class Comment < ActiveRecord::Base
  include Freeberry::Models::Comment
  
  using_access_control
  
  validates :content, :presence => true, :length => { :maximum => 500 }
  validates :commentable_type, :presence => true, :inclusion => { :in => %w( Post Article ) }         
  validates :author_type, :inclusion => { :in => %w( User FreeberryAuth::Account ) }, :allow_blank => true
  
  with_options :if => :anonymous? do |anonymous|
    anonymous.validates :user_name, :length => { :maximum => 100 }, :presence => true,
              :format => { :with => /\A[^[:cntrl:]\\<>\/&]*\z/ }
    anonymous.validates :user_email, :length => { :within => 6..100 }, :presence => true,
              :format => { :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i }
  end
  
  attr_accessible :user_name, :user_email, :content, :is_follow

  #after_create :send_notifiers

  auto_html_for :content do
    html_escape
    big_words :length => 80, :tag => "span"
    image
    youtube :width => 500, :height => 300
    vimeo :width => 500, :height => 300
    link :target => "_blank", :rel => "nofollow"
    simple_format
    sanitize
  end
  
  def anonymous?
    author.nil?
  end
  
  def siblings
    self.class.siblings_for(self)
  end
  
  protected
  
    def send_notifiers
      emails = [ commentable.user.try(:email) ]
      emails.concat(siblings.follows.select("user_email").map(&:user_email).uniq)
      emails.delete_if{ |email| email.blank? || email == user_email }
      emails.each { |email| Notifier.comment(email, self).deliver }
    end
end