from datetime import datetime
from typing import Optional
from pydantic import BaseModel


class ServerBase(BaseModel):
    name: str
    ip_address: str
    description: Optional[str] = None
    sort_order: int = 0
    is_active: bool = True


class ServerCreate(ServerBase):
    pass


class ServerUpdate(BaseModel):
    name: Optional[str] = None
    ip_address: Optional[str] = None
    description: Optional[str] = None
    sort_order: Optional[int] = None
    is_active: Optional[bool] = None


class ServerAvailability(BaseModel):
    availability_30d: Optional[float] = None
    availability_90d: Optional[float] = None
    availability_365d: Optional[float] = None


class ServerResponse(ServerBase):
    id: int
    recorded_at: datetime
    last_result: Optional[bool] = None
    last_response_time: Optional[float] = None
    availability: Optional[ServerAvailability] = None

    class Config:
        from_attributes = True