require 'digest/md5'
require 'fileutils'
require 'md5'
require 'net/http'
require 'thread'
require 'uri'



Config={}
Config[:user]="yourlastfmusername"
Config[:password]="yourpassword"

Submission_settings={}


def do_handshake
		timestamp = Time.now.gmtime.to_i.to_s

		md5 = Digest::MD5.hexdigest(Config[:password])
		md5 = Digest::MD5.hexdigest(md5 + timestamp)

# replace c=tst and v=1.0 to a vaild id of a last.fm client.

		query = "/?hs=true&p=1.2&c=tst&v=1.0&u=#{Config[:user]}&t=#{timestamp}&a=#{md5}"

		begin
			Net::HTTP.start("post.audioscrobbler.com", 80) do |http|
				resp = http.get(query).body.strip

				case resp
				when /^OK\n([0-9a-z]+)\n(.+)\n(.+)/
					puts("handshake succeeded")
					Submission_settings[:session_id] = $1
					Submission_settings[:now_playing_url] = URI.parse($2)
					Submission_settings[:submission_url] = URI.parse($3)
				when /^BANNED$/
					puts("banned")
				when /^BADTIME$/
					puts("bad time, go fix your clock")
				when /^FAILED (.+)$/
					puts("handshake failed - #{resp}")
				when /^BADAUTH$/
					puts("handshake failed - bad username/password")
				else
					puts("bad response in handshake - #{resp}")
				end
			end
		rescue SocketError => err
			puts("socket error: #{err}")
		rescue SystemCallError => err
			puts("system call error: #{err}")
		rescue IOError => err
			puts("io error: #{err}")
		rescue Timeout::Error
			puts("timeout during handshake")
		end
end

def now_playing(a)
	[:band,:song,:album,:lenght,:nr,:mb].each do |i|
		a[i]="" unless a[i]
		a[i]=a[i].to_s.gsub(/ /,'_')
	end

	Net::HTTP.post_form(Submission_settings[:now_playing_url],{"s"=>Submission_settings[:session_id],"a"=>a[:band], "t"=>a[:song], "b"=>a[:album],"l"=>a[:lenght], "n"=>a[:nr], "m"=>a[:mb]  })
end


def submit(a)
	[:band,:song,:album,:lenght,:rating,:nr,:mb].each do |i|
		a[i]="" unless a[i]
		a[i]=a[i].to_s.gsub(/ /,'_')
	end

	Net::HTTP.post_form(Submission_settings[:now_playing_url],{"s"=>Submission_settings[:session_id],"a[0]"=>a[:band], "t[0]"=>a[:song],"i[0]" =>Time.now.to_i,"o[0]" => 'P', "r[0]"=>a[:rating], "b[0]"=>a[:album],"l[0]"=>a[:lenght], "n[0]"=>a[:nr], "m[0]"=>a[:mb]  })
end