import { danger, info, logVerbose, shouldLogVerbose, warn } from "../globals.js";

import { runExec } from "../process/exec.js";

import { defaultRuntime, type RuntimeEnv } from "../runtime.js";

import { asDateTimestampMs, resolveExpiresAtMsFromDurationMs } from "../shared/number-coercion.js";

import { asNullableObjectRecord as readRecord } from "../shared/record-coerce.js";

import {

normalizeLowercaseStringOrEmpty,

}

function readCachedWhois(ip: string, now: number): TailscaleWhoisIdentity | null | undefined {

const validNow = asDateTimestampMs(now);

if (validNow === undefined) {

return undefined;

}

const cached = whoisCache.get(ip);

if (!cached) {

return undefined;

}

if (cached.expiresAt <= now) {

const expiresAt = asDateTimestampMs(cached.expiresAt);

if (expiresAt === undefined || expiresAt <= validNow) {

whoisCache.delete(ip);

return undefined;

}

return cached.value;

}

function writeCachedWhois(ip: string, value: TailscaleWhoisIdentity | null, ttlMs: number) {

whoisCache.set(ip, { value, expiresAt: Date.now() + ttlMs });

function writeCachedWhois(ip: string, value: TailscaleWhoisIdentity | null, ttlMs: number): void {

const expiresAt = resolveExpiresAtMsFromDurationMs(ttlMs);

if (expiresAt !== undefined) {

whoisCache.set(ip, { value, expiresAt });

}

}

export async function readTailscaleWhoisIdentity(