export type MassiveDataTier = "ohlc" | "trades" | "quotes";

export function resolveMassiveDataTier(env: NodeJS.ProcessEnv = process.env): MassiveDataTier {
  const tier = (env.MASSIVE_DATA_TIER ?? "").toLowerCase();
  if (tier === "quotes" || tier === "trades" || tier === "ohlc") {
    return tier;
  }
  return "ohlc";
}