twgs-proxy/flexible.py

from twisted.internet import reactor
from twisted.internet import task
from twisted.internet import defer
from colorama import Fore, Back, Style
from twisted.python import log

from itertools import cycle
import pendulum
from pprint import pformat


def merge(color_string):
    """ Given a string of colorama ANSI, merge them if you can. """
    return color_string.replace("m\x1b[", ";")


class PlayerInput(object):
    """ Player Input 

    Example:
    from flexible import PlayerInput

    ask = PlayerInput(self.game)
    # abort_blank means, if the input field is blank, abort.  Use error_back.
    d = ask.prompt("What is your quest?", 40, name="quest", abort_blank=True)

    # Display the user's input / but not needed.
    d.addCallback(ask.output)

    d.addCallback(
        lambda ignore: ask.prompt(
            "What is your favorite color?", 10, name="color"
        )
    )
    d.addCallback(ask.output)

    d.addCallback(
        lambda ignore: ask.prompt(
            "What is your least favorite number?",
            12,
            name="number",
            digits=True,
        )
    )
    d.addCallback(ask.output)

    def show_values(show):
        log.msg(show)
        self.queue_game.put(pformat(show).replace("\n", "\n\r") + self.nl)

    d.addCallback(lambda ignore: show_values(ask.keep))
    d.addCallback(self.welcome_back)

    # On error, just return back
    d.addErrback(self.welcome_back)    
    """
    def __init__(self, game):
        # I think game gives us access to everything we need
        self.game = game
        self.observer = self.game.observer
        self.save = None
        self.deferred = None
        self.queue_game = game.queue_game
        self.keep = {}

        # default colors
        self.c = merge(Style.BRIGHT + Fore.WHITE + Back.BLUE)
        self.cp = merge(Style.BRIGHT + Fore.YELLOW + Back.BLUE)

        # useful consts
        self.r = Style.RESET_ALL
        self.nl = "\n\r"
        self.bsb = "\b \b"

        self.keepalive = None

    def color(self, c):
        self.c = c

    def colorp(self, cp):
        self.cp = cp

    def alive(self):
        log.msg("PlayerInput.alive()")
        self.game.queue_player.put(" ")

    def prompt(self, user_prompt, limit, **kw):
        """ Generate prompt for user input.

        Note:  This returns deferred.

        prompt = text displayed.
        limit = # of characters allowed.
        default = (text to default to)

        keywords:
        abort_blank : Abort if they give us blank text.
        name : Stores the input in self.keep dict.
        digits : Only allow 0-9 to be entered.

        """
        log.msg("PlayerInput({0}, {1}, {2}".format(user_prompt, limit, kw))
        self.limit = limit
        self.input = ""
        self.kw = kw
        assert self.save is None
        assert self.keepalive is None

        # Note: This clears out the server "keep alive"
        self.save = self.observer.save()
        self.observer.connect("player", self.get_input)

        self.keepalive = task.LoopingCall(self.alive)
        self.keepalive.start(30)

        # We need to "hide" the game output.
        # Otherwise it WITH mess up the user input display.
        self.to_player = self.game.to_player
        self.game.to_player = False

        # Display prompt
        # self.queue_game.put(self.r + self.nl + self.c + user_prompt + " " + self.cp)
        self.queue_game.put(self.r + self.c + user_prompt + self.r + " " + self.cp)
        # Set "Background of prompt"
        self.queue_game.put(" " * limit + "\b" * limit)

        assert self.deferred is None
        d = defer.Deferred()
        self.deferred = d
        log.msg("Return deferred ...", self.deferred)
        return d

    def get_input(self, chunk):
        """ Data from player (in bytes) """
        chunk = chunk.decode("utf-8", "ignore")

        for ch in chunk:
            if ch == "\b":
                if len(self.input) > 0:
                    self.queue_game.put(self.bsb)
                    self.input = self.input[0:-1]
                else:
                    self.queue_game.put("\a")
            elif ch == "\r":
                self.queue_game.put(self.r + self.nl)
                log.msg("Restore observer dispatch", self.save)
                assert not self.save is None
                self.observer.load(self.save)
                self.save = None
                log.msg("Disable keepalive")
                self.keepalive.stop()
                self.keepalive = None
                line = self.input
                self.input = ""
                assert not self.deferred is None
                self.game.to_player = self.to_player

                # If they gave us the keyword name, save the value as that name
                if "name" in self.kw:
                    self.keep[self.kw["name"]] = line

                if "abort_blank" in self.kw and self.kw["abort_blank"]:
                    # Abort on blank input
                    if line.strip() == "":
                        # Yes, input is blank, abort.
                        log.msg("errback, abort_blank")
                        reactor.callLater(
                            0, self.deferred.errback, Exception("abort_blank")
                        )
                        self.deferred = None
                        return

