from typing import Union
from pydantic import BaseModel
from uuid import UUID


class ParticipantInfo(BaseModel):
    total: int
    remaining: int


class Queue(BaseModel):
    name: str
    description: Union[str, None] = None


class QueueInList(Queue):
    participants: ParticipantInfo

    class Config:
        from_attributes = True


class QueueInDb(Queue):
    id: UUID

    class Config:
        from_attributes = True


class QueueDetail(Queue):
    id: UUID
    participants: ParticipantInfo