#!/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_URL = (process.env.MNOTE_WEB_SMOKE_BASE_URL || "http://127.0.0.1:3000").replace(/\/+$/, "");
const UI_TIMEOUT_MS = Number(process.env.MNOTE_SMOKE_UI_TIMEOUT_MS || 30_000);
const CHROMIUM_EXECUTABLE_PATH = process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH
  || ["/usr/bin/google-chrome-stable", "/usr/bin/google-chrome", "/snap/bin/chromium"]
    .find((candidate) => fs.existsSync(candidate));

function fileUrl(localPath) {
  return `file://${localPath}`;
}

function localMdDocumentId(relativePath) {
  return `local-md:${relativePath.replaceAll("/", "~2F")}`;
}

function documentUrl(root, relativePath, secondaryRelativePath = "") {
  const url = new URL(`${BASE_URL}/documents/${encodeURIComponent(localMdDocumentId(relativePath))}`);
  url.searchParams.set("sourceKind", "local_folder");
  url.searchParams.set("rootUri", fileUrl(root));
  url.searchParams.set("treeView", "filetree");
  if (secondaryRelativePath) {
    url.searchParams.set("secondaryDocumentId", localMdDocumentId(secondaryRelativePath));
    url.searchParams.set("secondarySourceKind", "local_folder");
    url.searchParams.set("secondaryRootUri", fileUrl(root));
  }
  return url.toString();
}

function writeWorkspaceManifest(root, ownerId) {
  const metadataDir = path.join(root, ".mnote");
  fs.mkdirSync(metadataDir, { recursive: true });
  fs.writeFileSync(
    path.join(metadataDir, "workspace.json"),
    `${JSON.stringify({
      workspaceId: `local-ws:${ownerId}:task472`,
      ownerId,
      createdAt: new Date().toISOString(),
      capabilities: ["local_files", "markdown_edit", "asset_upload"],
    }, null, 2)}\n`,
    "utf8",
  );
}

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 uploadLocalAsset(page, root, documentId, fileName, mimeType, bytes, kind) {
  return await page.evaluate(
    async ({ rootUri, documentId, fileName, mimeType, bytes, kind }) => {
      const form = new FormData();
      form.append("rootUri", rootUri);
      form.append("documentId", documentId);
      form.append("uploadIntent", "editor.markdown.attach");
      form.append("kind", kind);
      form.append("file", new File([new Uint8Array(bytes)], fileName, { type: mimeType }));
      const response = await fetch("/api/local-folder/assets/upload", { method: "POST", body: form });
      const payload = await response.json().catch(() => null);
      if (!response.ok || !payload || payload.ok !== true) {
        throw new Error(`upload_failed_${response.status}:${JSON.stringify(payload)}`);
      }
      return payload.asset;
    },
    { rootUri: fileUrl(root), documentId, fileName, mimeType, bytes: Array.from(bytes), kind },
  );
}

async function uploadAttachmentViaSecondarySlash(page, fileName, markdown, action) {
  const editor = page
    .locator('.mnote-resource-tab-panel[data-pane-role="secondary"][data-resource-kind="markdown"]:not([hidden]) .ProseMirror')
    .first();
  await editor.click({ timeout: UI_TIMEOUT_MS });
  await page.keyboard.press("End").catch(() => undefined);
  await page.keyboard.type("/");
  const item = page
    .locator('.mnote-resource-tab-panel[data-pane-role="secondary"] [data-testid="slash-item-upload-attachment"]')
    .first();
  await item.waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
  const [fileChooser] = await Promise.all([
    page.waitForEvent("filechooser", { timeout: UI_TIMEOUT_MS }),
    item.click({ timeout: UI_TIMEOUT_MS }),
  ]);
  await fileChooser.setFiles({
    name: fileName,
    mimeType: "text/markdown",
    buffer: Buffer.from(markdown, "utf8"),
  });
  await page.waitForFunction(
    ({ name }) => {
      const editor = document.querySelector('.mnote-resource-tab-panel[data-pane-role="secondary"]:not([hidden]) .ProseMirror');
      return (editor instanceof HTMLElement && (editor.textContent || "").includes(name))
        || document.documentElement.getAttribute("data-mnote-last-upload-inserted") === "false";
    },
    { name: fileName },
    { timeout: UI_TIMEOUT_MS },
  );
  const inserted = await page.evaluate((name) => {
    const editor = document.querySelector('.mnote-resource-tab-panel[data-pane-role="secondary"]:not([hidden]) .ProseMirror');
    return {
      hasText: editor instanceof HTMLElement && (editor.textContent || "").includes(name),
      inserted: document.documentElement.getAttribute("data-mnote-last-upload-inserted") || "",
      error: document.documentElement.getAttribute("data-mnote-last-upload-insert-error") || "",
      text: editor?.textContent || "",
    };
  }, fileName);
  assert(inserted.hasText, `${action} 上传后未插入 secondary 编辑器：${JSON.stringify(inserted)}`);
}

