# ============================================================================
def to_draft_payload(
    data: dict,
    cardcode: str | None = None,
    city: str | None = None,
    county: str | None = None,
    item_catalog: dict[str, str] | None = None,
    prices: dict[str, float] | None = None,
) -> dict:
    cab = data.get("cabecera", {})
    det = data.get("detalle", [])

    doc_date = (cab.get("fecha_generacion") or "")[:10]
    due_date = (cab.get("fecha_embarque") or doc_date or "")[:10]

    resolved_cardcode = cardcode or cab.get("emisor", "")
    catalog = item_catalog or {}
    price_map = prices or {}

    comments = cab.get("condiciones_pago_texto") or cab.get("condiciones_pago") or ""
    obs = cab.get("observaciones", "")
    if obs:
        comments = (comments + " | " + obs) if comments else obs

    lines = []
    for d in det:
        codigo_upc = d.get("cod_upc", "")
        sap_item = catalog.get(codigo_upc, "")
        precio_empaque = d.get("precio_efectivo",0.00)
        sap_price = price_map.get(sap_item,0.00)
        
        #print(f" SAP Item={sap_item}")
        #print(f" Tamaño {len(sap_item)}")

        if sap_item is not None and len(sap_item)>0:
            
            lines.append({
                "ItemCode": sap_item,
                # "ItemDescription": d.get("descripcion", "") or "",
                "Quantity": d.get("cantidad_unid",0.00),
                ##"Quantity": d.get("empaques", 1),
                "MeasureUnit": "UND", #d.get("color_talla_um",""),
                ##"UnitPrice": precio_empaque,
                ##"UnitsOfMeasurment":d.get("unid_empaque", 0.00),
                "PackQuantity":d.get("empaques", 1),
                "TaxCode": "IVA",
                "LineTotal": d.get("importe",0.00),
                "FreeText": codigo_upc,
                "U_B2B_CANAL": "B2B",
            })

    shipto_payto = cab.get("emisor","") + "." + cab.get("lugar_entrega","")
 
    address_extension = {
        "BillToCity":city,
        "BillToCounty":county
    }

    payload = {
        "CardCode": resolved_cardcode,
        "DocObjectCode":"oOrders",
        "DocDate": doc_date,
        "DocDueDate": due_date,
        "TaxDate": doc_date,
        "NumAtCard": cab.get("numero_oc", "") or "",
        "ShipToCode": shipto_payto,
        "PayToCode": shipto_payto,
        "Comments": comments or "",
        "U_VENT_B2B": cab.get("emisor", "") or "",
        "DocType": "I",
        "DocumentLines": lines,
        "AddressExtension":address_extension
    }

    return payload
# ============================================================================