config.py

# config.py - V1.1 (Central Config - Force Rebuild)
import os
from dotenv import load_dotenv

# Load environment variables from .env file
load_dotenv()

# Determine Environment
# V5.9.3: Detailed logging for Hugging Face environment detection
raw_env = os.getenv("ENV", "").lower()
space_id = os.getenv("SPACE_ID", "").lower()

print(f"🔍 [DEBUG-CONFIG] raw_env: '{raw_env}', space_id: '{space_id}'")

if not raw_env:
    # Check for keywords that indicate a dev space
    if any(k in space_id for k in ["buddymath-dev", "-dev", "sandbox"]):
        ENV = "development"
        print(f"✨ [DEBUG-CONFIG] Auto-detected DEVELOPMENT mode (space_id match).")
    else:
        ENV = "production"
        print(f"🛡️ [DEBUG-CONFIG] Defaulting to PRODUCTION mode.")
else:
    ENV = raw_env
    print(f"📍 [DEBUG-CONFIG] Using explicit ENV from settings: {ENV}")

IS_PRODUCTION = ENV == "production"

# V5.9.1: DEV Auth Bypass Token (Whitelisted only in non-prod environments)
DEV_BYPASS_TOKEN = "BUDDY-MATH-DEV-2026-BYPASS"

# Firebase Configuration
# V5.11.3: DEPRECATED local JSON files for security. 
# Credentials must be provided via FIREBASE_CREDENTIALS environment variable.
if IS_PRODUCTION:
    # PROD: bussymath
    FIREBASE_CREDENTIALS_PATH = None 
    STORAGE_BUCKET = "bussymath.firebasestorage.app"
    PROJECT_ID = "bussymath"
else:
    # DEV: buddy-math-dev
    FIREBASE_CREDENTIALS_PATH = None
    STORAGE_BUCKET = "buddy-math-dev.firebasestorage.app"
    PROJECT_ID = "buddy-math-dev"

# Server Configuration
HOST = "0.0.0.0"
PORT = 8000 if not IS_PRODUCTION else 7860 # HF Spaces/Cloud Run often use 7860 or PORT env

# V3.1.2: Adaptive Failure Mode - Confidence Thresholds
# V3.1.3: Recalibrated (Hard Floor 0.55)
# V4.2.11: Lowered for DEV to unblock geometry diagnostics
CONFIDENCE_THRESHOLD_HIGH = 0.75
CONFIDENCE_THRESHOLD_MEDIUM = 0.55 if IS_PRODUCTION else 0.01

print(f"[CONFIG] Loading {ENV.upper()} configuration.")
print(f"[CONFIG] Project: {PROJECT_ID}")
print(f"[CONFIG] Bucket: {STORAGE_BUCKET}")
 
# V3.1.3: Model Hardening - Restricted to gemini-2.0-flash ONLY
# To change model, update the environment variable 'GEMINI_MODEL'
GEMINI_MODEL = os.getenv("GEMINI_MODEL", "gemini-2.0-flash")
print(f"[CONFIG] Active Model: {GEMINI_MODEL}")