#!/usr/bin/env ruby

require 'freedb'

# The default output for each track is NN - title.flac=NN - title.
# To simplify this to just the title, uncomment the following line
simple_format = true

def readable_length(l)
  s = l
  h = 0
  if l >= 3600
    h, s = l.divmod(3600)
  end
  m, s = s.divmod(60)
  sprintf("%dh %02dm %02ds", h, m, s)
end

f = Freedb.new("/dev/cdrom")
case ARGV[0]
  when "cgi"
    #puts "using cgi method"
    f.fetch_cgi
  when /^disk=(.+)/
    #puts "using disk method"
    f.fetch_disk($1)
  when /^disk_win=(.+)/
    #puts "using disk (windows format) method"
    f.fetch_disk($1, true)
  else
    #puts "using socket method"
    f.fetch_net
end

#p f.results

if f.results.size > 1 # if more than 1 result
  f.results.each_with_index { |title,i|
    STDERR.printf("%02d %s\n", i, title)
  }
  STDERR.print "Enter selection: "
  STDERR.flush
  f.get_result(STDIN.gets.to_i)
elsif f.results.size == 1
  f.get_result(0)
else
  puts "No match found."
  exit(1)
end


puts "Artist=#{f.artist}"
puts "Album=#{f.title}"

if f.genre
   puts "Genre=#{f.genre}"
elsif f.category
   puts "Genre=#{f.category}"
else
   puts "Genre=unknown"
end

if f.year != 0
   puts "Date=#{f.year}"
else
   if f.ext_infos =~ /YEAR:\s*(\d+)/
      puts "Date=#{$1}"
   else
      puts "Date=0000"
   end
end

f.tracks.each_with_index do |tr,i|
   if (simple_format)
      puts(tr['title'])
   else
      printf("%02d - %s.flac=%02d - %s\n", i+1, tr['title'], i+1, tr['title'])
   end
end
f.close