Imports Modules.Database
Imports Modules.Logging

Public Class FrmMain
    Private SelectedTable As Integer
    Private Logger As NLog.Logger
    Private LogWrapper As Logger
    Private DBFirebird As Firebird

    Private Sub CreateTableNodesFromDatatable(dt As DataTable)
        ' Node der Datenbank erstellen
        Dim dbNode As New TreeNode With {
            .Text = My.Settings.fbDatabaseLocation
        }

        ' Übernode für Tabellen erstellen
        Dim tablesNode As New TreeNode With {
            .Text = "Tabellen",
            .Name = "TABLES"
        }

        ' Nodes für Tabellen erstellen
        Dim tableNodeList As New List(Of TreeNode)

        For Each row As DataRow In dt.Rows
            Dim node As New TreeNode With {
                .Text = row.Item("TABLE"),
                .Tag = row.Item("TABLE_ID")
            }

            tableNodeList.Add(node)
        Next

        ' Nodes zusammenfügen
        tablesNode.Nodes.AddRange(tableNodeList.ToArray)
        dbNode.Nodes.Add(tablesNode)

        ' Nodes einhängen
        treeViewMain.Nodes.Add(dbNode)
    End Sub

    Private Function LoadTables()
        Return DBFirebird.GetDatatable("SELECT DISTINCT T.TABLE_ID,T.""TABLE"" from VWEDM_TABLE_COLUMN T")
    End Function

    Private Function DatabaseSettingsExist()
        Return My.Settings.fbDatabaseLocation <> String.Empty And My.Settings.fbDatasource <> String.Empty And My.Settings.fbUser <> String.Empty And My.Settings.fbPassword <> String.Empty
    End Function

    Private Sub Init()
        DBFirebird = New Firebird(My.Settings.fbDatasource, My.Settings.fbDatabaseLocation, My.Settings.fbUser, My.Settings.fbPassword)

        If DBFirebird.ConnectionFailed Then
            MsgBox("Database connection failed. Please check the log.", vbCritical)
            Exit Sub
        End If

        ' Get info about the logged in user
        CurrentUser = New ClassCurrentUser(DBFirebird)

        Dim dt As DataTable = LoadTables()
        CreateTableNodesFromDatatable(dt)
    End Sub



    Private Sub FrmMain_Load(sender As Object, e As EventArgs) Handles Me.Load
        LogWrapper = New Logger(ClassLogger.PathType.CurrentDirectory)

        Logger = NLog.LogManager.GetCurrentClassLogger()

        Logger.Debug("DEBUG1")
        Logger.Debug("DEBUG2")
        Logger.Debug("DEBUG3")
        LogWrapper.Debug = False
        Logger.Debug("DEBUG4")
        Logger.Debug("DEBUG5")
        Logger.Debug("DEBUG6")
        LogWrapper.Debug = True
        Logger.Debug("DEBUG7")
        Logger.Debug("DEBUG8")
        Logger.Debug("DEBUG9")


        Logger.Info("Starting EDMDesigner..")

        Logger.Error(New IO.FileNotFoundException("Central 66"), "This is Error!")

        ' Check for existing database credentials
        While Not DatabaseSettingsExist()
            Dim result As DialogResult = FrmConnection.ShowDialog()
            If result = DialogResult.OK Then
                Exit While
            End If
        End While

        Init()
    End Sub

    Private Sub TreeViewMain_NodeMouseClick(sender As Object, e As TreeNodeMouseClickEventArgs) Handles treeViewMain.NodeMouseClick
        If e.Button = MouseButtons.Right Then
            SelectedTable = -1

            ' Wenn kein Node geklickt wurde, aussteigen
            If e.Node Is Nothing OrElse e.Node.Parent Is Nothing Then
                Exit Sub
            End If

            Dim parentName As String = e.Node.Parent.Name

            ' Das Kontextmenü für den angeklickten Node öffnen
            Select Case parentName
                Case "TABLES"
                    SelectedTable = e.Node.Tag
                    contextMenuTable.Show(MousePosition)
            End Select

            treeViewMain.SelectedNode = e.Node
        End If
    End Sub

    Private Sub SpaltenBearbeitenToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles SpaltenBearbeitenToolStripMenuItem.Click
        Dim dt As DataTable = DBFirebird.GetDatatable($"SELECT * FROM VWEDM_TABLE_COLUMN WHERE TABLE_ID = {SelectedTable}")
        gridControlTableProperties.DataSource = dt
    End Sub

    Private Sub TabelleBearbeitenToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles TabelleBearbeitenToolStripMenuItem.Click

    End Sub

    Private Sub DebugAnToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles DebugAnToolStripMenuItem.Click
        LogWrapper.Debug = True
    End Sub

    Private Sub DebugAusToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles DebugAusToolStripMenuItem.Click
        LogWrapper.Debug = False
    End Sub

    Private Sub WriteDebugLogToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles WriteDebugLogToolStripMenuItem.Click
        Logger.Debug("Welcome to monkey island!")
    End Sub

    Private Sub SpamTheLogToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles SpamTheLogToolStripMenuItem.Click
        For index = 1 To 100000
            Logger.Debug("Spam No. {0}", index)
        Next
    End Sub
End Class