import assert from 'node:assert/strict'
import test from 'node:test'
import { randomOperationId } from '../src/utils/random-id'

const uuidV4 = /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/

test('secure context keeps the native randomUUID value', () => {
  assert.equal(
    randomOperationId({ randomUUID: () => 'native-operation-id' }),
    'native-operation-id'
  )
})

test('insecure context still returns a uuid from getRandomValues', () => {
  const insecure = {
    getRandomValues(bytes: Uint8Array) {
      crypto.getRandomValues(bytes)
      return bytes
    }
  }
  const first = randomOperationId(insecure)
  const second = randomOperationId(insecure)
  assert.match(first, uuidV4)
  assert.match(second, uuidV4)
  assert.notEqual(first, second)
  assert.ok(first.length <= 64)
})

test('missing web crypto still returns a bounded operation id', () => {
  const id = randomOperationId({})
  assert.match(id, uuidV4)
  assert.ok(id.length <= 64)
})