class ServerLogParser
  PSEUDO_IP_MATCHER = /(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/
  PATH_MATCHER = /^(.*?) /

  attr_reader :hits

  def initialize file_name
    @log_file = File.open(file_name)
    @hits = {}

    create_data
  end

  def create_data
    @log_file.each do |log_line|
      path = log_line.match(PATH_MATCHER)
      ip = log_line.match(PSEUDO_IP_MATCHER)
      next unless path && ip
      path, ip = path.captures.first, ip.captures.first
      if @hits.keys.include?(path)
        @hits[path] << ip
      else
        @hits[path] = [ip]
      end
    end

    print_out
  end

  def print_out
    puts 'Total'
    print_lines(sorted_by_total)
    puts "\nUniques"
    print_lines(unique=true, sorted_by_uniques)
  end

  def sorted_by_uniques
    @hits.sort_by { |k, v| v.uniq.count }.reverse
  end

  def sorted_by_total
    @hits.sort_by { |k, v| v.count }.reverse
  end

  def get_value(data, unique)
    [data.first, unique ? data.last.uniq.count : data.last.count]
  end

  def print_lines(unique=false, data)
    data.each do |datapoint|
      puts get_value(datapoint, unique).join(' ')
    end
  end
end

if ARGV.any? && File.file?(ARGV.first)
  parser = ServerLogParser.new(ARGV.first)
end