import { createRequire } from "node:module";
import path from "node:path";
const { chromium } = createRequire(import.meta.url)(path.resolve("web/node_modules/playwright"));
const browser = await chromium.launch({ headless: true, executablePath: "/usr/bin/google-chrome-stable",
  args: ["--no-sandbox","--use-gl=swiftshader","--enable-unsafe-swiftshader","--enable-unsafe-webgpu","--enable-dawn-features=allow_unsafe_apis","--use-webgpu-adapter=swiftshader"] });
const ctx = await browser.newContext({ viewport: { width: 1440, height: 900 } });
const page = await ctx.newPage();
await page.goto("http://127.0.0.1:5402/", { waitUntil: "domcontentloaded" });
await page.waitForFunction(() => document.body.innerText.includes("WASM ABI: ready"), undefined, { timeout: 120000 });
await page.getByTestId("blend-file-input").setInputFiles(path.resolve("tests/files/web/basic_scene.blend"));
await page.waitForFunction(() => /Active Basic/.test(document.querySelector('[data-testid="scene-stats"]')?.textContent ?? ""), undefined, { timeout: 120000 });
await page.waitForTimeout(2000);
const st = () => page.evaluate(() => ({
  ws: document.querySelector("main")?.getAttribute("data-workspace"),
  display: document.querySelector('canvas[aria-label="Blender desktop"]')?.getAttribute("data-native-display"),
  engine: document.querySelector('[data-testid="engine-status"]')?.textContent,
  detail: (document.querySelector("main")?.getAttribute("data-last-diagnostic-detail")||"").slice(0,140),
}));
const go = (n) => page.evaluate((v) => { const b=[...document.querySelectorAll('nav[aria-label="工作区"] button')].find(x=>(x.textContent||"").trim()===v); b?.click(); }, n);
await go("Shading"); await page.waitForTimeout(8000);
console.log("S1", JSON.stringify(await st()));
// retry switching repeatedly with increasing waits: does the python flag clear?
for (const w of [4000, 8000, 15000, 25000]) {
  await go("Layout"); await page.waitForTimeout(w);
  console.log("TRY-"+w, JSON.stringify(await st()));
}
// and does a same-candidate fresh reload switch away from Shading directly?
await page.reload({ waitUntil: "domcontentloaded" });
await page.waitForFunction(() => document.body.innerText.includes("WASM ABI: ready"), undefined, { timeout: 120000 });
await page.getByTestId("blend-file-input").setInputFiles(path.resolve("tests/files/web/basic_scene.blend"));
await page.waitForFunction(() => /Active Basic/.test(document.querySelector('[data-testid="scene-stats"]')?.textContent ?? ""), undefined, { timeout: 120000 });
await page.waitForTimeout(2000);
for (const n of ["Shading","UV Editing","Layout","Modeling"]) { await go(n); await page.waitForTimeout(9000); console.log("SEQ-"+n, JSON.stringify(await st())); }
await browser.close();