#!/usr/bin/ruby

require "dbus"
require "rubygems"
require "librmpd"

class Pidgin2MPD
	def initialize
		@b=DBus::SessionBus.instance
		@s=@b.service("im.pidgin.purple.PurpleService")
		@o=@s.object("/im/pidgin/purple/PurpleObject")
		@o.introspect
		@i=@o["im.pidgin.purple.PurpleInterface"]
	end

	def change(msg)
		status=@i.PurpleSavedstatusFind("MPD2Pidgin").to_s.to_i
		if status==0
			@i.PurpleSavedstatusNew("MPD2Pidgin", 2)
			status=@i.PurpleSavedstatusFind("MPD2Pidgin").to_s.to_i
		end
		@i.PurpleSavedstatusSetMessage(status, msg)
		@i.PurpleSavedstatusActivate(status)
	end
end

class MPD2Pidgin
	def initialize(host="localhost", port="6600")
		@host,@port=host,port
		@mpd=MPD.new @host, @port
		@mpd.register_callback(self.method('callback'), MPD::CURRENT_SONG_CALLBACK)
	end

	def start
		@mpd.connect true
		puts "Ctrl+D para fechar"
		t=Thread.new do
			readlines
			self.stop
		end
		t.join
	end

	def stop
		@mpd.disconnect
	end

	def callback(c)
		@current=c
		msg="♫ #{@current.title} - #{@current.artist}" # Personalize essa linha, é divertido.
		if !@pidgin
			@pidgin=Pidgin2MPD.new
		end
		@pidgin.change msg
	end
end

mpd=MPD2Pidgin.new # "127.0.0.1", "6600" # os argumentos são host e porta, para quem precisar
mpd.start