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(
  articleId: string,
  articlePubkey: string,
  amount: number,
  recipientPubkey: string,
  interval: number,
  deadline: number
): Promise<boolean> {
  try {
    const zapReceiptExists = await nostrService.checkZapReceipt(articlePubkey, articleId, amount, recipientPubkey)
    if (zapReceiptExists) {
      const zapReceiptId = await getZapReceiptId(articlePubkey, articleId, amount, recipientPubkey)
      await sendPrivateContentAfterPayment(articleId, recipientPubkey, amount, zapReceiptId)
      return true
    }
  } catch (error) {
    console.error('Error checking zap receipt:', error)
  }

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

  return new Promise<boolean>((resolve) => {
    setTimeout(() => {
      void pollPaymentUntilDeadline(articleId, articlePubkey, amount, recipientPubkey, interval, deadline)
        .then(resolve)
        .catch(() => resolve(false))
    }, interval)
  })
}

export async function waitForArticlePayment(
  _paymentHash: string,
  articleId: string,
  articlePubkey: string,
  amount: number,
  recipientPubkey: string,
  timeout: number = 300000 // 5 minutes
): Promise<boolean> {
  const interval = 2000
  const deadline = Date.now() + timeout
  try {
    return await pollPaymentUntilDeadline(articleId, articlePubkey, amount, recipientPubkey, interval, deadline)
  } catch (error) {
    console.error('Wait for payment error:', error)
    return false
  }
}