import lxml.etree
import os
import re
import zipfile


import net.Lliurex.JClic.Activity
import net.Lliurex.JClic.Settings

import locale
import gettext

import net.Lliurex.Base

locale.textdomain("lliurex-recursos")
gettext.textdomain("lliurex-recursos")
_=gettext.gettext 

    
    
class Library(net.Lliurex.Base.Base):
	
	
	def __init__(self,name,path):
		self.info("init")
		self.path = path
		self.name=name
		
		self.root= None
		self.document = None
			
		self.activities = []

		


	def load(self):
		print "Loading library " + self.name
		self.document = lxml.etree.parse(self.path)
		self.root = self.document.getroot()
		
		for node in self.root:
			if node.tag=="activities":
				for pnode in node:
					if pnode.tag=="activity":
						caption="noname"
						value = pnode.get("name")
						children = []
						
						for snode in pnode:
							if snode.tag=="description":
								for qnode in snode:
									if qnode.tag=="p":
										caption = qnode.text
										
							if snode.tag=="menuElement":
								sequence=snode.get("sequence")
								if not sequence==None:
									#print "child ",sequence
									self.info("child "+sequence)
									children.append(sequence)
						
						#print "Activity ",value, " ",caption
						self.info("Activity "+value+" "+caption)
						activity = net.Lliurex.JClic.Activity.Activity(caption,value) 
						activity.children = children
						self.activities.append(activity)
					#if
				#for
			#if
		#for		
		
		
	def get_current_installed(self,id):
		activity_node = None
		installed = []
		
		#todo: improve speed
		#looking activity node
		for node in self.root:
			if node.tag=="activities":
				for pnode in node:
					if pnode.tag=="activity":
						value = pnode.get("name")
						if value==id:
							activity_node = pnode
							break
		
		
		for pnode in activity_node:
			if pnode.tag=="menuElement":
				if pnode.get("sequence")==None:
					#print "JClic Found: " + pnode.get("caption") + "=>" + pnode.get("path") 
					installed.append((pnode.get("caption"),pnode.get("path")))
		
		
		return installed
		
	def sync_dir(self,id):
		
		activity_node = None
		
		#todo: improve speed
		#looking activity node
		for node in self.root:
			if node.tag=="activities":
				for pnode in node:
					if pnode.tag=="activity":
						value = pnode.get("name")
						if value==id:
							activity_node = pnode
							break
		
		
		for pnode in activity_node:
			if pnode.tag=="menuElement":
				if pnode.get("sequence")==None:
					activity_node.remove(pnode)
				
		
		
		for caption,path in net.Lliurex.JClic.Settings.Settings.jclics:
			#print "Found: ",caption,"->",path
			self.info("Found: "+caption+"->"+path)
			child=lxml.etree.SubElement(activity_node,"menuElement")
			child.set("caption",unicode(caption))
			child.set("path",path)
		
			
		
		f = open(self.path,"w")
		f.writelines(lxml.etree.tostring(self.root, encoding="UTF-8",xml_declaration=True,pretty_print=True))
		f.close()