class EmailActivation < Task

  validates_presence_of :requestor_id, :target_id

  validate :requestor_is_person
  validate :target_is_environment

  validate :already_requested, :on => :create

  alias :environment :target
  alias :person :requestor

  def already_requested
    if self.requestor.person?
      if !self.requestor.nil? && self.requestor.user.email_activation_pending?
        self.errors.add(:base, _('You have already requested activation of your mailbox.'))
      end
    end
  end

  def title
    _("Email activation")
  end

  def subject
    person.email_addresses.join(', ')
  end

  def information
    {:message => _("%{requestor} wants to activate the following email: %{subject}.")}
  end

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

  def perform
    person.user.enable_email!
  end

  # :nodoc:
  def after_finish
    UserMailer.activation_email_notify(person.user).deliver
  end

  def sends_email?
    false
  end

  def requestor_is_person
    unless requestor.person?
      errors.add(:email_activation, N_('Requestor must be a person.'))
    end
  end

  def target_is_environment
    unless target.class == Environment
      errors.add(:email_activation, N_('Target must be an environment.'))
    end
  end

end