import logging
import os
from datetime import datetime
from pathlib import Path

import httpx

from src.utils.cache import cache


@cache.memoize()
def get_last_modified(parquet_path: str) -> float:
    logger.info("Récupération de la date de modification des données...")
    logging.getLogger("httpx").setLevel("WARNING")
    if parquet_path.startswith("http"):
        last_modified = httpx.head(
            url=parquet_path,
            follow_redirects=True,
        ).headers["last-modified"]
        last_modified = datetime.strptime(last_modified, "%a, %d %b %Y %X %Z").strftime(
            "%s"
        )
        return float(last_modified)
    parquet_local_path = Path(parquet_path)
    return parquet_local_path.stat().st_mtime


logging.basicConfig(
    format="%(asctime)s %(levelname)-8s %(message)s",
    level=logging.INFO,
    datefmt="%Y-%m-%d %H:%M:%S",
)
DEVELOPMENT = os.getenv("DEVELOPMENT", "False").lower() == "true"
logger = logging.getLogger("decp.info")

if DEVELOPMENT:
    logger.setLevel(logging.DEBUG)

DOMAIN_NAME = (
    "test.decp.info"
    if os.getenv("DEVELOPMENT", "False").lower() == "true"
    else "decp.info"
)


def get_data_update_timestamp(
    parquet_path: str, fallback_path: str | None = None
) -> float | None:
    """Date de MAJ des données, best-effort, sans jamais lever (usage au boot)."""
    try:
        return get_last_modified(parquet_path)
    except Exception as e:
        logger.warning(f"Date de mise à jour des données indisponible ({e})")
    if fallback_path:
        try:
            return os.path.getmtime(fallback_path)
        except OSError:
            pass
    return None