITER = DT.Rows(0).Item("VERSION_DELIMITER")
                    FILE_DELIMITER = DT.Rows(0).Item("FILE_DELIMITER")
                    LICENSE_VALID = DT.Rows(0).Item("LICENSE_VALID")
                    WMSESSION_STARTSTOP_STARTUP = DT.Rows(0).Item("WMSESSION_STARTSTOP_STARTUP")
                Catch ex As Exception
                    LOGGER.Error(ex)
                    LOGGER.Info("Unexpected Error in Settings_LoadBasicConfig: " & ex.Message, True)
                End Try
            Else
                Return False
            End If
        Catch ex As Exception
            LOGGER.Error(ex)
            MsgBox("Error in Settings_LoadBasicConfig" & vbNewLine & ex.Message, MsgBoxStyle.Critical)
            Return False
        End Try
        Return True
    End Function

End Class