Imports System.ComponentModel
Imports System.IO
Imports DigitalData.Modules.Logging
Imports EnvelopeGenerator.Common

Partial Public Class frmEnvelopeEditor
    Public Property Envelope As Envelope
    Public Property Documents As New BindingList(Of EnvelopeDocument)
    Public Property Receivers As New BindingList(Of EnvelopeReceiver)

    Private Controller As EnvelopeEditorController
    Private Logger As Logger

    Public Property State As State

    Public Sub New()
        InitializeComponent()
    End Sub

    Private Sub btnNewFile_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnNewFile.ItemClick
        If OpenFileDialog1.ShowDialog() = DialogResult.OK Then
            Dim oDocument = Controller.CreateDocument(OpenFileDialog1.FileName)

            If oDocument IsNot Nothing Then
                Documents.Add(oDocument)
            Else
                MsgBox("Dokument konnte nicht gespeichert werden!", MsgBoxStyle.Critical, Text)
            End If
        End If
    End Sub

    Private Sub frmEditor_Load(sender As Object, e As EventArgs) Handles Me.Load
        Logger = State.LogConfig.GetLogger()

        If Envelope Is Nothing Then
            Controller = New EnvelopeEditorController(State)
        Else
            Controller = New EnvelopeEditorController(State, Envelope)
            Documents = New BindingList(Of EnvelopeDocument)(Controller.Envelope.Documents)
            Receivers = New BindingList(Of EnvelopeReceiver)(Controller.Envelope.Receivers)
            txtMessage.EditValue = Controller.Envelope.Message
            txtSubject.EditValue = Controller.Envelope.Subject
        End If

        GridDocuments.DataSource = Documents
        GridReceivers.DataSource = Receivers
    End Sub

    Private Sub frmEnvelopeEditor_FormClosing(sender As Object, e As FormClosingEventArgs) Handles Me.FormClosing
        Controller.CleanupEnvelope()
    End Sub

    Private Sub btnDeleteFile_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnDeleteFile.ItemClick
        If ViewDocuments.GetSelectedRows().Count > 0 Then
            Dim oDocument As EnvelopeDocument = DirectCast(ViewDocuments.GetFocusedRow(), EnvelopeDocument)
            If Controller.DeleteDocument(oDocument) Then
                Documents.Remove(oDocument)
            End If
        End If
    End Sub

    Private Sub btnSave_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnSave.ItemClick
        Try
            If SaveEnvelope() Then

            End If
        Catch ex As Exception
            Logger.Error(ex)
        End Try
    End Sub

    Private Sub btnEditFields_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnEditFields.ItemClick
        If ViewDocuments.GetSelectedRows().Count > 0 Then
            Dim oDocument As EnvelopeDocument = DirectCast(ViewDocuments.GetFocusedRow(), EnvelopeDocument)
            Dim oGDPictureKey As String = "21182889975216572111813147150675976632"


            If SaveEnvelope() Then
                Dim oForm As New frmFieldEditor() With {
                    .Document = Controller.Envelope.Documents.
                        Where(Function(d) d.Filename = oDocument.Filename).
                        SingleOrDefault(),
                    .GDPictureKey = oGDPictureKey,
                    .Receivers = Receivers.ToList,
                    .State = State
                }
                oForm.ShowDialog()
            End If
        End If
    End Sub

    Private Function SaveEnvelope() As Boolean
        Dim oSubject = txtSubject.EditValue?.ToString
        Dim oMessage = txtMessage.EditValue?.ToString

        ' Ensure all receivers are saved
        ViewReceivers.CloseEditor()

        Dim oEnvelope = Controller.Envelope
        oEnvelope.Subject = oSubject
        oEnvelope.Message = oMessage
        oEnvelope.Receivers = Receivers.ToList
        oEnvelope.Documents = Documents.ToList

        Dim oErrors = oEnvelope.Validate()
        If oErrors.Any Then
            Dim oError = "Fehler beim Speichern des Umschlags:" & vbNewLine & vbNewLine & String.Join(vbNewLine, oErrors)
            MsgBox(oError, MsgBoxStyle.Exclamation, Text)
            Return False
        ElseIf Controller.SaveEnvelope(oEnvelope) = False Then
            MsgBox("Fehler beim Speichern des Umschlags!", MsgBoxStyle.Critical, Text)
            Return False
        Else
            Return True
        End If
    End Function

    Private Sub RibbonControl1_Click(sender As Object, e As EventArgs) Handles RibbonControl1.Click

    End Sub

    Private Sub btnDeleteReceiver_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnDeleteReceiver.ItemClick
        If ViewReceivers.SelectedRowsCount = 0 Then
            Exit Sub
        End If

        ' TODO: Delete receivers for ALL documents

        Dim oMessage2 = "Es gibt für diesen Empfänger bereits Elemente. Wollen Sie den Empfänger trotzdem löschen?"
        Dim oMessage = "Wollen Sie den ausgewählten Empfänger löschen?"
        If MsgBox(oMessage, MsgBoxStyle.Question Or MsgBoxStyle.YesNo, Text) = MsgBoxResult.No Then
            Exit Sub
        End If

    End Sub
End Class