import { test } from 'node:test'
import assert from 'node:assert/strict'
import { buildDownloadUrl, resolveDownloadUrl } from '../src/shared/api/download.ts'

test('test_download_url_user_id', () => {
  assert.equal(
    buildDownloadUrl('/api/dedupe/results/5/download', 42),
    '/api/dedupe/results/5/download?user_id=42',
  )
})

test('test_download_url_no_user_id', () => {
  assert.equal(buildDownloadUrl('/api/dedupe/results/5/download'), '/api/dedupe/results/5/download')
})

test('test_download_url_existing_user_id', () => {
  assert.equal(
    buildDownloadUrl('/api/dedupe/results/5/download?user_id=99', 42),
    '/api/dedupe/results/5/download?user_id=99',
    '已有 user_id 时不重复追加',
  )
})

test('test_resolve_download_fresh_priority', () => {
  const item = { freshDownloadUrl: '/newApi/api/fresh-url', downloadUrl: '/old-url' }
  assert.equal(resolveDownloadUrl(item), '/newApi/api/fresh-url')
})

test('test_resolve_download_fallback', () => {
  const item = { downloadUrl: '/newApi/api/old-url' }
  assert.equal(resolveDownloadUrl(item), '/newApi/api/old-url')
})

test('test_resolve_download_both_blank', () => {
  assert.equal(resolveDownloadUrl({}), '')
  assert.equal(resolveDownloadUrl({ freshDownloadUrl: '', downloadUrl: '' }), '')
})

test('test_download_url_query_merge', () => {
  assert.equal(
    buildDownloadUrl('/api/x/download?token=abc', 7),
    '/api/x/download?token=abc&user_id=7',
    '已有 query 应合并追加 user_id',
  )
})

test('test_resolve_download_null_safe', () => {
  assert.equal(resolveDownloadUrl(null as never), '')
  assert.equal(resolveDownloadUrl(undefined as never), '')
})