class Admin::OlympiamanagementsController < OrbitAdminController
	require 'spreadsheet'
	require 'rubyXL'
	require 'fileutils'
	require "axlsx"
	before_action :create_first_fields
	helper Admin::OlympiamanagementsHelper
	load File.expand_path(__dir__)+'/zipgenerator.rb'
	def index
	end
	def add_school_data
		SchoolDataFields.create if SchoolDataFields.all.count == 0
		@SchoolDataField = SchoolDataFields.first
		@olympia_school_data_field = (params[:id].nil? ? OlympiaSchoolDataFields.new : ((OlympiaSchoolDataFields.find(params[:id]).nil? rescue true) ? OlympiaSchoolDataFields.new : OlympiaSchoolDataFields.find(params[:id])))
	end
	def update_sign_up_data
		if params[:type] == "delete_old_data"
			
		else
			render :html => params and return
		end
	end
	def update_school_data
		if params[:type] == 'class_setting'
			@ClassSettingField = (params[:id].nil? ? ClassSettingFields.new : ((ClassSettingFields.find(params[:id]).nil? rescue true) ? ClassSettingFields.new : ClassSettingFields.find(params[:id])))
			@ClassSettingField.class_number_range = params[:class_number_range].map{|num| num.to_i}
			@ClassSettingField.enrollment_available = params[:enrollment_available].to_i
			@ClassSettingField.save
			render :json => {'success'=>true} and return
		elsif params[:type] == 'delete_class_setting'
			if !params[:id].to_s.blank?
				begin
					ClassSettingFields.find(params[:id]).destroy
				rescue
					puts 'not_found id='+params[:id]+' in ClassSettingFields'
				end
				redirect_to :back
			end
		elsif params[:type] == 'delete_school_data'
			if !params[:id].to_s.blank?
				begin
					OlympiaSchoolDataFields.find(params[:id]).destroy
				rescue
					puts 'not_found id='+params[:id]+' in OlympiaSchoolDataFields'
				end
				redirect_to :back
			end
		elsif params[:type] == 'add_school_data'
			@olympia_school_data_field = (params[:id].nil? ? OlympiaSchoolDataFields.new : ((OlympiaSchoolDataFields.find(params[:id]).nil? rescue true) ? OlympiaSchoolDataFields.new : OlympiaSchoolDataFields.find(params[:id])))
			params['add_school_data'].keys.each do |field|
				@olympia_school_data_field[field] = params['add_school_data'][field]
			end
			@olympia_school_data_field.save
			redirect_to admin_olympiamanagements_school_data_list_path
		elsif params[:type] == 'import_class_setting'
			if params[:upload_file].nil?
				redirect_to admin_olympiamanagements_import_editing_number_of_school_class_path+'?error=true'
			else
				import_class_setting
			end
		elsif params[:type] == 'approved'
			@olympia_school_data_field = OlympiaSchoolDataFields.find(params[:id]) rescue nil
			if @olympia_school_data_field.nil?
				render_404_html
			else
				@olympia_school_data_field.approved = true
				@olympia_school_data_field.save
				redirect_to :back
			end
		elsif params[:type] == 'unapproved'
			@olympia_school_data_field = OlympiaSchoolDataFields.find(params[:id]) rescue nil
			if @olympia_school_data_field.nil?
				render_404_html
			else
				@olympia_school_data_field.approved = false
				@olympia_school_data_field.save
				redirect_to :back
			end
		elsif params[:type] == 'sign_up_setting'
			@sign_up_setting = SignUpSetting.find(params[:id]) rescue SignUpSetting.new
			if @sign_up_setting.nil?
				render_404_html
			else
				params["sign_up_setting"].each do |key,value|
					@sign_up_setting[key] = value
				end
				@sign_up_setting.save
				redirect_to :back
			end
		else
			render :html => params and return
		end
	end
	def render_404_html
		render :html => File.read('app/views/errors/404.html').html_safe
	end
	def school_data_list
		@SchoolDataField = SchoolDataFields.first
		@SchoolDataname = @SchoolDataField.school_data_fields.map{|field| field.keys[0]}
		page_num = params[:page] || 1
		@OlympiaSchoolDataFields = OlympiaSchoolDataFields.all.asc(:id)
		@OlympiaSchoolDataFields = @OlympiaSchoolDataFields.where("school_name" => /#{params[:school_name]}/) if !params[:school_name].to_s.blank?
		@OlympiaSchoolDataFields = @OlympiaSchoolDataFields.where("school_code" => /#{params[:school_code]}/) if !params[:school_code].to_s.blank?
