class Page
  include Mongoid::Document
  include Mongoid::Timestamps
	
	field :name, localize: true
	field :number, type: Integer
	field :module
	field :url
	field :page_id
	field :data_count, type: Integer, default: 10
	field :enabled_for, type: Array, default: []
	field :menu_enabled_for, type: Array, default: []
  	field :categories, type: Array, :default => []
  	field :enabled_for_sitemap, type: Array, :default => []

	has_many :page_parts, :autosave => true, :dependent => :destroy


	has_many :child_page, :class_name => 'Page', :inverse_of => :parent_page, :dependent => :destroy
	belongs_to :parent_page, :class_name => 'Page', :inverse_of => :child_page

	def to_param
   	 page_id.parameterize
  	end

	def self.find_by_param(input)
  		self.find_by(page_id: input) rescue nil
	end

	def self.root
		self.where(:parent_page_id.ne => "" , :parent_page_id.exists => false).first
	end

	def root?
		self.parent_page_id.nil?
	end

  def sorted_published_child_pages
    self.child_page.where(:menu_enabled_for => I18n.locale).asc(:number)
  end

  def published_child_pages
    self.child_page.where(:menu_enabled_for => I18n.locale)
  end
end