from retro.agent import ArrowKeyAgent
#from retro.game import Game
#from helpers import add, get_occupant


direction_vectors = {
    "KEY_RIGHT": (1, 0),
    "KEY_UP": (0, -1),
    "KEY_LEFT": (-1, 0),
    "KEY_DOWN": (0, 1),
}

class Man:
    character = "&"  #try google asci full table?, 
    color = "blue"
    #name = "man"
  
    def __init__(self,position):
        self.position = position

    def handle_keystroke(self, keystroke, game):
        if keystroke.name in direction_vectors:
            vector = direction_vectors[keystroke.name]
            self.try_to_move(vector, game)
    
    def try_to_move(self, vector, game):
        x,y = self.position
        vx,vy = vector
        future_position = (x +vx, y+vy)
        on_board = game.on_board(future_position)
        agents_by_position = game.get_agents_by_position()
        agents = agents_by_position[future_position]
        if len(agents)>0:
            obstacle = agents[0]
        else:
            obstacle= None

        if on_board:
            if obstacle:
                pass
                if obstacle.snack:
                    score +=1
                else:
                    score -=1
            
            else:
                self.position = future_position

    def die(self,game):
        game.state["message"] = "Game Over"
        self.color = "black"
        game.end()


'''
    def __init__(self, position):
        self.position = position

 def handle_keystroke(self, keystroke, game):
        if keystroke.name in direction_vectors:
            vector = direction_vectors[keystroke.name]
            self.try_to_move(vector, game)

    def try_to_move(self, vector, game):
        """Tries to move the player in the direction of vector.
        If the space is empty and it's on the board, then the move succeeds. 
        If the space is occupied, then if the occupant can be pushed, it gets
        pushed and the move succeeds. Otherwise, the move fails. 
        """
        future_position = add(self.position, vector)
        on_board = game.on_board(future_position)
        obstacle = get_occupant(game, future_position)
        if obstacle:
            if obstacle.deadly:
                self.die(game)
            elif obstacle.handle_push(vector, game):
                self.position = future_position
        elif on_board:
            self.position = future_position'''