Imports System.IO
Imports DigitalData.Modules.Logging

Public Class ClassFolderwatcher
    Public Shared FWFolderWatcher As FileSystemWatcher
    Public Shared FWScan As FileSystemWatcher
    Private clsFilehandle As ClassFilehandle
    Private Logger As Logger

    Public Sub New()
        Logger = My.LogConfig.GetLogger()
        clsFilehandle = New ClassFilehandle()
    End Sub

    Public Function Restart_FolderWatch() As Boolean
        Try
            If FWFolderWatcher.EnableRaisingEvents = True Then
                'Gestartet also Stoppen
                FWFolderWatcher.EnableRaisingEvents = False
                My.Application.Globix.Folderwatchstarted = False
                'FolderWatch neu instanzieren
                FWFolderWatcher = New System.IO.FileSystemWatcher(My.Application.Globix.CurrentFolderWatchPath, "*.*")
                Logger.Info(" >> FolderWatch neu instanziert")
                FWFolderWatcher.IncludeSubdirectories = False
                FWFolderWatcher.EnableRaisingEvents = True
                AddHandler FWFolderWatcher.Created, AddressOf OnCreated
                My.Application.Globix.Folderwatchstarted = True
                'SaveConfigValue("my.Application.Globix.Folderwatchstarted", "True")
                My.UIConfig.Globix.FolderWatchStarted = True
                My.UIConfigManager.Save()
            End If
            Return True
        Catch ex As Exception
            Logger.Info($"Error in Restart_FolderWatch: {ex.Message}")
            Logger.Error(ex.Message)
            Return False
        End Try
    End Function
    Public Sub Restart_FolderWatchSCAN()
        Try
            If FWScan.EnableRaisingEvents = True Then
                'Gestartet also Stoppen
                FWScan.EnableRaisingEvents = False
                'FolderWatch neu instanzieren
                FWScan = New System.IO.FileSystemWatcher(My.Application.Globix.CURRENT_SCAN_FOLDERWATCH, "*.*")
                Logger.Info(" >> FolderWatchScan neu instanziert")
                FWScan.IncludeSubdirectories = False
                FWScan.EnableRaisingEvents = True
                AddHandler FWScan.Created, AddressOf OnCreated
                'SaveConfigValue("FWSCAN_started", "True")
                My.UIConfig.Globix.FolderWatchScanStarted = True
                My.UIConfigManager.Save()
            End If
        Catch ex As Exception
            Logger.Info($"Error in Restart_FolderWatchSCAN: {ex.Message}")
            Logger.Error(ex.Message)
        End Try
    End Sub
    Public Sub StartStop_FolderWatch()
        Try
            If FWFolderWatcher Is Nothing Then
                FWFolderWatcher = New System.IO.FileSystemWatcher(My.Application.Globix.CurrentFolderWatchPath, "*.*")
                Logger.Info(" >> FolderWatch Gestartet")
                FWFolderWatcher.IncludeSubdirectories = False
                FWFolderWatcher.EnableRaisingEvents = True
                AddHandler FWFolderWatcher.Created, AddressOf OnCreated
                My.Application.Globix.Folderwatchstarted = True
                'SaveConfigValue("my.Application.Globix.Folderwatchstarted", "True")
                My.UIConfig.Globix.FolderWatchStarted = True
                My.UIConfigManager.Save()
            End If
            If FWFolderWatcher.EnableRaisingEvents = False Then
                ' Dim watcher As New FileSystemWatcher()
                ' watcher.Path = CURRENT_FOLDERWATCH
                FWFolderWatcher = New System.IO.FileSystemWatcher(My.Application.Globix.CurrentFolderWatchPath, "*.*")
                Logger.Info(" >> FolderWatch Gestartet")
                FWFolderWatcher.IncludeSubdirectories = False
                FWFolderWatcher.EnableRaisingEvents = True
                AddHandler FWFolderWatcher.Created, AddressOf OnCreated
                My.Application.Globix.Folderwatchstarted = True
                'SaveConfigValue("my.Application.Globix.Folderwatchstarted", "True")
                My.UIConfig.Globix.FolderWatchStarted = True
                My.UIConfigManager.Save()
            Else
                'Gestartet also Stoppen
                FWFolderWatcher.EnableRaisingEvents = False
                My.Application.Globix.Folderwatchstarted = False
                Logger.Info(" >> FolderWatch gestoppt")
                'SaveConfigValue("my.Application.Globix.Folderwatchstarted", "False")
                My.UIConfig.Globix.FolderWatchStarted = False
                My.UIConfigManager.Save()
            End If
        Catch ex As Exception
            Logger.Error(ex.Message)
            MsgBox("Error in StartStop_FolderWatch:" & vbNewLine & ex.Message, MsgBoxStyle.Critical)
        End Try
    End Sub
    Public Function StartStop_FolderWatchSCAN() As Integer
        Try
            If My.Application.Globix.CURRENT_SCAN_FOLDERWATCH = "" Then
                If FWFolderWatcher.EnableRaisingEvents = True Then
                    Stop_FWSCAN()
                    Return 0
                Else
                    If My.Application.User.Language = "de-DE" Then
                        MsgBox("Bitte definieren Sie einen Überwachungsordner für Scan-Eingänge:", MsgBoxStyle.Exclamation)
                    Else
                        MsgBox("Please define a watchfolder for Scanning:", MsgBoxStyle.Exclamation)
                    End If

