import assert from 'node:assert/strict'
import {
  isImageFileType,
  fileExtLabel,
  formatInvoiceDateYmd,
  buildAttachItemsFromInvoiceRows,
  mergeInvoicePicksByDraftKeys
} from '../utils/bxInvoiceThumb.js'

assert.equal(isImageFileType('image/jpeg'), true)
assert.equal(isImageFileType('application/pdf'), false)
assert.equal(fileExtLabel('a.PDF'), 'PDF')
assert.equal(formatInvoiceDateYmd('2026-09-16T12:00:00'), '2026-09-16')
assert.equal(formatInvoiceDateYmd(''), '—')

const rows = [
  {
    id: 'inv1',
    amount: 100,
    createTime: '2026-09-01T10:00:00',
    attachments: [
      { id: 'a1', fileName: 'x.jpg', fileType: 'image/jpeg' },
      { id: 'a2', fileName: 'y.pdf', fileType: 'application/pdf' }
    ]
  }
]
const items = buildAttachItemsFromInvoiceRows(rows)
assert.equal(items.length, 2)
assert.equal(items[0].key, 'inv1:a1')
assert.equal(items[1].fileName, 'y.pdf')

const prev = [
  {
    key: 'inv9:a9',
    invoiceId: 'inv9',
    attachmentId: 'a9',
    amount: 9,
    createTime: '2026-08-01',
    fileName: 'old.jpg',
    fileType: 'image/jpeg',
    previewUrl: 'http://old'
  }
]
const merged = mergeInvoicePicksByDraftKeys(
  ['inv9:a9', 'inv1:a1'],
  items,
  prev
)
assert.equal(merged.length, 2)
assert.ok(merged.some((p) => p.key === 'inv9:a9' && p.previewUrl === 'http://old'))
assert.ok(merged.some((p) => p.key === 'inv1:a1'))

console.log('bxInvoiceThumb ok')