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

import { canDownloadCollectDataItem } from '../src/shared/collect-download.ts'

interface Item {
  success?: boolean | null
  downloadUrl?: string | null
  taskStatus?: string | null
}

test('collectdata downloadable when success and url present', () => {
  assert.equal(canDownloadCollectDataItem({ success: true, downloadUrl: 'https://dl.example/a.xlsx' }), true)
})

test('collectdata not downloadable without url', () => {
  assert.equal(canDownloadCollectDataItem({ success: true }), false)
  assert.equal(canDownloadCollectDataItem({ success: true, downloadUrl: null }), false)
  assert.equal(canDownloadCollectDataItem({ success: true, downloadUrl: '' }), false)
})

test('collectdata failed task not downloadable', () => {
  assert.equal(canDownloadCollectDataItem({ success: false, downloadUrl: 'https://dl.example/a.xlsx' }), false)
})

test('collectdata url must be non-blank to be valid', () => {
  assert.equal(canDownloadCollectDataItem({ success: true, downloadUrl: '   ' }), false)
  assert.equal(canDownloadCollectDataItem({ success: true, downloadUrl: 'https://x' }), true)
})

test('collectdata progress display fields do not include file phase', () => {
  const item: Item = { success: false, taskStatus: 'RUNNING' }
  assert.equal('fileStatus' in item, false, 'collectdata 无 file 阶段字段（与后端 VO 自洽）')
  assert.equal('fileReady' in item, false)
  assert.equal('fileProgressPercent' in item, false)
})

test('collectdata semantics frozen', () => {
  assert.equal(canDownloadCollectDataItem(undefined), false)
  assert.equal(canDownloadCollectDataItem(null), false)
  assert.equal(canDownloadCollectDataItem({}), false)
  assert.equal(canDownloadCollectDataItem({ success: true, downloadUrl: 'x', taskStatus: 'SUCCESS' }), true)
})