#!/usr/bin/python3
# -*- coding: utf-8 -*-

""" Ein hilfloser Versuch, Tasteneingaben abzufragen. Man kann auch in Python C schreiben. Ein Thread wär evtl besser. """

import os, sys, termios, tty, time

esc = chr(27)
bracket = chr(91)
c_up = chr(65)
c_down = chr(66)
c_right = chr(67)
c_left = chr(68)
x, xold, y, yold = 15, 15, 15, 15
clear = "'\x1b[2J\x1b[H"

car = "🚜"
replstring = " "
termsize_xy = os.get_terminal_size()
frame = 0
xmax = termsize_xy[0] - frame
ymax = termsize_xy[1] - frame
ymin = 1 + frame
xmin = 1 + frame
street = "#             #"
streetwidth=len(street)
streetymax=ymax-streetwidth

def curpos(x, y):
    print("\033[%d;%dH" % (y, x), end="", flush=True)


def cursoroff():
    sys.stdout.write("\033[?25l")


def cursoron():
    sys.stdout.write("\033[?25h")


def getkey():
    getkey_buffer = 1
    fd = sys.stdin.fileno()
    remember_attributes = termios.tcgetattr(fd)
    tty.setraw(sys.stdin.fileno())
    taste = sys.stdin.read(getkey_buffer)
    termios.tcsetattr(fd, termios.TCSADRAIN, remember_attributes)
    return taste

def zeichnestrasse():
    xstreet=xstreet+(int(random(ymin, (ymax-
    print(street)


print(clear)
cursoroff()
taste = ""
while taste != "q":
#    taste = ""
#    while taste == "":
    taste = getkey()

    if taste == esc:
        taste = getkey()
        if taste == bracket:
            taste = getkey()

            yold = y
            xold = x
            if taste == c_right:
                if x < xmax and y < ymax:
                    x += 1
            elif taste == c_left:
                if x > xmin:
                    x -= 1

            curpos(xold, yold)
            print(replstring, end="")

            curpos(x, y)
            print(car, end="")

    curpos(1, 1)
    print("x = ", x, " \ny = ", y, " ")
    curpos(1, 3)
    print("xold = ", xold, " \nyold = ", yold, " ")
    curpos(ymax, 10)
    print (street)


cursoron()
sys.exit("Schulz nun.")