Imports System.Reflection

Public Class cTrips
    Dim vpasql As New VERAG_PROG_ALLGEMEIN.SQL

    Property tripNr As String = ""
    Property trip_Aufträge As DataTable = Nothing '() As List(Of String)
    Property trip_Transporter As String = ""
    Property trip_FilNr As Integer = Nothing
    Property trip_Datum As Date
    Property trip_start As String = ""
    Property trip_end As String = ""

    Dim LoadString As String = "SELECT * FROM dbo.tblTrips WHERE trip_tripNr = '{0}'"
    Dim LoadAufträgeString As String = "SELECT 
atr_id, atr_frachtpos, atr_FilialenNr, atr_TransportauftragArt, atr_frachtf_firma, atr_frachtfAb_firma,
case 
	when atr_TransportauftragArt = 'NACH' then atr_frachtfab_firma
    when atr_TransportauftragArt = 'VOR' then atr_frachtf_firma
	when atr_TransportauftragArt = '' and atr_AuftragsArt = 'Transport' then '--na--'
	when atr_AuftragsArt = 'Handling' then '-'
end as Frächter,
atr_ladest_firma, atr_entladest_firma, atr_tripNr, atr_tripStopNr
FROM tblAuftraege WHERE atr_tripNr = '{0}' ORDER BY atr_tripStopNr"
    Dim SaveAufträgeString As String = "UPDATE tblAuftraege SET atr_tripStopNr = '{0}' WHERE atr_tripNr = '{1}' AND atr_frachtpos = '{2}'"
    Dim TripsUpdateString As String = "UPDATE tblTrips SET {0} WHERE trip_tripNr = '{1}'"

    Function getparameterlist() As List(Of SQLVariable)
        Dim list As New List(Of SQLVariable)
        list.Add(New SQLVariable("trip_tripNr", tripNr))
        'Aufträge sind nicht Teil des Tables
        list.Add(New SQLVariable("trip_Transporter", trip_Transporter))
        list.Add(New SQLVariable("trip_FilNr", trip_FilNr))
        list.Add(New SQLVariable("trip_Datum", trip_Datum))
        list.Add(New SQLVariable("trip_start", trip_start))
        list.Add(New SQLVariable("trip_end", trip_end))
        Return list
    End Function

    Function LoadTrip(Optional ByVal overrideTripNr As Integer = -1)
        Dim TripNummer As New Integer
        If overrideTripNr = -1 Then
            TripNummer = Me.tripNr
        Else
            TripNummer = overrideTripNr
        End If
        Dim dt As New DataTable
        dt = vpasql.loadDgvBySql(String.Format(LoadString, TripNummer), "DISPO")
        If dt.Rows.Count > 0 Then
            For Each c As DataColumn In dt.Columns
                Dim propInfo As PropertyInfo = Me.GetType.GetProperty(c.ColumnName)
                If propInfo IsNot Nothing Then
                    If Not IsDBNull(c.Table.Rows(0).Item(c)) Then
                        propInfo.SetValue(Me, c.Table.Rows(0).Item(c))
                    End If
                End If
            Next
        Else
            Return False
            Exit Function
        End If
        LoadTripAuftraege()
        Return True
    End Function

    Function SaveTripAsNew()
        tripNr = CreateNewTripNr()
        LoadTripAuftraege()
        getStartAndEnd()

        Dim Spalten As String = ""
        Dim Werte As String = ""
        Dim List As List(Of SQLVariable) = getparameterlist()

        For Each i In List
            Spalten &= i.SQLText & ","
            Werte &= "'" & i.SQLValue.replace("'", "") & "',"
        Next

        Spalten = Spalten.Substring(0, Spalten.Length - 1)
        Werte = Werte.Substring(0, Werte.Length - 1)

        Dim sqlstring As String = "INSERT INTO dbo.tblTrips (" & Spalten & ") VALUES (" & Werte & ")"

        vpasql.doSQLVarList(sqlstring, "DISPO")

    End Function

    Function CreateNewTripNr()
        Dim dt As New DataTable
        dt = vpasql.loadDgvBySql("SELECT MAX(trip_tripNr) as maxtrip from dbo.tblTrips", "DISPO")

