import assert from "node:assert/strict";
import { createReadStream, statSync } from "node:fs";
import { createServer } from "node:http";
import { extname, resolve } from "node:path";
import { fileURLToPath } from "node:url";

import { chromium } from "../../app/node_modules/playwright/index.mjs";

const webRoot = resolve(fileURLToPath(new URL("../..", import.meta.url)));
const contentTypes = {
  ".html": "text/html; charset=utf-8",
  ".js": "text/javascript; charset=utf-8",
  ".mjs": "text/javascript; charset=utf-8",
  ".json": "application/json; charset=utf-8",
  ".wasm": "application/wasm",
  ".zip": "application/zip",
};
const server = createServer((request, response) => {
  try {
    const pathname = decodeURIComponent(new URL(request.url, "http://localhost").pathname);
    const path = resolve(webRoot, `.${pathname}`);
    if (!path.startsWith(webRoot) || !statSync(path).isFile()) {
      response.writeHead(404).end("not found");
      return;
    }
    response.writeHead(200, { "Content-Type": contentTypes[extname(path)] || "application/octet-stream" });
    createReadStream(path).pipe(response);
  } catch {
    response.writeHead(404).end("not found");
  }
});
await new Promise((resolveListen) => server.listen(0, "127.0.0.1", resolveListen));
const address = server.address();
const browser = await chromium.launch({ headless: true });
try {
  const page = await browser.newPage();
  await page.goto(`http://127.0.0.1:${address.port}/tests/browser/python_remap_pyodide_browser_smoke.html`);
  await page.waitForFunction(
    () => document.getElementById("status")?.textContent.includes("python_remap_pyodide_browser_runtime=ok"),
    null,
    { timeout: 60000 },
  );
  const status = await page.locator("#status").textContent();
  assert.match(status, /python_remap_queuebuster_first_yield=2/);
  assert.match(status, /python_remap_execution_enabled=1/);
  assert.match(status, /python_remap_promotion_allowed=1/);
  console.log(status);

  const appPage = await browser.newPage();
  await appPage.goto(`http://127.0.0.1:${address.port}/app/dist/index.html`);
  const appReadiness = await appPage.evaluate(async () => {
    await window.webRtcp5AxisSimulation.pythonRemapRuntimeReady;
    return window.webRtcp5AxisSimulation.getState().pythonRemapRuntimeReadiness;
  });
  assert.equal(appReadiness.runtimeExecutionReady, true);
  assert.equal(appReadiness.lifecycleReady, true);
  assert.equal(appReadiness.executionEnabled, true);
  assert.equal(appReadiness.promotionAllowed, true);
  assert.equal(appReadiness.firstYield, 2);
  console.log("python_remap_target_web_integration=ok");
} finally {
  await browser.close();
  await new Promise((resolveClose) => server.close(resolveClose));
}