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

export default async function (doc, rootNode) {
  const node = {
    type: rootNode.head,
    variant: 'neutral',
    class: '',
    href: '',
    text: ''
  }

  const tail = rootNode.tail || ''
  const tailParts = tail.split(' ')
  const firstWord = tailParts[0]
  if (firstWord === 'primary' || firstWord === 'neutral') {
    node.variant = firstWord
    const tailText = tailParts.slice(1).join(' ')
    if (tailText) node.text = tailText
  } else {
    node.variant = 'neutral'
    if (tail) node.text = tail
  }

  for await (const child of rootNode.children()) {
    if (child.is('class')) node.class = child.tail
    else if (child.is('href')) node.href = child.tail
    else if (!node.text) {
      // If it's not a recognized attribute, treat the entire content as button text
      node.text = child.content.trim()
    }
  }

  const next = await rootNode._document._getNextNode()
  if (next && next.level > rootNode.level && !next.isEmpty() && !next.head) {
    if (!node.text) {
      node.text = await contentAsText(next, true)
    }
  } else if (next) {
    rootNode._document._pushBack(next)
  }

  return node
}