import json, sys
from typing import Dict

# Пример простого парсера: ищет ключевые слова в строках

def parse(text: str) -> Dict:
    result = {
        "title": None,
        "subject": None,
        "deadline_hint": None,
        "deliverable_type": None,
        "grading_hints": None,
    }
    for line in text.splitlines():
        l=line.lower()
        if "title" in l:
            result["title"] = line.split(":",1)[-1].strip()
        elif "subject" in l:
            result["subject"] = line.split(":",1)[-1].strip()
        elif "deadline" in l:
            result["deadline_hint"] = line.split(":",1)[-1].strip()
        elif "deliverable" in l:
            result["deliverable_type"] = line.split(":",1)[-1].strip()
        elif "grading" in l or "feedback" in l:
            result["grading_hints"] = line.split(":",1)[-1].strip()
    return result

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: python extract_card.py <path_to_raw_text_file>")
        sys.exit(1)
    with open(sys.argv[1],"r",encoding="utf-8") as f:
        text=f.read()
    card=parse(text)
    print(json.dumps(card,ensure_ascii=False,indent=2))