from enigma import eTimer
from Components.config import config
from Components.Console import Console
from enigma import eTimer, eDVBLocalTimeHandler, eEPGCache
try:
 from Tools.StbHardware import setRTCtime
except:
 from Tools.DreamboxHardware import setRTCtime
from time import time

class NTPSyncPoller:
 """Automatically Poll NTP"""
 run_num = 0   
 def __init__(self):
  NTPSyncPoller.run_num += 1
  self.timer = eTimer()
  self.Console = Console()

 def start(self):
  if not self.timer.callback:
   self.timer.callback.append(self.NTPStart)
  self.timer.startLongTimer(0)

 def stop(self):
  if self.timer.callback:
   self.timer.callback.remove(self.NTPStart)
  self.timer.stop()

 def NTPStart(self):
  if (NTPSyncPoller.run_num == "1" or NTPSyncPoller.run_num == "2"):
   self.timer.startLongTimer(int(config.plugins.SetClock.useNTPminutes.value) * 60)
  else:#2
   if config.plugins.SetClock.choiceSystemTime.value == "1":
    if not config.plugins.SetClock.useNTPminutes.value == "0":
     cmd = '/usr/lib/enigma2/python/Plugins/Extensions/SetClock/ntpdate -s -u %s' % config.plugins.SetClock.ip.value
     self.Console.ePopen(cmd, self.update_schedule)
     self.timer.startLongTimer(int(config.plugins.SetClock.useNTPminutes.value) * 60)

 def update_schedule(self, result = None, retval = None, extra_args = None):
  if eDVBLocalTimeHandler.getInstance().ready():
   nowTime = time()
   if nowTime > 1388534400:
    setRTCtime(nowTime)
    if config.plugins.SetClock.choiceSystemTime.value == "0":
     eDVBLocalTimeHandler.getInstance().setUseDVBTime(True)
    else:
     eDVBLocalTimeHandler.getInstance().setUseDVBTime(False)
    try:
     eEPGCache.getInstance().timeUpdated()
    except:
     pass