require "read_time/version"

module ReadTime
  module String
    @output = ""

    def seconds_to_read
      (self.split(" ").count / 3.3333333333).to_i
    end

    def minutes_to_read(secs)
      if secs / 60 > 1
        @output << "#{secs / 60} minutes "
      else
        @output << "1 minute "
      end

      if secs % 60 > 0
        if secs % 60 > 1
          @output << "#{secs % 60} seconds"
        else
          @output << "1 second"
        end
      end
    end

    def hours_to_read(secs)
      if secs / 3600 > 1
        @output << "#{secs / 3600} hours "
      else
        @output << "1 hour "
      end

      if secs % 3600 > 0
        minutes_to_read(secs % 3600)
      end
    end

    def time_to_read
      if seconds_to_read <= 1
        puts "1 second"
      elsif seconds_to_read > 1 && seconds_to_read < 60
        puts "#{seconds_to_read} seconds"
      else
        if seconds_to_read > 3600
          hours_to_read(seconds_to_read)
        else
          minutes_to_read(seconds_to_read)
        end
        puts @output
      end
    end
  end
end

class String
  include ReadTime::String
end