# encoding: utf-8
require 'rubyXL'
class CancerpredictsController < ApplicationController
  def initialize
    super
    @app_title = "cancerpredict"
  end
  def calculate
	create_first_field
	#begin
	if params['header'].to_i == 1
		locale = params['locale'].to_s rescue 'zh_tw'
		locale = 'zh_tw' if locale == 'zh_cn'
		result = {}
		@head_images =  {}
		@form_to_show.head_images_id.each do |image_id|
			next if image_id.to_s == ""
			@image = Headimages.find_by(:id=>image_id.to_s)
			@url = @image.temp_file.to_s
			@head_images[@image.sort_number.to_i] = ('<img class="head_logo" alt ="' + Pathname.new(@image.temp_file.file.file).basename.to_s+'" src="'+@url+'"/>')
		end
		result['head_images'] = Hash[@head_images.sort].values.join('')
		@head_images =  {}
		@form_to_show.title_images_id.each do |image_id|
			next if image_id.to_s == ""
			@image = Headimages.find_by(:id=>image_id.to_s)
			@url = @image.temp_file.to_s
			@head_images[@image.sort_number.to_i] = ('<img class="head_logo" alt ="' + Pathname.new(@image.temp_file.file.file).basename.to_s+'" src="'+@url+'"/>')
		end
		result['danger_texts'] = (@form_to_show.danger_texts[locale] rescue '')
		result['title'] = Hash[@head_images.sort].values.join('')
		result['page_title'] = @form_to_show.title_texts[params[:locale]]
	elsif params['get_mapping_data_from_csv'].to_i == 1
		result = {}
		result['mapping_data_from_csv'] = YAML.load(@form_to_show.mapping_data_from_csv) rescue {}
	else
		@record = Cancerpredictrecord.new
		@record.title = @app_title
		@choice_keys = []
		@choice_values = []
		@choice_names = []
		@form_to_show.form_show.values.each{|choice| @choice_keys.push choice[:variable]}
		@form_to_show.form_show.values.each{|choice| @choice_values.push choice[:choice_fields]}
		@form_to_show.form_show.values.each{|choice| @choice_names.push choice[:name]}
		@choice_keys.each_with_index{|key,i| @record.names[key] = @choice_names[i]}
		@choice_keys.each_with_index{|key,i| @record.values[key] = @choice_values[i]}
		params['data'].each do |rec_key,rec_value| 
			@record.result[rec_key] = rec_value
		end
		@record.submit_time = Time.now.to_s
		@record.save
		locale = params['data']['locale'].to_s rescue 'zh_tw'
		locale = 'zh_tw' if locale == 'zh_cn'
		result = {}
		# result['sex_value'] = params['data']['sex'].to_i - 1
		# result['Age_value'] = params['data']['age'].to_i
		# if params['data']['calcification_score'].to_i < 1400
		# 	result['cal_value'] = 0
		# else
		# 	result['cal_value'] = 1
		# end
		mapping_data_from_csv = YAML.load(@form_to_show.mapping_data_from_csv) rescue {}
		@form_to_show.form_show.each do |num,property|
			@variable = property[:variable]
			if @variable.present?
				if property[:is_num] == 1
					result[@variable] = params['data'][@variable].to_f rescue 0.0
				elsif property[:choice_fields].present?
					if property[:map_values].class == Array && property[:choice_fields].class == Array && property[:map_values].length == property[:choice_fields].length
						result[@variable] = property[:map_values][params['data'][@variable].to_i - 1]
					else
						if property[:revert_value].to_i != 1
							result[@variable] = params['data'][@variable].to_i - 1
						else
							result[@variable] = ((property[:choice_fields].length - params['data'][@variable].to_i) rescue params['data'][@variable].to_i)
						end
					end
				end
				if property[:cancer_predict_mapping_file].present?
