import type { Event } from 'nostr-tools'
import { nostrService } from './nostr'
import type { SimplePoolWithSub } from '@/types/nostr-tools-extended'
import type { Review } from '@/types/nostr'
import { parseReviewFromEvent } from './nostrEventParsing'

const RELAY_URL = process.env.NEXT_PUBLIC_NOSTR_RELAY_URL ?? 'wss://relay.damus.io'

export function getReviewsForArticle(articleId: string, timeoutMs: number = 5000): Promise<Review[]> {
  const pool = nostrService.getPool()
  if (!pool) {
    throw new Error('Pool not initialized')
  }
  const poolWithSub = pool as SimplePoolWithSub
  const filters = [
    {
      kinds: [1],
      '#article': [articleId],
      '#kind_type': ['review'],
    },
  ]

  return new Promise<Review[]>((resolve) => {
    const results: Review[] = []
    const sub = poolWithSub.sub([RELAY_URL], filters)
    let finished = false

    const done = () => {
      if (finished) {
        return
      }
      finished = true
      sub.unsub()
      resolve(results)
    }

    sub.on('event', (event: Event) => {
      const parsed = parseReviewFromEvent(event)
      if (parsed) {
        results.push(parsed)
      }
    })

    sub.on('eose', () => done())
    setTimeout(() => done(), timeoutMs).unref?.()
  })
}