async function waitForPrimaryReady(page) {
  await page.locator(".document-pane[data-pane-role=\"primary\"] .editor-surface .ProseMirror").first().waitFor({
    state: "visible",
    timeout: UI_TIMEOUT_MS,
  });
}

async function waitForSecondaryDocument(page, expectedDocumentId) {
  await page.waitForFunction(
    ({ expected }) => {
      const pane = document.querySelector('.document-pane[data-pane-role="secondary"]');
      const editor = pane?.querySelector(".editor-surface .ProseMirror");
      return pane instanceof HTMLElement
        && pane.getAttribute("data-pane-visible") === "true"
        && pane.getAttribute("data-pane-document-id") === expected
        && editor instanceof HTMLElement
        && editor.isContentEditable;
    },
    { expected: expectedDocumentId },
    { timeout: UI_TIMEOUT_MS },
  );
}

async function readSideTargetState(page) {
  return await page.evaluate(() => {
    const url = new URL(window.location.href);
    const pane = document.querySelector('.document-pane[data-pane-role="secondary"]');
    const activeTab = document.querySelector('.mnote-main-tab.is-active[data-pane-role="primary"]');
    const placeholder = document.querySelector("[data-mnote-side-target-placeholder=\"true\"]");
    return {
      resourceTab: url.searchParams.get("resourceTab") || "",
      secondaryDocumentId: url.searchParams.get("secondaryDocumentId"),
      secondarySourceKind: url.searchParams.get("secondarySourceKind"),
      secondaryRootUri: url.searchParams.get("secondaryRootUri"),
      secondaryVisible: pane instanceof HTMLElement && pane.getAttribute("data-pane-visible") === "true" && !pane.hidden,
      secondaryDocumentDomId: pane?.getAttribute("data-pane-document-id") || "",
      secondarySideTarget: pane?.getAttribute("data-mnote-side-target") || "",
      activeTabKind: activeTab?.getAttribute("data-mnote-tab-kind") || "",
      activeTabText: activeTab?.textContent || "",
      secondaryActiveTabKind: document.querySelector('.mnote-main-tab.is-active[data-pane-role="secondary"]')?.getAttribute("data-mnote-tab-kind") || "",
      secondaryActiveTabText: document.querySelector('.mnote-main-tab.is-active[data-pane-role="secondary"]')?.textContent || "",
      secondaryResourceText: document.querySelector('.mnote-resource-tab-panel[data-pane-role="secondary"]:not([hidden]) .ProseMirror')?.textContent || "",
      primaryVisibleEditorText: document.querySelector('.document-pane[data-pane-role="primary"] .mnote-resource-tab-panel:not([hidden]) .ProseMirror, .document-pane[data-pane-role="primary"] [data-mnote-page-tab-panel]:not([hidden]) .ProseMirror')?.textContent || "",
      secondaryOfficeFrameSrc: document.querySelector('.mnote-resource-tab-panel[data-pane-role="secondary"]:not([hidden]) iframe.mnote-resource-tab-frame')?.getAttribute("src") || "",
      primarySlashVisible: Array.from(document.querySelectorAll('.document-pane[data-pane-role="primary"] [data-testid="mnote-leptos-tiptap-slash-menu"]')).some((node) => node instanceof HTMLElement && getComputedStyle(node).display !== "none"),
      secondarySlashVisible: Array.from(document.querySelectorAll('.document-pane[data-pane-role="secondary"] [data-testid="mnote-leptos-tiptap-slash-menu"]')).some((node) => node instanceof HTMLElement && getComputedStyle(node).display !== "none"),
      placeholderText: placeholder?.textContent || "",
      unsupportedFlag: document.documentElement.getAttribute("data-mnote-side-target-unsupported") || "",
      popupCount: window.__mnoteSideTargetPopupCount || 0,
    };
  });
}

