import { NextRequest, NextResponse } from "next/server";
import { jsonError, parseTimestampRange } from "@/lib/api-params";
import { getUserRanking } from "@/lib/queries";

export async function GET(req: NextRequest) {
  try {
    const range = parseTimestampRange(req.nextUrl.searchParams);
    if (!range.ok) return jsonError(range.field);

    // Get all visible users for aggregation view, capped by query-layer safeguards.
    const data = await getUserRanking(range.value.startTs, range.value.endTs, 500);
    return NextResponse.json(data);
  } catch (error) {
    console.error("Failed to load aggregation", error);
    return jsonError(undefined, 500);
  }
}