#!/usr/bin/env bun

const filePath = Bun.argv[2]
const file = Bun.file(filePath)
let textContent = await file.text()
let textGroups = textContent.split("<hr />").map(g => g.trim())

textGroups = textGroups.map((g) => {
  let ret = g
  let footnote
  let i = 1
  let notes = []
  const footnotesRe = /\s?\[(?<footnote>[^\]]*)\]/
  while (ret.match(footnotesRe) !== null) {
    footnote = ret.match(footnotesRe)
    const content = footnote.groups.footnote
    ret = ret.replace(footnotesRe, `<small><sup><a href="#foot-${i}" name="sup-${i}">${i}</a></sup></small>`)
    notes.push(`<p><small><a href="#sup-${i}" name="foot-${i}">[${i}]</a> ${content.replace(' \ ', '<br />')}</small></p>`)
    i++
  }
  ret += "<br /><br />"+notes.join("\n\n")
  return ret
})
const final = textGroups.join("\n\n<hr />\n\n");
file.write(final);