"""长任务轮询端点 GET /jobs/:id（ARCH §7.4）。"""

from __future__ import annotations

import uuid
from typing import Annotated

from fastapi import APIRouter, Depends
from ww_core.domain import JobRepo
from ww_shared import AppError, ErrorCode, ErrorEnvelope

from ww_api.schemas.jobs import JobResponse
from ww_api.services.project_deps import get_job_repo

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


@router.get(
    "/{job_id}",
    responses={404: {"model": ErrorEnvelope, "description": "job 不存在"}},
)
async def get_job(
    job_id: uuid.UUID,
    job_repo: Annotated[JobRepo, Depends(get_job_repo)],
) -> JobResponse:
    job = await job_repo.get(job_id)
    if job is None:
        raise AppError(ErrorCode.NOT_FOUND, f"job {job_id} not found")
    return JobResponse(
        id=job.id,
        kind=job.kind,
        status=job.status,
        progress=job.progress,
        result=job.result,
        error=job.error,
    )