import { contentAsText } from '../helpers.js'

const languages = ['terrace', 'json', 'yaml', 'toml', 'javascript', 'typescript', 'c', 'python', 'sh']

export default async (doc, rootLevel) => {
  const { next, level, line, head, tail, match } = doc

  const node = {
    type: head(),
    class: '',
    summaryClass: 'mb-[400px]',
    preClass: 'max-h-[400px]',
    examples: []
  }

  while (await next(rootLevel)) {
    if (match('class')) node.class = tail()
    if (match('summary-class')) node.summaryClass = tail()
    if (match('pre-class')) node.preClass = tail()

    const exampleLevel = level()
    if (languages.includes(head())) {
      node.examples.push({
        language: head(),
        name: tail() || '',
        code: (await contentAsText(doc, exampleLevel)).trimEnd('\n')
      })
    }
  }

  return node
}