from pydantic import BaseModel
from datetime import datetime
from typing import Optional
from uuid import UUID

class FileBase(BaseModel):
    filename: str
    status: str
    error_message: Optional[str] = None

class FileResponse(FileBase):
    id: UUID
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True

class FileList(BaseModel):
    files: list[FileResponse]
    total: int