import type { AuthorPresentationDraft } from './articlePublisherTypes'
import { buildPresentationEvent } from './articlePublisherHelpers'
import { generateAuthorHashId } from './hashIdGenerator'
import { buildObjectId } from './urlGenerator'
import { extractAuthorNameFromTitle, parseAuthorPresentationDraft } from './authorPresentationParsing'
import type { EventTemplate } from 'nostr-tools'

export async function buildPresentationPublishContext(params: {
  draft: AuthorPresentationDraft
  authorPubkey: string
}): Promise<{
  hash: string
  version: number
  index: number
  parsedAuthor: import('@/types/nostr').AuthorPresentationArticle
  eventTemplate: EventTemplate
}> {
  const authorName = extractAuthorNameFromTitle(params.draft.title)
  const { presentation, contentDescription } = parseAuthorPresentationDraft(params.draft)
  const category = 'sciencefiction'
  const version = 0
  const index = 0

  const hash = await generateAuthorHashId({
    pubkey: params.authorPubkey,
    authorName,
    presentation,
    contentDescription,
    mainnetAddress: params.draft.mainnetAddress ?? undefined,
    pictureUrl: params.draft.pictureUrl ?? undefined,
    category,
  })
  const id = buildObjectId(hash, index, version)

  const parsedAuthor = buildParsedAuthorPresentation({
    draft: params.draft,
    authorPubkey: params.authorPubkey,
    id,
    hash,
    version,
    index,
    presentation,
    contentDescription,
  })
  const eventTemplate = await buildPresentationEvent({ draft: params.draft, authorPubkey: params.authorPubkey, authorName, category, version, index })
  return { hash, version, index, parsedAuthor, eventTemplate }
}

function buildParsedAuthorPresentation(params: {
  draft: AuthorPresentationDraft
  authorPubkey: string
  id: string
  hash: string
  version: number
  index: number
  presentation: string
  contentDescription: string
}): import('@/types/nostr').AuthorPresentationArticle {
  return {
    id: params.id,
    hash: params.hash,
    version: params.version,
    index: params.index,
    pubkey: params.authorPubkey,
    title: params.draft.title,
    preview: params.draft.preview,
    content: params.draft.content,
    description: params.presentation,
    contentDescription: params.contentDescription,
    thumbnailUrl: params.draft.pictureUrl ?? '',
    createdAt: Math.floor(Date.now() / 1000),
    zapAmount: 0,
    paid: true,
    category: 'author-presentation',
    isPresentation: true,
    mainnetAddress: params.draft.mainnetAddress ?? '',
    totalSponsoring: 0,
    originalCategory: 'science-fiction',
    ...(params.draft.pictureUrl ? { bannerUrl: params.draft.pictureUrl } : {}),
  }
}

export async function getActiveRelaysOrPrimary(): Promise<string[]> {
  const { relaySessionManager } = await import('./relaySessionManager')
  const activeRelays = await relaySessionManager.getActiveRelays()
  if (activeRelays.length > 0) {
    return activeRelays
  }
  const { getPrimaryRelay } = await import('./config')
  return [await getPrimaryRelay()]
}