from Line import Line
from Point import Point
from Window import Window
from typing import Self


class Cell:
    def __init__(self, win:Window=None):
        self.has_left_wall:bool = True
        self.has_right_wall:bool = True
        self.has_top_wall:bool = True
        self.has_bottom_wall:bool = True
        self.visited:bool = False
        self._x1:int|None = None
        self._x2:int|None = None
        self._y1:int|None = None
        self._y2:int|None = None
        self._win:Window = win

    def draw(self, x1:int, y1:int, x2:int, y2:int) -> None:
        if self._win is None:
            return
        self._x1 = x1
        self._x2 = x2
        self._y1 = y1
        self._y2 = y2
        self._win.draw_line(Line(Point(x1, y1), Point(x1, y2)), "black" if self.has_left_wall else "white")
        self._win.draw_line(Line(Point(x1, y1), Point(x2, y1)), "black" if self.has_top_wall else "white")
        self._win.draw_line(Line(Point(x2, y1), Point(x2, y2)), "black" if self.has_right_wall else "white")
        self._win.draw_line(Line(Point(x1, y2), Point(x2, y2)), "black" if self.has_bottom_wall else "white")

    def draw_move(self, to_cell:Self, undo:bool=False) -> None:
        half_length = abs(self._x2 - self._x1) // 2
        p1 = Point(half_length + self._x1, half_length + self._y1)

        half_length2 = abs(to_cell._x2 - to_cell._x1) // 2
        p2 = Point(half_length2 + to_cell._x1, half_length2 + to_cell._y1)

        line = Line(p1, p2)
        self._win.draw_line(line, "gray" if undo else "red")