class AddFriend < Task

  settings_items :group_for_person, :group_for_friend

  validates_presence_of :requestor_id, :target_id

  validates_uniqueness_of :target_id, :scope => [ :requestor_id ]

  validates_length_of :group_for_person, :group_for_friend, :maximum => 150, :allow_nil => true

  alias :person :requestor
  alias :person= :requestor=

  alias :friend :target
  alias :friend= :target=

  def perform
    target.add_friend(requestor, group_for_friend)
    requestor.add_friend(target, group_for_person)
  end

  def permission
    :manage_friends
  end

  def target_notification_description
    _('%{requestor} wants to be your friend.') % {:requestor => requestor.name}
  end

  def target_notification_message
    target_notification_description + "\n\n" +
    _('You need to login to %{system} in order to accept %{requestor} as your friend.') % { :system => target.environment.name, :requestor => requestor.name }
  end

  def title
    _("New friend")
  end

  def information
    {:message => _('%{requestor} wants to be your friend.') }
  end

  def accept_details
    true
  end

  def icon
    {:type => :profile_image, :profile => requestor, :url => requestor.url}
  end

end