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

const { loginViaAuthForm, withAdminBrowserSession } = 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 STAMP = Date.now();
const OUT = process.env.MNOTE_PI_PLAN_MODE_OUT || path.join(os.tmpdir(), `mnote-pi-plan-mode-${STAMP}`);
const TIMEOUT = Number.parseInt(process.env.UI_TIMEOUT_MS || "240000", 10);
const ACTOR_ID = process.env.MNOTE_E2E_ACTOR_ID || "mnote-e2e";
const WORKSPACE_ID = process.env.MNOTE_PI_PLAN_MODE_WORKSPACE_ID || "local-ws:mnote-e2e:my-space";
const ROOT_PATH = process.env.MNOTE_PI_PLAN_MODE_ROOT_PATH || "/mnt/Data1T/Mnote_data/users/mnote-e2e/workspaces/my-space";
const ROOT_URI = process.env.MNOTE_PI_PLAN_MODE_ROOT_URI || `file://${ROOT_PATH}`;
const MODEL_PROVIDER = process.env.MNOTE_PI_PLAN_MODE_MODEL_PROVIDER || "omniroute";
const MODEL_ID = process.env.MNOTE_PI_PLAN_MODE_MODEL_ID || "gpt-5.4-mini";
const PAGE_PATH = `pi-plan-mode-${STAMP}.md`;
const TARGET_PATH = `pi-plan-mode-target-${STAMP}.md`;
const TARGET_ABS = path.join(ROOT_PATH, TARGET_PATH);
const TARGET_ORIGINAL = `PLAN_MODE_TARGET_ORIGINAL_${STAMP}\n`;
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" : "");

function mkdirp(dir) {
  fs.mkdirSync(dir, { recursive: true });
}

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 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 };
  }
  if (options.allowStatus) return { response, body, text };
  assert(response.ok(), `${options.method || "GET"} ${url} failed: ${response.status()} ${text.slice(0, 800)}`);
  return body;
}

function piExtensionConfig(name, description, source, toolNames, riskLevel, requiredScopes = []) {
  return {
    name,
    description,
    source,
    toolNames,
    riskLevel,
    requiredScopes,
    enabled: true,
  };
}

function messageTextsFromSessionJsonl(raw) {
  return raw
    .split(/\n+/)
    .filter(Boolean)
    .flatMap((line) => {
      try {
        const event = JSON.parse(line);
        const content = event && event.message && Array.isArray(event.message.content)
          ? event.message.content
          : [];
        return content
          .filter((item) => item && item.type === "text" && typeof item.text === "string")
          .map((item) => item.text);
      } catch {
        return [];
      }
    });
}

function policyForPlanMode() {
  return {
    defaultModel: `${MODEL_PROVIDER}/${MODEL_ID}`,
    allowedModels: [`${MODEL_PROVIDER}/${MODEL_ID}`],
    tools: {
      "mnote.current_page.read": "allow",
      "mnote.selection.read": "allow",
      "mnote.allowed_roots.describe": "allow",
      "mnote.local_file.read": "allow",
      "mnote.local_file.patch": "ask",
      "mnote.knowledge_rag.status": "allow",
      "mnote.knowledge_rag.query": "allow",
      "mnote.knowledge_rag.section_context": "allow",
      "mnote.knowledge_rag.open_reference": "allow",
      "mnote.reference.open": "allow",
      "mnote.tool_receipt.write": "allow",
      "mnote.codex_rescue.request": "ask",
    },
    skills: {},
    mcpServers: {},
    piExtensions: {
      "pi-rust-official-question": piExtensionConfig(
        "Pi Rust Official Question",
        "Pi Rust 官方索引 question 扩展的本地镜像。",
        "pi-rust-official:question",
        ["question"],
        "low",
        ["ui:ask"],
      ),
      "pi-rust-official-questionnaire": piExtensionConfig(
        "Pi Rust Official Questionnaire",
        "Pi Rust 官方索引 questionnaire 扩展的本地镜像。",
        "pi-rust-official:questionnaire",
        ["questionnaire"],
        "low",
        ["ui:ask"],
      ),
    },
  };
}

