#!/usr/bin/env python

class Map:
    width: int
    height: int
    tiles: list

    def __init__(self, width: int, height: int, tiles: list):
        self.width = width
        self.height = height
        self.tiles = tiles

    @staticmethod
    def load(filename: str):
        with open(filename, "r") as f:
            file = f.read()
        return Map.load_from_string(file)

    @staticmethod
    def load_from_string(content: str):
        lines = content.split("\n")
        lines = [line for line in lines if line]
        height = len(lines)
        width = len(lines[0])
        chars = [[Tile.from_char(c, x, y)
                  for x, c in enumerate(line)] for y, line in enumerate(lines)]
        return Map(width, height, chars)

    def draw_string(self) -> str:
        return "\n".join("".join(tile.char for tile in line) for line in self.tiles)


class Tile:
    x: int
    y: int
    char: str

    @staticmethod
    def from_char(c: str, x: int, y: int):
        t = Tile()
        t.x = x
        t.y = y
        t.char = c
        return c


class Entity:
    tile: Tile

    def move(self, x: int, y: int) -> None:
        self.tile.x = x
        self.tile.y = y