#/usr/bin/env python

import jabber
import sys

def _gdisconnectHD(param=None):
  if param:
    print "  Disconnecting : "+param
  return None

class Account:
  def __init__(self):
    self._host=None
    self._login=None
    self._password=None
    self._rosterHash={}
    self._proto2transport={}
    self._transport2proto={}
    self._cnx=None

  def setHost(self,hostName):
    self._host=hostName

  def setLogin(self,userName):
    self._login=userName
    
  def setPassword(self,passWord):
    self._password=passWord
  
  def setProtocol(self,protocolName,transportName):
    self._proto2transport[protocolName]=transportName
    
  def setTransport(self,transportName,protocolName):
    self._transport2proto[transportName]=protocolName
  
  def getTransport(self,protocolName):
    if self._proto2transport.has_key(protocolName):
      return self._proto2transport[protocolName]
    else:
      return None

  def getProtocol(self,hostName):
    if self._transport2proto.has_key(hostName):
      return self._transport2proto[hostName]
    else:
      return None
    
  def connect(self):
    # se connecte et choppe le roster
    ## connexion au serveur
    self._cnx=jabber.Client(host=self._host)
    self._cnx.setDisconnectHandler(_gdisconnectHD)
    if self._cnx:
      try:
        self._cnx.connect()
        sys.stderr.write("* Connected to "+self._host+"\n")
        ## authentification
        if self._login and self._password \
          and self._cnx.auth(self._login, self._password, 'default'):
          sys.stderr.write("  Authenticated\n")
        else:
          sys.stderr.write("  Not Athenticated. \n")
	  sys.stderr.write("  Disconnecting from "+self._host+"\n")
          self._cnx=None
      except IOError, e:
        print e
        self._cnx=None
	  
  def disconnect(self):
    if self._cnx:
      self._cnx.disconnect()
      sys.stderr.write("  Disconnected from"+self._host+"\n")
 
  
  def getAgents(self):
    if self._cnx:
      agentsList=self._cnx.requestAgents()
      sys.stderr.write("  Agents list downloaded:\n")
      print agentsList
      for agent in agentsList.keys():
        if agent:
	  self.setProtocol(agentsList[agent]["service"],agent)
	  self.setTransport(agent,agentsList[agent]["service"])
	  print "  - "+agent+" @ "+agentsList[agent]["service"]
      return self._transport2proto
    else:
      return None
 
  def getRoster(self):
    if self._cnx:
      roster=self._cnx.requestRoster()
      sys.stderr.write("  Roster downloaded\n")
      jid_list=roster.getJIDs()
      for jid in jid_list:
        transport=jid.getDomain()
	node=jid.getNode()
	if not self._rosterHash.has_key(transport):
	  self._rosterHash[transport]={}
	if not self._rosterHash[transport].has_key(node):
	  self._rosterHash[transport][node]=1
      return roster
    else:
      return None
  
  def setRoster(self,rosterHash):
    # on se connecte
    if self._cnx:
      for trans_proto in rosterHash.keys():
        trans_host=self.getTransport(trans_proto)
        if not trans_host: trans_host=trans_proto
        # pour chaque id connue dans ce proto
        for proto_id in rosterHash[trans_proto]:
          if proto_id:
	    jid=jabber.JID()
            jid.setNode(proto_id)
	    jid.setDomain(trans_host)
            jid.setResource("")
	    jid_name,jid_groups=rosterHash[trans_proto][proto_id]
	    sys.stdout.write(" -> "+proto_id)
	    sys.stdout.write(" @ "+trans_host)
	    sys.stdout.write(" = "+jid_name.encode('iso-8859-1','replace')+"...")
	    sys.stdout.flush()
	    if not(self._rosterHash.has_key(trans_host) \
	      and self._rosterHash[trans_host].has_key(proto_id)):
              self._cnx.addRosterItem(jid)
	      sys.stdout.write(" [done]\n")
	    else:
	      #ne pas faire la mise a jour, le contact existe deja la-bas
	      sys.stdout.write(" [exists]\n")
            # on met d'abord a jour le nom
            self._cnx.updateRosterItem(jid,name=jid_name)
	    # puis le groupe
            self._cnx.updateRosterItem(jid,name=jid_name,groups=jid_groups)