# encoding: utf-8
require "json"
module ApplicationHelper
	def render_widget(widget)
		file = File.join("../templates", "#{@key}", "modules/#{widget}")
		render :partial => file
	end

	def render_partial(partial)
		file = File.join("../templates", "#{@key}", "partial/#{partial}")
		render :partial => file
	end

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

	def render_header
		site = Site.first
		header_file = File.join('../templates', "#{@key}", "/home/header.html.erb")
		header_file_html = render :file => header_file
		header = Nokogiri::HTML(header_file_html, nil, "UTF-8")
		sub_menu_html = site.sub_menu
		html = header.to_s
		html = html.gsub("{{site_name}}",site.title)
		html = html.gsub("%7B%7Blogo_url%7D%7D",(site.site_logo.url.nil? ? "/assets/site-logo.png" : site.site_logo.url))
		if site.sitemap_menu_in_header
			sub_menu_html = sub_menu_html + "<a href='/#{I18n.locale.to_s}#{site.site_map_link}'>Sitemap</a>"
		end
		sub_menu_html = sub_menu_html.nil? ? "" : sub_menu_html
		html = html.gsub("{{header-data}}",sub_menu_html)
		html.html_safe
	end

	def render_site_title
		site = Site.first
		title = site.title rescue ""
		if site.title_always_on
			if !params[:slug].nil?
				temp_title = params[:slug].sub("-#{params[:uid]}","")
				temp_title = temp_title.gsub("-"," ")
				title = "#{temp_title} | #{title}"
			end
		end
		title
	end

	def render_google_analytics
		Site.first.google_analytics.html_safe rescue ""
	end

	def render_footer
		site = Site.first
		footer_file = File.join('../templates', "#{@key}", "/home/footer.html.erb")
		footer_file_html = render :file => footer_file
		footer = Nokogiri::HTML(footer_file_html, nil, "UTF-8")
		html = footer.to_s
		site_footer = site.footer
		if site.enable_terms_of_use
			site_footer = site_footer + "<a href='/#{I18n.locale.to_s}#{site.terms_of_use_link}'>Terms of use</a>"
		end
		site_footer = site_footer.nil? ? "" : site_footer
		html = html.gsub("{{footer-data}}",site_footer)
		html.html_safe
	end

	def render_orbit_bar
		orbit_bar_file = File.join('../views', "orbit_bar", 'index.html.erb')
		orbit_bar_file_html = render :file => orbit_bar_file
		orbit_bar_file_html.html_safe
	end

	def render_menu
		# json_file = File.read(File.join(Rails.root, 'public', "menu.json"))
		# @items = JSON.parse(json_file)
		if $mobile.blank?
			@pages = Page.root.sorted_published_child_pages
		else
			@pages = Page.root.sorted_published_child_pages_for_mobile
		end

		def create_json(pages)
			item = {}
			pages.each do |page|
				if page.child_page.size > 0
					if page.page_type == "page"
						if $mobile.blank?
							item["#{page.name}"] = {"url"=> "/#{locale.to_s}" + page.url, "children"=>create_json(page.sorted_published_child_pages), "target" => "_self"}
						else
							item["#{page.name}"] = {"url"=> "/#{locale.to_s}" + page.url, "children"=>create_json(page.sorted_published_child_pages_for_mobile), "target" => "_self"}
						end
					elsif page.page_type == "link"
						if $mobile.blank?
							item["#{page.name}"] = {"url"=> page.external_url, "children"=>create_json(page.sorted_published_child_pages), "target" => "_blank"}
						else
							item["#{page.name}"] = {"url"=> page.external_url, "children"=>create_json(page.sorted_published_child_pages_for_mobile), "target" => "_blank"}
						end
					end
				else
					if page.page_type == "page"
						item["#{page.name}"] = {"url"=> "/#{locale.to_s}" + page.url, "target" => "_self"}
					elsif page.page_type == "link"
						item["#{page.name}"] = {"url"=> page.external_url, "target" => "_blank"}
					end
				end
			end
			item
		end
		@items = create_json(@pages)
		menu_file = File.open(File.join(Rails.root, 'app', 'templates', "#{@key}", "/home/menu.html.erb"))
		doc = Nokogiri::HTML(menu_file, nil, "UTF-8")
		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, nil, "UTF-8")
			a = t.css("*[data-menu-link='true']")
			a[0]["href"] = "href_here"
			a[0]["target"] = "target_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)
				li = li.gsub("target_here",item["target"])
				li = request.original_fullpath == item['url'] ? li.gsub("{{active}}","active") : li.gsub("{{active}}","")

				if item["children"] && !item["children"].empty?
					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

