"""Export routes — download job results as JSON."""

from __future__ import annotations

from fastapi import APIRouter, Depends, HTTPException
from fastapi.responses import PlainTextResponse

from api.deps import get_export_service
from services.export_service import ExportService

router = APIRouter()


@router.get("/{job_id}")
async def export_job(job_id: str, svc: ExportService = Depends(get_export_service)):
    data = svc.export_job_json_str(job_id)
    if data is None:
        raise HTTPException(status_code=404, detail="Job not found")
    return PlainTextResponse(content=data, media_type="application/json",
                             headers={"Content-Disposition": f"attachment; filename={job_id}.json"})