class Donation < ApplicationRecord
  include AASM

  belongs_to :user

  validates_presence_of :user
  validates_presence_of :donation_method,
    inclusion: { in: %w[ custom btcpay lndhub ] }
  validates_presence_of :payment_status, allow_nil: true,
    inclusion: { in: %w[ pending processing settled ] }
  validates_presence_of :paid_at, allow_nil: true
  validates_presence_of :amount_sats, allow_nil: true
  validates_presence_of :fiat_amount, allow_nil: true
  validates_presence_of :fiat_currency, allow_nil: true,
    inclusion: { in: %w[ EUR USD ] }

  scope :pending,    -> { where(payment_status: "pending") }
  scope :processing, -> { where(payment_status: "processing") }
  scope :completed,  -> { where(payment_status: "settled") }
  scope :incomplete, -> { where.not(payment_status: "settled") }

  aasm column: :payment_status do
    state :pending, initial: true
    state :processing
    state :settled

    event :start_processing do
      transitions from: :pending, to: :processing
    end

    event :complete do
      transitions from: :processing, to: :settled, after: [:set_paid_at, :set_sustainer_status]
      transitions from: :pending, to: :settled, after: [:set_paid_at, :set_sustainer_status]
    end
  end

  def pending?
    payment_status == "pending"
  end

  def processing?
    payment_status == "processing"
  end

  def completed?
    payment_status == "settled"
  end

  private

    def set_paid_at
      update paid_at: DateTime.now if paid_at.nil?
    end

    def set_sustainer_status
      user.add_member_status :sustainer
    rescue => e
      Sentry.capture_exception(e) if Setting.sentry_enabled?
      Rails.logger.error("Failed to set memberStatus: #{e.message}")
    end
end