                # Ok, use deferred.callback, or reactor.callLater?
                # self.deferred.callback(line)
                reactor.callLater(0, self.deferred.callback, line)
                self.deferred = None
                return
            elif ch.isprintable():
                # Printable, but is it acceptable?
                if "digits" in self.kw:
                    if not ch.isdigit():
                        self.queue_game.put("\a")
                        continue

                if len(self.input) + 1 <= self.limit:
                    self.input += ch
                    self.queue_game.put(ch)
                else:
                    self.queue_game.put("\a")

    def output(self, line):
        """ A default display of what they just input. """
        log.msg("PlayerInput.output({0})".format(line))
        self.game.queue_game.put(self.r + "[{0}]".format(line) + self.nl)
        return line


PORT_CLASSES = {
    1: "BBS",
    2: "BSB",
    3: "SBB",
    4: "SSB",
    5: "SBS",
    6: "BSS",
    7: "SSS",
    8: "BBB",
}
CLASSES_PORT = {v: k for k, v in PORT_CLASSES.items()}
import re

class CIMWarpReport(object):
    def __init__(self, game):
        self.game = game
        self.queue_game = game.queue_game
        self.queue_player = game.queue_player
        self.observer = game.observer
        # Yes, at this point we would activate
        self.prompt = game.buffer
        self.save = self.observer.save()

        # I actually don't want the player input, but I'll grab it anyway.
        self.observer.connect("player", self.player)

        self.observer.connect("prompt", self.game_prompt)
        self.observer.connect("game-line", self.game_line)

        # If we want it, it's here.
        self.defer = None
        self.to_player = self.game.to_player

        # Hide what's happening from the player
        self.game.to_player = False

        self.queue_player.put("^")  # Activate CIM
        self.state = 1
        self.warpdata = {}
        self.warpcycle = cycle(["/", "-", "\\", "|"])

    def game_prompt(self, prompt):
        if prompt == ": ":
            if self.state == 1:
                # Ok, then we're ready to request the port report
                self.warpcycle = cycle(["/", "-", "\\", "|"])
                self.queue_player.put("I")
                self.state = 2
            elif self.state == 2:
                self.queue_player.put("Q")
                self.state = 3
        if re.match(r"Command \[TL=.* \(\?=Help\)\? :", prompt):
            if self.state == 3:
                # Ok, time to exit
                # exit from this...
                self.game.to_player = self.to_player
                self.observer.load(self.save)
                self.save = None
                self.game.warpdata = self.warpdata
                self.queue_game.put("\b \b\r\n")

                if not self.defer is None:
                    self.defer.callback(self.warpdata)
                    self.defer = None

    def game_line(self, line):
        if line == "" or line == ": ":
            return
        if line == ": ENDINTERROG":
            return
        if line.startswith('Command [TL='):
            return

        # This should be the CIM Report Data -- parse it
        if self.warpcycle:
            if len(self.warpdata) % 10 == 0:
                self.queue_game.put("\b" + next(self.warpcycle))

        work = line.strip()
        parts = re.split(r"(?<=\d)\s", work)
        parts = [int(x) for x in parts]
        sector = parts.pop(0)
        # tuples are nicer on memory, and the warpdata map isn't going to be changing.
        self.warpdata[sector] = tuple(parts)

    def __del__(self):
        log.msg("CIMWarpReport {0} RIP".format(self))

    def whenDone(self):
        self.defer = defer.Deferred()
        # Call this to chain something after we exit.
        return self.defer

    def player(self, chunk):
        """ Data from player (in bytes). """
        chunk = chunk.decode("utf-8", "ignore")
        key = chunk.upper()
        log.msg("CIMWarpReport.player({0}) : I AM stopping...".format(key))

        # Stop the keepalive if we are activating something else
        # or leaving...
        # self.keepalive.stop()

        self.queue_game.put("\b \b\r\n")

        if not self.defer is None:
            # We have something, so:
            self.game.to_player = self.to_player
            self.observer.load(self.save)
            self.save = None
            self.defer.errback(Exception("User Abort"))
            self.defer = None
        else:
            # Still "exit" out.
            self.game.to_player = self.to_player
            self.observer.load(self.save)


class CIMPortReport(object):
    """ Parse data from CIM Port Report 

    Example:

    from flexible import CIMPortReport

    report = CIMPortReport(self.game)
    d = report.whenDone()
    d.addCallback(self.port_report)
    d.addErrback(self.welcome_back)    

    def port_report(self, portdata):
        self.portdata = portdata
        self.queue_game.put("Loaded {0} records.".format(len(portdata)) + self.nl)
        self.welcome_back()

    def welcome_back(self,*_):
        ... restore keep alive timers, etc.
    """
    def __init__(self, game):
        self.game = game
        self.queue_game = game.queue_game
        self.queue_player = game.queue_player
        self.observer = game.observer
        # Yes, at this point we would activate
        self.prompt = game.buffer
        self.save = self.observer.save()

