module Admin::CertificatesHelper
	include OrbitBackendHelper
	include OrbitFormHelper
	alias :org_datetime_picker :datetime_picker
	def get_authors_text(certificate, is_to_sentence=false, locale=nil)
		authors_text = Nokogiri::HTML(certificate.authors.to_s).text
		split_text = authors_text.match(/[、，,\/]/)
		split_text = split_text.nil? ? '/' : split_text[0]
		full_authors_names = get_member(certificate).collect(&:name)
		if authors_text.present?
			authors_names = authors_text.split(split_text).select{|a| !(full_authors_names.include?(a.strip()))}
			full_authors_names += authors_names
		end
		if is_to_sentence
			full_authors_names.to_sentence({:locale=>locale})
		else
			full_authors_names.join(split_text)
		end
	 end
	 def get_authors_show(certificate, is_to_sentence=false, locale=nil)
		authors_text = Nokogiri::HTML(certificate.authors.to_s).text
		split_text = authors_text.match(/[、，,\/]/)
		split_text = split_text.nil? ? '/' : split_text[0]
		full_authors_names = []
		full_authors = get_member(certificate).collect do |member|
			member_name = member.name
			full_authors_names << member_name
			"<a href='#{OrbitHelper.url_to_plugin_show(member.to_param,'member')}' title='#{member_name}'>#{member_name}</a>"
		end
		if authors_text.present?
			authors_names = authors_text.split(split_text).select{|a| !(full_authors_names.include?(a.strip()))}
			full_authors += authors_names
		end
		if is_to_sentence
			full_authors.to_sentence({:locale=>locale})
		else
			full_authors.join(split_text)
		end
	end
	def get_member(certificate)
		Array(MemberProfile.where(:id.in=>Array(certificate).collect(&:member_profile_id).flatten))
	end
	def get_member_show(certificate)
		get_member(certificate).collect{|member| "<a href='#{OrbitHelper.url_to_plugin_show(member.to_param,'member')}' title='#{member.name}'>#{member.name}</a>"}.join('/')
	end
	def datetime_picker(*arg,**args)
		org_datetime_picker(arg,args)
	end
	def time_iterate(start_time, end_time, step, &block)
		begin
			start_time = start_time.to_date if end_time.class == Date
			yield(start_time)
		end while (start_time += step) <= end_time
	end
	def parse_time(time_str,timezone="+08:00")
		DateTime.parse("0000-01-01 " + time_str + timezone) 
	end
	def page_for_certificate(certificate_object)
		page = Page.where(:module=>"personal_certificate").first
		("/#{I18n.locale}"+page.url+'/'+certificate_object.to_param).gsub('//','/') rescue "javascript:void(0)"
	end

	def get_data_for_excel(year_start,year_end,timezone)
		year_start = parse_date_time_field("year",year_start,timezone)
		year_end = parse_date_time_field("year",year_end,timezone)
		data = []
		roles = Role.where(:disabled => false, :title.ne => "", :title.ne => nil).asc(:key)
		roles.each do |role|
			d = {}
			d["name"] = role.title
			mps = role.member_profile_ids
			d["data"] = filter_data(Certificate, year_start, year_end, mps)
			data << d
		end
		return data
	end
	def filter_data(data,year_start,year_end,mps = nil)
		result = []
		if @periodic
			all_ids = data.all.pluck(:id) rescue []
			out_of_range_ids1 = data.where(:year_start.gt => year_end).pluck(:id) rescue []
			out_of_range_ids2 = data.where(:year_end.lt => year_start).pluck(:id) rescue []
			result = data.where(:id.in=>(all_ids - out_of_range_ids1 - out_of_range_ids2)) rescue []
		else
			result = data.where(:year.gte => year_start, :year.lte => year_end) rescue []
		end
		result = result.where(:member_profile_id.in => mps) rescue [] unless mps.nil?
		return result
	end
	def get_chart_data(year_start,year_end,role,type,timezone)
		year_start = parse_date_time_field("year",year_start,timezone)
		year_end = parse_date_time_field("year",year_end,timezone)
		main_field_name = ""
		time_fields = []
		max_iterate = 20
		iterate_step = 1
		iterate_count = ((year_end - year_start)  / iterate_step * 1.day.second).ceil
		if iterate_count > max_iterate
			iterate_step = (iterate_step * (iterate_count / max_iterate.to_f).ceil).second
		end
		case type
		when "default"
			jls = []
		when "certificate_category"
			jls = CertificateCategory.all
			main_field_name = "certificate_type"
		else
			jls = []
		end

		finaldata = []
		role = Role.find(role) rescue nil
		mps = []
		if !role.nil?
			 mps = role.member_profile_ids
		end
		jls.each do |jl|
			data = {}
			data["name"] = jl.send(main_field_name) rescue "N/A"
			data["data"] = {}
			time_iterate(year_start,year_end,iterate_step) do |year|
				next_year = year + iterate_step
				current_year = year
				current_year = year.strftime("%H:%M") if time_fields.include?("year")
				next_year = next_year.strftime("%H:%M") if time_fields.include?("year")
				t = filter_data(jl.certificates, current_year, next_year, mps)

				if current_year.class == DateTime
					current_year = display_date_time(current_year,timezone,iterate_step)
				end
				data["data"][current_year.to_s] = t
			end
			finaldata << data
		end
		data = {"name" => "N/A", "data" => {}}
		time_iterate(year_start,year_end,iterate_step) do |year|
			next_year = year + iterate_step
			current_year = year
			current_year = year.strftime("%H:%M") if time_fields.include?("year")
			next_year = next_year.strftime("%H:%M") if time_fields.include?("year")
			case type
			when "default"
				t = filter_data(Certificate, current_year, next_year, mps).count rescue 0
			when "certificate_category"
				t = filter_data(Certificate, current_year, next_year, mps).where(:certificate_category_id => nil).count rescue 0
			else
				t = filter_data(Certificate, current_year, next_year, mps).count rescue 0
			end
			current_year = current_year.new_offset(timezone) if current_year.class == DateTime
			if current_year.class == DateTime
				current_year = display_date_time(current_year,timezone,iterate_step)
			end
			data["data"][current_year.to_s] = t
		end
		finaldata << data
		finaldata
	end
	def parse_date_time_field(field,value,timezone="+08:00")
		time_fields = []
		type = Certificate.fields[field].type rescue nil
		if type.nil?
			@periodic = true
			type = Certificate.fields[field + "_start"].type
		end
		if time_fields.include?(field)
			parse_time(value,timezone)
		elsif type == Integer
			value.to_i
		elsif type == Date
			Date.parse(value)
		else
			DateTime.parse(value+timezone).utc
		end
	end
	def display_date_time(date_time,timezone,iterate_step)
		date_time = date_time.new_offset(timezone)
		if iterate_step > 1.year
			date_time = date_time.strftime("%Y")
		elsif iterate_step > 1.month
			date_time = date_time.strftime("%Y/%m")
		elsif iterate_step > 1.day
			date_time = date_time.strftime("%Y/%m/%d")
		else
			date_time = date_time.strftime("%Y/%m/%d %H:%M")
		end
		return date_time
	end
end