Imports System.ComponentModel
Imports System.IO
Imports System.Xml
Imports DevExpress.XtraGrid
Imports DevExpress.XtraGrid.Views.Grid
Imports DigitalData.Controls.SQLConfig
Imports DigitalData.Modules.Config
Imports DigitalData.Modules.Database
Imports DigitalData.Modules.Logging
Imports ImporterShared
Imports ImporterShared.Documents
Imports ImporterShared.Schemas
Imports ImporterShared.Winline

Public Class frmImportMain
    Private LogConfig As LogConfig
    Private Logger As Logger
    Private ConfigManager As ConfigManager(Of ImporterShared.Config)
    Private Database As MSSQLServer
    Private Winline As Data
    Private WebService As WebService
    Private PositionData As PositionData
    Private DocumentLoader As Documents.DocumentLoader
    Private SchemaLoader As Schemas.SchemaLoader
    Private GridLoader As GridLoader

    Private Grids As List(Of GridControl)

    Private CurrentSchema As String

    Private Sub frmImportMain_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        txtVersion.Caption = String.Format(txtVersion.Caption, Application.ProductVersion)

        LogConfig = New LogConfig(LogConfig.PathType.AppData, Nothing, Nothing, "Digital Data", "EDI Document Importer")
        Logger = LogConfig.GetLogger()
        Logger.Info("EDI Document Importer, Version [{0}]", Application.ProductVersion)

        ConfigManager = New ConfigManager(Of ImporterShared.Config)(LogConfig,
            Application.UserAppDataPath,
            Application.CommonAppDataPath,
            Application.StartupPath)

        ' If ConnectionString does not exist, show SQL Config Form
        If ConfigManager.Config.ConnectionString = String.Empty Then
            Dim oForm As New frmSQLConfig(LogConfig) With {
                .FormTitle = "EDI Document Importer"
            }
            Dim oResult = oForm.ShowDialog()

            If oResult = DialogResult.OK Then
                ConfigManager.Config.ConnectionString = oForm.ConnectionString
                ConfigManager.Save()
            End If
        End If

        ' Initialize Database
        Dim oConnectionString = MSSQLServer.DecryptConnectionString(ConfigManager.Config.ConnectionString)
        Database = New MSSQLServer(LogConfig, oConnectionString)
        Winline = New Data(LogConfig, Database, ConfigManager.Config)
        WebService = New WebService(LogConfig, ConfigManager.Config)
        PositionData = New PositionData(LogConfig, Winline)

        ' Load WinLine Data
        Winline.Mandators.Clear()
        Winline.LoadMandators()
        Winline.LoadEconomicYears()
        Winline.LoadDocumentKinds(Winline.Mandators)
        For Each oMandator In Winline.Mandators
            Winline.LoadAccounts(oMandator)
        Next

        DocumentLoader = New DocumentLoader(LogConfig, Winline)
        SchemaLoader = New SchemaLoader(LogConfig)
        GridLoader = New GridLoader(LogConfig)

        SchemaLoader.LoadFiles(ConfigManager.Config.SchemaDirectory)
        CurrentSchema = SchemaLoader.SchemaList.First().FullName

        Dim oSchema = SchemaLoader.GetSchemaFromFile(CurrentSchema)
        Grids = CreateGridsAndColumns(oSchema)


    End Sub


    Private Function CreateGridsAndColumns(pSchema As Schemas.Schema) As List(Of GridControl)
        Dim oGrids As New List(Of GridControl)
        Dim oTableCounter = 0

        For Each oTable In pSchema.Tables
            If oTableCounter = 0 Then
                Dim oGrid = GridLoader.GetGridFromElement(oTable)
                AddHandler oGrid.DoubleClick, AddressOf Grid_DoubleClick
                SplitContainerControl3.Panel1.Controls.Add(oGrid)
                oGrids.Add(oGrid)
            End If

            If oTableCounter = 1 Then
                Dim oGrid = GridLoader.GetGridFromElement(oTable)
                AddHandler oGrid.DoubleClick, AddressOf Grid_DoubleClick
                SplitContainerControl3.Panel2.Controls.Add(oGrid)
                oGrids.Add(oGrid)
            End If

