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

import { getBillDiff } from "@/lib/feed";

export const dynamic = "force-dynamic";

export async function GET(

  req: NextRequest,

  { params }: { params: { id: string } }

) {

  const numeric = parseInt(params.id.replace(/^bill:/, ""), 10);

  const sp = req.nextUrl.searchParams;

  const from = sp.get("from") || "ih";

  const to = sp.get("to") || "rh";

  if (!Number.isFinite(numeric)) {

    return NextResponse.json({ error: "not found" }, { status: 404 });

  }

  const diff = getBillDiff(numeric, from, to);

  if (!diff.changes.length) {

    diff.note =

      "No section-level diff on file. Some changes enter via voice vote or unanimous consent - no individual record exists for those.";

  }

  return NextResponse.json(diff);

}