"""任务状态查询（前端轮询）。"""
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession

from app.db import get_db
from app.deps import get_current_user
from app.models.job import ProcessingJob
from app.models.user import User
from app.schemas.job import JobOut

router = APIRouter(prefix="/api/jobs", tags=["jobs"])


@router.get("/{job_id}", response_model=JobOut)
async def get_job(
    job_id: str,
    db: AsyncSession = Depends(get_db),
    current: User = Depends(get_current_user),
):
    job = await db.scalar(
        select(ProcessingJob).where(
            ProcessingJob.id == job_id, ProcessingJob.user_id == current.id
        )
    )
    if job is None:
        raise HTTPException(status.HTTP_404_NOT_FOUND, detail="任务不存在")
    return job