        # I actually don't want the player input, but I'll grab it anyway.
        self.observer.connect("player", self.player)

        self.observer.connect("prompt", self.game_prompt)
        self.observer.connect("game-line", self.game_line)

        # If we want it, it's here.
        self.defer = None
        self.to_player = self.game.to_player
        log.msg("to_player (stored)", self.to_player)

        # Hide what's happening from the player
        self.game.to_player = False

        self.queue_player.put("^")  # Activate CIM
        self.state = 1
        self.portdata = {}
        self.portcycle = cycle(["/", "-", "\\", "|"])

    def game_prompt(self, prompt):
        if prompt == ": ":
            if self.state == 1:
                # Ok, then we're ready to request the port report
                self.portcycle = cycle(["/", "-", "\\", "|"])
                self.queue_player.put("R")
                self.state = 2
            elif self.state == 2:
                self.queue_player.put("Q")
                self.state = 3
        if re.match(r"Command \[TL=.* \(\?=Help\)\? :", prompt):
            if self.state == 3:
                # Ok, time to exit
                # exit from this...
                self.game.to_player = self.to_player
                self.observer.load(self.save)
                self.save = None
                self.game.portdata = self.portdata
                self.queue_game.put("\b \b\r\n")

                if not self.defer is None:
                    self.defer.callback(self.portdata)
                    self.defer = None

    def game_line(self, line):
        if line == "" or line == ": ":
            return
        if line == ": ENDINTERROG":
            return

        # This should be the CIM Report Data -- parse it
        if self.portcycle:
            if len(self.portdata) % 10 == 0:
                self.queue_game.put("\b" + next(self.portcycle))

        work = line.replace("%", "")

        parts = re.split(r"(?<=\d)\s", work)

        if len(parts) == 8:
            port = int(parts[0].strip())
            data = dict()

            def portBS(info):
                if info[0] == "-":
                    bs = "B"
                else:
                    bs = "S"
                return (bs, int(info[1:].strip()))

            data["fuel"] = dict()
            data["fuel"]["sale"], data["fuel"]["units"] = portBS(parts[1])
            data["fuel"]["pct"] = int(parts[2].strip())
            data["org"] = dict()
            data["org"]["sale"], data["org"]["units"] = portBS(parts[3])
            data["org"]["pct"] = int(parts[4].strip())
            data["equ"] = dict()
            data["equ"]["sale"], data["equ"]["units"] = portBS(parts[5])
            data["equ"]["pct"] = int(parts[6].strip())

            # Store what this port is buying/selling
            data["port"] = (
                data["fuel"]["sale"] + data["org"]["sale"] + data["equ"]["sale"]
            )

            # Convert BBS/SBB to Class number 1-8
            data["class"] = CLASSES_PORT[data["port"]]
            self.portdata[port] = data
        else:
            log.msg("CIMPortReport:", line, "???")

    def __del__(self):
        log.msg("CIMPortReport {0} RIP".format(self))

    def whenDone(self):
        self.defer = defer.Deferred()
        # Call this to chain something after we exit.
        return self.defer

    def player(self, chunk):
        """ Data from player (in bytes). """
        chunk = chunk.decode("utf-8", "ignore")
        key = chunk.upper()
        log.msg("CIMPortReport.player({0}) : I AM stopping...".format(key))

        # Stop the keepalive if we are activating something else
        # or leaving...
        # self.keepalive.stop()

        self.queue_game.put("\b \b\r\n")

        if not self.defer is None:
            # We have something, so:
            self.game.to_player = self.to_player
            self.observer.load(self.save)
            self.save = None
            self.defer.errback(Exception("User Abort"))
            self.defer = None
        else:
            # Still "exit" out.
            self.game.to_player = self.to_player
            self.observer.load(self.save)


def port_burnt(port):
    """ Is this port burned out? """
    if port['equ']['pct'] <= 20 or port['fuel']['pct'] <= 20 or port['org']['pct'] <= 20:
        return True
    return False

def flip(port):
    return port.replace('S', 'W').replace('B', 'S').replace('W', 'B')

def port_trading(port1, port2):
    """ Are there possible trades at these ports? """
    if port1 == port2:
        return False
    p1 = [ c for c in port1]
    p2 = [ c for c in port2]
    # Any that are the same?  Remove them.
    rem = False
    for i in range(3):
        if p1[i] == p2[i]:
            p1[i] = 'X'
            p2[i] = 'X'
            rem = True
    if rem:
        j1 = "".join(p1).replace('X', '')
        j2 = "".join(p2).replace('X', '')
        if j1 == 'BS' and j2 == 'SB':
            return True
        if j1 == 'SB' and j2 == 'BS':
            return True
    # Matching 2 of them.
    rport1 = flip(port1)
    c = 0
    match = []
    for i in range(3):
        if rport1[i] == port2[i]:
            match.append(port2[i])
            c += 1
    if c > 1:
        f = flip(match.pop(0))
        if f in match:
            return True
        return False
    return False


class ScriptPort(object):
    """ Performs the Port script. 
    