		@OlympiaSchoolDataFields = @OlympiaSchoolDataFields.page(page_num).per(10)
	end
	def class_setting
		page_num = params[:page] || 1
		@class_setting_list = ClassSettingFields.all.asc(:enrollment_available).page(page_num).per(10)
		@ClassSettingField = (params[:id].nil? ? nil : ((ClassSettingFields.find(params[:id]).nil? rescue true) ? nil : ClassSettingFields.find(params[:id])))
	end
	def import_class_setting
		if !params[:upload_file].blank?
			flag = read_xlsx_temp_file_and_import_class_setting(params[:upload_file].tempfile,params[:upload_file].original_filename)
			if flag == true
				redirect_to admin_olympiamanagements_school_data_list_path
			else
				render 'import_error_msg'
			end
		end
	end
	def read_xlsx_temp_file_and_import_class_setting(tempfile,filename)
		import_class_setting_check(tempfile,filename)
		if !@error_msg.empty?
			return false
		else
			@error_msg = Array.new
			@filename = filename.nil? ? tempfile.path : filename
			workbook = RubyXL::Parser.parse(tempfile)
			sheet = workbook[0].sheet_data.rows
			first_index = 0
			sheet.each_with_index do |raw_row,index|
				row = raw_row.cells.map{ |cell| cell.value rescue nil}
				if row.nil? && first_index != -1
					first_index += 1
					next
				elsif row.nil?
					next
				end
				if index == first_index || first_index != -1
					first_index = -1
				else
					#@error_msg << @row_index_hash and return false
					@olympia_school_data_field = OlympiaSchoolDataFields.where(:school_code=> row[@row_index_hash["school_code"]]).first
					@olympia_school_data_field = OlympiaSchoolDataFields.new() if @olympia_school_data_field.nil?
					@row_index_hash.each do |key,index|
						@olympia_school_data_field[key] = row[index]
					end
					@olympia_school_data_field.save
				end
			end
			return true
		end
	end
	def import_class_setting_check(tempfile,filename)
		@profile_data_row = [ "school_code", "school_name" , "school_address" ,"class_number","enrollment_limited","school_contact_person_name","department_job_title","office_tel_number","fax","mobile_number","email","enrollment"]
		@error_msg = Array.new
		@filename = filename.nil? ? tempfile.path : filename
		@row_index_hash = {}
		begin
			workbook = RubyXL::Parser.parse(tempfile)
		rescue 
			@error_msg << filename+'格式錯誤'
			return @error_msg
		end
		sheet = workbook[0].sheet_data.rows
		first_index = 0
		sheet.each_with_index do |raw_row,index|
			begin
				row = raw_row.cells.map{ |cell| cell.value rescue nil}
			rescue
				@error_msg << filename+'格式錯誤'
				return @error_msg
			end
			if row.nil? && first_index != -1
				next
			elsif row.nil?
				next
			end
			if index == first_index || first_index != -1
				@field_data = row
				delete_array = []
				@profile_data_row.each do |row_key|
					if !@field_data.include?(t('olympiamanagement.'+row_key))
						delete_array << row_key
					else
						@row_index_hash[row_key] = @field_data.index(t('olympiamanagement.'+row_key))
					end
				end
				delete_array.each{|element| @profile_data_row.delete(element)}
				first_index = -1
			else
				#@error_msg << @row_index_hash and return
				if row[@row_index_hash["school_code"]] == ""
					@error_msg << @filename+"中#{make_alpha_from_numbers(@row_index_hash['school_code'])}#{index+1}欄位學校代碼不符(該欄位值不可為空)。"
				end
			end
		end
	end
	def make_alpha_from_numbers(number)
		@numeric = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
		if number < @numeric.size
		  @a = @numeric[number]
		else
		  @dev_by = (number/@numeric.size).floor
		  @a = "#{make_alpha_from_numbers(@dev_by-1)}#{make_alpha_from_numbers(number-(@dev_by*@numeric.size))}";
		end
	end
	def sign_up_setting
		@sign_up_setting = (SignUpSetting.all.length == 0) ? (SignUpSetting.new) : (SignUpSetting.last)
		@site_locales = Site.first.in_use_locales
		@site_locales.delete(I18n.locale)
		@site_locales.insert(0,I18n.locale)
	end
	def export_school_connection_data
		@OlympiaSchoolDataFields = OlympiaSchoolDataFields.all.asc(:id)
		dir_path = 'tmp/olypiamanagement/'
		#FileUtils.rm_r(dir_path, :force => true) if Dir.exist?(dir_path)
		FileUtils.mkdir dir_path if !Dir.exist?(dir_path) #create dir for storing tmp_file if dir doesn't exist