async function waitForDiskTextContains(filePath, expectedNames) {
  const deadline = Date.now() + UI_TIMEOUT_MS;
  while (Date.now() < deadline) {
    const text = fs.existsSync(filePath) ? fs.readFileSync(filePath, "utf8") : "";
    if (expectedNames.every((name) => text.includes(name))) return text;
    await new Promise((resolve) => setTimeout(resolve, 150));
  }
  const text = fs.existsSync(filePath) ? fs.readFileSync(filePath, "utf8") : "";
  throw new Error(`等待资源文件保存超时: ${filePath} text=${JSON.stringify(text)}`);
}

async function waitForSecondaryAttachmentLinks(page, expectedNames) {
  await page.waitForFunction(
    ({ names }) => {
      const editor = document.querySelector('.mnote-resource-tab-panel[data-pane-role="secondary"][data-resource-kind="markdown"]:not([hidden]) .ProseMirror');
      if (!(editor instanceof HTMLElement)) return false;
      return names.every((name) => {
        const link = Array.from(editor.querySelectorAll("a[href]"))
          .find((node) => (node.textContent || "").includes(name));
        if (!(link instanceof HTMLAnchorElement)) return false;
        const href = link.getAttribute("href") || "";
        const className = link.getAttribute("class") || "";
        const styledAsAttachment = getComputedStyle(link).display === "inline-flex";
        const enhancedAsAttachment = link.getAttribute("data-mnote-attachment-link") === "true"
          || className.includes("mnote-uploaded-attachment-row");
        return href.includes("/api/local-folder/files/open")
          && (styledAsAttachment || enhancedAsAttachment);
      });
    },
    { names: expectedNames },
    { timeout: UI_TIMEOUT_MS },
  );
}

async function clickSecondaryAttachment(page, fileName) {
  await page.evaluate((name) => {
    const editor = document.querySelector('.mnote-resource-tab-panel[data-pane-role="secondary"][data-resource-kind="markdown"]:not([hidden]) .ProseMirror');
    const link = Array.from(editor?.querySelectorAll('a[href*="/api/local-folder/files/open"], a[data-mnote-attachment-link="true"]') || [])
      .find((node) => (node.textContent || "").includes(name));
    if (!(link instanceof HTMLAnchorElement)) {
      throw new Error(`secondary_attachment_link_missing:${name}`);
    }
    link.dispatchEvent(new MouseEvent("mousedown", { bubbles: true, cancelable: true, view: window }));
    link.dispatchEvent(new MouseEvent("click", { bubbles: true, cancelable: true, view: window }));
  }, fileName);
}

async function main() {
  const root = fs.mkdtempSync(path.join(os.tmpdir(), "mnote-task472-side-target-"));
  const relativePath = "README.md";
  const firstSideRelativePath = "Side.md";
  const secondSideRelativePath = "Second.md";
  const documentId = localMdDocumentId(relativePath);
  const firstSideDocumentId = localMdDocumentId(firstSideRelativePath);
  const secondSideDocumentId = localMdDocumentId(secondSideRelativePath);
  writeWorkspaceManifest(root, "user_real");
  fs.writeFileSync(path.join(root, relativePath), "# Page\n\n主页面\n", "utf8");
  fs.writeFileSync(path.join(root, firstSideRelativePath), "# Side\n\n第一侧栏\n", "utf8");
  fs.writeFileSync(path.join(root, secondSideRelativePath), "# Second\n\n第二侧栏\n", "utf8");