async function seedWorkspace(browser, page) {
  mkdirp(ROOT_PATH);
  fs.writeFileSync(path.join(ROOT_PATH, PAGE_PATH), "# Pi plan mode browser smoke\n", "utf8");
  fs.writeFileSync(TARGET_ABS, TARGET_ORIGINAL, "utf8");
  // 方案 A：admin 能力仅 mnote-admin
  await withAdminBrowserSession(browser, async (adminPage) => {
    const grantResponse = await adminPage.request.fetch(`${BASE}/api/admin/access-policy/grants`, {
      method: "POST",
      headers: {
        accept: "application/json",
        "content-type": "application/json",
      },
      data: {
        userId: ACTOR_ID,
        rootUri: ROOT_URI,
        rootPath: ROOT_PATH,
        permission: "write",
        recursive: true,
        capabilities: ["ai"],
      },
      timeout: TIMEOUT,
    });
    const grantText = await grantResponse.text();
    let grantBody = {};
    try {
      grantBody = grantText ? JSON.parse(grantText) : {};
    } catch {
      grantBody = { raw: grantText };
    }
    if (!grantResponse.ok() && grantBody.code !== "local_access_policy_grant_duplicate") {
      throw new Error(`POST /api/admin/access-policy/grants failed: ${grantResponse.status()} ${grantText.slice(0, 800)}`);
    }
    await requestJson(adminPage, "/api/ai-admin/settings", {
      method: "PUT",
      data: {
        ...policyForPlanMode(),
        quota: { daily: 200 },
      },
    });
  }, { baseUrl: BASE, timeoutMs: TIMEOUT });
  await requestJson(page, `/api/ai-settings/effective?workspaceId=${encodeURIComponent(WORKSPACE_ID)}`);
}

async function abortExistingSession(page) {
  const status = await requestJson(page, "/api/page-ai/pi/status").catch(() => null);
  const sessionId = status && status.session && status.session.sessionId;
  if (!sessionId) return null;
  await requestJson(page, "/api/page-ai/pi/abort", { method: "POST", data: { sessionId } }).catch(() => null);
  return sessionId;
}

async function startPlanSession(page) {
  const sessionId = `pi-plan-mode-${STAMP}`;
  const start = await requestJson(page, "/api/page-ai/pi/start", {
    method: "POST",
    data: {
      sessionId,
      rootUri: ROOT_URI,
      workspaceId: WORKSPACE_ID,
      pagePath: PAGE_PATH,
      pageTitle: "Pi plan mode browser smoke",
      modelProvider: MODEL_PROVIDER,
      modelId: MODEL_ID,
      thinkingLevel: "off",
      permissionMode: "plan",
    },
  });
  assert.equal(start.ok, true, "Pi start ok should be true");
  assert.equal(start.permissionMode, "plan", "start response should expose plan mode");
  assert.equal(start.session.runtimePolicySnapshot.permissionMode, "plan", "runtime policy should persist plan mode");
  return start.session;
}

function assertPlanPermissionConfig(session, result) {
  const configPath = path.join(session.piSessionDir, "config", "extensions", "pi-permission-system", "config.json");
  result.permissionConfigPath = configPath;
  result.checks.permissionSystemConfigAbsent = !fs.existsSync(configPath);
  result.checks.planRuntimePolicyMode = session.runtimePolicySnapshot.permissionMode;
  result.checks.planQuestionSource = (session.runtimePolicySnapshot.enabledPiExtensionSources || []).includes("pi-rust-official:question");
  result.checks.planQuestionnaireSource = (session.runtimePolicySnapshot.enabledPiExtensionSources || []).includes("pi-rust-official:questionnaire");
  result.checks.noLegacyNpmAskUser = !(session.runtimePolicySnapshot.enabledPiExtensionSources || []).includes("npm:pi-ask-user");
  result.checks.noExternalPermissionSystem = !(session.runtimePolicySnapshot.enabledPiExtensionSources || []).includes("npm:@gotgenes/pi-permission-system");
  assert.equal(result.checks.permissionSystemConfigAbsent, true, "Pi Rust plan smoke should not generate legacy pi-permission-system config");
  assert.equal(result.checks.planRuntimePolicyMode, "plan", "plan mode should persist in runtime policy");
  assert.equal(result.checks.planQuestionSource, true, "plan smoke should use Pi Rust official question extension");
  assert.equal(result.checks.planQuestionnaireSource, true, "plan smoke should use Pi Rust official questionnaire extension");
  assert.equal(result.checks.noLegacyNpmAskUser, true, "plan smoke should not use unavailable npm:pi-ask-user");
  assert.equal(result.checks.noExternalPermissionSystem, true, "plan smoke should not load incompatible pi-permission-system");
}

