class Design
  include Mongoid::Document
  include Mongoid::Timestamps
  include ParserLayout

  field :author, :type => String
  field :intro, :type => String
  field :title, :type => String
  field :version, :type => String

  has_one :css_default, :autosave => true, :dependent => :destroy
  has_one :layout, :autosave => true, :dependent => :destroy
  has_one :css_reset, :autosave => true, :dependent => :destroy
  has_many :images, :autosave => true, :dependent => :destroy
  has_many :javascripts, :autosave => true, :dependent => :destroy
  has_many :pages
  has_many :themes, :autosave => true, :dependent => :destroy

  accepts_nested_attributes_for :images, :allow_destroy => true
  accepts_nested_attributes_for :javascripts, :allow_destroy => true
  accepts_nested_attributes_for :themes, :allow_destroy => true

  validates_presence_of :author, :title
  
  after_save :parse_css_for_images

 
  def new_files=(*attrs)
    attrs[0].map  do |key,items_ary|   #Loop by JSs,Themes,Imgs
        self.files=([items_ary, key])
    end
  end
 
  # def javascripts=(*attrs)
  #   self.files = (attrs << 'javascripts')
  # end
  # 
  # def themes=(*attrs)
  #   self.files = (attrs << 'themes')
  # end
  # 
  # def images=(*attrs)
  #   self.files = (attrs << 'images')
  # end
  
  # Update or create the attribute records
  def files=(attrs)
    case attrs.last
      when 'layout'
        files = self.layout.build
      else
        files = eval(attrs.last)
    end
    attrs[0].each do |a|
       
      if a[:id].blank? && !a[:file].blank?
        files.build(:file => a[:file], :to_save => true)
      else
        files.each do |file|
          if file.id.to_s == a[:id]
             file.to_destroy = a[:to_destroy]
          end
        end
      end
    end
  end
  
  protected
  
  def parse_css_for_images
    self.css_default.parse_urls
    self.themes.each do |theme|
      theme.parse_urls
    end
    parse_body_for_images(self)
  end
  
end