#!/usr/bin/env node
"use strict";

const { loginViaAuthForm } = require('./lib/browser-auth-login');
const assert = require("node:assert");
const fs = require("node:fs");
const os = require("node:os");
const path = require("node:path");
const { chromium } = require("playwright");

const BASE = process.env.MNOTE_UI_BASE_URL || "http://127.0.0.1:3000";
const TIMEOUT = Number.parseInt(process.env.UI_TIMEOUT_MS || "120000", 10);
const STAMP = Date.now();
const OUT = process.env.MNOTE_PI_WARMUP_BINDING_OUT || path.join(os.tmpdir(), `mnote-pi-warmup-binding-${STAMP}`);
const ROOT_PATH = process.env.MNOTE_PI_WARMUP_BINDING_ROOT_PATH || "/mnt/Data1T/Mnote_data/users/mnote-e2e/workspaces/my-space";
const ROOT_URI = process.env.MNOTE_PI_WARMUP_BINDING_ROOT_URI || `file://${ROOT_PATH}`;
const WORKSPACE_ID = process.env.MNOTE_PI_WARMUP_BINDING_WORKSPACE_ID || "local-ws:mnote-e2e:my-space";
const PAGE_PATH = `pi-warmup-binding-${STAMP}.md`;
const CHROMIUM_EXECUTABLE = process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE
  || (fs.existsSync("/usr/bin/chromium-browser") ? "/usr/bin/chromium-browser" : "")
  || (fs.existsSync("/usr/bin/chromium") ? "/usr/bin/chromium" : "")
  || (fs.existsSync("/usr/bin/google-chrome") ? "/usr/bin/google-chrome" : "");

async function requestJson(page, url, options = {}) {
  const response = await page.request.fetch(`${BASE}${url}`, {
    ...options,
    headers: {
      accept: "application/json",
      "content-type": "application/json",
      ...(options.headers || {}),
    },
    timeout: options.timeout || TIMEOUT,
  });
  const text = await response.text();
  let body = {};
  try {
    body = text ? JSON.parse(text) : {};
  } catch {
    body = { raw: text };
  }
  return { response, body };
}

async function quickLogin(page) {
  // 7-76 P0: 标准表单登录（无测试快速登录按钮）
  const base =
    (typeof BASE_URL !== "undefined" && BASE_URL) ||
    (typeof baseUrl !== "undefined" && baseUrl) ||
    process.env.MNOTE_UI_BASE_URL ||
    "http://127.0.0.1:3000";
  const timeout =
    (typeof UI_TIMEOUT_MS !== "undefined" && UI_TIMEOUT_MS) ||
    (typeof TIMEOUT !== "undefined" && TIMEOUT) ||
    30_000;
  if (!String(page.url() || "").includes("/auth")) {
    await page.goto(String(base).replace(/\/+$/, "") + "/auth", {
      waitUntil: "commit",
      timeout,
    });
  }
  await loginViaAuthForm(page, {
    baseUrl: base,
    timeoutMs: timeout,
    gotoAuth: false,
  });
  await page
    .waitForURL((url) => !String(url).includes("/auth"), { timeout })
    .catch(() => {});
}

async function cleanupPreviousSmokeSession(page) {
  const status = await requestJson(page, "/api/page-ai/pi/status");
  assert(status.response.ok(), `status before cleanup should be OK, got ${status.response.status()}`);
  const session = status.body.session || {};
  const sessionId = status.body.sessionId || session.sessionId;
  const pagePath = String(session.pagePath || "");
  if (!sessionId || !pagePath.startsWith("pi-warmup-binding-")) return;
  await requestJson(page, "/api/page-ai/pi/abort", {
    method: "POST",
    data: { sessionId },
  }).catch(() => null);
  await requestJson(page, `/api/page-ai/pi/sessions/${encodeURIComponent(sessionId)}`, {
    method: "DELETE",
  }).catch(() => null);
}

async function main() {
  fs.mkdirSync(OUT, { recursive: true });
  fs.mkdirSync(ROOT_PATH, { recursive: true });
  fs.writeFileSync(path.join(ROOT_PATH, PAGE_PATH), "# Pi warmup binding\n\nWarmup binding smoke.\n", "utf8");

  const browser = await chromium.launch({
    headless: process.env.MNOTE_PI_WARMUP_BINDING_HEADED === "1" ? false : true,
    executablePath: CHROMIUM_EXECUTABLE || undefined,
  });
  const context = await browser.newContext({ viewport: { width: 1440, height: 960 } });
  await context.addInitScript((payload) => {
    window.__MNOTE_TEST_PAGE_CONTEXT__ = payload;
  }, {
    rootUri: ROOT_URI,
    workspaceId: WORKSPACE_ID,
    pagePath: PAGE_PATH,
    pageTitle: "Pi warmup binding",
  });
  const page = await context.newPage();
  const requests = [];
  const result = {
    base: BASE,
    out: OUT,
    rootUri: ROOT_URI,
    workspaceId: WORKSPACE_ID,
    pagePath: PAGE_PATH,
    statusBefore: null,
    statusAfter: null,
    startRequest: null,
    startBeforeSend: false,
    coldStartToastVisible: false,
  };

