/**
 * GET /api/credits/balance?handle=<handle>
 * Returns the VOID credit balance and unlocked tool list for a handle.
 */

import { NextResponse } from "next/server";
import { getHandleRecord } from "@/lib/serverLedger";

export async function GET(req: Request) {
  const { searchParams } = new URL(req.url);
  const handle = searchParams.get("handle")?.trim() ?? "";

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

  const rec = getHandleRecord(handle);
  return NextResponse.json({
    ok: true,
    handle: handle.toLowerCase(),
    voidCredits: rec.voidCredits,
    unlockedToolIds: rec.unlockedTools.map((t) => t.toolId),
  });
}