		@filename = 'school_export.xlsx'
		Dir.chdir(dir_path) do 
			File.open(@filename, 'w') do |f|
				f.write render_to_string( :handlers=> [:axlsx], :formats=> [:xlsx] ,:partial=> 'school_export.xlsx',:locals=> {:@OlympiaSchoolDataFields=>@OlympiaSchoolDataFields} )
			end
		end
		tmp_filename_data = File.read(dir_path +@filename)
		send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: @filename)
	end
	def sign_up_student_data_list
		page_num = params[:page] || 1
		@field_infos = StudentDataField.first.student_data_fields
		@sign_up_setting_id = SignUpSetting.last.id
		@student_fields = OlympiaStudentDataField.where(:olympia_school_data_fields_id=>params[:olympia_school_id],:sign_up_setting_id=>@sign_up_setting_id).asc(:id).page(page_num).per(10)
	end
	def export_sign_up_student_data
		# @OlympiaSchoolDataFields = OlympiaSchoolDataFields.all.asc(:id)
		# dir_path = 'tmp/olypiamanagement/'
		# #FileUtils.rm_r(dir_path, :force => true) if Dir.exist?(dir_path)
		# FileUtils.mkdir dir_path if !Dir.exist?(dir_path) #create dir for storing tmp_file if dir doesn't exist
		# @filename = 'school_export.xlsx'
		# Dir.chdir(dir_path) do 
			# File.open(@filename, 'w') do |f|
				# f.write render_to_string( :handlers=> [:axlsx], :formats=> [:xlsx] ,:partial=> 'school_export.xlsx',:locals=> {:@OlympiaSchoolDataFields=>@OlympiaSchoolDataFields} )
			# end
		# end
		# tmp_filename_data = File.read(dir_path +@filename)
		# send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: @filename)
	end
	def download_scan_file_of_certificate
		@sign_up_setting_id = SignUpSetting.last.id
		@student_data_list = OlympiaStudentDataField.where(:sign_up_setting_id=>@sign_up_setting_id)
		@student_data_image_path_arr = @student_data_list.flat_map{|student_data| student_data.olympia_student_images}.map{|student_image| student_image.student_file.file.file}
		zip_path = "tmp/student_images/#{@sign_up_setting_id}/"
		tmp_filename = ''
		FileUtils.rm_r(zip_path, :force => true) if Dir.exist?(zip_path)
		FileUtils.mkdir_p zip_path #create dir for storing tmp_file
		@student_data_image_path_arr.each do |image_path|
			@pathname = Pathname.new(image_path)
			@temp_name = @pathname.basename
			Dir.chdir(@pathname.dirname.to_s) do
				@index = 1
				@original_filename =@pathname.basename.to_s
				@new_pathname = Pathname.new("#{Rails.root}/#{zip_path}#{@original_filename}")
				while @new_pathname.exist? do
					@new_pathname = Pathname.new(@new_pathname.to_s.insert(@new_pathname.to_s.rindex('.'),"-#{@index}"))
					@index += 1
				end
				#a[0...b].concat('-1').concat(a[b..-1])
				FileUtils.cp(@original_filename,@new_pathname)
			end
		end
		@filename = Pathname.new(zip_path).parent.to_s+"/#{Time.now.strftime('%Y_%m_%d')}_student_images.zip"
		zip_file= ZipFileGenerator.new(zip_path,@filename)
		begin
			zip_file.write
		rescue
			File.delete(@filename)
			zip_file.write
		end
		tmp_filename_data = File.read(@filename)
		send_data(tmp_filename_data, type: 'application/zip', disposition: 'attachment', filename: Pathname.new(@filename).basename.to_s)
	end
	def import_editing_number_of_school_class
		@olympia_school_data_field = OlympiaSchoolDataFields.new
	end
	def create_first_fields
		StudentDataField.create if StudentDataField.all.length == 0
		SchoolDataFields.create if StudentDataField.all.length == 0
		SignUpSetting.create if SignUpSetting.all.length == 0
	end
	def download_import_file
		@OlympiaSchoolDataFields = OlympiaSchoolDataFields.all.asc(:id)
		dir_path = 'tmp/olypiamanagement/'
		#FileUtils.rm_r(dir_path, :force => true) if Dir.exist?(dir_path)
		FileUtils.mkdir dir_path if !Dir.exist?(dir_path) #create dir for storing tmp_file if dir doesn't exist
		@filename = 'import_schoo_class_setting.xlsx'
		Dir.chdir(dir_path) do 
			File.open(@filename, 'w') do |f|
				f.write render_to_string( :handlers=> [:axlsx], :formats=> [:xlsx] ,:partial=> 'import_schoo_class_setting.xlsx',:locals=> {:@OlympiaSchoolDataFields=>@OlympiaSchoolDataFields} )
			end
		end
		tmp_filename_data = File.read(dir_path +@filename)
		send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: "#{Time.now.year}#{Time.now.month}#{Time.now.day}_import_schoo_class_setting.xlsx")
	end
end