import { NextRequest, NextResponse } from "next/server";

const FREESOUND_API = "https://freesound.org/apiv2/search/text/";
const API_KEY = process.env.FREESOUND_API_KEY || "";

export async function GET(req: NextRequest) {
  const query = req.nextUrl.searchParams.get("q") || "";
  const page = parseInt(req.nextUrl.searchParams.get("page") || "1");

  if (!query) return NextResponse.json({ results: [] });
  if (!API_KEY) return NextResponse.json({ error: "Freesound API key not configured" }, { status: 500 });

  try {
    const url = `${FREESOUND_API}?query=${encodeURIComponent(query)}&page=${page}&token=${API_KEY}&page_size=12&fields=id,name,duration,previews`;
    const res = await fetch(url);
    const data = await res.json();

    const results = (data.results || []).map((r: any) => ({
      id: r.id,
      name: r.name,
      duration: r.duration,
      previewUrl: r.previews?.["preview-lq-mp3"] || r.previews?.["preview-hq-mp3"] || null,
    }));

    return NextResponse.json({ results, count: data.count || 0 });
  } catch (e) {
    return NextResponse.json({ error: "Freesound search failed" }, { status: 500 });
  }
}