import { NextResponse } from "next/server";
import { getVisualLessonFrames } from "@/lib/knowledge-base/sslc-physics";

export async function GET(request: Request) {
  const { searchParams } = new URL(request.url);
  const chapterId = searchParams.get("chapterId");

  if (!chapterId) {
    return NextResponse.json({ error: "chapterId is required" }, { status: 400 });
  }

  try {
    const data = getVisualLessonFrames(chapterId);
    if (!data) {
      return NextResponse.json({ error: "Not found" }, { status: 404 });
    }
    return NextResponse.json(data);
  } catch {
    return NextResponse.json({ error: "Internal server error" }, { status: 500 });
  }
}