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

import { formatGiftCooldownRemaining } from '../src/utils/consignment-cooldown.ts'

const MINUTE_MS = 60_000
const HOUR_MS = 3_600_000
const DAY_MS = 24 * HOUR_MS

const BASE_MS = Date.parse('2026-03-01T00:00:00.000Z')

function iso(offsetMs: number) {
  return new Date(BASE_MS + offsetMs).toISOString()
}

test('未来时间：按「X 天 Y 小时」展示剩余冷却', () => {
  const result = formatGiftCooldownRemaining(iso(2 * DAY_MS + 3 * HOUR_MS), BASE_MS)
  assert.deepEqual(result, { text: '冷却中，剩余 2 天 3 小时', finished: false })
})

test('跨天的整小时剩余省略「0 小时」', () => {
  assert.deepEqual(formatGiftCooldownRemaining(iso(3 * DAY_MS), BASE_MS), {
    text: '冷却中，剩余 3 天',
    finished: false,
  })
})

test('不足一天：按「X 小时 Y 分」展示，整小时省略「0 分」', () => {
  assert.deepEqual(formatGiftCooldownRemaining(iso(2 * HOUR_MS + 30 * MINUTE_MS), BASE_MS), {
    text: '冷却中，剩余 2 小时 30 分',
    finished: false,
  })
  assert.deepEqual(formatGiftCooldownRemaining(iso(2 * HOUR_MS), BASE_MS), {
    text: '冷却中，剩余 2 小时',
    finished: false,
  })
})

test('小于 1 小时：按分钟向上取整，不会出现「剩余 0 分」', () => {
  assert.deepEqual(formatGiftCooldownRemaining(iso(25 * MINUTE_MS), BASE_MS), {
    text: '冷却中，剩余 25 分',
    finished: false,
  })
  assert.deepEqual(formatGiftCooldownRemaining(iso(30_000), BASE_MS), {
    text: '冷却中，剩余 1 分',
    finished: false,
  })
})

test('已过期（或刚好到点）判定为冷却结束', () => {
  assert.deepEqual(formatGiftCooldownRemaining(iso(-1), BASE_MS), {
    text: '冷却已结束，可赠送',
    finished: true,
  })
  assert.deepEqual(formatGiftCooldownRemaining(iso(0), BASE_MS), {
    text: '冷却已结束，可赠送',
    finished: true,
  })
})

test('非法与空输入返回空文案且不误判为已结束', () => {
  const empty = { text: '', finished: false }
  assert.deepEqual(formatGiftCooldownRemaining(null, BASE_MS), empty)
  assert.deepEqual(formatGiftCooldownRemaining(undefined, BASE_MS), empty)
  assert.deepEqual(formatGiftCooldownRemaining('', BASE_MS), empty)
  assert.deepEqual(formatGiftCooldownRemaining('   ', BASE_MS), empty)
  assert.deepEqual(formatGiftCooldownRemaining('2026-03-01 不是时间', BASE_MS), empty)
})