        This is close to the original.
        We don't ask for the port to trade with --
        because that information is available to us after "D" (display).
        We look at the adjacent sectors, and see if we know any ports.
        If the ports are burnt (< 20%), we remove them from the list.
        If there's just one, we use it.  Otherwise we ask them to choose.
        
    """
    def __init__(self, game):
        self.game = game
        self.queue_game = game.queue_game
        self.queue_player = game.queue_player
        self.observer = game.observer
        self.r = Style.RESET_ALL
        self.nl = "\n\r"

        self.this_sector = None     # Starting sector
        self.sector1 = None         # Current Sector
        self.sector2 = None         # Next Sector Stop
        self.percent = 5            # Stick with the good default.
        self.credits = 0

        # Activate
        self.prompt = game.buffer
        self.save = self.observer.save()
        self.observer.connect('player', self.player)
        self.observer.connect("prompt", self.game_prompt)
        self.observer.connect("game-line", self.game_line)

        self.defer = None
        self.queue_game.put(
            self.nl + "Script based on: Port Pair Trading v2.00" + self.r + self.nl
        )

        self.possible_sectors = None

        self.state = 1
        self.queue_player.put("D")
        # Original, send 'D' to display current sector.  
        # We could get the sector number from the self.prompt string -- HOWEVER:
        # IF! We send 'D', we can also get the sectors around -- we might not even need to
        # prompt for sector to trade with (we could possibly figure it out ourselves).
        # [Command [TL=00:00:00]:[967] (?=Help)? : D]
        # [<Re-Display>]
        # []
        # [Sector  : 967 in uncharted space.]
        # [Planets : (M) Into the Darkness]
        # [Warps to Sector(s) :  397 - (562) - (639)]
        # []        

    def whenDone(self):
        self.defer = defer.Deferred()
        # Call this to chain something after we exit.
        return self.defer

    def deactivate(self):
        self.state = 0
        log.msg("ScriptPort.deactivate")
        assert(not self.save is None)
        self.observer.load(self.save)
        self.save = None
        if self.defer:
            self.defer.callback('done')
            self.defer = None

    def player(self, chunk: bytes):
        # If we receive anything -- ABORT!
        self.deactivate()

    def game_prompt(self, prompt: str):
        log.msg("{0} : {1}".format(self.state, prompt))
        if self.state == 3:
            log.msg("game_prompt: ", prompt)
            if re.match(r"Command \[TL=.* \(\?=Help\)\? :", prompt):
                self.state = 4
                log.msg("Ok, state 4")
                if self.sector2 is None:
                    # Ok, we need to prompt for this.
                    self.queue_game.put(self.r + self.nl + "Which sector to trade with? {0} ({1})".format(self.this_sector, self.game.portdata[self.this_sector]['port']) + self.nl + Fore.CYAN)
                    for i, p in enumerate(self.possible):
                        self.queue_game.put(" " + str(i + 1) + " : " + str(p) + " (" + self.game.portdata[p]['port'] + ")" + self.nl)
                    
                    pi = PlayerInput(self.game)
                    def got_need1(*_):
                        log.msg("Ok, I have:", pi.keep)
                        if pi.keep['count'].strip() == '':
                            self.deactivate()
                            return
                        self.times_left = int(pi.keep['count'])
                        if pi.keep['choice'].strip() == '':
                            self.deactivate()
                            return
                        c = int(pi.keep['choice']) -1
                        if c < 0 or c >= len(self.possible):
                            self.deactivate()
                            return

                        self.sector2 = self.possible[int(pi.keep['choice']) -1]
                        # self.queue_game.put(pformat(pi.keep).replace("\n", "\n\r"))                        
                        self.state = 5
                        self.trade()

                    d = pi.prompt("Choose -=>", 5, name='choice', digits=True)
                    d.addCallback(lambda ignore: pi.prompt("Times to execute script:", 5, name='count', digits=True))
                    d.addCallback(got_need1)
                else:
                    # We already have our target port, so...

                    self.queue_game.put(self.r + self.nl + "Trading from {0} ({1}) to default {2} ({3}).".format(
                        self.this_sector, 
                        self.game.portdata[self.this_sector]['port'],
                        self.sector2, self.game.portdata[self.sector2]['port']) + self.nl
                        )
                    if self.game.portdata[self.this_sector]['port'] == self.game.portdata[self.sector2]['port']:
                        self.queue_game.put("Hey dummy! Look out the window!  These ports are the same class!" + nl)
                        self.deactivate()
                        return

                    pi = PlayerInput(self.game)
                    def got_need2(*_):
                        if pi.keep['count'].strip() == '':
                            self.deactivate()
                            return
                        self.times_left = int(pi.keep['count'])
                        log.msg("Ok, I have:", pi.keep)
                        self.queue_game.put(pformat(pi.keep).replace("\n", "\n\r"))
                        self.state = 5
                        self.trade()

