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

import { buildLocalBatchPrintHtml } from '../src/utils/localBatchPrint.ts'

const extractStyleBlock = (html: string) => {
  const match = html.match(/<style>([\s\S]*?)<\/style>/)
  return match?.[1] || ''
}

test('本地批量打印会为每张标签生成独立分页容器', () => {
  const html = buildLocalBatchPrintHtml(
    ['data:image/png;base64,ZmFrZS0x', 'data:image/png;base64,ZmFrZS0y', 'data:image/png;base64,ZmFrZS0z'],
    {
      widthMm: 60,
      heightMm: 40
    }
  )

  const pageCount = (html.match(/class="print-page"/g) || []).length
  const imageCount = (html.match(/class="qrcode-image"/g) || []).length

  assert.equal(pageCount, 3, '每张标签都应拥有自己的分页容器')
  assert.equal(imageCount, 3, '每张标签都应输出一张独立图片')
})

test('本地批量打印不再把 html/body 锁死为单页高度', () => {
  const html = buildLocalBatchPrintHtml(['data:image/png;base64,ZmFrZS0x'], {
    widthMm: 60,
    heightMm: 40
  })

  const styles = extractStyleBlock(html)
  const htmlBodyBlock = styles.match(/html, body\s*\{([\s\S]*?)\}/)?.[1] || ''
  const printPageBlock = styles.match(/\.print-page\s*\{([\s\S]*?)\}/)?.[1] || ''

  assert.doesNotMatch(htmlBodyBlock, /overflow\s*:\s*hidden/i)
  assert.doesNotMatch(htmlBodyBlock, /height\s*:\s*40mm/i)
  assert.match(printPageBlock, /break-after\s*:\s*page/i)
  assert.match(printPageBlock, /page-break-after\s*:\s*always/i)
})