import curses
import asyncio

class Console():
    def __init__(self, stdscr):
        self.stdscr = stdscr

    def __enter__(self):
        curses.noecho()
        curses.cbreak()
        self.stdscr.keypad(True)

    def __exit__(self, _a, _b, _c):
        curses.nocbreak()
        self.stdscr.keypad(False)
        curses.echo()
        curses.endwin()


def start(on_str, on_tab):
    stdscr = curses.initscr()
    with Console(stdscr) as _:
        string = ""
        while True:
            char = stdscr.getkey()
            if char == '\n':
                on_str(string)
                string = ""
            elif char == '\t':
                on_tab()
            else:
                string += char