from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    # Server
    api_host: str = "0.0.0.0"
    api_port: int = 8878

    # NATS
    nats_url: str = "nats://nats:4222"
    nats_token: str = ""

    # Service identity
    service_name: str = "realsense-d435"
    service_domain: str = "vision"

    # Security
    api_key: str = ""

    # Storage
    images_dir: str = "/app/images"

    # RealSense stream config
    camera_width: int = 640
    camera_height: int = 480
    camera_fps: int = 30
    camera_auto_open: bool = True

    # Frame-path timings: one log line per phase every N samples (0 = off).
    # Read from `docker logs` to see where a capture spends its time on PC2.
    phase_log_every: int = 100

    # YOLO detector (optional — disabled if model file or onnxruntime missing)
    yolo_onnx_path: str = "/app/models/best.onnx"
    yolo_classes: str = ""
    yolo_conf_default: float = 0.5

    @property
    def yolo_class_list(self) -> list[str]:
        return [s.strip() for s in self.yolo_classes.split(",") if s.strip()]

    # CORS (comma-separated string, parsed into list)
    cors_origins: str = "http://localhost:5173,http://localhost,http://localhost:80"

    @property
    def cors_origins_list(self) -> list[str]:
        return [s.strip() for s in self.cors_origins.split(",")]

    model_config = {
        "env_file": ".env",
        "env_file_encoding": "utf-8",
    }


settings = Settings()