import { NextResponse } from "next/server";
import { createSurvey, getAssessment, getCatalog, listSurveys } from "@/lib/store";
import { surveyableDomains } from "@/lib/survey";

type Ctx = { params: Promise<{ id: string }> };

export async function GET(_req: Request, { params }: Ctx) {
  const { id } = await params;
  if (!(await getAssessment(id))) return NextResponse.json({ error: "Not found" }, { status: 404 });
  return NextResponse.json(await listSurveys(id));
}

export async function POST(req: Request, { params }: Ctx) {
  const { id } = await params;
  if (!(await getAssessment(id))) return NextResponse.json({ error: "Not found" }, { status: 404 });

  const body = (await req.json()) as { respondentName?: string; domains?: string[] };
  // Keep catalog order and drop anything that is not a live category.
  const wanted = new Set(Array.isArray(body.domains) ? body.domains : []);
  const domains = surveyableDomains(await getCatalog()).map((d) => d.id).filter((d) => wanted.has(d));
  if (!domains.length) return NextResponse.json({ error: "Pick at least one category." }, { status: 400 });

  const name = typeof body.respondentName === "string" ? body.respondentName.trim().slice(0, 120) : "";
  return NextResponse.json(await createSurvey(id, name, domains));
}