async function readLatestSessionJsonl(sessionDir, timeoutMs = 120000) {
  const startedAt = Date.now();
  while (Date.now() - startedAt < timeoutMs) {
    const files = fs.readdirSync(sessionDir)
      .filter((name) => name.endsWith(".jsonl"))
      .map((name) => path.join(sessionDir, name))
      .sort();
    const sessionFile = files[files.length - 1];
    if (sessionFile) {
      const raw = fs.readFileSync(sessionFile, "utf8");
      if (raw.includes("当前是 MNote Pi 计划模式")) {
        return { sessionFile, raw };
      }
    }
    await new Promise((resolve) => setTimeout(resolve, 500));
  }
  const files = fs.readdirSync(sessionDir)
    .filter((name) => name.endsWith(".jsonl"))
    .map((name) => path.join(sessionDir, name))
    .sort();
  const sessionFile = files[files.length - 1];
  assert(sessionFile, `session jsonl not found in ${sessionDir}`);
  return { sessionFile, raw: fs.readFileSync(sessionFile, "utf8") };
}

async function openPiUi(page) {
  await page.goto(`${BASE}/page-ai/pi`, { waitUntil: "commit", timeout: TIMEOUT });
  await page.locator('[data-page-ai-pi-lab="drawer"]').waitFor({ state: "visible", timeout: TIMEOUT });
  await page.waitForFunction(() => /计划模式/.test(document.querySelector("[data-page-ai-pi-lab-permission-label]")?.textContent || ""), null, { timeout: TIMEOUT });
}

async function main() {
  mkdirp(OUT);
  const browser = await chromium.launch({
    headless: process.env.MNOTE_PI_PLAN_MODE_HEADED === "1" ? false : true,
    executablePath: CHROMIUM_EXECUTABLE || undefined,
  });
  const context = await browser.newContext({ viewport: { width: 1440, height: 980 } });
  const page = await context.newPage();
  const consoleMessages = [];
  page.on("console", (message) => {
    if (["error", "warning"].includes(message.type())) consoleMessages.push(`${message.type()}: ${message.text()}`);
  });
  page.on("pageerror", (error) => consoleMessages.push(`pageerror: ${error.message}`));

  const result = {
    base: BASE,
    outputDir: OUT,
    rootUri: ROOT_URI,
    targetPath: TARGET_PATH,
    targetAbs: TARGET_ABS,
    screenshots: {},
    checks: {},
    consoleMessages,
  };

  try {
    await quickLogin(page);
    await seedWorkspace(browser, page);
    await abortExistingSession(page);
    const session = await startPlanSession(page);
    result.session = {
      sessionId: session.sessionId,
      runtimeMode: session.runtimeMode,
      runtimePid: session.runtimePid,
      piSessionDir: session.piSessionDir,
      runtimePolicySnapshot: session.runtimePolicySnapshot,
    };
    assertPlanPermissionConfig(session, result);

    await openPiUi(page);
    await page.locator("[data-page-ai-pi-lab-permission]").click();
    await page.locator("[data-page-ai-pi-lab-permission-menu]").waitFor({ state: "visible", timeout: TIMEOUT });
    result.checks.permissionModes = await page.locator("[data-page-ai-pi-lab-permission-mode]").evaluateAll((nodes) => nodes.map((node) => ({
      mode: node.getAttribute("data-page-ai-pi-lab-permission-mode"),
      text: node.textContent.trim(),
      active: node.getAttribute("data-active"),
    })));
    assert.deepEqual(result.checks.permissionModes.map((item) => item.mode), ["confirm", "auto_edit", "plan", "full_access"]);
    assert.equal(result.checks.permissionModes.find((item) => item.mode === "plan").active, "true", "plan menu item should be active");
    await page.screenshot({ path: path.join(OUT, "01-plan-mode-menu-active.png"), fullPage: false });
    result.screenshots.planModeMenu = path.join(OUT, "01-plan-mode-menu-active.png");
    await page.keyboard.press("Escape").catch(() => null);

