glip

import net from "node:net";
import { Result$Ok, Result$Error } from "./gleam.mjs";
import { AddressFamily$Ipv4, AddressFamily$Ipv6 } from "./glip.mjs";

export function parse_ip(address) {
  switch (net.isIP(address)) {
    case 4:
      return Result$Ok({ family: AddressFamily$Ipv4(), address });
    case 6:
      return Result$Ok({ family: AddressFamily$Ipv6(), address });
    default:
      return Result$Error(undefined);
  }
}

export function to_string(ip) {
  return typeof ip == "string" ? ip : ip.address;
}

export function address_family(ip) {
  if (typeof ip == "string") {
    switch (net.isIP(ip)) {
      case 4:
        return AddressFamily$Ipv4();
      case 6:
        return AddressFamily$Ipv6();
      default:
        throw new RangeError("Not a valid IP, this should not be reached!");
    }
  } else {
    return ip.family;
  }
}

export function enrich(ip) {
  return ip instanceof String ? parse_ip(ip) : ip;
}
export function identity(val) {
  return val;
}