1import fs from 'fs'
2import nodemailer from 'nodemailer'
3import { getEnvConfOpt } from '../envConfF.mts'
4import { calcReqHash } from '../calcHashF.mts'
5import { withTimeout } from '../../sharedF/sleepF.mts'
6import { ensureTmpDirExists, ptTmpDir } from '../ptDiskF/ptDiskF.mts'
7import { readJsonIfExist } from '../libFs/readJsonIfExistF.mts'
8import { pathDownJoin } from '../pathF.mts'
9
10export const getAppName = () => getEnvConfOpt()?.appname ?? 'unknown'
11
12const getEtherealJsonPath = () => pathDownJoin(ptTmpDir, `${calcReqHash(getAppName() as string)}-ethereal.json`)
13
14export const clearEtherealCreds = () => {
15  fs.rmSync(getEtherealJsonPath())
16}
17
18export const getCachedEtherealCreds = async () => {
19  const path = getEtherealJsonPath()
20
21  const readJson = await readJsonIfExist(path)
22  if (readJson) return readJson
23
24  const newCreds = await withTimeout(nodemailer.createTestAccount(), 15_000)
25
26  await ensureTmpDirExists()
27  fs.writeFileSync(path, JSON.stringify(newCreds))
28
29  return newCreds
30}
31