import { db } from "../../../db/index";
import { topics, quizQuestions } from "../../../db/schema";
import { eq } from "drizzle-orm";

export default defineEventHandler(async (event) => {
  const id = getRouterParam(event, "id")!;

  const topic = await db.query.topics.findFirst({ where: eq(topics.id, id) });
  if (!topic) throw createError({ statusCode: 404, message: "Topic not found" });

  const questions = await db.query.quizQuestions.findMany({
    where: eq(quizQuestions.topicId, id),
  });

  if (questions.length === 0) throw createError({ statusCode: 404, message: "Quiz not yet generated" });

  return questions.map((q) => ({
    ...q,
    options: q.options ? JSON.parse(q.options) : null,
  }));
});