#!/usr/bin/env python
from .interfaces import Map
from .term_manager import TermManager


def proof_of_concept() -> None:
    m = Map.load("example_map.txt")

    with TermManager() as term_manager:
        stdscr = term_manager.screen

        stdscr.addstr(0, 0, m.draw_string())
        stdscr.refresh()

        cur = [1, 6]    # (y,x)
        stdscr.addstr(1, 6, '@')
        stdscr.refresh()

        while True:
            key = stdscr.getkey()
            stdscr.addstr(cur[0], cur[1], '.')
            if key == 'z' or key == 'KEY_UP':
                if cur[0] > 0 and m.tiles[cur[0] - 1][cur[1]].value != '#':
                    cur[0] = cur[0] - 1
            if key == 's' or key == 'KEY_DOWN':
                if cur[0] < m.height - 1 and \
                        m.tiles[cur[0] + 1][cur[1]].value != '#':
                    cur[0] = cur[0] + 1
            if key == 'q' or key == 'KEY_LEFT':
                if cur[1] > 0 and m.tiles[cur[0]][cur[1] - 1].value != '#':
                    cur[1] = cur[1] - 1
            if key == 'd' or key == 'KEY_RIGHT':
                if cur[1] < m.width and \
                        m.tiles[cur[0]][cur[1] + 1].value != '#':
                    cur[1] = cur[1] + 1
            stdscr.addstr(cur[0], cur[1], '@')