import { chromium } from "@playwright/test";
import { mkdir, writeFile } from "node:fs/promises";
import { resolve } from "node:path";

const origin = process.env.SMOKE_URL || "http://localhost:25131";
const output = process.env.UI_OUTPUT_DIR || "/tmp/hkdj-figma/implementation";
const allowEmptyContent = process.env.UI_ALLOW_EMPTY_CONTENT === "1";
await mkdir(output, { recursive: true });
const browser = await chromium.launch({
  executablePath:
    process.env.CHROME_PATH ||
    "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
  headless: true,
});
const results: Record<string, unknown>[] = [];
const failures: string[] = [];
const paths = [
  "/",
  "/dramas/",
  "/series/",
  "/collections/",
  "/collection/dushi/",
  "/rankings/",
  "/tags/chitie/",
  "/latest/",
  "/featured/",
  "/search/",
  "/search/测试/",
  "/discover/search/",
  "/about/",
  "/help/",
  "/terms/",
  "/privacy/",
  "/feedback/",
  "/2257/",
  "/dmca/",
  "/navigation/",
  "/__ui_missing_page__/",
];
// The account system was removed; every former account page permanently returns home.
const removedAccountPaths = [
  "/account/",
  "/account/history/",
  "/account/favorites/",
  "/account/purchases/",
  "/account/settings/",
  "/account/recharge/",
  "/account/login/",
  "/account/register/",
  "/login/",
  "/profile/",
];
try {
  for (const [device, viewport] of [
    ["desktop", { width: 1440, height: 1000 }],
    ["mobile", { width: 375, height: 812 }],
  ] as const) {
    const context = await browser.newContext({
      viewport,
      isMobile: device === "mobile",
      deviceScaleFactor: 1,
    });
    await context.addInitScript(() => localStorage.setItem("hg_age_ok", "1"));
    await context.route("**/*", async (route) => {
      const request = route.request();
      if (
        new URL(request.url()).origin !== origin &&
        (request.method() !== "GET" || request.resourceType() === "script")
      )
        return route.abort();
      if (
        request.url().includes("/api/statistics/") ||
        request.url().includes("/api/report/")
      )
        return route.fulfill({ json: { code: 200, data: {} } });
      return route.continue();
    });
    for (const path of removedAccountPaths) {
      const response = await context.request.get(origin + path, { maxRedirects: 0 });
      if (response.status() !== 301 || response.headers().location !== "/")
        failures.push(
          `${device} ${path}: expected 301 to /, got ${response.status()} ${response.headers().location || ""}`,
        );
    }
    const page = await context.newPage();
    let play = "";
    for (const path of paths) {
      const errors: string[] = [];
      const missing: string[] = [];
      const onError = (error: Error): void => {
        errors.push(error.message);
      };
      const onResponse = (
        response: import("@playwright/test").Response,
      ): void => {
        if (
          response.status() >= 400 &&
          response.url().startsWith(origin + "/static/")
        )
          missing.push(new URL(response.url()).pathname);
      };
      page.on("pageerror", onError);
      page.on("response", onResponse);
      try {
        const response = await page.goto(origin + path, {
          waitUntil: "domcontentloaded",
          timeout: 40000,
        });
        await page.waitForTimeout(
          path === "/" || path === "/dramas/" ? 1800 : 250,
        );
        for (let index = 0; index < 12; index++) {
          const close = page.locator(
            "[data-dialog-ad].hk-is-open [data-dialog-ad-item]:not([hidden]) [data-dialog-ad-close]",
          );
          if (!(await close.count()) || !(await close.first().isVisible()))
            break;
          await close.first().click({ force: true });
        }
        if (path === "/") {
          const playLink = page.locator('a[href^="/drama/"]').first();
          play = (await playLink.count())
            ? (await playLink.getAttribute("href")) || ""
            : "";
          if (!play && !allowEmptyContent)
            failures.push(
              `${device} ${path}: no playable content; populate the upstream or use UI_ALLOW_EMPTY_CONTENT=1 for empty-state checks`,
            );
        }
        const layout = await page.evaluate(() => {
          const boxes = Object.fromEntries(