                    self.queue_game.put(self.r + self.nl)
                    d = pi.prompt("Times to execute script", 5, name='count')    
                    d.addCallback(got_need2)
        
        elif self.state == 7:
            if re.match(r"Command \[TL=.* \(\?=Help\)\? :", prompt):
                # Done
                if self.this_sector == self.sector1:
                    self.this_sector = self.sector2
                    self.queue_player.put("{0}\r".format(self.sector2))
                    self.state = 10
                else:
                    self.times_left -= 1
                    if self.times_left <= 0:
                        # Ok, exit out
                        self.deactivate()
                        return
                    self.this_sector = self.sector1
                    self.queue_player.put("{0}\r".format(self.sector1))
                    self.state = 10

        elif self.state == 8:
            # What are we trading
            # How many holds of Equipment do you want to buy [75]?
            if re.match(r"How many holds of .+ do you want to buy \[\d+\]\?", prompt):
                parts = prompt.split()
                trade_type = parts[4]

                if trade_type == 'Fuel':
                    if (self.tpc in (5,7)) and (self.opc in (2,3,4,8)):
                        # Can buy equipment - fuel ore is worthless.
                        self.queue_player.put("0\r")
                        return
                    if (self.tpc in(4,7)) and (self.opc in (1,3,5,8)):
                        # Can buy organics - fuel ore is worthless.
                        self.queue_player.put("0\r")
                        return
                    if (self.tpc in (4,7,3,5)) and (self.opc in (3,4,5,7)):
                        # No point in buying fuel ore if it can't be sold.
                        self.queue_player.put("0\r")
                        return
                elif trade_type == 'Organics':
                    if (self.tpc in (6,7)) and (self.opc in (2,3,4,8)):
                        # Can buy equipment - organics is worthless.
                        self.queue_player.put("0\r")
                        return
                    if (self.tpc in (2,4,6,7)) and (self.opc in (2,4,6,7)):
                        # No point in buying organics if it can't be sold.
                        self.queue_player.put("0\r")
                        return
                elif trade_type == 'Equipment':
                    if (self.opc in (1,5,6,7)):
                        # No point in buying equipment if it can't be sold.
                        self.queue_player.put("0\r")
                        return

                self.queue_player.put("\r")
            elif re.match(r"Command \[TL=.* \(\?=Help\)\? :", prompt):
                # Done
                if self.this_sector == self.sector1:
                    self.this_sector = self.sector2
                    self.queue_player.put("{0}\r".format(self.sector2))
                    self.state = 10
                else:
                    self.times_left -= 1
                    if self.times_left <= 0:
                        # Ok, exit out
                        self.deactivate()
                        return
                    self.this_sector = self.sector1
                    self.queue_player.put("{0}\r".format(self.sector1))
                    self.state = 10



        
    def trade(self, *_):
        # state 5
        log.msg("trade!")
        self.queue_player.put("pt")   # Port Trade

        self.this_port = self.game.portdata[self.this_sector]
        if self.this_sector == self.sector1:
            self.other_port = self.game.portdata[self.sector2]
        else:
            self.other_port = self.game.portdata[self.sector1]

        # Ok, perform some calculations
        self.tpc = self.this_port['class']
        self.opc = self.other_port['class']


        # [ Items     Status  Trading % of max OnBoard]
        # [ -----     ------  ------- -------- -------]
        # [Fuel Ore   Selling   2573     93%       0]
        # [Organics   Buying    2960    100%       0]
        # [Equipment  Buying    1958     86%       0]
        # []
        # []
        # [You have 1,000 credits and 20 empty cargo holds.]
        # []
        # [We are selling up to 2573.  You have 0 in your holds.]
        # [How many holds of Fuel Ore do you want to buy [20]? 0]        
        pass

    def game_line(self, line: str):
        if self.state == 1:
            # First exploration
            if line.startswith("Sector  :"):
                # We have starting sector information
                parts = re.split("\s+", line)
                self.this_sector = int(parts[2])
                # These will be the ones swapped around as we trade back and forth.
                self.sector1 = self.this_sector
            elif line.startswith("Warps to Sector(s) : "):
                # Warps to Sector(s) :  397 - (562) - (639)
                _, _, warps = line.partition(':')
                warps = warps.replace('-', '').replace('(', '').replace(')', '').strip()
                log.msg("Warps: [{0}]".format(warps))
                self.warps = [ int(x) for x in re.split("\s+", warps)]
                log.msg("Warps: [{0}]".format(self.warps))
                self.state = 2
        elif self.state == 2:
            if line == "":
                # Ok, we're done
                self.state = 3
                # Check to see if we have information on any possible ports
                if hasattr(self.game, 'portdata'):
                    if not self.this_sector in self.game.portdata:
                        self.state = 0
                        log.msg("Current sector {0} not in portdata.".format(self.this_sector))
                        self.queue_game.put(self.r + self.nl + "I can't find the current sector in the portdata." + self.nl)
                        self.deactivate()
                        return
                    else:
                        # Ok, we are in the portdata
                        pd = self.game.portdata[self.this_sector]
                        if port_burnt(pd):
                            log.msg("Current sector {0} port is burnt (<= 20%).".format(self.this_sector))
                            self.queue_game.put(self.r + self.nl + "Current sector port is burnt out. <= 20%." + self.nl)
                            self.deactivate()
                            return

                    possible = [ x for x in self.warps if x in self.game.portdata ]
                    log.msg("Possible:", possible)

