#!/usr/bin/python
# -*- coding: UTF-8 -*-

import dbus
import sys
import time
import re

#constants
CONTACTS_BUSNAME = 'org.freesmartphone.ogsmd'
CONTACTS_OBJECTPATH = '/org/freesmartphone/GSM/Device'
CONTACTS_INTERFACE = 'org.freesmartphone.GSM.SIM'

SMS_BUSNAME = 'org.freesmartphone.ogsmd'
SMS_OBJECTPATH = '/org/freesmartphone/GSM/Device'
SMS_INTERFACE = 'org.freesmartphone.GSM.SMS'

def get_number(name):
	global contacts
	for contact in contacts:
		if (contact[1].lower() == name.lower()):
			return contact[2]
	return ""

def getDbusObject (bus, busname , objectpath , interface):
	dbusObject = bus.get_object(busname, objectpath)
	return dbus.Interface(dbusObject, dbus_interface=interface)

def getContactsObject (bus, busname = CONTACTS_BUSNAME, objectpath = CONTACTS_OBJECTPATH, interface = CONTACTS_INTERFACE):
	return getDbusObject (bus, busname , objectpath , interface)

def getSMSObject (bus, busname = SMS_BUSNAME, objectpath = SMS_OBJECTPATH, interface = SMS_INTERFACE):
	return getDbusObject (bus, busname , objectpath , interface)
	
def createSMSArray(smstext):
	if (smstext > 160):
		maxlen  = 140
		smslen  = len (smstext)
		startchar = 0
		endchar = maxlen
		sms_parts = (smslen / maxlen) + 1 #in teoria il risultato dovrebbe essere integer
		if (sms_parts < 10):
			txt_sms_parts = "0" + str(sms_parts)
		else:
			txt_sms_parts = str(sms_parts)
		array_sms = []
		for i in range(sms_parts):
			if (i<10):
				sms_part = "0" + str(i)
			else:
				sms_part = str(i)
			array_sms.append(smstext[startchar:endchar] + "# Part " + sms_part + " of " + txt_sms_parts + " #")
			startchar = startchar + maxlen
			endchar = endchar + maxlen
	else:
		array_sms = [smstext]
		
	return array_sms
	
def send_sms(sms, recipient):
	global smsObject
	messages = createSMSArray(sms)
	for message in messages:
		smsObject.SendMessage(recipient, message, [])
		time.sleep(10)


systemBus = dbus.SystemBus()

smsObject = getSMSObject(systemBus)

#retrieve contacts
contactsObject = getContactsObject(systemBus)
contacts = contactsObject.RetrievePhonebook("contacts")

recipients = sys.argv[2:]
for recipient in recipients:
	if (re.match("^[+0-9]*$", recipient)):
		print "Sending: " + sys.argv[1]
		print "To: " + recipient
		send_sms(sys.argv[1], recipient)
	else:
		recipient_number = get_number(recipient)
		if (len(recipient_number) > 0):
			print "Sending: " + sys.argv[1]
			print "To: " + recipient + "<" + str(recipient_number) + ">"
			send_sms(sys.argv[1], recipient)
		else:
			print "Error: '" + recipient + "' not found"