from pydantic import BaseModel
from typing import Optional, List

class Device(BaseModel):
    ip: str
    mac: Optional[str] = None
    hostname: Optional[str] = None
    vendor: Optional[str] = None
    open_ports: Optional[List[str]] = None
    status: str = "online"
    last_seen: Optional[str] = None

class SubnetScanResult(BaseModel):
    devices: List[Device]