import { nostrService } from './nostr'
import type { ArticleDraft } from './articlePublisherTypes'

export function prepareAuthorKeys(authorPubkey: string, authorPrivateKey?: string): { success: boolean; error?: string } {
  nostrService.setPublicKey(authorPubkey)

  if (authorPrivateKey) {
    nostrService.setPrivateKey(authorPrivateKey)
    return { success: true }
  }

  const existingPrivateKey = nostrService.getPrivateKey()
  if (!existingPrivateKey) {
    return {
      success: false,
      error:
        'Private key required for signing. Please connect with a Nostr wallet that provides signing capabilities.',
    }
  }

  return { success: true }
}

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

export interface ValidationResult {
  success: false
  error: string
}

export interface ValidationSuccess {
  success: true
  authorPrivateKeyForEncryption: string
  category: NonNullable<ArticleDraft['category']>
}

export type PublishValidationResult = ValidationResult | ValidationSuccess