import { nostrService } from '../nostr'
import type { ArticleDraft } from '../articlePublisher'
import { writeOrchestrator } from '../writeOrchestrator'

export function ensureKeys(authorPubkey: string, authorPrivateKey?: string): void {
  nostrService.setPublicKey(authorPubkey)
  if (authorPrivateKey) {
    nostrService.setPrivateKey(authorPrivateKey)
  } else if (!nostrService.getPrivateKey()) {
    throw new Error('Private key required for signing. Connect a wallet that can sign.')
  }
}

export function requireCategory(category?: ArticleDraft['category']): asserts category is NonNullable<ArticleDraft['category']> {
  if (category !== 'science-fiction' && category !== 'scientific-research') {
    throw new Error('Vous devez sélectionner une catégorie (science-fiction ou recherche scientifique).')
  }
}

export async function ensurePresentation(authorPubkey: string): Promise<string> {
  const { articlePublisher } = await import('../articlePublisher')
  const presentation = await articlePublisher.getAuthorPresentation(authorPubkey)
  if (!presentation) {
    throw new Error('Vous devez créer un article de présentation avant de publier des articles.')
  }
  return presentation.id
}

export function mapDraftCategoryToTag(category: NonNullable<ArticleDraft['category']>): 'sciencefiction' | 'research' {
  return category === 'science-fiction' ? 'sciencefiction' : 'research'
}

export function getPrivateKeyForSigning(authorPrivateKey: string | undefined): string {
  const privateKey = authorPrivateKey ?? nostrService.getPrivateKey()
  if (!privateKey) {
    throw new Error('Private key required for signing')
  }
  writeOrchestrator.setPrivateKey(privateKey)
  return privateKey
}