// Load leaderboard via Cloudflare Worker proxy
async function fetchLeaderboard() {
  try {
    const realUrl = `${RANKORA_API_BASE}/leaderboards/${RANKORA_LEADERBOARD_ID}/entries?limit=10`;
    const proxyUrl = `https://restless-paper-f890.sfguy2.workers.dev/?target=${encodeURIComponent(realUrl)}`;

    const res = await fetch(proxyUrl);
    if (!res.ok) throw new Error(`HTTP ${res.status}`);
    const data = await res.json();
    renderLeaderboard(data.entries);
  } catch (err) {
    console.error("fetchLeaderboard failed:", err);
  }
}

// Submit score via Cloudflare Worker proxy
async function submitScore(playerName, score) {
  try {
    const realUrl = `${RANKORA_API_BASE}/leaderboards/${RANKORA_LEADERBOARD_ID}/entries`;
    const proxyUrl = `https://restless-paper-f890.sfguy2.workers.dev/?target=${encodeURIComponent(realUrl)}`;

    const payload = { name: playerName, score: score };

    const res = await fetch(proxyUrl, {
      method: "POST",
      headers: { "Content‑Type": "application/json" },
      body: JSON.stringify(payload)
    });

    if (!res.ok) throw new Error(`HTTP ${res.status}`);
    await res.json();
    await fetchLeaderboard(); // refresh leaderboard after submit
  } catch (err) {
    console.error("submitScore failed:", err);
  }
}