from pydantic_settings import BaseSettings
from typing import Optional


class Settings(BaseSettings):
    APP_NAME: str = "BantayCam"
    APP_VERSION: str = "0.1.0"
    DEBUG: bool = False

    # Database
    DATABASE_URL: str = "postgresql+asyncpg://bantaycam:bantaycam@localhost:5432/bantaycam"

    # Storage (MinIO / local)
    STORAGE_TYPE: str = "local"  # "local" or "minio"
    STORAGE_PATH: str = "./snapshots"
    MINIO_ENDPOINT: str = ""
    MINIO_ACCESS_KEY: str = ""
    MINIO_SECRET_KEY: str = ""
    MINIO_BUCKET: str = "bantaycam"

    # AI Models
    YOLO_MODEL: str = "yolov8n.pt"              # Vehicle + person detection
    PLATE_MODEL: str = "yolov8n.pt"             # Plate detection (custom PH)
    FACE_MODEL: str = "buffalo_l"               # InsightFace model
    GPU_DEVICE: int = 0                          # -1 for CPU, 0 for first GPU

    # Processing
    PROCESS_EVERY_N_FRAMES: int = 5             # Skip frames for performance
    FACE_SIMILARITY_THRESHOLD: float = 0.5      # Cosine distance threshold
    PLATE_CONFIDENCE_THRESHOLD: float = 0.6
    DETECTION_CONFIDENCE_THRESHOLD: float = 0.5

    # Alerts
    TELEGRAM_BOT_TOKEN: Optional[str] = None
    TELEGRAM_CHAT_ID: Optional[str] = None

    class Config:
        env_file = ".env"
        case_sensitive = True


settings = Settings()