from pydantic_settings import BaseSettings
from typing import Optional

class Settings(BaseSettings):
    # Application settings with defaults
    APP_NAME: str = "FaceRecognitionAPI"
    APP_VERSION: str = "1.0.0"
    APP_VARIENT: str = "v1"
    
    # Server settings with defaults
    host: str = "0.0.0.0"
    port: int = 7860
    
    # Detection settings with defaults
    DETECTION_MODEL: str = "mtcnn"  # Options: mtcnn, yoloface
    YOLOFACE_MODEL_PATH: str = "assets/yolov11n-face.pt"
    
    # Database settings with defaults
    CHROMA_DB_PATH: str = "./chroma_data"
    COLLECTION_NAME: str = "face_embeddings_collection"
    
    # Recognition settings with defaults
    SIMILARITY_THRESHOLD: float = 0.7
    MAX_RESULTS: int = 1
    
    class Config:
        env_file = ".env"
        env_file_encoding = 'utf-8'
        case_sensitive = False
        extra = "ignore"  # Ignore extra environment variables

def get_settings():
    return Settings()