export interface EvmRpcOptions {
  route: string;
  publicFallback: string;
  useBaseRpc: boolean;
}

const trimSlashes = (value: string): string => value.replace(/^\/+|\/+$/g, "");

export const resolveEvmRpcUrl = (
  options: EvmRpcOptions,
  baseRpcUri: string | undefined = process.env.BASE_RPC_URI,
): string => {
  const fallback = options.publicFallback.trim();
  const base = baseRpcUri?.trim();
  if (!options.useBaseRpc || !base) return fallback;

  const normalizedBase = base.replace(/\/+$/g, "");
  const normalizedRoute = trimSlashes(options.route.trim());
  return normalizedRoute
    ? `${normalizedBase}/${normalizedRoute}/`
    : `${normalizedBase}/`;
};