					if (mapping_data_from_csv != {})
						mapping_hash = mapping_data_from_csv[@variable]
						temp_index = 0
						temp_value = result[@variable]
						mapping_hash.each_with_index do |(k,v),i|
							if i == 0
								index_val = v.index(temp_value) rescue nil
								if !index_val.nil?
									temp_index = index_val
								else 
									closest_value = v.min_by{|x| (temp_value-x).abs}
									temp_index = v.index(closest_value)
								end
							end
							result[k] = v[temp_index]
						end
					end
				end
			end
		end
		#result['lpv'] = -0.51427548* (result['sex_value']- 0.508312) + 0.05764604* (result['Age_value'] - 61.894501) + 0.49138819*(result['cal_value'] - 0.334399) rescue 'error'
		formula = @form_to_show.prediction_formula.gsub("\r\n"," ").gsub("^","**")
		result.keys.each do |k|
			formula = formula.gsub(/#{k}?(-|\+|\*|\s|\=)/){ "result[\"#{k}\"]#{$1}" }
		end
		formula_variables = formula.enum_for(:scan,/([^\=]*)?=/).map { Regexp.last_match[1] }.map{|s| s.strip.split(/(\s*|;\r\n)/).last}

		@form_to_show.form_show.values.map{|p| p[:variable]}.each{ |k|  formula = formula.gsub(/#{k}?(-|\+|\*|\s|\=)/,"result[\"#{k}\"#{$1}]") }

		eval(formula)
		result['lpv'] = eval(formula_variables.last)
		result['lpv_variable'] = {}
		formula_variables.each do |variable_name|
			eval( "result['lpv_variable']['#{variable_name}'] = #{variable_name}" )
		end
		@years = @form_to_show.years
		result['table'] = '<input id="current_year" type="hidden" value="'+@years[0].to_s+'" index="0"/><p id="cancer_table_texts">'+@form_to_show.table_above_texts[locale].to_s+'</p>'
		result['table'] += ('<a style="display: inline-block;">'+(locale == 'zh_tw' ? '第' : '')+'</a><a style="display: inline-block;">')
		result['years'] = @years
		@years.each{|year| result['table'] += ('<button class="cancer_years cancer_table_btn  btn btn-default btn-sm">'+year.to_s+'</button>')}
		result['table'] += ('</a><a style="display: inline-block;">'+(locale == 'zh_tw' ? '年' : '')+'</a>')
		#@head_name = ['Treatment','Additional_Benefit','Overall_Survival']
		@head_name = ['Treatment','Overall_Survival']
		@table_head = @head_name.map{|name| I18n.t('cancerpredict.table.'+name)}
		@therapy_choices = [I18n.t('cancerpredict.table.Surgeryonly')]
		@form_to_show.form_show_in_result.values.each{|choice| @therapy_choices.push choice["name"][locale]}
		@therapy_names = ['Surgery_only']
		@form_to_show.form_show_in_result.values.each{|choice| @therapy_names.push choice["variable"]}
		result['treatmeny_method'] = @therapy_names
		result['table'] += '<table><thead><tr>'
		@table_head.each_with_index{|head,index| result['table'] += ('<th class="cancer_th '+@head_name[index]+'">' + head + '</th>')}
		result['table'] += '</tr></thead><tbody>'
		@therapy_choices.each_with_index do |choice,i|
			result['table'] += '<tr class="'+@therapy_names[i].to_s+'">'
			@table_head.each_with_index do |head,index|
				result['table'] += ('<td class="cancer_td '+ @head_name[index]+'">' + ((index == 0) ? (((i==0)? '' : '+') + choice) : '-') + '</td>')
			end
			result['table'] += '</tr>'
		end
		@lpv_calc = [0.9736358,0.9548993,0.9229336]
		year = params['data']['year'] rescue nil
		if year.nil?
