import { addComment } from "@/lib/db";

export async function POST(
  req: Request,
  { params }: { params: Promise<{ id: string }> }
) {
  const { id } = await params;

  let body: { body: string };
  try {
    body = await req.json();
  } catch {
    return Response.json({ error: "Invalid JSON" }, { status: 400 });
  }

  if (!body.body?.trim()) {
    return Response.json({ error: "Comment body is required" }, { status: 400 });
  }

  const comment = addComment(Number(id), body.body.trim());
  if (!comment) {
    return Response.json({ error: "Alert not found" }, { status: 404 });
  }

  return Response.json(comment, { status: 201 });
}