from datetime import datetime
from pydantic import BaseModel

class OwnerBase(BaseModel):
    name: str
    contact: str | None = None

class OwnerCreate(OwnerBase):
    pass

class OwnerRead(OwnerBase):
    id: int
    class Config:
        from_attributes = True

class ServerBase(BaseModel):
    hostname: str
    description: str | None = None
    owner_id: int | None = None

class ServerCreate(ServerBase):
    pass

class ServerRead(ServerBase):
    id: int
    owner: OwnerRead | None = None
    class Config:
        from_attributes = True

class WorkEntryBase(BaseModel):
    title: str
    description: str | None = None
    duration_minutes: int | None = None

class WorkEntryCreate(WorkEntryBase):
    server_ids: list[int] | None = None
    pass

class WorkEntryRead(WorkEntryBase):
    id: int
    created_at: datetime
    created_by_user_id: int
    servers: list[ServerRead]
    class Config:
        from_attributes = True

class UserCreate(BaseModel):
    username: str
    password: str

class UserRead(BaseModel):
    id: int
    username: str
    class Config:
        from_attributes = True