<cfsetting showdebugoutput="false">
<cfsetting enablecfoutputonly="true">
<cfcontent type="application/json; charset=utf-8" reset="true">
<cfheader name="Cache-Control" value="no-store">

<cfscript>
/**
 * Get pending orders for a user at a specific business
 * Used when a beacon is detected to check if user has an order to pick up
 *
 * Query params:
 *   UserID - the user's ID
 *   BusinessID - the business ID
 *
 * Returns orders with status 1-3 (Submitted, Preparing, Ready)
 */

response = { "OK": false };

try {
    UserID = val(url.UserID ?: 0);
    BusinessID = val(url.BusinessID ?: 0);

    if (UserID LTE 0) {
        response["ERROR"] = "missing_user";
        response["MESSAGE"] = "UserID is required";
        writeOutput(serializeJSON(response));
        abort;
    }

    if (BusinessID LTE 0) {
        response["ERROR"] = "missing_business";
        response["MESSAGE"] = "BusinessID is required";
        writeOutput(serializeJSON(response));
        abort;
    }

    // Get orders with status 1 (Submitted), 2 (Preparing), or 3 (Ready)
    // These are orders that are paid but not yet completed/picked up
    qOrders = queryExecute("
        SELECT
            o.OrderID,
            o.OrderUUID,
            o.OrderTypeID,
            o.OrderStatusID,
            o.OrderSubmittedOn,
            o.OrderServicePointID,
            sp.ServicePointName,
            b.BusinessName,
            (SELECT COALESCE(SUM(oli.OrderLineItemPrice * oli.OrderLineItemQuantity), 0)
             FROM OrderLineItems oli
             WHERE oli.OrderLineItemOrderID = o.OrderID
               AND oli.OrderLineItemIsDeleted = 0
               AND oli.OrderLineItemParentOrderLineItemID = 0) as Subtotal
        FROM Orders o
        LEFT JOIN ServicePoints sp ON sp.ServicePointID = o.OrderServicePointID
        LEFT JOIN Businesses b ON b.BusinessID = o.OrderBusinessID
        WHERE o.OrderUserID = :userId
          AND o.OrderBusinessID = :businessId
          AND o.OrderStatusID IN (1, 2, 3)
        ORDER BY o.OrderSubmittedOn DESC
        LIMIT 5
    ", {
        userId: { value: UserID, cfsqltype: "cf_sql_integer" },
        businessId: { value: BusinessID, cfsqltype: "cf_sql_integer" }
    }, { datasource: "payfrit" });

    orders = [];
    for (row in qOrders) {
        statusName = "";
        switch (row.OrderStatusID) {
            case 1: statusName = "Submitted"; break;
            case 2: statusName = "Preparing"; break;
            case 3: statusName = "Ready for Pickup"; break;
        }

        orderTypeName = "";
        switch (row.OrderTypeID) {
            case 1: orderTypeName = "Dine-In"; break;
            case 2: orderTypeName = "Takeaway"; break;
            case 3: orderTypeName = "Delivery"; break;
        }

        arrayAppend(orders, {
            "OrderID": row.OrderID,
            "OrderUUID": row.OrderUUID,
            "OrderTypeID": row.OrderTypeID,
            "OrderTypeName": orderTypeName,
            "OrderStatusID": row.OrderStatusID,
            "StatusName": statusName,
            "SubmittedOn": dateTimeFormat(row.OrderSubmittedOn, "yyyy-mm-dd HH:nn:ss"),
            "ServicePointID": row.OrderServicePointID,
            "ServicePointName": len(trim(row.ServicePointName)) ? row.ServicePointName : "",
            "BusinessName": len(trim(row.BusinessName)) ? row.BusinessName : "",
            "Subtotal": row.Subtotal
        });
    }

    response["OK"] = true;
    response["ORDERS"] = orders;
    response["HAS_PENDING"] = arrayLen(orders) GT 0;

} catch (any e) {
    response["ERROR"] = "server_error";
    response["MESSAGE"] = e.message;
}

writeOutput(serializeJSON(response));
</cfscript>