# frozen_string_literal: true
require 'core_ext/ipaddr'

# == Schema Information
#
# Table name: subnet_bans
#
#  id               :integer          not null, primary key
#  enabled          :boolean          default(TRUE), not null
#  note             :string
#  reason           :string           not null
#  specification    :inet
#  valid_until      :datetime         not null
#  created_at       :datetime         not null
#  updated_at       :datetime         not null
#  banning_user_id  :integer          not null
#  generated_ban_id :string           not null
#
# Indexes
#
#  index_subnet_bans_on_banning_user_id  (banning_user_id)
#  index_subnet_bans_on_created_at       (created_at)
#
# Foreign Keys
#
#  fk_rails_...  (banning_user_id => users.id) ON DELETE => restrict ON UPDATE => cascade
#
class SubnetBan < Ban
  # rolify
  resourcify

  belongs_to :banning_user, inverse_of: :subnet_bans_enacted, class_name: 'User', optional: true
  validates :specification, presence: true

  def id_prefix
    'S'
  end

  def self.banned?(address)
    if address.nil?
      Rails.logger.warn 'Nil remote address; should not happen.'
      return false
    end

    address = IPAddr.new(address) if address.is_a?(String)

    valid.where('specification >>= ?', address.to_cidr).detect(&:enabled) || false
  end

  def self.ban_exists?(address)
    address = IPAddr.new(address) if address.is_a?(String)

    valid.where('specification >>= ?', address.to_cidr).present?
  end
end