# frozen_string_literal: true

# Mantiene el registro de relaciones entre sitios e instancias
class InstanceModeration < ApplicationRecord
  include AASM

  belongs_to :site
  belongs_to :instance, class_name: 'ActivityPub::Instance'

  aasm do
    state :paused, initial: true
    state :allowed
    state :blocked

    event :pause do
      transitions from: %i[allowed blocked], to: :paused

      before do
        pause_remotely!
      end
    end

    event :allow do
      transitions from: %i[paused blocked], to: :allowed

      before do
        allow_remotely!
      end
    end

    event :block do
      transitions from: %i[paused allowed], to: :blocked

      before do
        block_remotely!
      end
    end
  end

  # Elimina la instancia de todas las listas
  #
  # @return [Boolean]
  def pause_remotely!
    raise AASM::InvalidTransition unless
      site.social_inbox.blocklist.delete(list: [instance.list_name]).ok? &&
      site.social_inbox.allowlist.delete(list: [instance.list_name]).ok?
  end

  # Deja de permitir la instancia
  #
  # @return [Boolean]
  def block_remotely!
    raise AASM::InvalidTransition unless
      site.social_inbox.allowlist.delete(list: [instance.list_name]).ok? &&
      site.social_inbox.blocklist.post(list: [instance.list_name]).ok?
  end

  # Permite la instancia
  #
  # @return [Boolean]
  def allow_remotely!
    raise AASM::InvalidTransition unless
      site.social_inbox.blocklist.delete(list: [instance.list_name]).ok? &&
      site.social_inbox.allowlist.post(list: [instance.list_name]).ok?
  end
end