from __future__ import print_function
import random
import Pyro4


@Pyro4.expose
class GameServer(object):
    def __init__(self, engine):
        self.engine = engine

    def register(self, name, observer):
        robot = self.engine.signup_robot(name, observer)
        self._pyroDaemon.register(robot)  # make the robot a pyro object
        return robot


@Pyro4.expose
class RemoteBot(object):
    def __init__(self, robot, engine):
        self.robot = robot
        self.engine = engine

    def get_data(self):
        return self.robot

    def change_direction(self, direction):
        self.robot.dx, self.robot.dy = direction

    def emote(self, text):
        self.robot.emote(text)

    def terminate(self):
        self.engine.remove_robot(self.robot)


@Pyro4.expose
class LocalGameObserver(object):
    def __init__(self, name):
        self.name = name
        self.robot = None

    @Pyro4.oneway
    def world_update(self, iteration, world, robotdata):
        # change directions randomly
        if random.random() > 0.8:
            if random.random() >= 0.5:
                dx, dy = random.randint(-1, 1), 0
            else:
                dx, dy = 0, random.randint(-1, 1)
            self.robot.change_direction((dx, dy))

    def start(self):
        self.robot.emote("Here we go!")

    def victory(self):
        print("[%s] I WON!!!" % self.name)

    def death(self, killer):
        if killer:
            print("[%s] I DIED (%s did it)" % (self.name, killer.name))
        else:
            print("[%s] I DIED" % self.name)


@Pyro4.expose
class GameObserver(object):
    def world_update(self, iteration, world, robotdata):
        pass

    def start(self):
        print("Battle starts!")

    def victory(self):
        print("I WON!!!")

    def death(self, killer):
        print("I DIED")
        if killer:
            print("%s KILLED ME :(" % killer.name)