Imports DevExpress.Utils.Extensions
Imports DevExpress.XtraSplashScreen
Imports DevExpress.XtraCharts
Imports DigitalData.GUIs.Common
Imports DigitalData.Modules.Base
Imports DigitalData.Modules.Config
Imports DigitalData.Modules.Database
Imports DigitalData.Modules.Logging
Imports EnvelopeGenerator.Common
Imports EnvelopeGenerator.Common.My
Imports DevExpress.Charts.Native
Imports DevExpress.XtraGrid.Views.Grid
Imports DevExpress.XtraGrid

Public Class frmMain
    Private LogConfig As LogConfig
    Private Logger As Logger
    Private Database As MSSQLServer
    Private ConfigManager As ConfigManager(Of Config)
    Private TempFiles As TempFiles
    Private FormHelper As FormHelper
    Private GridBuilder As GridBuilder
    Private RefreshHelper As RefreshHelper

    Private State As State
    Private Controller As EnvelopeListController

    Private Sub frmMain_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Dim oLogPath = IO.Path.Combine(Application.LocalUserAppDataPath, "Log")
        LogConfig = New LogConfig(LogConfig.PathType.CustomPath, oLogPath, CompanyName:="Digital Data", ProductName:="Envelope Generator")
        Logger = LogConfig.GetLogger()
        FormHelper = New FormHelper(LogConfig, Me)
        TempFiles = New TempFiles(LogConfig)
        TempFiles.Create()
        RefreshHelper = New RefreshHelper(ViewEnvelopes, "Id")

        Try
            ConfigManager = New ConfigManager(Of Config)(LogConfig, Application.UserAppDataPath)

            If ConfigManager.Config.ConnectionString = String.Empty Then
                Dim oSQLConfig As New frmSQLConfig(LogConfig)
                If oSQLConfig.ShowDialog() = DialogResult.OK Then
                    ConfigManager.Config.ConnectionString = oSQLConfig.ConnectionString
                    ConfigManager.Save()
                    Application.Restart()
                Else
                    FormHelper.ShowErrorMessage(New ApplicationException("No Database configured. Application will close!"), "Form Load")
                    Application.Exit()

                End If
            End If

            Dim oConnectionString = MSSQLServer.DecryptConnectionString(ConfigManager.Config.ConnectionString)
            Database = New MSSQLServer(LogConfig, oConnectionString)

            State = New State With {
                .UserId = 0,
                .Config = ConfigManager.Config,
                .DbConfig = New DbConfig(),
                .LogConfig = LogConfig,
                .Database = Database
            }

            If Database.DBInitialized = True Then
                Dim ConfigModel = New ConfigModel(State)
                State.DbConfig = ConfigModel.LoadConfiguration()
                State.UserId = ConfigModel.GetUserId()
            End If

            If Not String.IsNullOrEmpty(State.DbConfig.ExternalProgramName) Then
                Me.Text = State.DbConfig.ExternalProgramName
            End If

            Controller = New EnvelopeListController(State)

            LoadEnvelopeData()

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

    End Sub

    Private Sub LoadEnvelopeData()
        RefreshHelper.SaveViewInfo()
        LoadEnvelopes()
        LoadCompletedEnvelopes()
        RefreshHelper.LoadViewInfo()

        'LoadCharts()
        txtRefreshLabel.Caption = String.Format(txtRefreshLabel.Tag, Now)
    End Sub


    Private Sub LoadEnvelopes()
        GridBuilder = New GridBuilder(ViewEnvelopes)
        GridBuilder.SetDefaults(ViewEnvelopes)
        GridBuilder.SetReadOnlyOptions(ViewEnvelopes)

        GridEnvelopes.DataSource = Controller.ListEnvelopes()
    End Sub

    Private Sub LoadCompletedEnvelopes()
        GridBuilder = New GridBuilder(ViewCompleted)
        GridBuilder.SetDefaults(ViewCompleted)
        GridBuilder.SetReadOnlyOptions(ViewCompleted)

        GridCompleted.DataSource = Controller.ListCompleted()
    End Sub

    Private Sub LoadCharts()
        Dim oChartControl As ChartControl = Controller.GetPieChart()
        Me.SplitContainerControl1.Panel2.AddControl(oChartControl)
    End Sub

    Private Sub btnCreateEnvelope_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnCreateEnvelope.ItemClick
        Dim oHandle = SplashScreenManager.ShowOverlayForm(Me)
        Try
            Dim oForm As New frmEnvelopeEditor() With {.State = State}
            oForm.ShowDialog()
            LoadEnvelopeData()

        Catch ex As Exception
            Logger.Error(ex)
        Finally
            SplashScreenManager.CloseOverlayForm(oHandle)
        End Try
    End Sub

    Private Sub btnEditEnvelope_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnEditEnvelope.ItemClick
        Dim oSelectedRows = ViewEnvelopes.GetSelectedRows()
        If oSelectedRows.Count > 0 Then
            LoadEnvelope(oSelectedRows.First)
        End If
    End Sub

    Private Sub LoadEnvelope(pRowHandle As Integer)
        Dim oHandle = SplashScreenManager.ShowOverlayForm(Me)
        Try
            Dim oEnvelope As Envelope = DirectCast(ViewEnvelopes.GetRow(pRowHandle), Envelope)

