import { db } from "../../../db/index";
import { topics, lessons } 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 lesson = await db.query.lessons.findFirst({ where: eq(lessons.topicId, id) });
  if (!lesson) throw createError({ statusCode: 404, message: "Lesson not yet generated" });

  return {
    ...lesson,
    content: JSON.parse(lesson.content),
  };
});