app/config.py

import os
from dotenv import load_dotenv, dotenv_values

# Load from .env.deploy first, then .env, then env vars
_env_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), ".env.deploy")
if os.path.exists(_env_path):
    load_dotenv(_env_path)
    _env_file = dotenv_values(_env_path)
else:
    load_dotenv()
    _env_file = dotenv_values()
_env_supabase_url = _env_file.get("SUPABASE_URL")
_env_supabase_key = _env_file.get("SUPABASE_SERVICE_ROLE_KEY")


class Settings:
    GROQ_API_KEY: str = os.getenv("GROQ_API_KEY", "")
    REDIS_URL: str = os.getenv("REDIS_URL", "redis://localhost:6379")
    SUPABASE_URL: str = _env_supabase_url or os.getenv("SUPABASE_URL", "")
    SUPABASE_SERVICE_ROLE_KEY: str = _env_supabase_key or os.getenv("SUPABASE_SERVICE_ROLE_KEY", "")
    CELERY_BROKER_URL: str = os.getenv("CELERY_BROKER_URL", "redis://localhost:6379/1")
    CELERY_RESULT_BACKEND: str = os.getenv("CELERY_RESULT_BACKEND", "redis://localhost:6379/2")
    EBI_BASE_URL: str = "https://www.ebi.ac.uk/Tools/services/rest/ncbiblast"
    UNIPROT_BASE_URL: str = "https://rest.uniprot.org/uniprotkb"
    ALPHAFOLD_DB_URL: str = "https://alphafold.ebi.ac.uk/api/prediction"
    DAILY_LIMIT: int = 10
    DEFAULT_MODEL: str = os.getenv("DEFAULT_MODEL", "groq/llama-3.3-70b-versatile")
    PRO_MODEL: str = os.getenv("PRO_MODEL", "claude-sonnet-4-20250514")
    NCBI_EMAIL: str = os.getenv("NCBI_EMAIL", "bioflow@example.com")
    DEMO_MODE: bool = os.getenv("DEMO_MODE", "false").lower() in ("true", "1", "yes")
    CORS_ORIGIN: str = os.getenv("CORS_ORIGIN", "https://bioai-platform.vercel.app")
    SENTRY_DSN: str = os.getenv("SENTRY_DSN", "")


settings = Settings()