if __name__ == "__main__":
    timeout = 1

    try:
        opts, args = getopt.getopt(sys.argv[1:], "hu:p:vt:")
    except getopt.GetoptError, err:
        print str(err)
        sys.exit(-1)

    for o, a in opts:
        if o == "-v":
            verbose = True
        elif o == "-u":
            user = a
        elif o == "-p":
            password = a
        elif o == "-t":
            timeout = float(a)
        elif o == "-h":
            print "pytrader"
            exit(0)
        else:
            assert False, "unhandled option"

    if user == '' or password == '':
        error("Need username and password")
        sys.exit(-1)

    upencoded = urllib.urlencode({'name':user, 'pass':password})

    market = Market(upencoded, user, password)
    market.refresh()
    funds.refresh()

#    trans = Transaction.Transaction(1, 0.9829)
#    transactions.append(trans)
#    print trans.profitable_sell(market.last)

    #main loop
    running = True
    last = 0
    bid = 0
    ask = 0
    iter = 0

    while running:
        i, o, e = select.select([sys.stdin], [], [], timeout)

        for s in i:
            #user input TODO
            if s == sys.stdin:
                input = sys.stdin.readline().strip().split(" ")
                exec_command(input, funds, market)

        market.refresh()
        funds.refresh()

        # Transaction updates
        for t in transactions:
            if (t.profitable(market.last) is True) and t.inprogress is False:
                t.transact(market, market.last)
                t.update(market)
            elif ((t.profitable(market.ask) is True) and (t.inprogress is False)
            and (t.direction == "USD)")):
                status("Not profitable at market but profitable at ask")
                t.transact(market, market.ask)
                t.update(market)
            elif ((t.profitable(market.bid) is True) and (t.inprogress is
                False) and (t.direction == "BTC")):
                status("Not profitable at market but profitable at bid")
                t.transact(market, market.bid)
                t.update(market)
            else:
                t.update(market)
#            else:
#                status("Not profitable, cost is $" + str(t.btc * t.usd) +
#                        " worth $" + str(t.worth(market.last)))

        # UI updates
        if last != market.last:
            if last == 0:
                last = market.last
            elif last > market.last:
                status("-" + str((last - market.last)))
            elif last < market.last:
                status("+" + str((market.last - last)))

            market.pprint_last()
            last = market.last

        if (bid != market.bid) or (ask != market.ask):
            market.pprint_spread()
            ask = market.ask
            bid = market.bid