import curses
from typing import Any, Union

from dungeonbattle.tests.screen import FakePad


class Display:
    def __init__(self, screen: Any):
        self.screen = screen

    def refresh(self) -> None:
        raise NotImplementedError

    def newpad(self, height: int, width: int) -> Union[FakePad, Any]:
        return curses.newpad(height, width) if self.screen else FakePad()

    def ensure_resized(self, *pads) -> bool:
        """
        If the window got resized, ensure that the pads are also resized.
        """
        y, x = self.screen.getmaxyx() if self.screen else (0, 0)
        for pad in pads:
            pad.resize(y, x)
        if self.screen and curses.is_term_resized(self.rows, self.cols):
            curses.resizeterm(y, x)
            return True
        return False

    @property
    def rows(self) -> int:
        return curses.LINES if self.screen else 42

    @property
    def height(self) -> int:
        return self.rows

    @property
    def cols(self) -> int:
        return curses.COLS if self.screen else 42

    @property
    def width(self) -> int:
        return self.cols