from typing import Literal, Optional, TYPE_CHECKING
from sqlmodel import Field, SQLModel, Relationship

if TYPE_CHECKING:
    from diyalgo.models import Status

class MediaAttachment(SQLModel, table=True):
    id: int = Field(primary_key=True)
    blurhash: str
    description: str
    # meta: dict
    preview_url: str
    remote_url: str
    type: str #Literal['unknown', 'image', 'gifv', 'video', 'audio']
    url: str
    status_id: Optional[int] = Field(default=None, foreign_key='status.id')
    status: 'Status' = Relationship(back_populates='media_attachments')

    # class Config:
    #     extra = 'ignore'