# frozen_string_literal: true

require 'optparse'

lines = 0
words = 0
bytes = 0

options = {}
OptionParser.new do |opts|
  opts.on('-l') do
    options[:lines] = true
  end
  opts.on('-w') do
    options[:words] = true
  end
  opts.on('-c') do
    options[:bytes] = true
  end
end.parse!

file_path = ARGV[0]
if file_path.nil?
  puts 'ファイルパスがありません。'
  exit
end

File.open(file_path) do |file|
  file.each_line do |line|
    lines += 1
    words += line.split.size
    bytes += line.bytesize
  end
end

options = { bytes: true, lines: true, words: true } if options.empty?
result = []
result << lines if options[:lines]
result << words if options[:words]
result << bytes if options[:bytes]

puts "#{result.join(' ')} #{file_path}"