# encoding: utf-8
require 'rubyXL'
require "json"
class CancerpredictsController < ApplicationController
  def initialize
    super
    @app_title = "cancerpredict"
  end
  def calculate
	create_first_field
	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'] = JSON.parse(@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[:is_num] == 1) ? [] : 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 = {}
		mapping_data_from_csv = JSON.parse(@form_to_show.mapping_data_from_csv) rescue {}
		@form_to_show.all_variables.each do |v|
			result[v] = 0
		end
		@form_to_show.form_show.each do |num,property|
			@variable = property[:variable]
			if @variable.present?
				if property[:is_num] == 1
					if property[:is_float] == 1
						result[@variable] = params['data'][@variable].to_f rescue 0.0
					else
						result[@variable] = params['data'][@variable].to_i rescue 0
					end
				elsif property[:choice_fields].present?
					if !(@form_to_show.advance_mode)
						result[@variable] = params['data'][@variable].to_i rescue 0
					else
						if property[:need_map_values] == 1
							result[@variable] = property[:map_values][params['data'][@variable].to_i - 1]
						else
							if property[:revert_value] != 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
				end
				if @form_to_show.advance_mode && 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
		formula_variables = @form_to_show.tmp_lpv_variables
		begin
			eval_hidden_variables(result)
		rescue => e
			@form_to_show.generate_eval_formula
			eval_hidden_variables(result)
		end
		begin
			eval_formula(result)
		rescue => e
			@form_to_show.generate_eval_formula
			eval_formula(result)
		end
		result['lpv'] = result[formula_variables.last]
		result['lpv_variable'] = {}
		formula_variables.each do |variable_name|
			result['lpv_variable']["#{variable_name}"] = result[variable_name]
		end
		@years = @form_to_show.years
		result['years'] = @years
		@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 = @form_to_show.treatment_method
		result['treatment_method'] = @therapy_names
		result['treatment_method_active_indices'] = @form_to_show.treatment_method_active_indices
		result['table'] = @form_to_show.result_table_translations[locale]
		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 = eval(@form_to_show.tmp_years_settings_for_ruby[year_index])
		@servive_ratio = ((1 - @servive_ratio) * 100).round(2)
		result['texts'] = @form_to_show.result_text_translations[locale]
		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
  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')
	preidct_js_url = '/assets/cancer_predict.js'
	if File.exist?('public/cancer_tool_js_filename.txt')
		js_filename = File.read('public/cancer_tool_js_filename.txt')
		if js_filename.match(/cancer_predict\.js$/)
			asset = Rails.application.assets[js_filename]
			preidct_js_url = "#{Rails.application.config.assets.prefix}/#{asset.digest_path}"
		else
			preidct_js_url = "#{Rails.application.config.assets.prefix}/#{File.basename(js_filename)}"
		end
	end
	{
	  "cancerpredict" => [],
	  "extras"=>{"table"=> @table_str,'preidct_js_url'=>preidct_js_url}
	}
  end
  def widget
	uid = OrbitHelper.params[:uid] rescue ""
	tags = OrbitHelper.widget_tags
	categories = OrbitHelper.widget_categories || []
	@table_str = File.read('public/cancer_tool_table_tmp_'+I18n.locale.to_s+'.txt')
	preidct_js_url = '/assets/cancer_predict.js'
	if File.exist?('public/cancer_tool_js_filename.txt')
		js_filename = File.read('public/cancer_tool_js_filename.txt')
		if js_filename.match(/cancer_predict\.js$/)
			asset = Rails.application.assets[js_filename]
			preidct_js_url = "#{Rails.application.config.assets.prefix}/#{asset.digest_path}"
		else
			preidct_js_url = "#{Rails.application.config.assets.prefix}/#{File.basename(js_filename)}"
		end
	end
	{
	  "cancerpredict" => [],
	  "extras"=>{"table"=> @table_str,'preidct_js_url'=>preidct_js_url}
	}
  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