        Dim maxtrip As Integer = vpasql.VarToDbl(dt.Rows(0).Item(0))
        If Not maxtrip = -1 Then
            Return maxtrip + 1
            tripNr = maxtrip + 1
        Else
            Return 0
            tripNr = 0
        End If
    End Function

    Function CreateNextStop()
        Dim dt As New DataTable
        dt = vpasql.loadDgvBySql("SELECT MAX(atr_tripStopNr) as maxtripStopNr from dbo.tblAuftraege WHERE atr_tripNr = '" & Me.tripNr & "'", "DISPO")

        Dim maxtripstop As Integer = vpasql.VarToDbl(dt.Rows(0).Item(0))
        If Not maxtripstop = -1 Then
            Return maxtripstop + 1
        Else
            Return 0
        End If
    End Function

    Function DeleteTrip()
        If MsgBox("Trip komplett löschen?", MsgBoxStyle.OkCancel, "Trip löschen!") = MsgBoxResult.Cancel Then Exit Function
        For Each row As DataRow In trip_Aufträge.Rows
            RemoveAuftragFromTrip(row.Item("atr_ID"), True)
        Next

    End Function


    Function RemoveAuftragFromTrip(ByVal AufID As Integer, Optional ByVal Silent As Boolean = False)

        LoadTripAuftraege()
        If trip_Aufträge.Rows.Count = 1 Then
            If Not Silent Then If MsgBox("Letzer Auftrag des Trips! Trip wird mit Bestätigung ebenfalls gelöscht!", MsgBoxStyle.OkCancel, "Letzter Auftrag!") = MsgBoxResult.Cancel Then Exit Function
            vpasql.doSQLVarList("delete from tblTrips where trip_tripNr = '" & Me.tripNr & "'", "DISPO")
        End If

        Dim sqlstring As String = "update tblAuftraege set atr_tripNr = null, atr_tripStopNr = null where atr_id = '" & AufID & "' "
        vpasql.doSQLVarList(sqlstring, "DISPO")
    End Function

    Function LoadTripAuftraege()
        trip_Aufträge = vpasql.loadDgvBySql(String.Format(LoadAufträgeString, Me.tripNr), "DISPO")
    End Function

    Function SaveTripAuftraege()
        For Each row As DataRow In trip_Aufträge.Rows
            vpasql.doSQL(String.Format(SaveAufträgeString, row.Item("atr_tripStopNr").ToString, row.Item("atr_tripNr").ToString, row.Item("atr_frachtpos").ToString), "DISPO")
        Next
        getStartAndEnd()
        update()
    End Function

    Function update()
        Dim UpdateString As String = ""
        Dim WhereString As String = ""
        Dim list As List(Of SQLVariable) = getparameterlist()
        For Each i In list
            If Not i.SQLText = "trip_tripNr" Then UpdateString &= "[" & i.SQLText & "]='" & i.SQLValue & "',"
        Next
        UpdateString = UpdateString.Substring(0, UpdateString.Length - 1) 'wg. ','

        vpasql.doSQL(String.Format(TripsUpdateString, UpdateString, tripNr), "DISPO")
    End Function

    Function getStartAndEnd()
        trip_start = trip_Aufträge.Rows(0).Item("atr_ladest_firma").ToString
        trip_end = trip_Aufträge.Rows(trip_Aufträge.Rows.Count - 1).Item("atr_entladest_firma").ToString

        'Select Case trip_Aufträge.Rows(0).Item("atr_TransportauftragArt").ToString
        '    Case "NACH"
        '        trip_Transporter = trip_Aufträge.Rows(0).Item("atr_frachtfAb_firma").ToString
        '    Case "VOR"
        '        trip_Transporter = trip_Aufträge.Rows(0).Item("atr_frachtf_firma").ToString
        '    Case Else
        '        trip_Transporter = "---"
        'End Select

        trip_Transporter = trip_Aufträge.Rows(0).Item("Frächter").ToString

    End Function

End Class
'atr_frachtf_firma, atr_frachtfAb_firma