#!/usr/local/bin/ruby
require 'pp'


class AnondArchive
  attr_reader :url, :year, :month, :year_urls, :year_month_urls, :year_month_urls_from_200609_to_201708

  def initialize(url="https://anond.hatelabo.jp/archive/")#, year, month)
    @url = url;# @year = year; @month = month
  end


	def add_year
		@year_urls = []
		(6..17).each do |n|
		  n = "0" + n.to_s unless n.to_s =~ %r|^[1][0-7]$|
		  @year = "20" + n.to_s
		  @year_urls << @url + @year
		end
		return @year_urls
	end

	def add_month
		@year_month_urls = []
		@year_urls.each do |year_url|
		  (1..12).each do |n|
		  #  n = "0" + n.to_s unless n =~ %r|^[0-9][0-2]$| #integerオブジェクトは正規表現マッチできなかったから注意
		    n = "0" + n.to_s unless n.to_s =~ %r|^[0-9][0-2]$|
		    @year_month_urls << year_url + n.to_s
		  end
		end
		return @year_month_urls
	end

	def make_year_month_urls_from_200609_to_201708
		@year_month_urls_from_200609_to_201708 = []
		@year_month_urls.each do |year_month_url|
			case year_month_url
			when "https://anond.hatelabo.jp/archive/200601"
			when "https://anond.hatelabo.jp/archive/200602"
			when "https://anond.hatelabo.jp/archive/200603"
			when "https://anond.hatelabo.jp/archive/200604"
			when "https://anond.hatelabo.jp/archive/200605"
			when "https://anond.hatelabo.jp/archive/200606"
			when "https://anond.hatelabo.jp/archive/200607"
			when "https://anond.hatelabo.jp/archive/200608"
			when "https://anond.hatelabo.jp/archive/201709"
			when "https://anond.hatelabo.jp/archive/201710"
			when "https://anond.hatelabo.jp/archive/201711"
			when "https://anond.hatelabo.jp/archive/201712"
			else
			  @year_month_urls_from_200609_to_201708 << year_month_url
			end
		end
		return @year_month_urls_from_200609_to_201708
	end
end

sample = AnondArchive.new("https://anond.hatelabo.jp/archive/")
#puts sample.url
#puts sample.year
#puts sample.month
sample.add_year
sample.add_month
pp sample.make_year_month_urls_from_200609_to_201708