  const browser = await chromium.launch({
    headless: true,
    executablePath: CHROMIUM_EXECUTABLE_PATH,
  });
  const context = await browser.newContext({
    viewport: { width: 1360, height: 900 },
    extraHTTPHeaders: {
      "x-mnote-actor-id": "user_real",
      "x-mnote-actor-type": "user",
    },
  });
  await context.addInitScript(() => {
    window.__mnoteSideTargetPopupCount = 0;
    const originalOpen = window.open;
    window.open = function(...args) {
      window.__mnoteSideTargetPopupCount += 1;
      return originalOpen.apply(window, args);
    };
  });
  const page = await context.newPage();
  try {
    await quickLogin(page);
    await page.goto(documentUrl(root, relativePath, firstSideRelativePath), { waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
    await waitForPrimaryReady(page);
    await waitForSecondaryDocument(page, firstSideDocumentId);

    const asset = await uploadLocalAsset(
      page,
      root,
      documentId,
      "side-target-resource.md",
      "text/markdown",
      Buffer.from("# Resource\n\n资源正文\n", "utf8"),
      "attachment",
    );
    const officeAsset = await uploadLocalAsset(
      page,
      root,
      documentId,
      "side-target-office.docx",
      "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
      Buffer.from("task472 secondary office probe", "utf8"),
      "attachment",
    );

    await page.evaluate(({ asset, documentId }) => {
      window.dispatchEvent(new CustomEvent("tree.asset.open", {
        detail: {
          assetId: asset.id,
          documentId,
          title: asset.file_name || "side-target-resource.md",
          assetType: asset.asset_type || "attachment",
        },
      }));
    }, { asset, documentId });
    await page.locator('.mnote-main-tab.is-active[data-mnote-tab-kind="markdown"]').waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    const activeResourceBeforeSide = await readSideTargetState(page);
    assert(activeResourceBeforeSide.resourceTab.includes("side-target-resource.md"), `active resource tab 应写入 URL: ${JSON.stringify(activeResourceBeforeSide)}`);
    assert.equal(activeResourceBeforeSide.secondaryDocumentId, firstSideDocumentId, `资源 tab 不应清理既有 secondaryDocumentId: ${JSON.stringify(activeResourceBeforeSide)}`);

    await page.evaluate(({ documentId }) => {
      window.dispatchEvent(new CustomEvent("tree.page.open", {
        detail: {
          documentId,
          openTarget: "side",
        },
      }));
    }, { documentId: secondSideDocumentId });
    await waitForSecondaryDocument(page, secondSideDocumentId);
    const afterDocumentSideOpen = await readSideTargetState(page);
    assert.equal(afterDocumentSideOpen.secondaryDocumentId, secondSideDocumentId, `document openTarget=side 应更新 secondaryDocumentId: ${JSON.stringify(afterDocumentSideOpen)}`);
    assert.equal(afterDocumentSideOpen.secondarySourceKind, "local_folder", `document openTarget=side 应维护 secondarySourceKind: ${JSON.stringify(afterDocumentSideOpen)}`);
    assert.equal(afterDocumentSideOpen.secondaryRootUri, fileUrl(root), `document openTarget=side 应维护 secondaryRootUri: ${JSON.stringify(afterDocumentSideOpen)}`);
    assert(afterDocumentSideOpen.resourceTab.includes("side-target-resource.md"), `更新 secondary pane 不应清空 active resource tab URL: ${JSON.stringify(afterDocumentSideOpen)}`);
    assert.equal(afterDocumentSideOpen.activeTabKind, "markdown", `active resource tab 与 secondary pane 应同时存在: ${JSON.stringify(afterDocumentSideOpen)}`);

