import type { AuthorPresentationDraft } from './articlePublisher'

const CONTENT_SEPARATOR = '\n\n---\n\nDescription du contenu :\n'
const MAINNET_ADDRESS_LABEL = 'Adresse Bitcoin mainnet (pour le sponsoring)'

export function extractAuthorNameFromTitle(title: string): string {
  const result = title.replace(/^Présentation de /, '').trim()
  return result.length > 0 ? result : 'Auteur'
}

export function parseAuthorPresentationDraft(draft: AuthorPresentationDraft): {
  presentation: string
  contentDescription: string
} {
  const separatorIndex = draft.content.indexOf(CONTENT_SEPARATOR)
  const presentation = separatorIndex !== -1 ? draft.content.substring(0, separatorIndex) : draft.presentation
  const rawContentDescription =
    separatorIndex !== -1 ? draft.content.substring(separatorIndex + CONTENT_SEPARATOR.length) : draft.contentDescription

  return {
    presentation,
    contentDescription: stripMainnetAddressLine(rawContentDescription),
  }
}

function stripMainnetAddressLine(value: string): string {
  return value
    .split('\n')
    .filter((line) => !line.includes(MAINNET_ADDRESS_LABEL))
    .join('\n')
    .trim()
}