Imports System.ServiceModel
Imports DigitalData.Modules.Logging
Imports DigitalData.Modules.EDMI.API
Imports DevExpress.XtraEditors
Imports DevExpress.XtraEditors.Controls
Imports System.IO
Imports DigitalData.Modules.EDMI.API.EDMIServiceReference

Public Class Form1
    Private _LogConfig As LogConfig
    Private _Logger As Logger
    Private _Client As Client

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Try
            _LogConfig = New LogConfig(LogConfig.PathType.Temp, Nothing, "EDMIBenschmark")
            _Logger = _LogConfig.GetLogger()
            _Client = New Client(_LogConfig, "172.24.12.39", 9000)
            _Client.Connect()

            DocumentViewer1.Init(_LogConfig, "21182889975216572111813147150675976632")
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical, Text)
        End Try
    End Sub

    Private Sub AddLogMessage(Message As String)
        _Logger.Info(Message)
        listboxLog.Items.Add(Message)
        listboxLog.MakeItemVisible(listboxLog.Items.Count - 1)
    End Sub

    Private Sub ButtonSelectFiles_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles ButtonSelectFiles.ItemClick
        Dim oDialog As New OpenFileDialog() With {
            .Multiselect = True,
            .CheckFileExists = True
        }
        Dim oResult = oDialog.ShowDialog()

        If oResult = DialogResult.OK Then
            For Each oFileName In oDialog.FileNames
                listboxFiles.Items.Add(oFileName)
            Next
        End If
    End Sub

    Private Async Sub ButtonImportFiles_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles ButtonImportFiles.ItemClick
        Try
            Dim oFiles As New List(Of String)
            Dim oSWTotal As New Stopwatch()
            oSWTotal.Start()

            For Each oItem As String In listboxFiles.Items
                Dim oSW As New Stopwatch()
                oSW.Start()
                Dim oFileName As String = oItem
                Dim oFileInfo As New FileInfo(oFileName)

                AddLogMessage($"Importing {oFileInfo.Name}... ({FormatBytes(oFileInfo.Length)})")

                Dim oObjectId As Long = Await _Client.ImportFileAsync(oFileInfo.FullName, "WichtigesDokument", 1, 0)
                AddLogMessage($"File with Id [{oObjectId}] imported!")
                oSW.Stop()
                AddLogMessage($"Import Time: {FormatTime(oSW.ElapsedMilliseconds)}")
                AddLogMessage("")
            Next

            oSWTotal.Stop()
            AddLogMessage($"Total Time: {FormatTime(oSWTotal.ElapsedMilliseconds)}")
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical, Text)
        End Try
    End Sub

    Private Sub buttonClearLog_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles buttonClearLog.ItemClick
        listboxLog.Items.Clear()
    End Sub

    Private Sub buttonClearFiles_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles buttonClearFiles.ItemClick
        listboxFiles.Items.Clear()
    End Sub

    Public Function FormatTime(Milliseconds As Integer) As String
        If Milliseconds < 1000 Then
            Return Milliseconds & " ms"
        Else
            Return (Milliseconds / 1000) & " s"
        End If
    End Function

    Dim DoubleBytes As Double
    Public Function FormatBytes(ByVal BytesCaller As ULong) As String

        Try
            Select Case BytesCaller
                Case Is >= 1099511627776
                    DoubleBytes = CDbl(BytesCaller / 1099511627776) 'TB
                    Return FormatNumber(DoubleBytes, 2) & " TB"
                Case 1073741824 To 1099511627775
                    DoubleBytes = CDbl(BytesCaller / 1073741824) 'GB
                    Return FormatNumber(DoubleBytes, 2) & " GB"
                Case 1048576 To 1073741823
                    DoubleBytes = CDbl(BytesCaller / 1048576) 'MB
                    Return FormatNumber(DoubleBytes, 2) & " MB"
                Case 1024 To 1048575
                    DoubleBytes = CDbl(BytesCaller / 1024) 'KB
                    Return FormatNumber(DoubleBytes, 2) & " KB"
                Case 0 To 1023
                    DoubleBytes = BytesCaller ' bytes
                    Return FormatNumber(DoubleBytes, 2) & " bytes"
                Case Else
                    Return ""
            End Select
        Catch
            Return ""
        End Try

