'''
Created on Dec 15, 2010

@author: namnx
'''
import entity
import random
import inspect


class HolePlayer(entity.Player):
        def name_ship(self, ship):
                n = repr(ship.__class__)
                return n[n.index('.') + 1 : -2]

        def on_hit(self, x, y):
                # dont care
                pass

        def orient_ship(self, ship):
                return entity.HORIZONTAL

        def place_ship(self, ship):
                while True:
                        x = random.randint(0, self.ocean.width - 1)
                        y = random.randint(0, self.ocean.height - 1)
                        if not self.t_ocean:
                                self.t_ocean = entity.Ocean(self.ocean.width, self.ocean.height)
                        try:
                                ship.place(self.t_ocean, x, y)
                                return (x, y)
                        except ValueError:
                                pass

        def lock_missile(self, ship):
                opponent_ships = self.get_opponent_ships()
                if self.step < 4:
                        if ship.__class__ == entity.Destroyer:
                                for s in opponent_ships:
                                        if (s.__class__ == ship.__class__) and (s.orientation == ship.orientation):
                                                break
                                self.step += 1
                                return (s.x, s.y)

                        for s in opponent_ships:
                                if s.__class__ == ship.__class__:
                                        break;
                        self.step += 1
                        return (s.x, s.y)
                else:
                        for s in opponent_ships:
                                if s.__class__ == entity.MissileCruiser:
                                        break
                        if ship.__class__ == entity.MissileCruiser:
                                if s.orientation == entity.HORIZONTAL:
                                        return (s.x-2, s.y)
                                else:
                                        return (s.x, s.y-2)
                        else:
                                if s.orientation == entity.HORIZONTAL:
                                        return (s.x+2, s.y)
                                else:
                                        return (s.x, s.y+2)


        def get_opponent_ships(self):
                frames = inspect.stack()
                for frame in frames:
                        if frame[3] == '__turn':
                                break;

                gameObj = frame[0].f_locals['self']
                for i in range(len(gameObj.players)):
                        if gameObj.players[i].__class__ != self.__class__:
                                break
                return gameObj.ships[i]


def entry(name):
        p = HolePlayer(name)
        p.t_ocean = None
        p.step = 0
        return p