                    # BUG:  Sometimes links to another sector, don't link back!
                    # This causes the game to plot a course / autopilot.

                    if hasattr(self.game, 'warpdata'):
                        # Great!  verify that those warps link back to us!
                        possible = [ x for x in possible if self.this_sector in self.game.warpdata[x]]

                    if len(possible) == 0:
                        self.state = 0
                        self.queue_game.put(self.r + self.nl + "I don't see any ports in [{0}].".format(self.warps) + self.nl)
                        self.deactivate()
                        return

                    possible = [ x for x in possible if not port_burnt(self.game.portdata[x]) ]
                    log.msg("Possible:", possible)

                    if len(possible) == 0:
                        self.state = 0
                        self.queue_game.put(self.r + self.nl + "I don't see any unburnt ports in [{0}].".format(self.warps) + self.nl)
                        self.deactivate()
                        return

                    possible = [ x for x in possible if port_trading(self.game.portdata[self.this_sector]['port'], self.game.portdata[x]['port'])]
                    self.possible = possible

                    if len(possible) == 0:
                        self.state = 0
                        self.queue_game.put(self.r + self.nl + "I don't see any possible port trades in [{0}].".format(self.warps) + self.nl)
                        self.deactivate()
                        return
                    elif len(possible) == 1:
                        # Ok! there's only one!
                        self.sector2 = possible[0]
                    
                    # Display possible ports:
                    # spos = [ str(x) for x in possible]    
                    # self.queue_game.put(self.r + self.nl + self.nl.join(spos) + self.nl)
                    # At state 3, we only get a prompt.
                    return
                else:
                    self.state = 0
                    log.msg("We don't have any portdata!")
                    self.queue_game.put(self.r + self.nl + "I have no portdata.  Please run CIM Port Report." + self.nl)
                    self.deactivate()
                    return
        elif self.state == 5:
            if "-----" in line:
                self.state = 6
        elif self.state == 6:
            if "We are buying up to" in line:
                # Sell
                self.state = 7
                self.queue_player.put("\r")
                self.sell_perc = 100 + self.percent                
            if "We are selling up to" in line:
                # Buy
                self.state = 8
                self.sell_perc = 100 - self.percent     
            if "You don't have anything they want" in line:
                # Neither!  DRAT!
                self.deactivate()
                return
            if "We're not interested." in line:
                log.msg("Try, try again.  :(")
                self.state = 5
                self.trade()

        elif self.state == 7:
            # Haggle Sell
            if "We'll buy them for" in line or "Our final offer" in line:
                if "Our final offer" in line:
                    self.sell_perc -= 1
                parts = line.replace(',', '').split()
                start_price = int(parts[4])
                price = start_price * self.sell_perc // 100
                log.msg("start: {0} % {1} price {2}".format(start_price, self.sell_perc, price))
                self.sell_perc -= 1
                self.queue_player.put("{0}\r".format(price))
            if "We are selling up to" in line:
                # Buy
                self.state = 8
                self.sell_perc = 100 - self.percent      
            if line.startswith("You have ") and 'credits and' in line:
                parts = line.replace(',', '').split()
                credits = int(parts[2])
                if self.credits == 0:
                    self.credits = credits
                else:
                    if credits <= self.credits:
                        log.msg("We don't appear to be making any money here {0}.".format(credits))
                        self.deactivate()
                        return
            if "We're not interested." in line:
                log.msg("Try, try again.  :(")
                self.state = 5
                self.trade()                

        elif self.state == 8:
            # Haggle Buy
            if "We'll sell them for" in line or "Our final offer" in line:
                if "Our final offer" in line:
                    self.sell_perc += 1
                parts = line.replace(',', '').split()
                start_price = int(parts[4])
                price = start_price * self.sell_perc // 100
                log.msg("start: {0} % {1} price {2}".format(start_price, self.sell_perc, price))                
                self.sell_perc += 1
                self.queue_player.put("{0}\r".format(price))
            if "We're not interested." in line:
                log.msg("Try, try again.  :(")
                self.state = 5
                self.trade()                

        elif self.state == 10:
            if "Sector  : " in line:
                # Trade
                self.state = 5
                reactor.callLater(0, self.trade, 0)
                # self.trade()

