class PayoutService
  def initialize(payout)
    @payout = payout
  end

  # Legacy method for backward compatibility - now redirects to manual workflow
  def process!
    Rails.logger.warn "PayoutService#process! called - manual processing required for payout #{@payout.id}"
    raise "Automatic payout processing is disabled. Use manual workflow in admin interface."
  end

  # Generate payout summary for manual transfer
  def generate_transfer_summary
    return nil unless @payout.approved? || @payout.processing?

    {
      payout_id: @payout.id,
      recipient: @payout.user.name,
      account_holder: @payout.user.account_holder_name,
      bank_name: @payout.user.bank_name,
      iban: @payout.user.iban,
      amount_euros: @payout.net_amount_euros,
      description: "Payout for event: #{@payout.event.name}",
      event_name: @payout.event.name,
      event_date: @payout.event.date,
      total_orders: @payout.total_orders_count,
      refunded_orders: @payout.refunded_orders_count
    }
  end

  # Validate banking information before processing
  def validate_banking_info
    errors = []
    user = @payout.user

    errors << "Missing IBAN" unless user.iban.present?
    errors << "Missing bank name" unless user.bank_name.present?
    errors << "Missing account holder name" unless user.account_holder_name.present?
    errors << "Invalid IBAN format" if user.iban.present? && !valid_iban?(user.iban)

    errors
  end

  private

  def valid_iban?(iban)
    # Basic IBAN validation (simplified)
    iban.match?(/\A[A-Z]{2}[0-9]{2}[A-Z0-9]{4}[0-9]{7}([A-Z0-9]?){0,16}\z/)
  end

  def update_earnings_status
    @payout.event.earnings.where(status: 0).update_all(status: 1)  # pending to paid
  end
end