/**
 * SHA-224 bundled digest vectors; SHA-384 via Web Crypto (same as sha384sum command).
 */
import { readFileSync } from 'node:fs'
import path from 'node:path'
import { fileURLToPath } from 'node:url'
import vm from 'node:vm'
import test from 'brittle'

const __dirname = path.dirname(fileURLToPath(import.meta.url))
const sha224Lib = path.join(__dirname, '../lib/sha224.js')

function loadBareSha224() {
  const src = readFileSync(sha224Lib, 'utf8')
  const ctx = {}
  vm.createContext(ctx)
  vm.runInContext(src + '\nthis.__fn = bareSha224DigestBytes;', ctx)
  return ctx.__fn
}

test('bareSha224DigestBytes matches known vectors', async (t) => {
  const bareSha224DigestBytes = loadBareSha224()
  t.is(
    bareSha224DigestBytes(new Uint8Array(0)),
    'd14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f'
  )
  t.is(
    bareSha224DigestBytes(new TextEncoder().encode('abc')),
    '23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7'
  )
})

test('SHA-384 empty and abc via subtle.digest', async (t) => {
  const subtle = globalThis.crypto?.subtle
  if (!subtle?.digest) {
    t.pass('skip: no Web Crypto subtle')
    return
  }
  async function hex384(u8) {
    const hash = await subtle.digest('SHA-384', u8)
    return [...new Uint8Array(hash)]
      .map((b) => b.toString(16).padStart(2, '0'))
      .join('')
  }
  t.is(
    await hex384(new Uint8Array(0)),
    '38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b'
  )
  const abc = new TextEncoder().encode('abc')
  t.is(
    await hex384(abc),
    'cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7'
  )
})