import { NextRequest, NextResponse } from "next/server";
import { isExtAuthorized } from "@/lib/render-pipeline/ext-auth";
import { toErrorResponse } from "@/lib/render-pipeline/errors";
import { reportProgress } from "@/lib/render-pipeline/jobs";

// ── PATCH /api/ext/render/jobs/{jobId}/progress (E9) ─────────────────────────
//
// Progress/ETA report; renews the job lease. Response carries cancelRequested
// so a worker learns about cancellation without any server→worker connection.

export async function PATCH(
  req: NextRequest,
  { params }: { params: Promise<{ jobId: string }> }
) {
  if (!isExtAuthorized(req)) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }
  const { jobId } = await params;
  let body: {
    machineId?: string;
    progress?: number;
    currentFrame?: number;
    totalFrames?: number;
    etaSeconds?: number;
    logTail?: string;
  };
  try {
    body = await req.json();
  } catch {
    return NextResponse.json({ error: "Invalid JSON" }, { status: 400 });
  }
  if (!body.machineId) {
    return NextResponse.json({ error: "machineId is required" }, { status: 400 });
  }
  try {
    const result = await reportProgress(jobId, body.machineId, body);
    return NextResponse.json(result);
  } catch (err) {
    const { body: errBody, status } = toErrorResponse(err);
    return NextResponse.json(errBody, { status });
  }
}