class Page < Item
  include Rails.application.routes.url_helpers
  include Impressionist::Impressionable
  include ParserFrontEnd
  
  is_impressionable :counter_cache => { :column_name => :view_count }
  
  field :content, localize: true
  field :app_frontend_url
  field :theme_id, :type => BSON::ObjectId, :default => nil
  field :category, :default => ''
  field :tag, :default => ''
  field :view_count, :type => Integer, :default => 0
  field :page_title, localize: true
  
  field :frontend_style
  field :frontend_field , :type => Array
  field :frontend_data_count
  
  belongs_to :design
  belongs_to :module_app
  has_many :page_parts, :dependent => :destroy
  has_many :page_contexts, :autosave => true, :dependent => :destroy
  has_many :page_metas, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :page_parts, :allow_destroy => true

  before_save :delete_empty_frontend_field
  before_save :create_parts, if: Proc.new { |page| page.new_record? || page.design_id_changed? }
  after_save :generate_html

  protected
  
  def create_parts
    page_design = self.design
    parent = self.parent
    menu_part = parent.page_parts.detect{|page_part| page_part.kind.eql?('public_r_tag') && page_part.public_r_tag.eql?('sub_menu') && page_part.public_r_tag_object_id.eql?(parent.id.to_s)} if parent
    page_design.layout.layout_parts.each do |layout_part|
      current_part = self.page_parts.detect{|page_part| page_part.name.eql?(layout_part.name)}
      current_part = self.page_parts.build(:name => layout_part.name) unless current_part
      if menu_part && current_part.name.eql?(menu_part.name)
        if current_part.new_record?
          current_part.kind = menu_part.kind
          current_part.public_r_tag = menu_part.public_r_tag
          current_part.public_r_tag_object_id = menu_part.public_r_tag_object_id
          PagePart.without_callback(:save, :after, :update_parent) do
            current_part.save
          end
        else
          PagePart.without_callback(:save, :after, :update_parent) do
            current_part.update_attributes(:kind => menu_part.kind, :public_r_tag => menu_part.public_r_tag, :public_r_tag_object_id => menu_part.public_r_tag_object_id)
          end
        end
      end
    end
  end

  def delete_empty_frontend_field
  	if self.frontend_field
        self.frontend_field.reject! { |ff| (ff[0].blank? || ff[1].blank?) }
  	  # self.frontend_field.each do | ff |
  	    # if ff[0].blank? || ff[1].blank?
            # self.frontend_field.delete("") if self.frontend_field
            # self.frontend_field.delete(ff)
  	   # end
  	  # end
  	end
  end

  def generate_html
    Page.without_callback(:save, :after, :generate_html) do
      self.content_translations = parse_page_noko(self, Site.first)
      self.save
    end
  end
  
end