            Object.entries({
              header: ".site-header",
              logo: ".site-header .brand__logo",
              footer: ".site-footer",
              hero: ".hero",
              listHead: ".list-hero",
              listFilters: ".list-filters",
              firstCard: ".grid--list > :first-child",
              tabbar: ".mobile-tabbar",
            }).map(([key, selector]) => {
              const element = document.querySelector(selector);
              const rect = element?.getBoundingClientRect();
              return [
                key,
                rect
                  ? {
                      x: rect.x,
                      y: rect.y,
                      width: rect.width,
                      height: rect.height,
                    }
                  : null,
              ];
            }),
          );
          return {
            width: innerWidth,
            scrollWidth: document.documentElement.scrollWidth,
            title: document.title,
            noindex: /(?:^|[,\s])noindex(?:$|[,\s])/.test(
              document.querySelector<HTMLMetaElement>('meta[name="robots"]')
                ?.content || "",
            ),
            background: getComputedStyle(document.body).backgroundColor,
            accent: getComputedStyle(document.documentElement)
              .getPropertyValue("--accent")
              .trim(),
            oldBrand: document.body.innerText.includes("黄果短剧"),
            accountEntries: document.querySelectorAll(
              "[data-login-open], [data-register-open], .hk-user-menu, a[href^='/account']",
            ).length,
            ...boxes,
          };
        });
        const unavailableEntity =
          allowEmptyContent &&
          response?.status() === 404 &&
          (path.startsWith("/collection/") || path.startsWith("/tags/"));
        const expected =
          path === "/__ui_missing_page__/" || unavailableEntity ? 404 : 200;
        if (response?.status() !== expected)
          failures.push(
            `${device} ${path}: status ${response?.status()}, expected ${expected}`,
          );
        if (unavailableEntity && !layout.noindex)
          failures.push(
            `${device} ${path}: missing entity must remain noindex`,
          );
        if (layout.scrollWidth > layout.width + 1)
          failures.push(
            `${device} ${path}: horizontal overflow ${layout.scrollWidth}`,
          );
        if (layout.accountEntries)
          failures.push(`${device} ${path}: removed account entries remain`);
        if (layout.oldBrand)
          failures.push(`${device} ${path}: former brand remains visible`);
        if (errors.length || missing.length)
          failures.push(
            `${device} ${path}: ${JSON.stringify({ errors, missing })}`,
          );
        results.push({
          device,
          path,
          status: response?.status(),
          unavailableEntity,
          ...layout,
          errors,
          missing,
        });
        await page.screenshot({
          path: resolve(
            output,
            `${device}-${path === "/" ? "home" : path.split("/").filter(Boolean).join("-")}.png`,
          ),
          fullPage: true,
          animations: "disabled",
        });
      } catch (error) {
        failures.push(`${device} ${path}: ${String(error)}`);
      } finally {
        page.off("pageerror", onError);
        page.off("response", onResponse);
      }
    }
    if (play) {
      await page.goto(origin + play, { waitUntil: "domcontentloaded" });
      await page.waitForTimeout(300);
      results.push({
        device,
        path: play,
        player: await page.locator("[data-play-player]").count(),
        xgplayer: await page.locator(".xgplayer").count(),
        video: await page.locator("video").count(),
      });
      await page.screenshot({
        path: resolve(output, device + "-play.png"),
        fullPage: true,
        animations: "disabled",
      });
    }
    await context.close();
  }
  await writeFile(
    resolve(output, "results.json"),
    JSON.stringify({ results, failures }, null, 2),
  );
  console.log(
    JSON.stringify({ pages: results.length, failures, output }, null, 2),
  );
  if (failures.length) process.exitCode = 1;
} finally {
  await browser.close();
}