class BtcpayCheckDonationJob < ApplicationJob
  queue_as :default

  def perform(donation)
    return if donation.completed?

    invoice = BtcpayManager::FetchInvoice.call(
      invoice_id: donation.btcpay_invoice_id
    )

    case invoice["status"]
    when "Processing"
      re_enqueue_job(donation)
    when "Settled"
      mark_as_paid(donation)
    when "Expired"
      if invoice["additionalStatus"] &&
         invoice["additionalStatus"] == "PaidLate"
        mark_as_paid(donation)
      end
    end
  end

  def re_enqueue_job(donation)
    self.class.set(wait: 20.seconds).perform_later(donation)
  end

  def mark_as_paid(donation)
    donation.paid_at = DateTime.now
    donation.payment_status = "settled"
    donation.save!

    NotificationMailer.with(user: donation.user)
                      .bitcoin_donation_confirmed
                      .deliver_later
  end
end