#!/usr/bin/env python
#
# Hack for Telex <> IRC bridge
#
# Reinders & Rick
import sys
import socket
import string
import serial
import time

telex = serial.Serial(port='/dev/ttyU0', baudrate='9600',timeout=1)

HOST="irc.freenode.net"
PORT=6667
NICK="telex106"
IDENT="telex106"
REALNAME="Telex Machine at OCC2011"
CHANNEL='#occ'

s=socket.socket( )
s.settimeout(1)
s.connect((HOST, PORT))
s.send("NICK %s\r\n" % NICK)
s.send("USER %s %s bla :%s\r\n" % (IDENT, HOST, REALNAME))
s.send("JOIN %s\r\n" % CHANNEL)

# Get rid of the annoying spam
show_output = False
telex_buffer = ''
irc_buffer = ''

# Infinite Loop
while True:
  irc_buffer = ''
  try:
    # Try reading IRC channel activity
    while True:
      c = s.recv(1)
      irc_buffer = irc_buffer + c
      if c == '\n':
        break
    if(irc_buffer[0:4]=="PING"):
        s.send("PONG %s\r\n" % irc_buffer[1])
    # Sanitizy and send to tty
    if ':End of /NAMES list.' in irc_buffer:
      show_output = True

    parts = irc_buffer.split()
    line = parts[0].split('!')[0].lstrip(':') + " = " + ' '.join(parts[3:]).lstrip(':') + "\r\n"
    print "IRC Received: " + irc_buffer,
    if 'PRIVMSG' in irc_buffer and show_output:
      if "BELL" in irc_buffer:
        telex.write(chr(7))
      telex.write("\x08\x08"+line)
  except socket.timeout:
    # Try reading from Serial and spit to IRC
    while True:
      c = telex.read(1)
      # Need input to process
      if not c:
        break
      print "Telex Input Character: '%s' (%s)" % (c,ord(c))
      telex_buffer = telex_buffer + c
      # Get a full line.
      if c == '\n':
        # First connect, make machine alive
        if 'Telex Retrointerface 0.2' in telex_buffer:
          print "Bringing machine alive"
          telex.write(str(0x08))
        else:
          s.send("PRIVMSG %s : %s\r\n" % (CHANNEL, telex_buffer))
          print "sending:"+ "PRIVMSG %s : %s\r\n" % (CHANNEL, telex_buffer)
        telex_buffer = ''
    continue