import { document } from '../../../implementations/js/packages/core/src/terrace.js'
import fs from 'node:fs'
import readline from 'node:readline/promises'
import markdown from '../../../packages/js/block-markdown/index.js'

async function main() {
  const mdHandler = markdown({})

  const it = readline.createInterface({
    input: fs.createReadStream('./test.tce', 'utf-8'),
  })[Symbol.asyncIterator]()

  const doc = document(async () => (await it.next()).value)

  async function mainHandler({ line, lineData, ended, next, current }, page) {
    if (ended) return page

    if (line.startsWith('markdown')) {
      lineData.offset = 'markdown'.length
      page.body += await mdHandler(current(), mainHandler)
      lineData.offset = 0
      return mainHandler(current(), page)
    }

    return mainHandler(await next(), page)
  }

  console.log(await mainHandler(await doc.next(), { body: '' }))
}

main()