from pydantic import BaseModel, Field
from datetime import datetime

class ServerTimeBase(BaseModel):
    current_time: datetime = Field(default_factory=datetime.now, description="Current server timestamp")

class ServerTimeCreate(ServerTimeBase):
    pass

class ServerTime(ServerTimeBase):
    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "current_time": "2024-01-20T12:00:00.000Z"
            }
        }