import assert from 'node:assert/strict'
import test from 'node:test'

import { expirationStatus, millisecondsUntil, toTimestamp } from '../src/date'

test('toTimestamp accepts seconds, milliseconds and API date strings', () => {
  assert.equal(toTimestamp(1_700_000_000), 1_700_000_000_000)
  assert.equal(toTimestamp(1_700_000_000_000), 1_700_000_000_000)
  assert.equal(toTimestamp('2026-07-17 12:30:00'), new Date('2026-07-17T12:30:00').getTime())
  assert.equal(toTimestamp('invalid'), null)
})

test('expirationStatus uses one canonical strict end-time decision', () => {
  const now = 1_700_000_000_000
  assert.equal(expirationStatus(null, now), 'missing')
  assert.equal(expirationStatus(now + 1, now), 'valid')
  assert.equal(expirationStatus(now, now), 'expired')
  assert.equal(expirationStatus(now - 1, now), 'expired')
})

test('millisecondsUntil keeps positive and negative durations', () => {
  assert.equal(millisecondsUntil(2_000, 1_000), 1_000_000)
  assert.equal(millisecondsUntil(1_000_000_000_000, 1_000_000_000_500), -500)
})