#!/bin/bash /usr/scripts/python.sh
# -*- coding: utf-8 -*-
import os
import sys
import time
import socket
import syslog
import thread
from threading import Thread
import gestion.secrets_new as secrets
from sip.asterisk import AGI, Manager, NullRecv

se = os.open("/tmp/breakage.log", os.O_WRONLY|os.O_APPEND|os.O_CREAT)
os.dup2(se, sys.stderr.fileno())
os.close(se)


def hangup_callback(manager, params):
    agi=manager.agi()
    if params['Channel'] == agi['channel']:
        os._exit(0)

def unreachble_callback(manager, params):
    agi=manager.agi()
    if params['Peer'] == "SIP/%s" % agi['callerid'] and params['PeerStatus'] in ['Unregistered','Unreachable']:
        agi.hangup(agi['channel'])
        os._exit(0)

def start_billing(agi, src, dest):
    syslog.syslog("Start billing from %s to %s" % (src, dest))
    while True:
        time.sleep(60)
        syslog.syslog("Billing from %s to %s, one more minutes" % (src, dest))


def Newstate_callback(manager, params):
    agi=manager.agi()
    syslog.syslog(params['ChannelStateDesc'])
    if params['ChannelStateDesc'] in ['Up'] and params['Channel'] == agi['channel']:
        t=Thread(target=start_billing, args=(agi, agi['callerid'], agi['extension']))
        t.start()

def dial(agi, to):
    agi.dial(to)
    os._exit(0)

if __name__ == '__main__' :
    manager=Manager("billing", secrets.get('asterisk_billig_passwd') , server="127.0.0.1", event=True, auto_connect=False, timeout=10)
    syslog.openlog('billing')
    agi=manager.agi()
    manager.register_events_callback('Newstate', Newstate_callback)
    manager.register_events_callback('PeerStatus', unreachble_callback)
    manager.register_events_callback('Hangup', hangup_callback)

    SIPDOMAIN=agi['SIPDOMAIN']
    if not SIPDOMAIN or SIPDOMAIN in ['crans.org']:
        SIPDOMAIN='forfait-ovh'
    t=Thread(target=dial, args=(agi, "SIP/%s@%s" % (agi['extension'], SIPDOMAIN)))
    t.start()

    while True:
        manager.connect()
        try:
            while True:
                manager.process_events()
                if not t.isAlive():
                    os._exit(0)
        except (socket.error, NullRecv):
            pass
    os._exit(0)