from __future__ import annotations

import json
from pathlib import Path

BASE_DIR = Path(__file__).resolve().parent

QUIZ_PATH = BASE_DIR / "quiz.json"
SCORE_PATH = BASE_DIR / "score.txt"


def normalize(text: str) -> str:
    return text.strip().lower()


def load_quiz(path: Path) -> list[dict]:
    # TODO: Wczytaj quiz z pliku JSON (json.load).
    # TODO: Sprawdź, czy wczytane dane są listą.
    # TODO: Usuń raise NotImplementedError po implementacji.
    with path.open("r", encoding="utf-8") as file:
        data = json.load(file)
    if not isinstance(data, list):
        raise ValueError("Quiz JSON musi być listą pytań")

    return data

def run_quiz(questions: list[dict]) -> tuple[int, int]:
    # TODO: Zadaj pytania użytkownikowi w pętli i zlicz punkty.
    # TODO: Zwróć (score, total).
    # TODO: Usuń raise NotImplementedError po implementacji.
    score = 0
    total = len(questions)
    for idx, item in enumerate(questions, start=1):
        question_text = str(item.get("q", ""))
        correct_answer = str(item.get("a", ""))

        print()

        print(f"Q{idx}/{total}: {question_text}")
        user_answer = input("Your answer: ")
        if normalize(user_answer) == normalize(correct_answer):
            print("Correct")
            score += 1
        else:
            print("Wrong. Correct answer was: ", correct_answer)

    return score, total


def save_score(path: Path, score: int, total: int) -> None:
    # TODO: Zapisz wynik do score.txt w formacie np. "3/3".
    # TODO: Usuń raise NotImplementedError po implementacji.
    with path.open("w", encoding="utf-8") as file:
        file.write(f"{score}/{total}\\n")


def main() -> None:
    questions = load_quiz(QUIZ_PATH)
    score, total = run_quiz(questions)
    save_score(SCORE_PATH, score, total)

    print()
    print("Final score:", f"{score}/{total}")
    print("Score saved to:", SCORE_PATH.name)


if __name__ == "__main__":
    main()