import { createRequire } from "node:module";
import { randomUUID } from "node:crypto";
import { execFileSync } from "node:child_process";
import { mkdir } from "node:fs/promises";
import { fileURLToPath } from "node:url";

const require = createRequire(process.env.PLAYWRIGHT_REQUIRE_FROM ?? import.meta.url);
const { chromium } = require("playwright");
const outputDirectory = new URL("./screenshots/", import.meta.url);
const webURL = process.env.VISUAL_WEB_URL ?? "http://localhost:3100";
const webHostPattern = new RegExp(new URL(webURL).host.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"));
const oidcURLPattern = new RegExp(process.env.VISUAL_OIDC_URL_PATTERN ?? "localhost:58180");
const ids = [randomUUID(), randomUUID(), randomUUID()];
const publicIDs = [randomUUID(), randomUUID(), randomUUID()];
const marker = randomUUID().slice(0, 8);
const titles = [`页面接手告警夹具-${marker}`, `页面缓解告警夹具-${marker}`, `页面关闭告警夹具-${marker}`];
await mkdir(outputDirectory, { recursive: true });

function psql(statement) {
  return execFileSync("docker", ["compose", "exec", "-T", "postgres", "psql", "-v", "ON_ERROR_STOP=1", "-U", "voice", "-d", "voice_platform", "-Atc", statement], { cwd: process.cwd(), encoding: "utf8", stdio: ["ignore", "pipe", "pipe"] }).trim();
}
function cleanup() { psql(`DELETE FROM alert_incident WHERE id IN ('${ids[0]}'::uuid,'${ids[1]}'::uuid,'${ids[2]}'::uuid);`); }

psql(`INSERT INTO alert_incident(id,public_id,tenant_id,rule_code,category,severity,status,fingerprint,title,summary,first_detected_at,last_detected_at,occurrence_count,acknowledged_at,mitigated_at,row_version)
  VALUES
  ('${ids[0]}'::uuid,'${publicIDs[0]}'::uuid,'10000000-0000-0000-0000-000000000001'::uuid,'VISUAL_ACK_${marker.toUpperCase()}','TECHNICAL','HIGH','OPEN','visual-ack-${marker}','${titles[0]}','验证页面内确认接手门禁',now()-interval '10 minutes',now(),2,NULL,NULL,4),
  ('${ids[1]}'::uuid,'${publicIDs[1]}'::uuid,'10000000-0000-0000-0000-000000000001'::uuid,'VISUAL_MIT_${marker.toUpperCase()}','BUSINESS','MEDIUM','ACKNOWLEDGED','visual-mit-${marker}','${titles[1]}','验证页面内记录缓解门禁',now()-interval '20 minutes',now(),3,now()-interval '15 minutes',NULL,5),
  ('${ids[2]}'::uuid,'${publicIDs[2]}'::uuid,'10000000-0000-0000-0000-000000000001'::uuid,'VISUAL_RES_${marker.toUpperCase()}','SECURITY','CRITICAL','MITIGATED','visual-res-${marker}','${titles[2]}','验证页面内关闭告警门禁',now()-interval '30 minutes',now(),4,now()-interval '25 minutes',now()-interval '5 minutes',6);`);

const browser = await chromium.launch({ headless: true, executablePath: process.env.CHROME_PATH ?? "C:/Program Files/Google/Chrome/Application/chrome.exe" });
const page = await browser.newPage({ viewport: { width: 1440, height: 1100 }, deviceScaleFactor: 1 });
const consoleErrors = [];
const failedRequests = [];
const transitionMutations = [];
page.on("console", (message) => { if (message.type() === "error") consoleErrors.push(message.text()); });
page.on("request", (request) => {
  if (request.method() === "POST" && /\/api\/v1\/ops\/alerts\/[^/]+\/(acknowledge|mitigate|resolve)$/.test(request.url())) transitionMutations.push(`${request.method()} ${request.url()}`);
});
page.on("requestfailed", (request) => {
  const failure = request.failure()?.errorText ?? "failed";
  const requestURL = new URL(request.url());
  if (request.method() === "GET" && requestURL.pathname === "/api/v1/events" && failure.includes("ERR_ABORTED")) return;
  failedRequests.push(`${request.method()} ${request.url()} ${failure}`);
});

async function openAlert(title) {
  await page.locator(".alert-queue li").filter({ hasText: title }).getByRole("button").click();
  await page.locator(".alert-detail").getByRole("heading", { name: title }).waitFor();
}

