import { FilterSpecification } from "@maptiler/sdk";

/**
 * Creates an equality filter for Mapbox layer filtering
 * @param id - The feature ID to match
 * @returns A FilterSpecification for the given ID
 */
export const layerFilterEq = (id?: string | number) => {
  return ["==", ["id"], id ? id : ""] as FilterSpecification;
};

/**
 * Creates an inclusion filter for multiple feature IDs
 * @param ids - Array of feature IDs to include in the filter
 * @returns A FilterSpecification for the given IDs
 */
export const layerFilterIn = (ids: Array<string | number | undefined>) => {
  return ["in", ["id"], ["literal", ids]] as FilterSpecification;
};