require 'libhttpclient'

want = ARGV.join '+'

# target: url? search term? torrent file?
if File.exist? want
	# torrent file
	file = want
else
	if want =~ /^http.*:\/\//
		h = HttpClient.new want
		lnk = want
	else
		h = HttpClient.new 'http://btjunkie.org/'
		pg = h.get "/search?q=#{want}"
		lnk = h.links.grep(/dl.btjunkie.org.*#{want.gsub('+', '.*')}.*torrent$/i).first
		h = HttpClient.new lnk
	end
	p = h.get lnk
	# save tmp file
	Dir.chdir(ENV['DLDIR'] || '/home/shared/films/dl')
	file = "auto.#{want.gsub(/[^a-z0-9.-]/i, '_')}.torrent"
	File.open(file, 'w') { |fd| fd.write p.content }
end

# remove torrent from session dir
sess = File.read(File.expand_path('~/.rtorrent.rc'))[/^session\s*=\s*(\/.*)/, 1] rescue nil
# list of files before starting rtorrent
prest = Dir[File.join(sess, '*.torrent')] if sess
system 'rtorrent', file
# remove torrent file
File.unlink file rescue nil
# cleanup session dir if only 1 file added
st = Dir[File.join(sess, '*.torrent')] - prest if sess
File.unlink st.first if st and st.length == 1