// 最小演示：打开本地发布站点 → 上电 → HOME ALL → 载入并执行程序。
// 默认在桌面开可见窗口执行，逐步打印中文说明，方便人工观察。
//
// 运行：
//   DISPLAY=:1 PLAYWRIGHT_MODULE=/path/to/playwright/index.mjs \
//   node docs/user-manual/local-run-demo.mjs
//
// 环境变量：DEMO_URL（默认 http://127.0.0.1:5174/）、DEMO_PACE_MS（每步停留，默认 2500）、
//          DEMO_RUN_HOLD_MS（程序运行观察时长，默认 45000）、CHROME_PATH。

import { dirname, resolve } from "node:path";
import { fileURLToPath } from "node:url";

const here = dirname(fileURLToPath(import.meta.url));
const baseUrl = process.env.DEMO_URL ?? "http://127.0.0.1:5174/";
const chromePath = process.env.CHROME_PATH ?? "/usr/bin/google-chrome";
const pace = Number(process.env.DEMO_PACE_MS ?? 2500);
const runHold = Number(process.env.DEMO_RUN_HOLD_MS ?? 45000);
const shotDir = resolve(here, "local-walkthrough");

const { chromium } = await import(process.env.PLAYWRIGHT_MODULE);
const browser = await chromium.launch({
  executablePath: chromePath,
  headless: false,
  args: ["--no-sandbox", "--start-maximized", "--disable-infobars", "--enable-unsafe-swiftshader"],
});
const page = await browser.newPage({ viewport: null });
await page.bringToFront().catch(() => {});

const wait = (ms) => page.waitForTimeout(ms);
const status = async () => (await page.locator(".machine-status").innerText()).replace(/\s+/g, " ").trim();
const command = async () => (await page.locator(".command-status").innerText()).trim();
const axes = async () => page.locator(".xyzac-position-grid output").allInnerTexts();
const shot = (name) => page.screenshot({ path: resolve(shotDir, name) });
const say = (step, message) => console.log(`\n[${step}] ${message}`);
const detail = async () => {
  const text = await status();
  return `${text.match(/Task state (\S+)/)?.[1]} / ${text.match(/Interpreter (\S+)/)?.[1]} / ${text.match(/Machine sequence (NOT HOMED|HOMED)/)?.[1]}`;
};
const waitFor = async (check, timeout, label) => {
  const deadline = Date.now() + timeout;
  let last = "";
  while (Date.now() < deadline) {
    last = await check();
    if (last) return last;
    await wait(400);
  }
  throw new Error(`${label} 超时（最后：${last || "无"}）`);
};
const waitStatus = (pattern, timeout = 60000) => waitFor(async () => {
  const text = await status();
  return pattern.test(text) ? text : null;
}, timeout, `等待 ${pattern}`);
const waitCase = () => waitFor(async () => ((await page.locator(".case-status").innerText()).trim().startsWith("Program:") ? "ok" : null), 120000, "程序装载");

say(1, `打开网站 ${baseUrl}`);
await page.goto(baseUrl, { waitUntil: "load", timeout: 60000 });
await page.waitForSelector('[data-axis-control="workspace-case-select"]', { timeout: 60000 });
await waitCase();
await waitStatus(/STATE_/, 60000);
await wait(2000);
console.log(`    连接：${(await page.locator(".connection-state").innerText()).trim()}｜当前程序：${(await page.locator(".case-status").innerText()).trim()}｜状态：${await detail()}`);
await shot("demo-1-opened.png");

say(2, "机床尚未上电，确认运动操作被门控挡住");
const jogButton = page.locator('[data-axis-control="manual-jog-positive"]');
console.log(`    Jog 按钮：${(await jogButton.isDisabled()) ? `禁用（${await jogButton.getAttribute("title")}）` : "可用"}｜任务模式：${(await status()).match(/Task mode (\S+)/)?.[1]}`);
await wait(pace);

say(3, "急停复位，然后上电");
const estop = page.locator('[data-axis-control="toolbar-estop"]');
if ((await estop.getAttribute("aria-label"))?.includes("Cancel")) { await estop.click(); await wait(1500); }
await page.locator('[data-axis-control="toolbar-power"]').click();
const powered = await waitStatus(/STATE_ON|STATE_IDLE/, 40000);
console.log(`    上电完成：${powered.match(/Task state (\S+)/)?.[1]}｜反馈：${await command()}`);
await shot("demo-2-powered.png");
await wait(pace);

say(4, "HOME ALL 全部关节回零");
await page.locator('[data-axis-control="manual-home-all"]').click();
await waitStatus(/Machine sequence HOMED/, 60000);
await wait(1500);
console.log(`    回零完成：${await detail()}｜轴位：${(await axes()).join(" / ")}`);
await shot("demo-3-homed.png");
await wait(pace);

say(5, "载入 XYZAC 船体程序");
await page.locator('[data-axis-control="workspace-load-boat"]').click();
await waitCase();
await wait(3000);
console.log(`    程序：${(await page.locator(".case-status").innerText()).trim()}｜反馈：${await command()}`);
await shot("demo-4-program-loaded.png");
await wait(pace);

say(6, "执行程序，观察解释器与轴运动");
await page.locator('[data-axis-control="toolbar-run"]').click();
await waitStatus(/STATE_RUNNING|INTERP_READING|INTERP_WAITING/, 60000);
console.log(`    运行中：${await detail()}`);
const samples = [];
const holdUntil = Date.now() + runHold;
let index = 0;
while (Date.now() < holdUntil) {
  await wait(3000);
  const current = await axes();
  samples.push(current.slice(0, 5).join(" / "));
  index += 1;
  console.log(`    +${String(index * 3).padStart(2)}s　${current.slice(0, 5).join("  ")}`);
  if (index % 3 === 0) await shot(`demo-5-running-${index / 3}.png`);
}
console.log(`    轴运动采样（X / Y / Z / A / C）：\n      ${samples.join("\n      ")}`);
await shot("demo-6-running-final.png");

say(7, "停止程序");
if (await page.locator('[data-axis-control="toolbar-stop"]').isEnabled()) await page.locator('[data-axis-control="toolbar-stop"]').click();
await wait(3000);
console.log(`    已停止：${await detail()}｜反馈：${await command()}`);
await shot("demo-7-stopped.png");

console.log("\n演示结束，窗口保持 20 秒后关闭。");
await wait(20000);
await browser.close();