import { nostrService } from './nostr'
import { getZapReceiptId } from './paymentPollingZapReceipt'
import { sendPrivateContentAfterPayment } from './paymentPollingMain'

/**
 * Poll for payment completion via zap receipt verification
 * After payment is confirmed, sends private content to the user
 */
async function pollPaymentUntilDeadline(
  params: {
    articleId: string
    articlePubkey: string
    amount: number
    recipientPubkey: string
    interval: number
    deadline: number
  }
): Promise<boolean> {
  try {
    const zapReceiptExists = await nostrService.checkZapReceipt(params.articlePubkey, params.articleId, params.amount, params.recipientPubkey)
    if (zapReceiptExists) {
      const zapReceiptId = await getZapReceiptId(params.articlePubkey, params.articleId, params.amount, params.recipientPubkey)
      await sendPrivateContentAfterPayment(params.articleId, params.recipientPubkey, params.amount, zapReceiptId)
      return true
    }
  } catch (error) {
    console.error('Error checking zap receipt:', error)
  }

  if (Date.now() > params.deadline) {
    return false
  }

  return new Promise<boolean>((resolve) => {
    setTimeout(() => {
      void pollPaymentUntilDeadline(params)
        .then(resolve)
        .catch(() => resolve(false))
    }, params.interval)
  })
}

export async function waitForArticlePayment(
  params: {
    paymentHash: string
    articleId: string
    articlePubkey: string
    amount: number
    recipientPubkey: string
    timeout?: number
  }
): Promise<boolean> {
  const interval = 2000
  const timeout = params.timeout ?? 300000
  const deadline = Date.now() + timeout
  try {
    return pollPaymentUntilDeadline({
      articleId: params.articleId,
      articlePubkey: params.articlePubkey,
      amount: params.amount,
      recipientPubkey: params.recipientPubkey,
      interval,
      deadline,
    })
  } catch (error) {
    console.error('Wait for payment error:', error)
    return false
  }
}