	def render_view

		def parsing_repeats_again(elements,d,level)
			newhtml = []
			oldhtml = []
			elements.each do |el|
				html_to_render = ""
				data_name = el.attr("data-list")
				wrap_elements = el.css("*[data-list][data-level='#{level}']")
				if d["#{data_name}"]
					d["#{data_name}"].each_with_index do |item,i|
						element = el.inner_html
						if wrap_elements.count > 0
							htmls = parsing_repeats_again(wrap_elements,d["#{data_name}"][i], level + 1)
							htmls[0].each_with_index do |html,i|
								element = element.gsub(html,htmls[1][i])      
							end
						end
						item.each do |key,value|
							if !value.kind_of?(Array)
								value = value.nil? ? "" : value
								element = element.gsub("{{#{key}}}",value.to_s)
								element = element.gsub("%7B%7B#{key}%7D%7D",value.to_s)
							end
						end
						html_to_render = html_to_render + element
					end
					temp = el.to_s
					oldhtml << temp
					temp = temp.gsub(el.inner_html, html_to_render)
					newhtml << temp
				end
			end
			[oldhtml,newhtml]
		end


		if params[:target_action] == "index"
			f = File.join(Rails.root, 'app', 'templates', "#{@key}", 'modules', params[:target_controller].singularize, "#{params[:layout_type]}.html.erb")
			if !File.exists?f
				f = File.join(Rails.root, 'app', 'templates', "#{@key}", 'modules', params[:target_controller].singularize, "index.html.erb")
			end
			file =  File.open(f)
			doc = Nokogiri::HTML(file, nil, "UTF-8")
			file.close
			controller = "#{params[:target_controller].capitalize}_controller".classify.constantize.new
			data = controller.send("#{params[:target_action]}")
			if !data.nil?
				wrap_elements = doc.css("*[data-list][data-level='0']")
				htmls = parsing_repeats_again(wrap_elements,data,1)
				html = doc.to_s
				htmls[0].each_with_index do |h,i|
					html = html.gsub(h,htmls[1][i])
				end

				if data["extras"]
					data["extras"].each do |key,value|
						value = value.nil? ? "" : value
						html = html.gsub("{{#{key}}}",value.to_s)
						html = html.gsub("%7B%7B#{key}%7D%7D",value.to_s)
					end
				end
				total_pages = data['total_pages'].to_i rescue 1
				if total_pages > 1
					html = html.gsub("{{pagination_goes_here}}",create_pagination(total_pages))
				else
					html = html.gsub("{{pagination_goes_here}}","");
				end
				html.html_safe
			else
				return "<div>It seems we have a problem with the module at this point of time, we will try to fix it as soon as possible, Sorry for the inconvenience!! :( </div>"
			end
		else
			f = File.join(Rails.root, 'app', 'templates', "#{@key}", 'modules', params[:target_controller].singularize, "#{params[:target_action]}.html.erb")
			if File.exists?f
				file =  File.open(f)
				doc = Nokogiri::HTML(file, nil, "UTF-8")
				file.close
				controller = "#{params[:target_controller].capitalize}_controller".classify.constantize.new
				data = controller.send("#{params[:target_action]}") rescue nil
				if data.nil?
					return "<div>It seems we have a problem with the module at this point of time, we will try to fix it as soon as possible, Sorry for the inconvenience!! :( </div>"
				end

				if data.blank? || data.empty?
					file =  File.open("#{Rails.root}/public/404.html")
					doc = Nokogiri::HTML(file, nil, "UTF-8")
					file.close
					doc.to_html.html_safe
				else
					unless data['impressionist'].blank?
						impression = data['impressionist'].impressions.create
						impression.user_id = request.session['user_id']
						impression.controller_name = params[:target_controller]
						impression.action_name = params[:target_action]
						impression.ip_address = request.remote_ip
						impression.session_hash = request.session.id
						impression.request_hash = @impressionist_hash
						impression.referrer = request.referrer
						impression.save
						data['impressionist'].view_count = data['impressionist'].impressions.count
						data['impressionist'].save
					end
					wrap_elements = doc.css("*[data-list][data-level='0']")
					if wrap_elements.count == 0
						wrap_element_html = doc.to_s
						el = wrap_element_html
						data.each do |key,value|
				  			next if key.eql? 'impressionist'
							value = value.nil? ? "" : value
							el = el.gsub("{{#{key}}}",value.to_s)
							el = el.gsub("%7B%7B#{key}%7D%7D",value.to_s)
						end
						el.html_safe
					else
						keys = data.keys
						not_array_key = nil
						data.keys.each do |key|
							not_array_key = key if data["#{key}"].kind_of?(Hash)
						end
						htmls = parsing_repeats_again(wrap_elements,data,1)
						html = doc.to_s
						htmls[0].each_with_index do |h,i|
							html = html.gsub(h,htmls[1][i])
						end
						if data["#{not_array_key}"]
							data["#{not_array_key}"].each do |key,value|
								next if key.eql? 'impressionist'
								value = value.nil? ? "" : value
								html = html.gsub("{{#{key}}}",value.to_s)
								html = html.gsub("%7B%7B#{key}%7D%7D",value.to_s)
							end
						end
						html.html_safe
					end
				end
			end
		end
	end

	def action_data
		controller = "#{params[:target_controller].capitalize}_controller".classify.constantize.new
		data = controller.send("#{params[:target_action]}")
		data
	end