    await page.locator('[data-mnote-pane-close="secondary"]').first().click({ timeout: UI_TIMEOUT_MS });
    await page.waitForTimeout(250);
    const afterCloseSecondary = await readSideTargetState(page);
    assert.equal(afterCloseSecondary.secondaryDocumentId, null, `关闭 secondary pane 应清理 secondaryDocumentId: ${JSON.stringify(afterCloseSecondary)}`);
    assert.equal(afterCloseSecondary.secondarySourceKind, null, `关闭 secondary pane 应清理 secondarySourceKind: ${JSON.stringify(afterCloseSecondary)}`);
    assert.equal(afterCloseSecondary.secondaryRootUri, null, `关闭 secondary pane 应清理 secondaryRootUri: ${JSON.stringify(afterCloseSecondary)}`);
    assert(afterCloseSecondary.resourceTab.includes("side-target-resource.md"), `关闭 secondary pane 不应清空 active resource tab URL: ${JSON.stringify(afterCloseSecondary)}`);
    assert.equal(afterCloseSecondary.activeTabKind, "markdown", `关闭 secondary pane 不应切走 active resource tab: ${JSON.stringify(afterCloseSecondary)}`);

    await page.evaluate(({ asset, documentId }) => {
      window.dispatchEvent(new CustomEvent("tree.asset.open", {
        detail: {
          assetId: asset.id,
          documentId,
          title: asset.file_name || "side-target-resource.md",
          assetType: asset.asset_type || "attachment",
          openTarget: "side",
        },
      }));
    }, { asset, documentId });
    await page.locator('.mnote-main-tab.is-active[data-pane-role="secondary"][data-mnote-tab-kind="markdown"]').waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await page.locator('.mnote-resource-tab-panel[data-pane-role="secondary"][data-resource-kind="markdown"]:not([hidden]) .ProseMirror').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    const afterResourceSideOpen = await readSideTargetState(page);
    assert.equal(afterResourceSideOpen.secondaryDocumentId, null, `资源 openTarget=side 不应保留旧 secondaryDocumentId: ${JSON.stringify(afterResourceSideOpen)}`);
    assert.equal(afterResourceSideOpen.secondaryActiveTabKind, "markdown", `资源 openTarget=side 应在 secondary 资源标签打开 markdown: ${JSON.stringify(afterResourceSideOpen)}`);
    assert(afterResourceSideOpen.secondaryActiveTabText.includes("side-target-resource.md"), `secondary 资源标签标题应可观测: ${JSON.stringify(afterResourceSideOpen)}`);
    assert(afterResourceSideOpen.secondaryResourceText.includes("资源正文"), `secondary 资源标签应渲染附件内容: ${JSON.stringify(afterResourceSideOpen)}`);
    assert(afterResourceSideOpen.resourceTab.includes("side-target-resource.md"), `资源 side open 不应清空 primary active resource tab URL: ${JSON.stringify(afterResourceSideOpen)}`);
    assert.equal(afterResourceSideOpen.activeTabKind, "markdown", `资源 side open 不应切走 primary active resource tab: ${JSON.stringify(afterResourceSideOpen)}`);
    assert.equal(afterResourceSideOpen.popupCount, 0, `资源 openTarget=side 不应误开新窗口: ${JSON.stringify(afterResourceSideOpen)}`);
    const secondaryResourceEditor = page.locator('.mnote-resource-tab-panel[data-pane-role="secondary"][data-resource-kind="markdown"]:not([hidden]) .ProseMirror').first();
    await secondaryResourceEditor.click({ timeout: UI_TIMEOUT_MS });
    await page.waitForTimeout(150);
    const afterSecondaryFirstClick = await readSideTargetState(page);
    assert.equal(afterSecondaryFirstClick.primarySlashVisible, false, `secondary 首次点击资源正文不应让 primary 菜单闪现: ${JSON.stringify(afterSecondaryFirstClick)}`);

