1import type { AdapterContext, AdapterLoginInfo, AdapterProcessResult } from "../types";
2 
3interface XLoginSnapshot {
4  currentUrl: string;
5  hasAccountMenu: boolean;
6  hasLoginInputs: boolean;
7  bodyText: string;
8}
9 
10export async function detectXLogin(context: AdapterContext): Promise<AdapterLoginInfo> {
11  const snapshot = await context.browser.evaluate<XLoginSnapshot>(`
12    (() => {
13      const bodyText = (document.body?.innerText ?? "").slice(0, 2500);
14      return {
15        currentUrl: window.location.href,
16        hasAccountMenu: Boolean(
17          document.querySelector(
18            '[data-testid="SideNav_AccountSwitcher_Button"], [data-testid="AppTabBar_Profile_Link"], [aria-label="Account menu"]'
19          )
20        ),
21        hasLoginInputs: Boolean(
22          document.querySelector(
23            'input[name="text"], input[name="password"], input[autocomplete="username"], input[autocomplete="current-password"]'
24          )
25        ),
26        bodyText,
27      };
28    })()
29  `).catch(async () => ({
30    currentUrl: await context.browser.getURL().catch(() => context.input.url.toString()),
31    hasAccountMenu: false,
32    hasLoginInputs: false,
33    bodyText: "",
34  }));
35 
36  if (
37    /\/i\/flow\/login|\/login/i.test(snapshot.currentUrl) ||
38    snapshot.hasLoginInputs ||
39    /sign in to x|join x today|登录 x|注册 x|登录到 x/i.test(snapshot.bodyText)
40  ) {
41    return {
42      provider: "x",
43      state: "logged_out",
44      required: true,
45      reason: "X login page detected",
46    };
47  }
48 
49  if (snapshot.hasAccountMenu) {
50    return {
51      provider: "x",
52      state: "logged_in",
53    };
54  }
55 
56  return {
57    provider: "x",
58    state: "unknown",
59  };
60}
61 
62export function buildNeedsLoginResult(login: AdapterLoginInfo): AdapterProcessResult {
63  return {
64    status: "needs_interaction",
65    login: {
66      ...login,
67      provider: "x",
68      state: login.state === "logged_in" ? "unknown" : login.state,
69      required: true,
70    },
71    interaction: {
72      type: "wait_for_interaction",
73      kind: "login",
74      provider: "x",
75      reason: login.reason,
76      prompt: "Please sign in to X in the opened Chrome window. Extraction will continue automatically once login is detected.",
77      requiresVisibleBrowser: true,
78    },
79  };
80}
81