  try {
    await quickLogin(page);
    await cleanupPreviousSmokeSession(page);
    const statusBefore = await page.request.get(`${BASE}/api/page-ai/pi/status`);
    assert(statusBefore.ok(), `status before should be OK, got ${statusBefore.status()}`);
    result.statusBefore = await statusBefore.json();
    assert.equal(result.statusBefore.warmupRunning, true, "dev:hot warmup runtime should be running before UI send");
    assert.equal(result.statusBefore.sessionId || null, null, "warmup session must not be exposed as current page session");

    await page.route("**/api/page-ai/pi/send", async (route) => {
      const request = route.request();
      requests.push({ url: request.url(), body: request.postDataJSON() });
      await route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({
          ok: true,
          schema: "mnote.page_ai_pi.send.v1",
          sessionId: request.postDataJSON().sessionId,
          accepted: true,
          intercepted: true,
        }),
      });
    });

    const documentId = `local-md:${PAGE_PATH.replaceAll("/", "~2F")}`;
    await page.goto(
      `${BASE}/documents/${encodeURIComponent(documentId)}?sourceKind=local_folder&rootUri=${encodeURIComponent(ROOT_URI)}&workspaceId=${encodeURIComponent(WORKSPACE_ID)}&path=${encodeURIComponent(PAGE_PATH)}`,
      { waitUntil: "commit", timeout: TIMEOUT },
    );
    await page.locator("[data-page-ai-pi-lab-launcher]").waitFor({ state: "visible", timeout: TIMEOUT });
    const startResponsePromise = page.waitForResponse(
      (response) => response.url().includes("/api/page-ai/pi/start") && response.request().method() === "POST",
      { timeout: TIMEOUT },
    );
    await page.locator("[data-page-ai-pi-lab-launcher]").click();
    await page.locator('[data-page-ai-pi-lab="drawer"]').waitFor({ state: "visible", timeout: TIMEOUT });
    const startResponse = await startResponsePromise;
    result.startBeforeSend = true;
    assert(startResponse.ok(), `start response should be OK, got ${startResponse.status()}`);
    const startBody = await startResponse.json();
    result.startRequest = startResponse.request().postDataJSON();
    assert.equal(startBody.ok, true, "start body should be ok");
    assert(startBody.session?.sessionId, "start should return a current page session");
    assert(!String(startBody.session.sessionId).startsWith("pi_lab_dev_warm_"), "current page session should not reuse warmup prompt session id");
    assert.equal(startBody.session.pagePath, PAGE_PATH, "current page session should bind current page path");

    await page.waitForFunction(
      () => document.querySelector("[data-page-ai-pi-lab-status-text]")?.textContent?.includes("ready")
        || document.querySelector("[data-page-ai-pi-lab-status-text]")?.textContent?.includes("streaming"),
      null,
      { timeout: TIMEOUT },
    );
    await page.locator("[data-page-ai-pi-lab-input]").fill("warmup binding smoke");
    await page.locator("[data-page-ai-pi-lab-btn-send]").click();
    result.coldStartToastVisible = await page.locator("[data-page-ai-pi-lab-toast]", { hasText: "正在绑定当前页 Pi 会话，完成后自动发送" }).isVisible({ timeout: 500 }).catch(() => false);
    assert.equal(result.coldStartToastVisible, false, "send should not show current-page binding toast after drawer-open prestart");
    const sendWaitStartedAt = Date.now();
    while (requests.length === 0 && Date.now() - sendWaitStartedAt < 5000) {
      await page.waitForTimeout(100);
    }
    assert.equal(requests.length, 1, "send should be intercepted once after runtime binding");
    assert.equal(requests[0].body.sessionId, startBody.session.sessionId, "send should use bound current page session");

    const statusAfter = await page.request.get(`${BASE}/api/page-ai/pi/status`);
    assert(statusAfter.ok(), `status after should be OK, got ${statusAfter.status()}`);
    result.statusAfter = await statusAfter.json();
    assert.equal(result.statusAfter.warmupRunning, true, "warmup diagnostics should remain visible after current session starts");
    assert.equal(result.statusAfter.sessionId, startBody.session.sessionId, "status should now expose the current page session");

    fs.writeFileSync(path.join(OUT, "result.json"), JSON.stringify(result, null, 2), "utf8");
    console.log(`✅ Pi warmup binding browser smoke passed: ${path.join(OUT, "result.json")}`);
  } finally {
    await browser.close();
  }
}

main().catch((error) => {
  console.error(error);
  process.exit(1);
});