import os
import cPickle as pickle
from library import Library


class SavedData:
	def __init__(self,options):
		path = os.path.join(options.user,".ocarina")
		self.updateQ = False
		self.updateList = False
		self.path = path
		self.song = None
		self.quit = None
		if os.path.exists(self.path) == False:
			os.mkdir(self.path)
		self.load(path,options)
		#gobject.timeout_add(600000,self.dump)


	# Dump user data to a file
	def dump(self):
		self.save(self.library,"library")
		self.save([self.curList,self.curQ,self.curSong,self.playingQ],"playlist")
		self.save([self.size,self.divider,self.colSizes,self.sortedCol,self.random],"preferences")
		self.save(self.lfm,"last.fm")


	def save(self,obj,file):
		out = open(os.path.join(self.path,file),'w')
		p = pickle.Pickler(out,1)
		p.dump(obj)
		out.close()


	# Read user data from the file
	# Create values if files do not exist
	def load(self,path,options):
		self.library = self.load2("library")
		if self.library == None:
			self.library = Library()
		
		plist = self.load2("playlist")
		if plist == None:
			self.curList = []
			self.curQ = []
			self.curSong = 0
			self.playingQ = False
		else:
			self.curList = plist[0]
			self.curQ = plist[1]
			self.curSong = plist[2]
			self.playingQ = plist[3]
		
		prefs = self.load2("preferences")
		if prefs == None:
			self.size = (800,600)
			self.divider = 150
			self.colSizes = [110,110,110,110,110]
			self.sortedCol = 3
			self.random = False
		else:
			self.size = prefs [0]
			self.divider = prefs[1]
			self.colSizes = prefs[2]
			self.sortedCol = prefs[3]
			self.random = prefs[4]
		
		self.lfm = self.load2("last.fm")
		if self.lfm == None:
			self.lfm = ""


	def load2(self,file):
		path = os.path.join(self.path,file)
		if os.path.exists(path):
			p = pickle.Unpickler(open(path))
			data = p.load()
			return data
		return None