            If oTableCounter = 2 Then
                Dim oGrid = GridLoader.GetGridFromElement(oTable)
                AddHandler oGrid.DoubleClick, AddressOf Grid_DoubleClick
                SplitContainerControl4.Panel1.Controls.Add(oGrid)
                oGrids.Add(oGrid)
            End If

            If oTableCounter = 3 Then
                Dim oGrid = GridLoader.GetGridFromElement(oTable)
                AddHandler oGrid.DoubleClick, AddressOf Grid_DoubleClick
                SplitContainerControl4.Panel2.Controls.Add(oGrid)
                oGrids.Add(oGrid)
            End If

            If oTableCounter > 3 Then
                MsgBox("Only 4 Tables are allowed currently!", MsgBoxStyle.Exclamation, Text)
            End If

            oTableCounter += 1
        Next

        If oTableCounter < 3 Then
            SplitContainerControl2.PanelVisibility = DevExpress.XtraEditors.SplitPanelVisibility.Panel1
        End If

        Return oGrids
    End Function

    Private Sub Grid_DoubleClick(sender As Object, e As EventArgs)
        Dim oGrid As GridControl = DirectCast(sender, GridControl)
        Dim oView As GridView = DirectCast(oGrid.FocusedView, GridView)
        Dim oRow As DataRow = oView.GetDataRow(oView.FocusedRowHandle)
        Dim oColumns = oView.Columns.Select(Function(c) c.FieldName).ToList()

        Dim oForm As New frmRowEditor(oRow, oColumns)
        oForm.Showdialog()
    End Sub

    Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
        If DocumentLoader.LoadFiles(ConfigManager.Config.InputDirectory) Then
            GridControlFiles.DataSource = DocumentLoader.Files
        End If
    End Sub

    Private Sub GridViewFiles_FocusedRowChanged(sender As Object, e As Views.Base.FocusedRowChangedEventArgs) Handles GridViewFiles.FocusedRowChanged

        Dim oDocument As Document = GridViewFiles.GetRow(e.FocusedRowHandle)
        Dim oDatasources As New Dictionary(Of String, DataTable)

        For Each oRow In oDocument.Rows
            Dim oGrid As GridControl = Grids.
                Where(Function(g) g.Name = oRow.Name).
                SingleOrDefault()

            If Not oDatasources.ContainsKey(oRow.Name) Then
                Dim oTable As New DataTable()

                For Each ofield In oRow.Fields
                    oTable.Columns.Add(New DataColumn(ofield.Key))
                Next
                oDatasources.Add(oRow.Name, oTable)

                oGrid.DataSource = oTable
            End If

            Dim oDataTable = oDatasources.Item(oRow.Name)
            Dim oDataRow = oDataTable.NewRow()

            For Each oField In oRow.Fields
                oDataRow.Item(oField.Key) = oField.Value
            Next

            oDataTable.Rows.Add(oDataRow)
            oDataTable.AcceptChanges()
        Next
    End Sub

    Private Sub BarButtonItem2_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem2.ItemClick
        Dim oDocument As Document = GridViewFiles.GetRow(GridViewFiles.FocusedRowHandle)

        Using oStream As New MemoryStream()
            Dim w = XmlWriter.Create(oStream)

            w.WriteStartDocument()

            w.WriteStartElement("MESOWebService")
            w.WriteAttributeString("Template", oDocument.TemplateName)
            w.WriteAttributeString("TemplateType", oDocument.TemplateType)
            w.WriteAttributeString("option", oDocument.Option)
            w.WriteAttributeString("printVoucher", oDocument.PrintVoucher)

            For Each oRow In oDocument.Rows
                w.WriteStartElement(oRow.Name)

                For Each oField As KeyValuePair(Of String, String) In oRow.Fields
                    w.WriteStartElement(oField.Key)
                    w.WriteValue(oField.Value)
                    w.WriteEndElement() ' Field
                Next

                w.WriteEndElement() ' Row
            Next


            w.WriteEndElement() ' MESOWebService


            w.WriteEndDocument() ' Document

            w.Close()

            File.WriteAllBytes(ConfigManager.Config.OutputDirectory, oStream.ToArray)
        End Using



    End Sub
End Class