#!/usr/bin/python3

import os
from time import sleep
from pynput import keyboard


FPS = 60
BLA_SPEED = 1

tx, ty = os.get_terminal_size().columns, os.get_terminal_size().lines
half_tx = round(tx / 2)
bla_pos = 1
bla_back = False
stop = None
yeet = None
yeet_dist = None


def clear():
    os.system("clear")


def on_press(key):
    global stop
    global yeet_dist

    try:
        if key == keyboard.Key.space:
            if not stop:
                stop = bla_pos

                bla_dist = half_tx - bla_pos

                if bla_dist < 0:
                    bla_dist = 0 - bla_dist

                yeet_dist = tx - 2 - bla_dist * 2 - 10

    except AttributeError:
        # print('special key {0} pressed'.format(key))
        pass


def on_release(key):
    # print('{0} released'.format(key))

    if key == keyboard.Key.esc:
        # Stop listener
        return False


def move_bla():
    global bla_pos
    global bla_back

    print(" " * (half_tx - 1) + "↓")
    print(" " * (bla_pos - 1) + "#")

    if bla_back:
        bla_pos -= BLA_SPEED

    else:
        bla_pos += BLA_SPEED

    if bla_pos >= tx:
        bla_back = True

    elif bla_pos <= 1:
        bla_back = False


def yeet_cow():
    global yeet
    global running

    if not yeet:
        yeet = 1

    print("-" * (yeet - 1) + "🐄️")

    if yeet >= yeet_dist:
        running = False

    yeet += 1


def loop():
    clear()

    if not stop:
        move_bla()

    else:
        yeet_cow()

    sleep(1 / FPS)


listener = keyboard.Listener(
    on_press=on_press,
    on_release=on_release)

listener.start()


running = True

try:
    while running:
        loop()

except KeyboardInterrupt:
    clear()
    print("Exit.")