import type { Article } from '@/types/nostr'

/**
 * Extract presentation data from article content
 * Content format: "${presentation}\n\n---\n\nDescription du contenu :\n${contentDescription}"
 */
export function extractPresentationData(presentation: Article): {
  presentation: string
  contentDescription: string
} {
  const content = presentation.content
  const separator = '\n\n---\n\nDescription du contenu :\n'
  const separatorIndex = content.indexOf(separator)

  if (separatorIndex === -1) {
    // Fallback: return content as presentation if separator not found
    return {
      presentation: content,
      contentDescription: '',
    }
  }

  const presentationText = content.substring(0, separatorIndex)
  const contentDescription = content.substring(separatorIndex + separator.length)

  return {
    presentation: presentationText,
    contentDescription,
  }
}