import { NextRequest, NextResponse } from "next/server";
import { toErrorResponse, PipelineError } from "@/lib/render-pipeline/errors";
import { requirePipelineUser } from "@/lib/render-pipeline/session-auth";
import { getJobDetail } from "@/lib/render-pipeline/jobs";
import { cancelExport } from "@/lib/render-pipeline/exports";

// ── POST /api/render/jobs/{jobId}/cancel (E15 / T18) ─────────────────────────

export async function POST(
  _req: NextRequest,
  { params }: { params: Promise<{ jobId: string }> }
) {
  try {
    const user = await requirePipelineUser();
    const { jobId } = await params;
    const job = await getJobDetail(jobId);
    if (!job.exportId) throw new PipelineError(422, "Job has no export to cancel");
    const result = await cancelExport(job.exportId, { type: "USER", id: user.id, note: "Cancelled from web UI" });
    return NextResponse.json(result);
  } catch (err) {
    const { body, status } = toErrorResponse(err);
    return NextResponse.json(body, { status });
  }
}