import type { Event } from 'nostr-tools'
import type { Article } from '@/types/nostr'
import { createSubscription } from '@/types/nostr-tools-extended'
import { parseArticleFromEvent } from '../nostrEventParsing'
import { parsePresentationEvent } from '../articlePublisherHelpersPresentation'
import { buildTagFilter } from '../nostrTagSystem'
import { MIN_EVENT_DATE, PLATFORM_SERVICE } from '../platformConfig'
import { getPrimaryRelaySync } from '../config'

export function createArticleSubscription(params: {
  pool: import('nostr-tools').SimplePool
  limit: number
}): ReturnType<typeof createSubscription> {
  const filters = [
    { ...buildTagFilter({ type: 'publication', service: PLATFORM_SERVICE }), since: MIN_EVENT_DATE, limit: params.limit },
    { ...buildTagFilter({ type: 'author', service: PLATFORM_SERVICE }), since: MIN_EVENT_DATE, limit: params.limit },
  ]
  return createSubscription(params.pool, [getPrimaryRelaySync()], filters)
}

export async function parseArticleOrPresentationFromEvent(event: Event): Promise<Article | null> {
  try {
    let article = await parseArticleFromEvent(event)
    if (!article) {
      const presentation = await parsePresentationEvent(event)
      if (presentation) {
        article = presentation
      }
    }
    return article
  } catch (parseError) {
    console.error('[NostrService] Error parsing article:', parseError)
    return null
  }
}