    End Function

    Private Async Sub ButtonLoadFile_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles ButtonLoadFile.ItemClick
        Try
            Dim oSWTotal As New Stopwatch()
            oSWTotal.Start()

            If TextboxObjectId.EditValue = "" Then
                MsgBox("Please enter an object id!", MsgBoxStyle.Exclamation, "Uh oh!")
            End If

            Dim oObjectId As Integer = TextboxObjectId.EditValue
            Dim oResponse As Client.StreamedFile = Await _Client.GetFileByObjectIdAsync(oObjectId)

            DocumentViewer1.LoadFile(oResponse.FileName, oResponse.Stream)

            oSWTotal.Stop()
            AddLogMessage($"File [{oResponse.FileName}] loaded: [{FormatTime(oSWTotal.ElapsedMilliseconds)}]")
        Catch ex As FaultException
            MsgBox(ex.Reason.ToString, MsgBoxStyle.Critical, "Error from Service")
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical, "Uh oh!")
        End Try
    End Sub

    Private Async Sub BarButtonItem2_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem2.ItemClick
        Try
            Dim oResult As Client.FileList = Await _Client.ListFilesForUserAsync()
            BindingSource1.DataSource = oResult.Datatable
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical, "Uh oh!")
        End Try
    End Sub

    Private Async Sub BindingSource1_CurrentChanged(sender As Object, e As EventArgs) Handles BindingSource1.CurrentChanged
        Dim oRow As DataRow = GridView1.GetFocusedDataRow()

        If oRow Is Nothing Then
            Exit Sub
        End If

        Try
            Dim oSWTotal As New Stopwatch()
            oSWTotal.Start()

            Dim oObjectId As Long = oRow.Item("IDB_OBJ_ID")
            Dim oResponse As Client.StreamedFile = Await _Client.GetFileByObjectIdAsync(oObjectId)

            DocumentViewer1.LoadFile(oResponse.FileName, oResponse.Stream)

            oSWTotal.Stop()
            AddLogMessage($"File [{oResponse.FileName}] loaded: [{FormatTime(oSWTotal.ElapsedMilliseconds)}]")
        Catch ex As FaultException
            MsgBox(ex.Reason.ToString, MsgBoxStyle.Critical, "Error from Service")
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical, "Uh oh!")
        End Try
    End Sub

    Private Async Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Timer1.Tick
        Try
            Dim oSWTotal As New Stopwatch()
            oSWTotal.Start()

            Dim oObjectId As Integer = TextboxObjectId.EditValue

            Dim oResponse As Client.StreamedFile = Await _Client.GetFileByObjectIdAsync(oObjectId)

            DocumentViewer1.LoadFile(oResponse.FileName, oResponse.Stream)

            oSWTotal.Stop()
            AddLogMessage($"File [{oResponse.FileName}] loaded: [{FormatTime(oSWTotal.ElapsedMilliseconds)}]")
        Catch ex As Exception
            AddLogMessage($"Error while getting file: [{ex.Message}]")
        End Try
    End Sub

    Private Sub BarToggleSwitchItem1_CheckedChanged(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarToggleSwitchItem1.CheckedChanged
        If BarToggleSwitchItem1.Checked Then
            If TextboxObjectId.EditValue = "" Then
                Timer1.Stop()
                MsgBox("Please set a ObjectId!", MsgBoxStyle.Critical, Text)
            Else
                Timer1.Start()
                AddLogMessage("Timer Started!")
            End If
        Else
            Timer1.Stop()
            AddLogMessage("Timer Stopped!")
        End If
    End Sub

    Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
        Process.Start(_LogConfig.LogDirectory)
    End Sub
End Class