        # elif self.state == 3:
        #     log.msg("At state 3 [{0}]".format(line))
        #     self.queue_game.put("At state 3.")
        #     self.deactivate()
        #     return

class ProxyMenu(object):
    """ Display ProxyMenu 
    
    Example:

    from flexible import ProxyMenu

    if re.match(r"Command \[TL=.* \(\?=Help\)\? :", prompt):
        menu = ProxyMenu(self.game)
    """
    def __init__(self, game):
        self.nl = "\n\r"
        self.c = merge(Style.BRIGHT + Fore.YELLOW + Back.BLUE)
        self.r = Style.RESET_ALL
        self.c1 = merge(Style.BRIGHT + Fore.BLUE)
        self.c2 = merge(Style.NORMAL + Fore.CYAN)
        self.portdata = None
        self.game = game
        self.queue_game = game.queue_game
        self.observer = game.observer

        if hasattr(self.game, "portdata"):
            self.portdata = self.game.portdata
        else:
            self.portdata = {}

        if hasattr(self.game, 'warpdata'):
            self.warpdata = self.game.warpdata
        else:
            self.warpdata = {}

        # Yes, at this point we would activate
        self.prompt = game.buffer
        self.save = self.observer.save()
        self.observer.connect("player", self.player)

        # If we want it, it's here.
        self.defer = None

        self.keepalive = task.LoopingCall(self.awake)
        self.keepalive.start(30)
        self.menu()

    def __del__(self):
        log.msg("ProxyMenu {0} RIP".format(self))

    def whenDone(self):
        self.defer = defer.Deferred()
        # Call this to chain something after we exit.
        return self.defer

    def menu(self):
        self.queue_game.put(
            self.nl + self.c + "TradeWars Proxy active." + self.r + self.nl
        )

        def menu_item(ch: str, desc: str):
            self.queue_game.put(
                " " + self.c1 + ch + self.c2 + " - " + self.c1 + desc + self.nl
            )

        menu_item("D", "Diagnostics")
        menu_item("Q", "Quest")
        menu_item("T", "Trading Report")
        menu_item("P", "Port CIM Report")
        menu_item("S", "Scripts")
        menu_item("W", "Warp CIM Report")
        menu_item("X", "eXit")
        self.queue_game.put("   " + self.c + "-=>" + self.r + " ")

    def awake(self):
        log.msg("ProxyMenu.awake()")
        self.game.queue_player.put(" ")

    def port_report(self, portdata: dict):
        self.portdata = portdata
        self.queue_game.put("Loaded {0} records.".format(len(portdata)) + self.nl)
        self.welcome_back()

    def warp_report(self, warpdata: dict):
        self.warpdata = warpdata
        self.queue_game.put("Loaded {0} records.".format(len(warpdata)) + self.nl)
        self.welcome_back()

    def player(self, chunk: bytes):
        """ Data from player (in bytes). """
        chunk = chunk.decode("utf-8", "ignore")
        key = chunk.upper()
        log.msg("ProxyMenu.player({0})".format(key))

        # Stop the keepalive if we are activating something else
        # or leaving...
        self.keepalive.stop()

        if key == "T":
            self.queue_game.put(self.c + key + self.r + self.nl)

            if not hasattr(self.game, 'portdata') or not hasattr(self.game, 'warpdata'):
                self.queue_game.put("Missing portdata/warpdata." + self.nl)
            else:
                # Ok, for each port
                ok_trades = []
                best_trades = []

                # This is a very BAD idea to do something like this in twisted!
                # (At least like this).  TO FIX. 
                for sector, pd in self.game.portdata.items():
                    if not port_burnt(pd):
                        pc = pd['class']

                        # Ok, let's look into it.
                        if not sector in self.game.warpdata:
                            continue
                            
                        warps = self.game.warpdata[sector]
                        for w in warps:
                            # Verify that we have that warp's info, and that the sector is in it.
                            # (We can get back from it)
                            if w in self.game.warpdata and sector in self.game.warpdata[w]:
                                # Ok, we can get there -- and get back!
                                if w > sector and w in self.game.portdata and not port_burnt(self.game.portdata[w]):
                                    # it is > and has a port.
                                    wc = self.game.portdata[w]['class']

                                    # 1: "BBS",
                                    # 2: "BSB",
                                    # 3: "SBB",
                                    # 4: "SSB",
                                    # 5: "SBS",
                                    # 6: "BSS",
                                    # 7: "SSS",
                                    # 8: "BBB",

