from typing import Any, Dict

INVOICE_BASE_TYPE = 13  # ObjType clásico de Sales Invoice (oInvoices) en SAP B1


def construir_delivery(invoice: Dict[str, Any], stock_transfer: Dict[str, Any], store_config: Dict[str, Any]) -> Dict[str, Any]:
    """
    Arma el JSON para POST DeliveryNotes con la Invoice de reserva como base
    (BaseType/BaseEntry/BaseLine). Solo se entregan los ítems que
    efectivamente se transfirieron en este fulfillment (StockTransferLines),
    emparejados con la línea correspondiente de la Invoice por ItemCode.
    """
    invoice_lines_por_sku = {line["ItemCode"]: line for line in invoice["DocumentLines"]}

    document_lines = []
    for st_line in stock_transfer["StockTransferLines"]:
        inv_line = invoice_lines_por_sku[st_line["ItemCode"]]
        document_lines.append(
            {
                "ItemCode": st_line["ItemCode"],
                "Quantity": st_line["Quantity"],
                "WarehouseCode": inv_line["WarehouseCode"],
                "BaseType": INVOICE_BASE_TYPE,
                "BaseEntry": invoice["DocEntry"],
                "BaseLine": inv_line["LineNum"],
            }
        )

    return {
        "CardCode": invoice.get("CardCode"),
        "CardName": invoice.get("CardName"),
        "Comments": invoice.get("NumAtCard"),
        "DocDate": invoice["DocDate"][:10],
        "Series": store_config["sap"]["numbering_series"]["DELIVERY"],
        "U_ShopifyOrderId": invoice.get("U_ShopifyOrderId"),
        "U_ShopifyStore": invoice.get("U_ShopifyStore"),
        "DocumentLines": document_lines,
    }