                    Return False
                End If
            End If
            If FWScan Is Nothing Then
                FWScan = New FileSystemWatcher(My.Application.Globix.CURRENT_SCAN_FOLDERWATCH, "*.*")
                Logger.Info(" >> FolderWatch Scan Gestartet")
                FWScan.IncludeSubdirectories = False
                FWScan.EnableRaisingEvents = True
                AddHandler FWScan.Created, AddressOf OnCreated
                My.UIConfig.Globix.FolderWatchScanStarted = True
                My.UIConfigManager.Save()
                Return 1
            End If
            If FWScan.EnableRaisingEvents = False Then
                ' Dim watcher As New FileSystemWatcher()
                ' watcher.Path = CURRENT_FOLDERWATCH
                FWScan = New System.IO.FileSystemWatcher(My.Application.Globix.CURRENT_SCAN_FOLDERWATCH, "*.*")
                Logger.Info(" >> FolderWatch Scan Gestartet")
                FWScan.IncludeSubdirectories = False
                FWScan.EnableRaisingEvents = True
                AddHandler FWScan.Created, AddressOf OnCreated
                My.UIConfig.Globix.FolderWatchScanStarted = True
                My.UIConfigManager.Save()
                Return 1
            Else
                'Gestartet also Stoppen
                FWScan.EnableRaisingEvents = False
                Logger.Info(" >> FolderWatch Scan gestoppt")
                'SaveConfigValue("FWSCAN_started", "False")
                My.UIConfig.Globix.FolderWatchScanStarted = False
                My.UIConfigManager.Save()
                Return 0
            End If

        Catch ex As Exception
            Logger.Error(ex.Message)
            MsgBox("Error in StartStop_FolderWatchSCAN:" & vbNewLine & ex.Message, MsgBoxStyle.Critical)
            Return 99
        End Try
    End Function
    Public Function Stop_FWSCAN()
        If FWFolderWatcher.EnableRaisingEvents = True Then
            'Gestartet also Stoppen
            FWFolderWatcher.EnableRaisingEvents = False
            My.Application.Globix.Folderwatchstarted = False
            Logger.Info(" >> FolderWatch gestoppt")
            'SaveConfigValue("my.Application.Globix.Folderwatchstarted", "False")
            My.UIConfig.Globix.FolderWatchStarted = True
            My.UIConfigManager.Save()
            Return True
        Else
            Return False
        End If
    End Function
    Private Sub OnCreated(source As Object, e As FileSystemEventArgs)
        Try
            If Not IsNothing(My.Application.Globix.DTEXCLUDE_FILES) Then
                For Each row As DataRow In My.Application.Globix.DTEXCLUDE_FILES.Rows
                    Dim content As String = row.Item(0).ToString.ToLower
                    If e.FullPath.ToLower.Contains(content) Then
                        Exit Sub
                    End If
                Next
            End If


            Dim handleType As String
            If e.FullPath.ToLower.EndsWith(".msg") Then
                handleType = "|FW_OUTLOOK_MESSAGE|"
            Else
                handleType = "|FW_SIMPLEINDEXER|"
            End If
            'Die Datei übergeben
            Logger.Info(">> OnCreated-File:" & e.FullPath)

            If clsFilehandle.CheckDuplicateFiles(e.FullPath, "FolderWatch/Scan") Then
                clsFilehandle.Decide_FileHandle(e.FullPath, handleType)
            Else
                Logger.Info(">> Folderwatcher: File already exists:" & e.FullPath)
            End If

        Catch ex As Exception
            Logger.Error(ex.Message)
            MsgBox(ex.Message, MsgBoxStyle.Critical, "Error in folder_watch_Created")
        End Try

    End Sub
End Class