require "json"
module ApplicationHelper
	def render_widget(widget)
		key = Template::KEY
		file = File.join('../templates', "#{key}", "modules/#{widget}")
		render :partial => file
	end

	def link_to_show(module_name)
		"/module/#{module_name}/show"
	end

	def render_menu
		json_file = File.read(File.join(Rails.root, 'public', "menu.json"))
		@items = JSON.parse(json_file)
		key = Template::KEY
		menu_file =  File.open(File.join(Rails.root, 'app', 'templates', "#{key}", '/home/menu.html.erb'))
		doc = Nokogiri::HTML(menu_file)
		menu_file.close

		temp = []
		@menus = []
		@menus_items = [] 

		temp << doc.css("*[data-menu-level='0']")
		temp << doc.css("*[data-menu-level='1']")
		temp << doc.css("*[data-menu-level='2']")


		temp[0] = temp[0].to_s.gsub(temp[1].to_s,"{{level}}")
		temp[1] = temp[1].to_s.gsub(temp[2].to_s,"{{level}}")
		temp[2] = temp[2].to_s


		temp.each_with_index do |menu,i|
			t = Nokogiri::HTML(menu)
			a = t.css("*[data-menu-link='true']")
			a[0]["href"] = "href_here"
			li = t.css("*[data-menu-level='#{i}'] > *")
			@menus_items << li.to_html
			ul = t.css("*[data-menu-level='#{i}']")
			ul[0].inner_html = "{{here}}"
			@menus << ul[0].to_html
		end

		def create_menu(items,level)
			html = ""
			items.each do |key,item|
				li = @menus_items[level].gsub("href_here",item["url"])
				li = li.gsub("{{link_name}}",key)
				if item["children"]
					li = li.gsub("{{level}}",create_menu(item["children"],level + 1))
				else
					li = li.gsub("{{level}}","")
				end
				html = html + li
			end
			html = @menus[level].gsub("{{here}}",html)
			html = html.gsub("{{class_level}}",level.to_s)
			html
		end
		h = create_menu(@items,0)
		h.html_safe
	end

end