			year = @years.first.to_f
		else
			year = year.to_f
		end
		year_index = @years.index(year)
		#@servive_ratio = ((1-(@lpv_calc[0]**(Math.exp(result['lpv']))))*100).round(2) rescue 1
		@servive_ratio = eval(@form_to_show.years_settings[year_index].gsub('^','**').gsub('exp','Math.exp'))
		@servive_ratio = ((1 - @servive_ratio) * 100).round(2)
		@texts = @form_to_show.text_above_texts[locale].to_s.gsub('<br/>','</span><br/><span>').gsub('{{Surgery_only}}','<span class="'+@therapy_names[0]+' Overall_Survival">'+@servive_ratio.round(2).to_s+'</span>')
		@texts = @texts.split('{{years}}')
		@texts.delete('')
		result['texts'] = '<span>'+@texts[0]
		@years.each{|year| result['texts'] += ('<button class="cancer_years cancer_table_btn  btn btn-default btn-sm" style="float:none;">'+year.to_s+'</button>')}
		if @texts.count > 1
			result['texts'] +=  (@texts[1]+'</span>') if @texts.count > 1
		else
			result['texts'] += '</span>'
		end
		if !@form_to_show.surgery_only_texts[locale].blank?
			@surgery_only_texts = @form_to_show.surgery_only_texts[locale]
			@surgery_only_texts.insert(0,'<p class="show"><span>')
			@surgery_only_texts = @surgery_only_texts.gsub('{{Surgery_only}}','<span class="'+@therapy_names[0]+' Overall_Survival">'+@servive_ratio.round.to_s+'</span><span>')
			@surgery_only_texts = @surgery_only_texts.gsub('{{surgery_year}}','</span><span class="surgery_year">'+@years[-1].to_s+'</span><span>')
			@surgery_only_texts += '</span>'
		else
			@surgery_only_texts = ''
		end
		result['texts'] += @surgery_only_texts
		result['texts'] += '<span class="addition">'+@form_to_show.extra_texts[locale]+'</span><div class="extra-text" style="display:none;"><div class="texts_show" style="clear:both;"></div></div></p>'
		result['extra_therapy_texts'] = @form_to_show.extra_therapy_texts[locale] rescue @form_to_show.extra_therapy_texts['zh_tw']
		result['servive_ratio'] = @servive_ratio
	end
	result = result.merge(params)
	render :json=> result
#	rescue
	#	render :json=> params
	#end
  end
  def index
	uid = OrbitHelper.params[:uid] rescue ""
	tags = OrbitHelper.widget_tags
	categories = OrbitHelper.widget_categories || []
	@table_str = File.read('public/cancer_tool_table_tmp_'+I18n.locale.to_s+'.txt')
	{
      "cancerpredict" => [],
	  "extras"=>{"table"=> @table_str}
	}
  end
  def widget
	uid = OrbitHelper.params[:uid] rescue ""
	tags = OrbitHelper.widget_tags
	categories = OrbitHelper.widget_categories || []
  end
  def create_first_field
	if Cancerpredictfields.where("title"=>(@app_title + "_back")).count == 0
		@form_to_show = Cancerpredictfields.new()
		@form_to_show.title = @app_title +"_back"
		@form_to_show.save
	end
	@form_to_show
	if Cancerpredictfields.where("title"=>@app_title).count == 0
		@form_to_show = Cancerpredictfields.new()
		@form_to_show.title=@app_title
		@form_to_show.save
		@form_to_show = Cancerpredictfields.where("title"=>@app_title).first
	else
		@form_to_show = Cancerpredictfields.where("title"=>@app_title).first
	end
  end
  def read_mapping_file(mapping_file)
  	if mapping_file.class != CancerPredictMappingFile
  		mapping_file = CancerPredictMappingFile.find(mapping_file_id) rescue nil
  	end
  	if !mapping_file.nil?
  		csv_rows = CSV.read(mapping_file.temp_file.file.path)
  		titles = csv_rows[0]
  		infos = {}
  		titles.each_with_index do |title,i|
  			infos[title] = []
  			csv_rows[1..-1].each do |row|
  				infos[title] << row[i].to_f
  			end
  		end
  		return infos
  	else
  		return {}
  	end
  end
end