// 测试移动端各导航页面
const wsUrl = process.argv[2] || "ws://127.0.0.1:9222/devtools/page/4";

const ws = new WebSocket(wsUrl);
let id = 0;
const pending = new Map();

function send(method, params = {}) {
  return new Promise((resolve, reject) => {
    const msgId = ++id;
    pending.set(msgId, { resolve, reject });
    ws.send(JSON.stringify({ id: msgId, method, params }));
  });
}

ws.onmessage = (event) => {
  const msg = JSON.parse(event.data);
  if (msg.id && pending.has(msg.id)) {
    const { resolve, reject } = pending.get(msg.id);
    pending.delete(msg.id);
    if (msg.error) reject(new Error(JSON.stringify(msg.error)));
    else resolve(msg.result);
  }
};

ws.onerror = (e) => {
  console.error("WS error:", e.message || e);
  process.exit(1);
};

async function evalJS(expr) {
  const res = await send("Runtime.evaluate", { expression: expr, returnByValue: true });
  return res.result.value;
}

async function navigate(path) {
  await send("Page.navigate", { url: "http://192.168.5.7" + path });
  await new Promise(r => setTimeout(r, 3000));
  const state = await evalJS(`JSON.stringify({
    url: location.href,
    title: document.title,
    bodyText: document.body.innerText.slice(0, 200),
    overflowX: document.documentElement.scrollWidth > document.documentElement.clientWidth,
    viewport: window.innerWidth + 'x' + window.innerHeight
  })`);
  console.log(`\n=== ${path} ===`);
  console.log(state);
}

ws.onopen = async () => {
  try {
    await send("Page.enable");
    await navigate("/");
    await navigate("/utility");
    await navigate("/learn");
    await navigate("/article");
    await navigate("/api");
    await navigate("/profile");
  } catch (e) {
    console.error("Error:", e.message);
  } finally {
    ws.close();
    process.exit(0);
  }
};