try {
  await page.goto(`${webURL}/?workspace=alerts`, { waitUntil: "networkidle" });
  await page.getByRole("button", { name: "登录研发环境" }).click();
  await page.waitForURL(oidcURLPattern);
  await page.locator("#username").fill(process.env.VISUAL_USERNAME ?? "owner");
  await page.locator("#password").fill(process.env.VISUAL_PASSWORD ?? "LocalOnly123!");
  await page.locator("#kc-login").click();
  await page.waitForURL(webHostPattern, { timeout: 15000 });
  await page.getByRole("heading", { name: "告警监测与处置闭环" }).waitFor();

  await openAlert(titles[0]);
  await page.getByRole("button", { name: "确认并接手" }).click();
  let form = page.getByRole("form", { name: "告警处置动作" });
  let text = await form.textContent();
  const acknowledgeTargetBound = text?.includes(publicIDs[0]) === true && text?.includes("行版本 v4") === true && text?.includes("当前待确认") === true;
  let submit = form.getByRole("button", { name: "确认接手" });
  const acknowledgeEmptyDisabled = await submit.isDisabled();
  await form.getByLabel("接手说明").fill("已按运行手册确认影响范围并接手后续处置");
  const acknowledgeEnabled = await submit.isEnabled();
  await form.getByRole("button", { name: "取消" }).click();

  await openAlert(titles[1]);
  await page.getByRole("button", { name: "记录缓解" }).click();
  form = page.getByRole("form", { name: "告警处置动作" });
  text = await form.textContent();
  const mitigateTargetBound = text?.includes(publicIDs[1]) === true && text?.includes("行版本 v5") === true && text?.includes("当前已确认") === true;
  submit = form.getByRole("button", { name: "确认记录缓解" });
  const mitigateEmptyDisabled = await submit.isDisabled();
  await form.getByLabel("缓解说明").fill("已执行隔离措施，影响范围收敛并进入持续观察");
  const mitigateEnabled = await submit.isEnabled();
  await form.getByRole("button", { name: "取消" }).click();

  await openAlert(titles[2]);
  await page.getByRole("button", { name: "验证并关闭" }).click();
  form = page.getByRole("form", { name: "告警处置动作" });
  text = await form.textContent();
  const resolveTargetBound = text?.includes(publicIDs[2]) === true && text?.includes("行版本 v6") === true && text?.includes("当前已缓解") === true;
  submit = form.getByRole("button", { name: "确认关闭告警" });
  const resolveEmptyDisabled = await submit.isDisabled();
  await form.getByLabel("关闭验证说明").fill("恢复指标持续正常，关联影响和遗留风险已完成复核");
  const resolveNeedsAcknowledgement = await submit.isDisabled();
  await form.getByLabel(/我确认缓解措施已经验证/).check();
  const resolveEnabled = await submit.isEnabled();
  await page.screenshot({ path: fileURLToPath(new URL("ops-alert-transition-form.png", outputDirectory)), fullPage: true });
  await form.getByRole("button", { name: "取消" }).click();
  const cancelClosed = await form.count() === 0;

  const overflow = await page.evaluate(() => [...document.querySelectorAll("body *")]
    .filter((element) => element instanceof HTMLElement && element.scrollWidth > element.clientWidth + 2 && getComputedStyle(element).overflowX === "visible")
    .slice(0, 20).map((element) => `${element.tagName}.${element.className}: ${element.clientWidth}/${element.scrollWidth}`));
  const result = { acknowledgeTargetBound, acknowledgeEmptyDisabled, acknowledgeEnabled, mitigateTargetBound, mitigateEmptyDisabled, mitigateEnabled, resolveTargetBound, resolveEmptyDisabled, resolveNeedsAcknowledgement, resolveEnabled, cancelClosed, transitionMutations, overflow, consoleErrors, failedRequests };
  console.log(JSON.stringify(result, null, 2));
  if (!acknowledgeTargetBound || !acknowledgeEmptyDisabled || !acknowledgeEnabled || !mitigateTargetBound || !mitigateEmptyDisabled || !mitigateEnabled || !resolveTargetBound || !resolveEmptyDisabled || !resolveNeedsAcknowledgement || !resolveEnabled || !cancelClosed || transitionMutations.length || overflow.length || consoleErrors.length || failedRequests.length) throw new Error("Ops alert transition visual smoke failed");
} finally {
  await browser.close();
  cleanup();
}