import.rb

csv = File.open("index.csv", "w")

Dir.glob("in/*").each_with_index do |path, i|
  file = path.gsub("in/", "").gsub(/\.wav$/, "")
  index = i + 1

  difficulty = case file
  when /^latwe/
    1
  when /^srednie/
    2
  when /^trudne/
    3
  end
  artist, title = file.gsub(/^(latwe|srednie|trudne)_/, "").split(" - ")
  puts "#{difficulty} | #{artist} | #{title} (#{file})"
  system("lame '#{path}' 'out/#{index}.mp3'")
  csv << [index, index, artist, title, difficulty].map { |s| '"' + s.to_s + '"' }.join(";") + "\n"
end