// POST `/api/model` / `/api/effort` — same-origin (this agent's own
// backend), so a plain `fetch` is safe unlike pause/resume (see
// pauseAction.ts). `redirect: 'manual'` + the broad "ok" check below is
// ported from app.js unchanged — the endpoints don't actually redirect
// today, but treating an opaque redirect as success costs nothing and
// matches the existing contract exactly.
async function post(
  path: string,
  field: string,
  value: string,
): Promise<{ ok: boolean; detail?: string }> {
  try {
    const resp = await fetch(path, {
      method: "POST",
      headers: { "Content-Type": "application/x-www-form-urlencoded" },
      body: new URLSearchParams({ [field]: value }),
      redirect: "manual",
    });
    const ok =
      resp.ok ||
      resp.type === "opaqueredirect" ||
      (resp.status >= 200 && resp.status < 400);
    if (ok) return { ok: true };
    const detail = await resp.text().catch(() => "");
    return {
      ok: false,
      detail: `http ${resp.status}${detail ? " — " + detail : ""}`,
    };
  } catch (err) {
    return {
      ok: false,
      detail: err instanceof Error ? err.message : String(err),
    };
  }
}

export const postModel = (name: string) => post("api/model", "model", name);
export const postEffort = (level: string) =>
  post("api/effort", "effort", level);