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

// ── GET /api/ext/exports/latest?shotCode=&projectCode= (E2) ──────────────────
//
// Latest export + status for the AE panel status header. Returns
// { "export": null } when the shot has never been exported.

export async function GET(req: NextRequest) {
  if (!isExtAuthorized(req)) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }
  const { searchParams } = new URL(req.url);
  const shotCode = searchParams.get("shotCode")?.trim();
  const projectCode = searchParams.get("projectCode")?.trim();
  if (!shotCode) {
    return NextResponse.json({ error: "shotCode query param is required" }, { status: 400 });
  }
  try {
    const result = await getLatestExport(shotCode, projectCode);
    return NextResponse.json(result);
  } catch (err) {
    const { body, status } = toErrorResponse(err);
    return NextResponse.json(body, { status });
  }
}