# encoding: utf-8

class Recipe < ActiveRecord::Base
	before_create :setup_ordinal

	def scrape!  	
		scrape_document Nokogiri::HTML(open(self.original_url))
	end

	def scrape_document(doc) 
		r = self  
		r.name = doc.css('h1')[0].text.to_s.strip
		r.duration = doc.xpath('//*[@id="recipe_preparation"]/div[1]/dl/dd[1]/text()').text.to_s.strip
		r.process = doc.css(".recipe_step_description").map { |el| el.text.to_s.strip }.join("\n")

		r.ingredients = doc.xpath('//*[@id="recipe_ingredients"]/ul/li').map { |x|
			if x.css('span').length == 2
				x.css('span')[0].text.strip + " | " + x.css('span')[1].text.strip 
			else
				nil
			end

			}.compact.join("\n")
		end

		def search_url
			name = URI::escape(self.name)
			return "https://www.google.com/search?q=#{name}&source=lnms&tbm=isch&sa=X"
		end

		def ingredients_fit?
			ing = self.ingredients.to_s.split("\n")
			return false if ing.length < 1
			return false if ing.length > 20
			return false unless ing.select { |x| x.length > 22 }.empty?
			true
		end

		def process_fits?
			pro = self.process.to_s
			return false if pro.length < 1
			return false if pro.length > 15 * 44
			true
		end

		def picture_ok?
			!picture_url.to_s.include?("coolinarika") and picture_url.to_s.length > 0
		end 

		def is_it_valid?
			ingredients_fit? and process_fits? and name.to_s.length <= 14 and duration.to_s.length <= 10 and picture_ok?
		end

		def ordinal_date
			Date.ordinal(2014,self.ordinal)
		end

		def ingredients_safe
			unless self.ingredients.nil?				
				ingred = self.ingredients.gsub("\r\n", "/").gsub("|"," ").gsub("/", "\n")				
				return ingred
			end

			""
		end

		private
		def setup_ordinal
			self.ordinal = Recipe.all.length + 1
		end

	end