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

import {
  MAX_TIMER_DELAY_MS,
  hasRemainingTimerDelay,
  resolveTimerChunkDelay,
} from '../src/utils/session-expiry-timer.ts'

const DAY_MS = 24 * 60 * 60 * 1000

test('7 天会话有效期不需要切段', () => {
  assert.equal(resolveTimerChunkDelay(7 * DAY_MS), 7 * DAY_MS)
  assert.equal(hasRemainingTimerDelay(7 * DAY_MS), false)
})

test('30 天会话有效期超过 32 位上限时切段，避免 setTimeout 溢出后立即触发', () => {
  const thirtyDays = 30 * DAY_MS
  assert.ok(thirtyDays > MAX_TIMER_DELAY_MS)
  assert.equal(resolveTimerChunkDelay(thirtyDays), MAX_TIMER_DELAY_MS)
  assert.equal(hasRemainingTimerDelay(thirtyDays), true)
})

test('刚好等于上限时不切段', () => {
  assert.equal(resolveTimerChunkDelay(MAX_TIMER_DELAY_MS), MAX_TIMER_DELAY_MS)
  assert.equal(hasRemainingTimerDelay(MAX_TIMER_DELAY_MS), false)
})

test('已过期/非法延迟按 0 处理', () => {
  assert.equal(resolveTimerChunkDelay(0), 0)
  assert.equal(resolveTimerChunkDelay(-1), 0)
  assert.equal(resolveTimerChunkDelay(Number.NaN), 0)
  assert.equal(hasRemainingTimerDelay(Number.NaN), false)
})