            If oEnvelope.IsAlreadySent Then
                Exit Sub
            End If

            Dim oForm As New frmEnvelopeEditor() With {.State = State, .Envelope = oEnvelope}
            oForm.ShowDialog()
            LoadEnvelopeData()

        Catch ex As Exception
            Logger.Error(ex)
        Finally
            SplashScreenManager.CloseOverlayForm(oHandle)
        End Try
    End Sub

    Private Sub DeleteEnvelope(pRowHandle As Integer)
        Dim oEnvelope As Envelope = ViewEnvelopes.GetRow(pRowHandle)

        If MsgBox(Resources.Envelope.Do_you_really_want_to_delete_this_envelope, MsgBoxStyle.Question Or MsgBoxStyle.YesNo, Text) = MsgBoxResult.No Then
            Exit Sub
        End If

        If Controller.DeleteEnvelope(oEnvelope) Then
            LoadEnvelopeData()
        Else
            MsgBox(Resources.Envelope.The_envelope_could_not_be_deleted, MsgBoxStyle.Critical, Text)
        End If
    End Sub

    Private Sub ViewEnvelopes_DoubleClick(sender As Object, e As EventArgs) Handles ViewEnvelopes.DoubleClick
        Dim oSelectedRows = ViewEnvelopes.GetSelectedRows()
        If oSelectedRows.Count > 0 Then
            LoadEnvelope(oSelectedRows.First)
        End If
    End Sub

    Private Sub btnDeleteEnvelope_ItemClick_1(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnDeleteEnvelope.ItemClick
        Dim oSelectedRows = ViewEnvelopes.GetSelectedRows()
        If oSelectedRows.Count > 0 Then
            DeleteEnvelope(oSelectedRows.First)
        End If
    End Sub

    Private Sub frmMain_FormClosing(sender As Object, e As FormClosingEventArgs) Handles MyBase.FormClosing
        ' Cleanup Methods
        TempFiles.CleanUp()
    End Sub

    Private Sub XtraTabControl1_SelectedPageChanged(sender As Object, e As DevExpress.XtraTab.TabPageChangedEventArgs) Handles XtraTabControl1.SelectedPageChanged
        Select Case XtraTabControl1.SelectedTabPageIndex
            Case 1
                btnEditEnvelope.Enabled = False
            Case 0
                btnEditEnvelope.Enabled = True
        End Select
    End Sub

    Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
        LoadEnvelopeData()
    End Sub

    Private Sub ViewEnvelopes_FocusedRowChanged(sender As Object, e As DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs) Handles ViewEnvelopes.FocusedRowChanged
        Dim oEnvelope As Envelope = ViewEnvelopes.GetRow(ViewEnvelopes.FocusedRowHandle)

        If oEnvelope.IsAlreadySent Then
            btnEditEnvelope.Enabled = False
        Else
            btnEditEnvelope.Enabled = True
        End If
    End Sub

    Private Sub ViewEnvelopes_CustomDrawCell(sender As Object, e As DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs) Handles ViewEnvelopes.CustomDrawCell
        If e.RowHandle < 0 Then
            Exit Sub
        End If

        Dim oEnvelope As Envelope = ViewEnvelopes.GetRow(e.RowHandle)
        If oEnvelope.Status = Common.Constants.EnvelopeStatus.EnvelopePartlySigned Then
            e.Appearance.BackColor = ColorTranslator.FromHtml(Common.Constants.GREEN_300)
        End If

        If oEnvelope.Status = Common.Constants.EnvelopeStatus.EnvelopeQueued Or oEnvelope.Status = Common.Constants.EnvelopeStatus.EnvelopeSent Then
            e.Appearance.BackColor = ColorTranslator.FromHtml(Common.Constants.ORANGE_300)
        End If
    End Sub

    Private Sub ViewReceivers_CustomDrawCell(sender As Object, e As DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs) Handles ViewReceivers.CustomDrawCell
        If e.RowHandle < 0 Then
            Exit Sub
        End If

        Dim oView As GridView = DirectCast(sender, GridView)
        Dim oReceiver As EnvelopeReceiver = oView.GetRow(e.RowHandle)

        If (oReceiver Is Nothing) Then
            Exit Sub
        End If

        If oReceiver.Status = Common.Constants.ReceiverStatus.Signed Then
            e.Appearance.BackColor = ColorTranslator.FromHtml(Common.Constants.GREEN_300)
        Else
            e.Appearance.BackColor = ColorTranslator.FromHtml(Common.Constants.RED_300)
        End If
    End Sub

    Private Sub RefreshTimer_Tick(sender As Object, e As EventArgs) Handles RefreshTimer.Tick
        LoadEnvelopeData()
    End Sub

    Private Sub btnContactReceiver_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnContactReceiver.ItemClick
        Dim oView As GridView = GridEnvelopes.FocusedView
        If oView.Name = ViewReceivers.Name Then
            Console.Write("")
            Dim oReceiver As EnvelopeReceiver = oView.GetRow(oView.FocusedRowHandle)
            Process.Start($"mailto:{oReceiver.Email}")
        Else
            MsgBox("Bitte wählen Sie einen Empfänger aus dem Reiter Empfänger aus.", MsgBoxStyle.Information, Text)
        End If
    End Sub
End Class