from typing import Any

from .interfaces import Map
from .mapdisplay import MapDisplay
from .settings import Settings
from .term_manager import TermManager


class Game:
    INSTANCE = None

    def init(self) -> None:
        Game.INSTANCE = self
        self.settings = Settings()
        self.settings.load_settings()
        self.settings.write_settings()

    def new_game(self):
        # TODO generate a new map procedurally
        self.m = Map.load("example_map.txt")
        self.player = Player()
        self.player.y = 1
        self.player.x = 6
        self.d = MapDisplay(self.m, self.player)

    @classmethod
    def load_game(filename):
        # TODO loading map from a file
        raise NotImplementedError()

    def run(self, screen):
        while True:
            screen.clear()
            screen.refresh()
            self.d.display(self.player.y, self.player.x)
            key = screen.getkey()
            self.handle_key_pressed(key)

    def handle_key_pressed(self, key: str) -> None:
        # TODO load keys from settings
        if key == 'z' or key == 'KEY_UP':
            self.player.move_up()
        if key == 's' or key == 'KEY_DOWN':
            self.player.move_down()
        if key == 'q' or key == 'KEY_LEFT':
            self.player.move_left()
        if key == 'd' or key == 'KEY_RIGHT':
            self.player.move_right()


class Player:
    # FIXME Should be elsewhere, only useful to don't break the previous code
    y: int = 0
    x: int = 0

    def move_up(self) -> None:
        self.y -= 1

    def move_down(self) -> None:
        self.y += 1

    def move_left(self) -> None:
        self.x -= 1

    def move_right(self) -> None:
        self.x += 1