app/config.py

"""
Configuration settings for the application
"""
import os
from pydantic_settings import BaseSettings

class Settings(BaseSettings):
    """Application settings"""
    
    # Firebase settings
    ENABLE_APP_CHECK: bool = os.getenv("ENABLE_APP_CHECK", "true").lower() == "true"
    FIREBASE_CREDENTIALS_PATH: str = os.getenv(
        "FIREBASE_CREDENTIALS_PATH",
        "/data/firebase-adminsdk.json"
    )
    
    # API settings
    BASE_URL: str = os.getenv("BASE_URL", "http://localhost:8000")
    
    # Model / inference settings
    MODEL_ID: str = os.getenv("MODEL_ID", "stabilityai/stable-diffusion-xl-base-1.0")
    NUM_INFERENCE_STEPS: int = int(os.getenv("NUM_INFERENCE_STEPS", "30"))
    POSITIVE_PROMPT: str = os.getenv(
        "POSITIVE_PROMPT",
        "high quality color photo, vibrant natural colors, detailed lighting"
    )
    NEGATIVE_PROMPT: str = os.getenv(
        "NEGATIVE_PROMPT",
        "low quality, monochrome, black and white, desaturated, blurry, grainy"
    )
    GUIDANCE_SCALE: float = float(os.getenv("GUIDANCE_SCALE", "1.0"))
    CONTROLNET_SCALE: float = float(os.getenv("CONTROLNET_SCALE", "1.0"))
    CAPTION_PREFIX: str = os.getenv("CAPTION_PREFIX", "a photography of")
    COLORIZE_SEED: int = int(os.getenv("COLORIZE_SEED", "123"))
    INFERENCE_PROVIDER: str = os.getenv("INFERENCE_PROVIDER", "hf-inference")
    INFERENCE_TIMEOUT: int = int(os.getenv("INFERENCE_TIMEOUT", "180"))
    
    # Storage settings
    UPLOAD_DIR: str = os.getenv("UPLOAD_DIR", "uploads")
    RESULT_DIR: str = os.getenv("RESULT_DIR", "results")
    
    class Config:
        env_file = ".env"
        case_sensitive = False

settings = Settings()