import { getNodeBySlug, getUserLifecycleState } from "@/lib/store";

export function parseHy2Userpass(auth: string) {
  const separator = auth.indexOf(":");
  if (separator <= 0 || separator === auth.length - 1) {
    return null;
  }

  return {
    username: auth.slice(0, separator),
    password: auth.slice(separator + 1),
  };
}

export async function verifyNodeToken(slug: string, token: string | null) {
  const node = await getNodeBySlug(slug);
  if (!node) {
    return { ok: false, reason: "node_not_found" as const, node: null };
  }

  if (!node.enabled) {
    return { ok: false, reason: "node_disabled" as const, node };
  }

  if (!token || token !== node.auth_token) {
    return { ok: false, reason: "node_token_invalid" as const, node };
  }

  return { ok: true, reason: "ok" as const, node };
}

export function evaluateUserForAuth(user: {
  enabled: number;
  expires_at: string | null;
  traffic_limit_bytes: number | null;
  used_tx_bytes: number;
  used_rx_bytes: number;
}) {
  return getUserLifecycleState(user);
}