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

<cfscript>
/**
 * Get the user's active cart (status=0) if one exists
 * Optionally filter by BusinessID to check for cart at specific business
 */

param name="url.UserID" type="numeric" default=0;
param name="url.BusinessID" type="numeric" default=0;

if (url.UserID == 0) {
    writeOutput(serializeJSON({
        "OK": false,
        "ERROR": "UserID is required"
    }));
    abort;
}

// Build query with optional business filter
sql = "
    SELECT
        o.ID as OrderID,
        o.UUID as OrderUUID,
        o.BusinessID,
        b.Name as BusinessName,
        o.OrderTypeID,
        COALESCE(ot.Name, 'Undecided') as OrderTypeName,
        o.ServicePointID,
        COALESCE(sp.Name, '') as ServicePointName,
        (SELECT COUNT(*) FROM OrderLineItems oli
         WHERE oli.OrderID = o.ID AND oli.ParentOrderLineItemID = 0 AND oli.IsDeleted = 0) as ItemCount
    FROM Orders o
    INNER JOIN Businesses b ON b.ID = o.BusinessID
    LEFT JOIN tt_OrderTypes ot ON ot.ID = o.OrderTypeID
    LEFT JOIN ServicePoints sp ON sp.ID = o.ServicePointID
    WHERE o.UserID = :userId
      AND o.StatusID = 0
";

params = [{ name: "userId", value: url.UserID, cfsqltype: "integer" }];

if (url.BusinessID > 0) {
    sql &= " AND o.BusinessID = :businessId";
    params.append({ name: "businessId", value: url.BusinessID, cfsqltype: "integer" });
}

sql &= " ORDER BY o.AddedOn DESC LIMIT 1";

query name="qCart" datasource="#request.ds#" {
    writeOutput(sql);
    for (p in params) {
        cfqueryparam(value=p.value, cfsqltype=p.cfsqltype);
    }
}

if (qCart.recordCount == 0) {
    writeOutput(serializeJSON({
        "OK": true,
        "HAS_CART": false,
        "CART": javacast("null", "")
    }));
    abort;
}

writeOutput(serializeJSON({
    "OK": true,
    "HAS_CART": true,
    "CART": {
        "OrderID": qCart.OrderID,
        "OrderUUID": qCart.OrderUUID,
        "BusinessID": qCart.BusinessID,
        "BusinessName": qCart.BusinessName,
        "OrderTypeID": qCart.OrderTypeID,
        "OrderTypeName": qCart.OrderTypeName,
        "ServicePointID": qCart.ServicePointID,
        "ServicePointName": qCart.ServicePointName,
        "ItemCount": qCart.ItemCount
    }
}));
</cfscript>