"use server";

import { revalidatePath } from "next/cache";
import { auth } from "@/lib/auth";
import { prisma } from "@/lib/prisma";
import { rcon } from "@/lib/services/rcon";

// Emulator motto column is VARCHAR(127); keep the CMS-side write within bounds.
const MOTTO_MAX = 127;

/**
 * Update the SIGNED-IN user's motto. The id is taken from the session
 * (re-fetched via auth()), never from the submitted FormData, so a crafted
 * form cannot mutate another account. Mirrors AtomCMS: persist + RCON setmotto
 * so an online user sees the change live.
 */
export async function updateMotto(formData: FormData): Promise<void> {
  const session = await auth();
  if (!session?.user?.id) return;

  const id = Number(session.user.id);
  if (!Number.isFinite(id)) return;

  const motto = String(formData.get("motto") ?? "").slice(0, MOTTO_MAX);

  try {
    await prisma.user.update({ where: { id }, data: { motto } });
  } catch {
    // DB unavailable — fail soft; nothing to persist.
    return;
  }

  try {
    await rcon.setMotto(id, motto);
  } catch {
    // RCON is best-effort; the change is already persisted.
  }

  revalidatePath("/settings");
}