from __future__ import annotations

import json
from functools import lru_cache
from pathlib import Path
from typing import Any


PROGRAM_PATH = Path(__file__).resolve().parent.parent / "data" / "program.json"


@lru_cache(maxsize=1)
def load_program() -> dict[str, Any]:
    with PROGRAM_PATH.open(encoding="utf-8") as f:
        return json.load(f)


def get_week(week_number: int) -> dict[str, Any]:
    program = load_program()
    for week in program["weeks"]:
        if week["week"] == week_number:
            return week
    raise ValueError(f"Неделя {week_number} не найдена")