#!/usr/bin/env python

import string
import sys
import os
import termios, TERMIOS
import regex
import time
import signal

import txtdb


prefixes = { "010":  "NMT-nallar",
	     "011":  "Norrköping",
	     "0120": "Åtvidaberg",
	     "0121": "Söderköping",
	     "0122": "Finspång",
	     "013":  "Linköping",
	     "031":  "Göteborg",
	     "040":  "Malmö",
	     "0411": "Ystad",
	     "042":  "Helsingborg - Höganäs",
	     "0451": "Hässleholm",
	     "0494": "Kisa",
	     "0707": "GSM-nallar Comviq",
	     "0708": "GSM-nallar (Europolitan eller Telia?)",
	     "08":   "Stockholm" }


def fmt_num(num):
    for p in prefixes.keys():
	try:
	    if string.index(num, p) == 0:
		fnum = p + "-" + num[len(p):]
		return fnum
	except:
	    pass
    return num


def get_name(book, num):
    callers = map(lambda x: ((hasattr(x, "nick") and x.nick)
			     or (hasattr(x, "namn") and x.namn)
			     or "[Namnlös]"),
		  book.select(tel=num))
    if len(callers) == 0:
	name = "(Okänd)"
    elif len(callers) == 1:
	name = callers[0]
    else:
	name = string.join(callers[:-1], ", ") + " & " + callers[-1]
    return name


def now():
    return time.ctime(time.time())

def main():
    ttyfile = "/dev/cua1"
    bookfile = "~/diverse/adresslista"
    telebook = txtdb.open(os.path.expanduser(os.path.expandvars(bookfile)))
    signal.signal(signal.SIGINT, signal.SIG_DFL)
    modem = open(ttyfile)
    attr = termios.tcgetattr(modem.fileno())
    attr[4] = attr[5] = TERMIOS.B38400
    termios.tcsetattr(modem.fileno(), TERMIOS.TCSANOW, attr)

    nmbr_re = regex.compile("^NMBR = \(.*\)")
    print "-------- Listening on", ttyfile, "since", now(), "--------"

    while 1:
	l = string.strip(modem.readline())
	if l != "":
	    print now() + ": " + l
	if nmbr_re.search(l) >= 0:
	    num = nmbr_re.group(1)
	    fnum = fmt_num(num)
	    name = get_name(telebook, fnum)
	    print "\nNumber was %s: %s\n" % (fnum, name)


if __name__ == "__main__":
    main()