    await uploadAttachmentViaSecondarySlash(
      page,
      "secondary-real-upload-1.md",
      "# Upload One\n\n第一个真实上传\n",
      "secondary 第一个真实 md",
    );
    await page.waitForTimeout(250);
    const afterFirstRealSecondaryUpload = await readSideTargetState(page);
    if (!afterFirstRealSecondaryUpload.secondaryResourceText.includes("secondary-real-upload-1.md")) {
      const debug = await page.evaluate(() => {
        const root = document.querySelector('.mnote-resource-tab-panel[data-pane-role="secondary"]:not([hidden]) [data-testid="mnote-leptos-tiptap-island-editor-root"]');
        const editor = root?.querySelector(".editor-surface .ProseMirror");
        return {
          rootKind: root instanceof HTMLElement ? root.getAttribute("data-editor-host-kind") : "",
          rootDocumentId: root instanceof HTMLElement ? root.getAttribute("data-document-id") : "",
          rootWorkspaceId: root instanceof HTMLElement ? root.getAttribute("data-workspace-id") : "",
          rootStatus: root instanceof HTMLElement ? root.getAttribute("data-runtime-editor-status") : "",
          hasEditorHandle: Boolean(editor?.editor?.chain),
          lastRootKind: window.__mnoteLastEditorUploadRoot instanceof HTMLElement ? window.__mnoteLastEditorUploadRoot.getAttribute("data-editor-host-kind") : "",
          lastRootPane: window.__mnoteLastEditorUploadRoot instanceof HTMLElement ? window.__mnoteLastEditorUploadRoot.getAttribute("data-pane-role") : "",
          visibleResourceEditors: Array.from(document.querySelectorAll('.mnote-resource-tab-panel[data-pane-role="secondary"]:not([hidden]) .ProseMirror')).map((node) => ({
            text: node.textContent,
            hasEditorHandle: Boolean(node.editor?.chain),
          })),
        };
      });
      throw new Error(`secondary 真实上传第一个 md 未插入 secondary 资源编辑器，debug=${JSON.stringify(debug)} state=${JSON.stringify(afterFirstRealSecondaryUpload)}`);
    }
    assert(afterFirstRealSecondaryUpload.secondaryResourceText.includes("secondary-real-upload-1.md"), `secondary 真实上传第一个 md 应插入 secondary 资源编辑器: ${JSON.stringify(afterFirstRealSecondaryUpload)}`);
    assert(!afterFirstRealSecondaryUpload.primaryVisibleEditorText.includes("secondary-real-upload-1.md"), `secondary 真实上传第一个 md 不应插入 primary 编辑器: ${JSON.stringify(afterFirstRealSecondaryUpload)}`);
    assert.equal(afterFirstRealSecondaryUpload.primarySlashVisible, false, `secondary 真实上传第一个 md 后 primary 菜单不应可见: ${JSON.stringify(afterFirstRealSecondaryUpload)}`);

    await uploadAttachmentViaSecondarySlash(
      page,
      "secondary-real-upload-2.md",
      "# Upload Two\n\n第二个真实上传\n",
      "secondary 第二个真实 md",
    );
    await page.waitForTimeout(250);
    const afterSecondRealSecondaryUpload = await readSideTargetState(page);
    assert(afterSecondRealSecondaryUpload.secondaryResourceText.includes("secondary-real-upload-2.md"), `secondary 真实上传第二个 md 应插入 secondary 资源编辑器: ${JSON.stringify(afterSecondRealSecondaryUpload)}`);
    assert(!afterSecondRealSecondaryUpload.primaryVisibleEditorText.includes("secondary-real-upload-2.md"), `secondary 真实上传第二个 md 不应插入 primary 编辑器: ${JSON.stringify(afterSecondRealSecondaryUpload)}`);
    assert.equal(afterSecondRealSecondaryUpload.primarySlashVisible, false, `secondary 真实上传第二个 md 后 primary 菜单不应可见: ${JSON.stringify(afterSecondRealSecondaryUpload)}`);

