拉勾代码

fizz_buzz_whizz.rb

class FizzBuzzWhizz

  def start_game
    input_numbers
    warp_numbers_with_bingo_message
    play
  end


  private

    def input_numbers
      puts "please input tree numbers, the numbers's range is 0~9"
      @numbers = []
      while @numbers.length != 3 do
        numbers = gets.chomp.split(',')
        if numbers.all?{|number| is_valid? number}
          @numbers = numbers
        else
          puts "invalid numbers input, please input again:"
        end
      end
    end

    def is_valid?(number)
      number =~ /^[1-9]$/
    end

    def warp_numbers_with_bingo_message
      @bingo = {}
      %w(Fizz Buzz Whizz).each_with_index{ |v,i| @bingo[@numbers[i]] = v }
    end

    def play
      (1..100).each { |number| on_turn(number) }
    end

    def on_turn(number)
      contain_number = contain?(number)
      if contain_number
        puts @bingo[@numbers[0]]
      elsif is_multiple?(number)
        play_with_multiple_number(number)
      else
        puts number
      end
    end

    def play_with_multiple_number(number)
      message = ""
      @numbers.each{|n| message += @bingo[n] if ( number % n.to_i) == 0}
      puts message
    end


    def contain?(number)
      number.to_s.split("").index(@numbers[0])
    end

    def is_multiple?(number)
      @numbers.any?{ |n| (number % n.to_i ) == 0 }
    end

end


fbw = FizzBuzzWhizz.new
fbw.start_game