import { projectRef } from "@/lib/projects";
import { isTakeId, listTakes, readVerdicts, setTakeVerdict } from "@/lib/report/takes.mjs";

export const dynamic = "force-dynamic";

// GET  ?project=<id>                         <project>/takes/verdicts.json, as read
// POST { project, take, verdict?, note? }    set one take's verdict ("like" |
//                                            "maybe" | "no" | null) and/or note;
//                                            an absent field keeps its value
//
// The take must be one the listing returns. A verdict on a take that is not
// there would be written into a file another agent reads as a decision.
export async function GET(request: Request) {
  const url = new URL(request.url);
  const project = await projectRef(url.searchParams.get("project") ?? "");
  if (!project) return Response.json({ error: "no such project" }, { status: 404 });
  return Response.json({ verdicts: await readVerdicts(project.dir) }, { headers: { "cache-control": "no-store" } });
}

export async function POST(request: Request) {
  const body = (await request.json().catch(() => null)) as {
    project?: string;
    take?: string;
    verdict?: string | null;
    note?: string;
  } | null;
  if (!body || typeof body !== "object") return Response.json({ error: "bad json" }, { status: 400 });
  if (!isTakeId(body.take)) return Response.json({ error: "take must be a take id" }, { status: 400 });
  const project = await projectRef(String(body.project ?? ""));
  if (!project) return Response.json({ error: "no such project" }, { status: 404 });
  const { takes } = await listTakes(project.dir);
  if (!takes.some((t) => t.id === body.take)) return Response.json({ error: "no such take" }, { status: 404 });
  try {
    const r = await setTakeVerdict(project.dir, body.take, { verdict: body.verdict, note: body.note });
    return Response.json({ ok: true, ...r }, { headers: { "cache-control": "no-store" } });
  } catch (e) {
    return Response.json({ error: e instanceof Error ? e.message : String(e) }, { status: 400 });
  }
}