    const sideResourceDiskPath = path.join(root, "README", "side-target-resource.md");
    await waitForDiskTextContains(sideResourceDiskPath, [
      "secondary-real-upload-1.md",
      "secondary-real-upload-2.md",
    ]);
    await page.reload({ waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
    await waitForPrimaryReady(page);
    await page.evaluate(({ asset, documentId }) => {
      window.dispatchEvent(new CustomEvent("tree.asset.open", {
        detail: {
          assetId: asset.id,
          documentId,
          title: asset.file_name || "side-target-resource.md",
          assetType: asset.asset_type || "attachment",
          openTarget: "side",
        },
      }));
    }, { asset, documentId });
    await page.locator('.mnote-resource-tab-panel[data-pane-role="secondary"][data-resource-kind="markdown"]:not([hidden]) .ProseMirror').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await waitForSecondaryAttachmentLinks(page, [
      "secondary-real-upload-1.md",
      "secondary-real-upload-2.md",
    ]);
    await clickSecondaryAttachment(page, "secondary-real-upload-1.md");
    await page.locator('.mnote-main-tab.is-active[data-pane-role="secondary"][data-mnote-tab-kind="markdown"]').waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    const afterReloadFirstAttachmentClick = await readSideTargetState(page);
    assert(afterReloadFirstAttachmentClick.secondaryActiveTabText.includes("secondary-real-upload-1.md"), `刷新后第一个 md 附件应在 secondary tab 打开: ${JSON.stringify(afterReloadFirstAttachmentClick)}`);
    assert.equal(afterReloadFirstAttachmentClick.popupCount, 0, `刷新后第一个 md 附件不应新开窗口: ${JSON.stringify(afterReloadFirstAttachmentClick)}`);
    await page.evaluate(({ asset, documentId }) => {
      window.dispatchEvent(new CustomEvent("tree.asset.open", {
        detail: {
          assetId: asset.id,
          documentId,
          title: asset.file_name || "side-target-resource.md",
          assetType: asset.asset_type || "attachment",
          openTarget: "side",
        },
      }));
    }, { asset, documentId });
    await waitForSecondaryAttachmentLinks(page, [
      "secondary-real-upload-1.md",
      "secondary-real-upload-2.md",
    ]);
    await clickSecondaryAttachment(page, "secondary-real-upload-2.md");
    await page.locator('.mnote-main-tab.is-active[data-pane-role="secondary"][data-mnote-tab-kind="markdown"]').waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    const afterReloadSecondAttachmentClick = await readSideTargetState(page);
    assert(afterReloadSecondAttachmentClick.secondaryActiveTabText.includes("secondary-real-upload-2.md"), `刷新后第二个 md 附件应在 secondary tab 打开: ${JSON.stringify(afterReloadSecondAttachmentClick)}`);
    assert.equal(afterReloadSecondAttachmentClick.popupCount, 0, `刷新后第二个 md 附件不应新开窗口: ${JSON.stringify(afterReloadSecondAttachmentClick)}`);

