sigit.io/src/utils/file.ts

import { Meta } from '../types'
import { extractMarksFromSignedMeta } from './mark.ts'
import { addMarks, convertToPdfBlob, groupMarksByPage } from './pdf.ts'
import JSZip from 'jszip'
import { PdfFile } from '../types/drawing.ts'

const getZipWithFiles = async (
  meta: Meta,
  files: { [filename: string]: PdfFile }
): Promise<JSZip> => {
  const zip = new JSZip()
  const marks = extractMarksFromSignedMeta(meta)
  const marksByPage = groupMarksByPage(marks)

  for (const [fileName, pdf] of Object.entries(files)) {
    const pages = await addMarks(pdf.file, marksByPage)
    const blob = await convertToPdfBlob(pages)
    zip.file(`files/${fileName}`, blob)
  }

  return zip
}

export { getZipWithFiles }