import os
from pathlib import Path

# URL Potree - configurée via variable d'environnement POTREE_URL
# Pour le développement local : POTREE_URL=http://localhost:8090
# Pour la production : POTREE_URL=http://potree_server:8090

def load_potree_config():
    """Charge la configuration Potree depuis les variables d'environnement."""
    return os.getenv(
        "POTREE_URL", "http://localhost:8090"
    ).strip().rstrip("/")

def get_entwine_path():
    """Retourne le chemin de entwine ou None si non trouvé"""
    path = os.getenv("ENTWINE_PATH")
    if path:
        return path.strip()
    return None

BASE_DIR = Path(__file__).resolve().parent
DATA_DIR = BASE_DIR / "data"
UPLOADS_DIR = DATA_DIR / "uploads"
EPT_DIR = DATA_DIR / "ept"          # était POTREE_DIR

UPLOADS_DIR.mkdir(parents=True, exist_ok=True)
EPT_DIR.mkdir(parents=True, exist_ok=True)

SUPPORTED_FORMATS = [".las", ".laz", ".ply", ".xyz", ".pts"]

POTREE_URL = load_potree_config()
ENTWINE_PATH = get_entwine_path()