	def active_for_controllers(*controller_names)
    	(controller_names.include?(controller.controller_name) || controller_names.include?(request.fullpath)) ? 'active' : nil
  	end

  	def visible_for_controllers(*controller_names)
    	(controller_names.include?(controller.controller_name) || controller_names.include?(request.fullpath)) ? '' : 'hide'
  	end

	def active_for_action(controller_name, action_name)
    	((controller.controller_name.eql?(controller_name) || request.fullpath.eql?(controller_name)) && controller.action_name.eql?(action_name)) ? 'active' : nil
  	end

  	def link_back(custom_class=nil)
    	case custom_class
    	when nil
     		link_to t('back'), get_go_back, :class => 'nav'
    	else
      		link_to t('back'), get_go_back, :class => custom_class
    	end
  	end

  	def switch_language(loc)
  		url = request.original_fullpath
  		
  		locale = url.include?("zh_cn") ? :zh_cn : I18n.locale

  		url = url.gsub("/#{locale.to_s}/","/#{loc.to_s}/")
  		url = url.gsub("locale=#{locale.to_s}","locale=#{loc.to_s}") if url == request.original_fullpath
  		url = url + "#{url.include?("?") ? "&" : "?"}locale=#{loc.to_s}" if url == request.original_fullpath and !url.include?(locale.to_s)
  		url
  	end

  	# Clean the link back
  	def get_go_back
    	begin
      		if request.url.include?('locale=')
        	session[:last_page]
      	else
        	session[:last_page] = remove_locale(request.referer)
      	end
    	rescue
      		eval(params[:controller].split('/').join('_') << '_url')
    	end
  	end

  	def show_avatar(user)
    	image_tag(user.avatar.thumb.url)
  	end

  	def render_sitemap
  		items = action_data
  		def node(items)
  			html = "<ul>"
  			items.each do |key,item|
  				if item["children"] && !item["children"].empty?
  					url = item["url"]
  					target = item["target"]
  					html = html + "<li><a href='#{url}' target='#{target}'>#{key}</a>"
  					html = html + node(item["children"])
  					html = html + "</li>"
  				else
  					target = item["target"]
  					url = item["url"]
  					html = html + "<li><a href='#{url}' target='#{target}'>#{key}</a></li>"
  				end
  			end
  			html = html + "</ul>"
  			html
  		end
  		html = node(items)
  		html.html_safe
  	end

  	def show_attribute_value(value)
    	if value.kind_of? Hash
        	result = []
        	value.each{|t| result.push(t.last)}
        	result.join ","
      	else
        	value
    	end
  	end

  	def create_pagination(total_pages)
  		file = File.join(Rails.root, 'app', 'templates', "#{@key}", 'home', "pagination.html.erb")
  		html = ""
  		if File.exists?file
			file =  File.open(file)
			doc = Nokogiri::HTML(file, nil, "UTF-8")
			file.close
			paginationobj = doc.css("*[data-pagination='true']").first
			in_html = first = last = nextpage = prevpage = paginationobj.inner_html
			f_html = ""
			current_page_number = OrbitHelper.page_number
			if current_page_number > 1
				first = first.gsub("%7B%7Bpagination_link%7D%7D","?page_no=1")
				first = first.gsub("{{page_number}}","First")
				first = first.gsub("{{pagination_active}}","")
				f_html = f_html +  first
			end
			start_number = current_page_number - 2 
			end_number = current_page_number + 2
			if end_number > total_pages
				end_number = total_pages
				start_number = total_pages - 4
			end
			if start_number < 1
				start_number = 1
				end_number = 5
			end
			end_number = end_number > total_pages ? total_pages : end_number
			(start_number..end_number).each do |i|
				h = in_html
				h = h.gsub("%7B%7Bpagination_link%7D%7D","?page_no=#{i.to_s}")
				h = h.gsub("{{page_number}}",i.to_s)
				h = h.gsub("{{pagination_active}}",(i == current_page_number ? "active" : ""))
				f_html = f_html + h
			end
			if current_page_number > 1
				prevpage = prevpage.gsub("%7B%7Bpagination_link%7D%7D","?page_no=#{current_page_number - 1}")
				prevpage = prevpage.gsub("{{page_number}}","&laquo;")
				prevpage = prevpage.gsub("{{pagination_active}}","")
				f_html = f_html +  prevpage
			end

			if current_page_number < total_pages
				nextpage = nextpage.gsub("%7B%7Bpagination_link%7D%7D","?page_no=#{current_page_number + 1}")
				nextpage = nextpage.gsub("{{page_number}}","&raquo;")
				nextpage = nextpage.gsub("{{pagination_active}}","")
				f_html = f_html +  nextpage

				last = last.gsub("%7B%7Bpagination_link%7D%7D","?page_no=#{total_pages}")
				last = last.gsub("{{page_number}}","Last")
				last = last.gsub("{{pagination_active}}","")
				f_html = f_html +  last
			end
			paginationobj.inner_html = f_html
			html = paginationobj.to_s
		end
		html
  	end

end