    fs.writeFileSync(path.join(root, "Second-resource.md"), "# Second Resource\n\n第二个资源正文\n", "utf8");
    const secondAsset = await uploadLocalAsset(
      page,
      root,
      documentId,
      "Second-resource.md",
      "text/markdown",
      Buffer.from("# Second Resource\n\n第二个资源正文\n", "utf8"),
      "attachment",
    );
    await page.evaluate(({ secondAsset, documentId }) => {
      window.dispatchEvent(new CustomEvent("tree.asset.open", {
        detail: {
          assetId: secondAsset.id,
          documentId,
          title: secondAsset.file_name || "Second-resource.md",
          assetType: secondAsset.asset_type || "attachment",
          openTarget: "side",
        },
      }));
    }, { secondAsset, documentId });
    await page.locator('.mnote-main-tab.is-active[data-pane-role="secondary"][data-mnote-tab-kind="markdown"]').waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await page.locator('.mnote-resource-tab-panel[data-pane-role="secondary"][data-resource-kind="markdown"]:not([hidden]) .ProseMirror').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    const afterSecondResourceSideOpen = await readSideTargetState(page);
    assert(afterSecondResourceSideOpen.secondaryActiveTabText.includes("Second-resource.md"), `secondary 第二个 md 资源应切到新标签: ${JSON.stringify(afterSecondResourceSideOpen)}`);
    assert(afterSecondResourceSideOpen.secondaryResourceText.includes("第二个资源正文"), `secondary 第二个 md 资源应渲染新正文: ${JSON.stringify(afterSecondResourceSideOpen)}`);
    assert.equal(afterSecondResourceSideOpen.secondaryActiveTabKind, "markdown", `secondary 第二个 md 资源不应回到 primary: ${JSON.stringify(afterSecondResourceSideOpen)}`);
    assert.equal(afterSecondResourceSideOpen.popupCount, 0, `secondary 第二个 md 资源不应误开新窗口: ${JSON.stringify(afterSecondResourceSideOpen)}`);

    await page.evaluate(({ officeAsset, documentId }) => {
      window.dispatchEvent(new CustomEvent("tree.asset.open", {
        detail: {
          assetId: officeAsset.id,
          documentId,
          title: officeAsset.file_name || "side-target-office.docx",
          assetType: officeAsset.asset_type || "attachment",
          openTarget: "side",
        },
      }));
    }, { officeAsset, documentId });
    await page.locator('.mnote-main-tab.is-active[data-pane-role="secondary"][data-mnote-tab-kind="office"]').waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await page.locator('.mnote-resource-tab-panel[data-pane-role="secondary"]:not([hidden]) iframe.mnote-resource-tab-frame').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    const afterOfficeSideOpen = await readSideTargetState(page);
    assert.equal(afterOfficeSideOpen.secondaryDocumentId, null, `Office openTarget=side 不应恢复 secondaryDocumentId: ${JSON.stringify(afterOfficeSideOpen)}`);
    assert.equal(afterOfficeSideOpen.secondaryActiveTabKind, "office", `Office openTarget=side 应在 secondary 资源标签打开 office: ${JSON.stringify(afterOfficeSideOpen)}`);
    assert(afterOfficeSideOpen.secondaryActiveTabText.includes("side-target-office.docx"), `secondary Office 标签标题应可观测: ${JSON.stringify(afterOfficeSideOpen)}`);
    assert(afterOfficeSideOpen.secondaryOfficeFrameSrc, `secondary Office 应创建 iframe: ${JSON.stringify(afterOfficeSideOpen)}`);
    const secondaryOfficeFrameUrl = new URL(afterOfficeSideOpen.secondaryOfficeFrameSrc, BASE_URL);
    assert.equal(secondaryOfficeFrameUrl.pathname, "/onlyoffice", `secondary Office iframe 应指向 /onlyoffice: ${JSON.stringify(afterOfficeSideOpen)}`);
    assert.equal(secondaryOfficeFrameUrl.searchParams.get("assetId"), officeAsset.id, `secondary Office iframe 应携带 assetId: ${JSON.stringify(afterOfficeSideOpen)}`);
    assert.equal(secondaryOfficeFrameUrl.searchParams.get("mode"), "view", `secondary Office iframe 应使用 view 模式: ${JSON.stringify(afterOfficeSideOpen)}`);
    assert.equal(afterOfficeSideOpen.popupCount, 0, `Office openTarget=side 不应误开新窗口: ${JSON.stringify(afterOfficeSideOpen)}`);

    console.log(JSON.stringify({ ok: true, root, assetId: asset.id, officeAssetId: officeAsset.id }, null, 2));
  } finally {
    await context.close().catch(() => undefined);
    await browser.close().catch(() => undefined);
  }
}

main().catch((error) => {
  console.error(error && error.stack ? error.stack : error);
  process.exit(1);
});