import gobject
import os
import sys
import thread

from song import Song
from cline import CLine
from duration import Duration
from library import Library
from playlist import Playlist
from songInfo import SongInfo
#import cmnds

class main:
	def __init__(self,argv):
		#if len(argv) == 0:
		#	print "python ocarina.py /path/to/song/"
		#	return
		self.commands = CLine()
		self.registerCmnds()

		self.library = Library(self.commands.printLines)
		self.plist = Playlist(self.commands.printLines)
		self.plist.insert(self.library.nonBanned())

		self.song = None
		# If we were given a song as input, check that it exists and begin playback
		if len(argv) > 0:
			split = argv[0].split(self.library.data.path)
			if len(split) > 0:
				index = self.library.has(split[len(split)-1])
			#if index != -1:
				#info = self.library.data.files[index]
			self.plist.queueSong(index)
			if index==-1:
				file = os.path.expanduser(argv[0])
				if os.path.exists(file):
					info = SongInfo()
					info.filename = file
					self.song = Song(info,self.next,self.commands.printLines)
		self.next("")

		# Start main loop as a thread so we can get bus calls and use command line
		gobject.threads_init()
		mainloop = gobject.MainLoop()
		thread.start_new_thread(mainloop.run,())


	# Register commands for use in command line
	def registerCmnds(self):
		self.commands.register("quit",self.quit,"Exit ocarina")
		self.commands.register("exit",self.quit,"Exit ocarina")
		self.commands.register("play",self.play,"Play current song")
		self.commands.register("pause",self.pause,"Pause current song")
		self.commands.register("time",self.time,"Display running time")
		self.commands.register("info",self.info,"Display detailed info about current song")
		self.commands.register("this",self.this,"Display basic info about current song")
		self.commands.register("lib",self.scanLib,"Create a library based on the directory passed in")
		self.commands.register("next",self.next,"Advance to the next song")
		self.commands.register("random",self.random,"Toggle shuffle")

	# Quit program
	def quit(self,unused):
		self.commands.quit()
		self.library.dump()
		print "Quitting..."
		sys.exit(0)

	# Begin playback
	def play(self,unused):
		if self.song == None:
			return
		self.song.play()

	# Pause music
	def pause(self,unused):
		if self.song == None:
			return
		self.song.pause()

	# Show running time info
	def time(self,unused):
		if self.song == None:
			return
		cur = self.song.curTime()
		tot = self.song.info.length
		self.commands.printLine(cur.toStr()+" / "+tot.toStr())

	# Show detailed song info
	def info(self,unused):
		# Return if no song found
		if self.song == None:
			return
		# Return if no tags found
		if self.song.info.tags == None:
			self.commands.printLine("Could not find any tags")
			return
		for tag in self.song.info.tags.keys():
			self.commands.printLine(tag+": "+str(self.song.info.tags[tag]))
		self.commands.printLine(self.song.info.filename)

	# Show basic song info
	def this(self,unused):
		# Return if no song found
		if self.song == None:
			return
		# Return if no tags found
		if self.song.info.tags == None:
			self.commands.printLine("Could not find any tags")
			return
		fields = ["title","artist","track-number","track-count","album"]
		for field in fields:
			if (field in self.song.info.tags.keys()) == True:
				self.commands.printLine(field+": "+str(self.song.info.tags[field]))


	def scanLib(self,dir):
		if dir == "":
			self.commands.printLine("Please include a library directory")
			return
		self.library.scan(dir)


	def next(self,unused):
		if self.song != None:
			self.song.close()
		index = self.plist.next()
		if index > -1:
			self.song = None
			info = self.library.data.files[index]
			self.song = Song(info,self.next,self.commands.printLines)
		if index > -2:
			self.song.play()


	def random(self,unused):
		self.plist.random = not self.plist.random

if __name__=='__main__':main(sys.argv[1:])