DEF VAR i1 AS INT NO-UNDO.
DEF VAR WW AS DEC NO-UNDO.
DEF VAR Proz AS DEC NO-UNDO INIT 100.00.
DEF VAR FakBetr AS DEC NO-UNDO.
DEF VAR nTotNebenkosten AS DEC NO-UNDO DECIMALS 2.
DEF VAR nRestNebenkosten AS DEC NO-UNDO DECIMALS 2.
DEF VAR iFaktNebenkosten AS INT NO-UNDO.
DEF VAR htMwstCalc AS HANDLE NO-UNDO.
DEF VAR lNebenkosten AS LOG NO-UNDO INIT TRUE.

DEF TEMP-TABLE tMwstCalc
    FIELD Mwst_Cd       AS INT
    FIELD Ansatz        AS DEC
    FIELD Inkl          AS LOG
    FIELD Fakbetr       AS DEC DECIMALS 2
    FIELD Brutto        AS DEC DECIMALS 2
    FIELD Netto         AS DEC DECIMALS 2
    FIELD Mwst          AS DEC DECIMALS 2
    FIELD Faktor        AS INT
    FIELD ProzAnteil    AS DEC DECIMALS 2
    FIELD VerpAnteil    AS DEC DECIMALS 2
    FIELD AbsBrutto     AS DEC DECIMALS 2
    FIELD AbsNetto      AS DEC DECIMALS 2
    FIELD AbsMwst       AS DEC DECIMALS 2
    .
DEF BUFFER btMwstCalc FOR tMwstCalc.

htMwstCalc = TEMP-TABLE tMwstCalc:DEFAULT-BUFFER-HANDLE.

FIND Aufko NO-LOCK
    WHERE Aufko.Firma = '1010'
    AND   Aufko.Aufnr = 2661110.
    
DO i1 = 1 TO 12:
    IF Aufko.WPfl[i1] = 0 THEN NEXT.
    CREATE  tMwstCalc.
    IF i1 < 12 THEN
    DO:
        FIND LAST MwstAns NO-LOCK
            WHERE MwstAns.Firma     = '1010'
            AND   MwstAns.Lkz       = 'zzz'
            AND   MwstAns.MwstCd    = i1
            AND   MwstAns.Ab_Datum <= TODAY.
        ASSIGN
            tMwstCalc.Mwst_Cd   = i1
            tMwstCalc.Faktor    = (IF Aufko.Wpfl[i1] >= 0 THEN 1 ELSE -1)
            tMwstCalc.Ansatz    = MwstAns.Ansatz
            tMwstCalc.Inkl      = MwstAns.Inkl
            tMwstCalc.Fakbetr   = Aufko.Tot-Betr.
        IF NOT tMwstCalc.Inkl THEN
        DO:
            ASSIGN
                tMwstCalc.Brutto    = Aufko.Wpfl[i1] + Aufko.Wust[i1]
                tMwstCalc.Netto     = Aufko.Wpfl[i1]
                tMwstCalc.Mwst      = Aufko.Wust[i1].
        END.
        ELSE DO:
            ASSIGN 
                tMwstCalc.Brutto    = Aufko.Wpfl[i1]
                tMwstCalc.Mwst      = tMwstCalc.Brutto * tMwstCalc.Ansatz / (100 + tMwstCalc.Ansatz)
                tMwstCalc.Netto     = tMwstCalc.Brutto - tMwstCalc.Mwst.
        END.
        ASSIGN
            tMwstCalc.AbsBrutto = ABS(tMwstCalc.Brutto)
            tMwstCalc.AbsNetto  = ABS(tMwstCalc.Netto )
            tMwstCalc.AbsMwst   = ABS(tMwstCalc.Mwst  )
            tMwstCalc.ProzAnt   = 0.0.
        ww = ww + tMwstCalc.AbsNetto.
    END.
    ELSE
    DO:
        ASSIGN
            tMwstCalc.Mwst_Cd   = 999
            tMwstCalc.Faktor    = (IF Aufko.Wpfl[i1] >= 0 THEN 1 ELSE -1)
            tMwstCalc.Ansatz    = 0.0
            tMwstCalc.Inkl      = FALSE
            tMwstCalc.Fakbetr   = 0
            tMwstCalc.Brutto    = Aufko.Verp
            tMwstCalc.Netto     = Aufko.Verp
            tMwstCalc.Mwst      = 0
            tMwstCalc.AbsBrutto = ABS(Aufko.Verp)
            tMwstCalc.AbsNetto  = ABS(Aufko.Verp)
            tMwstCalc.AbsMwst   = 0
            tMwstCalc.ProzAnt   = 0.
    END.
END.

FIND FIRST btMwstCalc WHERE btMwstCalc.Mwst_Cd = 999 NO-ERROR.
IF NOT AVAILABLE btMwstCalc THEN DO:
    FakBetr = FakBetr + tMwstCalc.Netto + tMwstCalc.Mwst.
    lNebenkosten = FALSE.
END.

DO WHILE lNebenkosten:
    nRestNebenkosten = btMwstCalc.Netto.
    nTotNebenkosten  = btMwstCalc.AbsNetto.
    iFaktNebenkosten = btMwstCalc.Faktor.

    FOR EACH tMwstCalc
        WHERE tMwstCalc.Mwst_Cd < 999
        BREAK
        BY tMwstCalc.Mwst_Cd:
        
        IF LAST(tMwstCalc.Mwst_Cd) THEN
        DO:
            tMwstCalc.ProzAnt = Proz.
            tMwstCalc.VerpAnt = nRestNebenkosten.
            tMwstCalc.Netto   = tMwstCalc.Netto  + tMwstCalc.VerpAnt.
            tMwstCalc.Mwst    = tMwstCalc.Netto  * tMwstCalc.Ansatz / 100.
            tMwstCalc.Brutto  = tMwstCalc.Netto  + tMwstCalc.Mwst.
        END.
        ELSE DO:
            tMwstCalc.ProzAnt = tMwstCalc.AbsNetto * 100 / ww.
            tMwstCalc.VerpAnt = nTotNebenkosten    * tMwstCalc.ProzAnt / 100 * iFaktNebenkosten.
            tMwstCalc.Netto   = tMwstCalc.Netto    + tMwstCalc.VerpAnt.
            tMwstCalc.Mwst    = tMwstCalc.Netto    * tMwstCalc.Ansatz / 100.
            tMwstCalc.Brutto  = tMwstCalc.Netto    + tMwstCalc.Mwst.
            Proz              = Proz               - tMwstCalc.ProzAnt.
            nRestNebenkosten  = nRestNebenkosten   - tMwstCalc.VerpAnt.
        END.
        FakBetr = FakBetr + tMwstCalc.Netto + tMwstCalc.Mwst.
        btMwstCalc.Fakbetr = Fakbetr.
    END.
    LEAVE.
END.
OUTPUT TO 'C:\TEMP\tMwstCalc.csv'.
DO i1 = 1 TO htMwstCalc:NUM-FIELDS:
    PUT CONTROL htMwstCalc:BUFFER-FIELD(i1):LABEL ';'.
END.
PUT CONTROL CHR(10).
FOR EACH tMwstCalc:
    EXPORT DELIMITER ';' tMwstCalc.
END.
OUTPUT CLOSE.