#!/usr/bin/env python

import sys
import enchant

textfile = sys.argv[1]

# use example: ./quality_check.py text/ffmpeg_2.txt

non_words = "\n,.;!?'-"
ge_dict = enchant.Dict('de_DE')

def word_ratio(words):
    sane = [ge_dict.check(w) for w in words if w not in non_words]
    if len(sane) == 0:
        return 0, 0
    return sum(sane) / len(sane), len(sane)

def read_into_list(filename):
    with open(filename, "r") as lf:
        return lf.read().split()

if __name__ == "__main__":
    words = read_into_list(textfile)
    ratio, length = word_ratio(words)
    print(f"{ratio}:{length}:{textfile}")