export type DisplayLayout = "single" | "thor-preview" | "dedicated";

export interface DisplayLayoutRequest {
  display?: string | null;
  layout?: string | null;
}

export function resolveDisplayLayout({ display, layout }: DisplayLayoutRequest): DisplayLayout {
  if (display === "top" || display === "bottom") return "dedicated";
  if (layout === "thor-preview" || layout === "dual") return "thor-preview";
  return "single";
}

export function currentDisplayLayout(search = window.location.search): DisplayLayout {
  const params = new URLSearchParams(search);
  return resolveDisplayLayout({ display: params.get("display"), layout: params.get("layout") });
}