                                    if pc in (1,5) and wc in (2,4):
                                        best_trades.append( "{0:5} -=- {1:5}".format(sector, w))
                                    elif pc in (2,4) and wc in (1,5):
                                        best_trades.append( "{0:5} -=- {1:5}".format(sector, w))
                                    elif port_trading(pd['port'], self.game.portdata[w]['port']):
                                        ok_trades.append( "{0:5} -=- {1:5}".format(sector,w))

                self.queue_game.put("BEST TRADES:" + self.nl + self.nl.join(best_trades) + self.nl)
                self.queue_game.put("OK TRADES:" + self.nl + self.nl.join(ok_trades) + self.nl)
                

        elif key == "P":
            self.queue_game.put(self.c + key + self.r + self.nl)
            # Activate CIM Port Report
            report = CIMPortReport(self.game)
            d = report.whenDone()
            d.addCallback(self.port_report)
            d.addErrback(self.welcome_back)
            return
        elif key == "W":
            self.queue_game.put(self.c + key + self.r + self.nl)
            # Activate CIM Port Report
            report = CIMWarpReport(self.game)
            d = report.whenDone()
            d.addCallback(self.warp_report)
            d.addErrback(self.welcome_back)            
            return
        elif key == "S":
            self.queue_game.put(self.c + key + self.r + self.nl)
            self.activate_scripts_menu()
            return
        elif key == "D":
            self.queue_game.put(self.c + key + self.r + self.nl)
            self.queue_game.put(pformat(self.portdata).replace("\n", "\n\r") + self.nl)
            self.queue_game.put(pformat(self.warpdata).replace("\n", "\n\r") + self.nl)    
        elif key == "Q":
            self.queue_game.put(self.c + key + self.r + self.nl)

            # This is an example of chaining PlayerInput prompt calls.

            ask = PlayerInput(self.game)
            d = ask.prompt("What is your quest?", 40, name="quest", abort_blank=True)

            # Display the user's input
            d.addCallback(ask.output)

            d.addCallback(
                lambda ignore: ask.prompt(
                    "What is your favorite color?", 10, name="color"
                )
            )
            d.addCallback(ask.output)

            d.addCallback(
                lambda ignore: ask.prompt(
                    "What is the meaning of the squirrel?",
                    12,
                    name="squirrel",
                    digits=True,
                )
            )
            d.addCallback(ask.output)

            def show_values(show):
                log.msg(show)
                self.queue_game.put(pformat(show).replace("\n", "\n\r") + self.nl)

            d.addCallback(lambda ignore: show_values(ask.keep))
            d.addCallback(self.welcome_back)

            # On error, just return back
            # This doesn't seem to be getting called.
            # d.addErrback(lambda ignore: self.welcome_back)
            d.addErrback(self.welcome_back)
            return

        elif key == "X":
            self.queue_game.put(self.c + key + self.r + self.nl)
            self.queue_game.put("Proxy done." + self.nl)
            self.observer.load(self.save)
            self.save = None
            # It isn't running (NOW), so don't try to stop it.
            # self.keepalive.stop()
            self.keepalive = None
            # Ok, this is a HORRIBLE idea, because the prompt might be
            # outdated.
            # self.queue_game.put(self.prompt)
            self.prompt = None

            # Possibly:  Send '\r' to re-display the prompt
            # instead of displaying the original one.
            self.game.queue_player.put("d")

            # Were we asked to do something when we were done here?
            if self.defer:
                reactor.CallLater(0, self.defer.callback)
                # self.defer.callback()
                self.defer = None
            return

        self.keepalive.start(30, True)
        self.menu()

    def activate_scripts_menu(self):
        self.observer.disconnect("player", self.player)
        self.observer.connect("player", self.scripts_player)
        self.scripts_menu()

    def deactivate_scripts_menu(self, *_):
        self.observer.disconnect("player", self.scripts_player)
        self.observer.connect("player", self.player)        
        self.welcome_back()

    def scripts_menu(self, *_):
        c1 = merge(Style.BRIGHT + Fore.CYAN)
        c2 = merge(Style.NORMAL + Fore.CYAN)

        def menu_item(ch, desc):
            self.queue_game.put(
                " " + c1 + ch + c2 + " - " + c1 + desc + self.nl
            )

        menu_item("1", "Ports (Trades between two sectors)")
        menu_item("2", "TODO")
        menu_item("3", "TODO")
        menu_item("X", "eXit")
        self.queue_game.put("   " + c1 + "-=>" + self.r + " ")

    def scripts_player(self, chunk: bytes):
        """ Data from player (in bytes). """
        chunk = chunk.decode("utf-8", "ignore")
        key = chunk.upper()
        
        if key == '1':
            self.queue_game.put(self.c + key + self.r + self.nl)
            # Activate this magical event here
            ports = ScriptPort(self.game)
            d = ports.whenDone()
            # d.addCallback(self.scripts_menu)
            # d.addErrback(self.scripts_menu)
            d.addCallback(self.deactivate_scripts_menu)
            d.addErrback(self.deactivate_scripts_menu)
            return
        elif key == 'X':
            self.queue_game.put(self.c + key + self.r + self.nl)            
            self.deactivate_scripts_menu()
            return
        else:
            self.queue_game.put(self.c + "?" + self.r + self.nl)
        self.scripts_menu()


    def welcome_back(self, *_):
        log.msg("welcome_back")
        self.keepalive.start(30, True)
        self.menu()