    const patchAttempt = await requestJson(page, "/api/page-ai/pi/tool-call", {
      method: "POST",
      allowStatus: true,
      data: {
        sessionId: session.sessionId,
        toolName: "mnote.local_file.patch",
        params: {
          rootUri: ROOT_URI,
          path: TARGET_PATH,
          operations: [{ op: "replace", content: "PLAN_MODE_SHOULD_NOT_WRITE\n" }],
        },
      },
    });
    result.checks.planPatchHttpStatus = patchAttempt.response.status();
    result.checks.planPatchBody = patchAttempt.body;
    assert.equal(patchAttempt.response.ok(), false, "plan mode should reject local_file.patch before approval");
    assert.equal(patchAttempt.body.code, "page_ai_pi_lab_tool_denied_by_permission_mode", "plan mode should deny patch tool by policy");

    const prompt = [
      "这是计划模式浏览器 smoke。",
      `请不要真正修改文件，只分析如果要修改 ${TARGET_PATH} 应该怎么做。`,
      "如果当前是计划模式，请说明需要切换到自动编辑或完全访问后才能执行写入。",
    ].join("\n");
    const sendRequestPromise = page.waitForRequest(
      (request) => request.url().includes("/api/page-ai/pi/send") && request.method() === "POST",
      { timeout: TIMEOUT },
    );
    const sendResponsePromise = page.waitForResponse(
      (response) => response.url().includes("/api/page-ai/pi/send") && response.request().method() === "POST",
      { timeout: TIMEOUT },
    );
    await page.locator("[data-page-ai-pi-lab-input]").fill(prompt);
    await page.locator("[data-page-ai-pi-lab-btn-send]").click();
    const sendBody = (await sendRequestPromise).postDataJSON();
    const sendResponse = await sendResponsePromise;
    const sendPayload = await sendResponse.json();
    result.checks.planSendOriginalMessage = sendBody.message;
    result.checks.planSendPermissionMode = sendPayload.permissionMode;
    result.checks.planModePromptApplied = sendPayload.planModePromptApplied;
    assert.equal(sendBody.message, prompt, "UI should send the user's original text");
    assert.equal(sendPayload.permissionMode, "plan", "send response should remain in plan mode");
    assert.equal(sendPayload.planModePromptApplied, true, "backend should apply plan-mode readonly prompt wrapper");

    const sessionJsonl = await readLatestSessionJsonl(session.piSessionDir);
    result.session.sessionFile = sessionJsonl.sessionFile;
    const sessionTexts = messageTextsFromSessionJsonl(sessionJsonl.raw);
    result.checks.rpcCommandContainsPlanWrapper = sessionTexts.some((text) => text.includes("当前是 MNote Pi 计划模式"));
    result.checks.rpcCommandPreservesOriginalPrompt = sessionTexts.some((text) => text.includes(prompt));
    assert.equal(result.checks.rpcCommandContainsPlanWrapper, true, "RPC command should contain the readonly plan-mode wrapper");
    assert.equal(result.checks.rpcCommandPreservesOriginalPrompt, true, "RPC command should include the user's original prompt inside the plan-mode wrapper");

    await page.waitForTimeout(2000);
    result.checks.targetContentAfterPlan = fs.readFileSync(TARGET_ABS, "utf8");
    result.checks.noPermissionRequiredPrompt = await page.locator("text=Permission Required").count() === 0;
    assert.equal(result.checks.targetContentAfterPlan, TARGET_ORIGINAL, "plan mode should not mutate the target file");
    assert.equal(result.checks.noPermissionRequiredPrompt, true, "plan mode denial should not show an ask prompt");
    await page.screenshot({ path: path.join(OUT, "02-plan-mode-send-applied.png"), fullPage: false });
    result.screenshots.planModeSend = path.join(OUT, "02-plan-mode-send-applied.png");

    await requestJson(page, "/api/page-ai/pi/abort", { method: "POST", data: { sessionId: session.sessionId } }).catch(() => null);
    assert.equal(consoleMessages.length, 0, `console errors: ${consoleMessages.join("\n")}`);
    result.ok = true;
  } catch (error) {
    result.ok = false;
    result.error = error && error.stack ? error.stack : String(error);
    try {
      await page.screenshot({ path: path.join(OUT, "99-failure.png"), fullPage: true });
      result.screenshots.failure = path.join(OUT, "99-failure.png");
    } catch {}
    process.exitCode = 1;
  } finally {
    fs.writeFileSync(path.join(OUT, "result.json"), JSON.stringify(result, null, 2), "utf8");
    await browser.close();
    console.log(JSON.stringify({ ok: result.ok, outputDir: OUT, result: path.join(OUT, "result.json") }, null, 2));
  }
}

main();