#!/usr/bin/python3

import sys
import random
import readchar
import subprocess
from datetime import datetime
import logging
import logging
logging.basicConfig(level=logging.DEBUG)

videos_filename = 'videos.txt'

def play_video():
  global videos
  if len(videos) < 1:
    with open(videos_filename, 'r') as fh:
      videos = fh.readlines()
    random.shuffle(videos)
    logging.info(f"{len(videos)} videos geladen")

  logging.debug(f"noch { len(videos) } videos vorhanden") 
  subprocess.run(["mpv", "--fs", videos.pop()])


def bis_zum_naechsten_zehner():
  x = random.randint(1,8)
  y = random.randint(1,9)
  print("von {} zum n Zehner?".format(10 * x + y))
  c = readchar.readkey()

  if c == "x":
    return "x"

  try:
    e = (y + int(c)) % 10
  except:
    e = 1

  if e == 0:
    return True
  else:
    return False


videos = []
zeiten = []

while True:

  start = datetime.now()
  e = bis_zum_naechsten_zehner()
  ende = datetime.now()

  if e == "x":
    break

  logging.info(zeiten)

  if e:
    print("RICHTIG")
    zeiten.insert(0, (ende - start).total_seconds())
  else:
    print("FALSCH")
    zeiten = []

  zeiten = zeiten[0:10]

  logging.info(f"{len(zeiten)} Richtige in {sum(zeiten)} Sekunden")

  if len(zeiten) >= 10 and sum(zeiten) <= 30:
    print("JUHU!")
    play_video()
    zeiten = []