class Tag
  include Mongoid::Document
  include Mongoid::Timestamps
  include Impressionist::Impressionable
  
  is_impressionable :counter_cache => { :column_name => :view_count }
  
  field :key
  field :view_count, :type => Integer, :default => 0
  #field :cloud_amper,:type: Integer,:default=> 0 
  belongs_to :module_app
  
  def cloud_amper
    for_now = {:start_at=>14.days.ago,:end_at=>Time.now}
    for_yesterday = {:start_at=>15.days.ago,:end_at=>1.days.ago}


    range = self.class.all.collect{ |tag|
      get_impressionist(tag)
    }
    range.sort!.reverse!.uniq!
    offset_size = range.size+4
    section_3 =  range.first..range[(offset_size/4)]
    section_2 =  range[(offset_size/4)+1]..range[2*(offset_size/4)] rescue nil
    section_1 =  range[2*(offset_size/4)+1]..last  rescue nil


    case get_impressionist
    when range.first
      return :hot1
    when section_1
      return :hot2
    when section_2
      return :hot3
    when section_3
      return :hot4
    end
    
  end

protected
  def get_impressionist(item_tag = self)
    item_tag.impressions.where(:created_at.gte=> 14.days.ago,:created_at.lte => Time.now).count
  end

end