import logging
from datetime import datetime

import requests

logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
log = logging.getLogger(__name__)

SCHOOL_SLUG = "kyrene-de-la-mariposa"
MENU_TYPE = "lunch"
API_BASE = "https://kyrene.api.nutrislice.com/menu/api/weeks/school"


def _fetch_week(date_str: str) -> dict:
    dt = datetime.strptime(date_str, "%Y-%m-%d")
    url = f"{API_BASE}/{SCHOOL_SLUG}/menu-type/{MENU_TYPE}/{dt.year}/{dt.month:02d}/{dt.day:02d}/"
    log.info(f"Fetching {url}")

    resp = requests.get(
        url,
        headers={"Accept": "application/json", "User-Agent": "Mozilla/5.0"},
        timeout=20,
    )
    resp.raise_for_status()
    return resp.json()


def _extract_items(day: dict) -> list[str]:
    items = []
    for entry in day.get("menu_items", []):
        if entry.get("is_section_title") or entry.get("is_station_header"):
            continue
        food = entry.get("food")
        if food and food.get("name"):
            items.append(food["name"].strip())
    return items


def get_week_menu(date_str: str | None = None) -> list[dict]:
    """Returns every day in the school-published week containing date_str,
    as [{"date": "YYYY-MM-DD", "items": [...]}, ...] in the API's own order.
    Days with no posted menu (weekends, breaks, holidays) have an empty items list."""
    if date_str is None:
        date_str = datetime.now().strftime("%Y-%m-%d")

    data = _fetch_week(date_str)
    return [
        {"date": day.get("date"), "items": _extract_items(day)}
        for day in data.get("days", [])
        if day.get("date")
    ]