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

const assert = require("node:assert");
const fs = require("node:fs");
const path = require("node:path");
const { execFileSync } = require("node:child_process");
const { chromium } = require("playwright");

const ROOT = process.env.MNOTE_REPO_ROOT || "/mnt/Data1T/mnote";
const { BASE_URL, UI_TIMEOUT_MS } = require(path.join(ROOT, "scripts", "tree-shell-smoke-helpers"));

const OUTPUT_DIR = path.join(ROOT, "tmp", "task530-knowledge-rag-page-ai-final-answer-smoke");
const RESULT_PATH = path.join(OUTPUT_DIR, "result.json");
const SCREENSHOT_PATH = path.join(OUTPUT_DIR, "page-ai-knowledge-rag-answer.png");
const CITATION_OPEN_SCREENSHOT_PATH = path.join(OUTPUT_DIR, "page-ai-knowledge-rag-citation-open.png");
const CONTROL_PLANE_DB =
  process.env.MNOTE_CONTROL_PLANE_DB_PATH || "/mnt/Data1T/Mnote_data/control-plane/control-plane.db";
const CHROME = process.env.MNOTE_PAGE_AI_CHROME || "/usr/bin/google-chrome";
const ACTOR_ID = "mnote-e2e";
const WORKSPACE_ID = "local-ws:mnote-e2e:my-space";
const ROOT_PATH = "/mnt/Data1T/Mnote_data/users/mnote-e2e/workspaces/my-space";
const ROOT_URI = `file://${ROOT_PATH}`;
const OWNER_REL = "knowledge-rag-fixtures-7-50/PageAiKnowledgeRagSmoke.md";
const EXPECTED_RESOURCE = "新页面233155/image copy 6.png";
const DOCUMENT_ID = `local-md:${OWNER_REL.replaceAll("/", "~2F")}`;

function sqlQuote(value) {
  return `'${String(value).replaceAll("'", "''")}'`;
}

function sqliteExec(sql) {
  execFileSync("sqlite3", [CONTROL_PLANE_DB, sql], {
    encoding: "utf8",
    stdio: ["ignore", "pipe", "pipe"],
  });
}

function ensureGrant() {
  assert(fs.existsSync(CONTROL_PLANE_DB), `缺少 control-plane SQLite: ${CONTROL_PLANE_DB}`);
  const now = new Date().toISOString();
  sqliteExec(`
    INSERT OR IGNORE INTO users (id, email, username, display_name, role, status, created_at, updated_at, revision)
    VALUES (${sqlQuote(ACTOR_ID)}, 'mnote.e2e@example.com', ${sqlQuote(ACTOR_ID)}, ${sqlQuote(ACTOR_ID)}, 'user', 'active', ${sqlQuote(now)}, ${sqlQuote(now)}, 1);
    INSERT OR REPLACE INTO workspaces (id, owner_user_id, name, kind, root_uri, root_path, source_kind, status, created_at, updated_at, revision)
    VALUES (${sqlQuote(WORKSPACE_ID)}, ${sqlQuote(ACTOR_ID)}, 'MNote E2E Space', 'personal', ${sqlQuote(ROOT_URI)}, ${sqlQuote(ROOT_PATH)}, 'local_folder', 'active', ${sqlQuote(now)}, ${sqlQuote(now)}, 1);
    INSERT OR REPLACE INTO directory_grants (id, user_id, workspace_id, root_uri, root_path, permission, recursive, capabilities_json, source, status, created_by, created_at, updated_at, revision)
    VALUES ('grant_task530_knowledge_rag', ${sqlQuote(ACTOR_ID)}, ${sqlQuote(WORKSPACE_ID)}, ${sqlQuote(ROOT_URI)}, ${sqlQuote(ROOT_PATH)}, 'write', 1, '["ai"]', 'smoke', 'active', ${sqlQuote(ACTOR_ID)}, ${sqlQuote(now)}, ${sqlQuote(now)}, 1);
  `);
}

function ensureOwnerPage() {
  const ownerPath = path.join(ROOT_PATH, OWNER_REL);
  fs.mkdirSync(path.dirname(ownerPath), { recursive: true });
  if (!fs.existsSync(ownerPath)) {
    fs.writeFileSync(
      ownerPath,
      ["# Page AI Knowledge RAG Smoke", "", "This page is a stable Page AI smoke target for LightRAG retrieval.", ""].join("\n"),
      "utf8",
    );
  }
}

async function signIn(context) {
  const response = await context.request.post(`${BASE_URL}/api/auth`, {
    data: {
      action: "auth:signIn",
      args: {
        provider: "password",
        params: {
          account: ACTOR_ID,
          password: process.env.MNOTE_E2E_PASSWORD || "MnoteE2E123!",
          flow: "signIn",
        },
      },
    },
    timeout: UI_TIMEOUT_MS,
  });
  const text = await response.text();
  assert(response.ok(), `/api/auth 登录失败: ${response.status()} ${text.slice(0, 500)}`);
}

async function assertKnowledgeRagDescriptor(context) {
  const response = await context.request.get(`${BASE_URL}/api/page-ai/agents/descriptors?profile=reasonix`, {
    headers: {
      "x-mnote-actor-id": ACTOR_ID,
      "x-mnote-actor-type": "user",
      accept: "application/json",
    },
  });
  assert(response.ok(), `descriptor API 失败: ${response.status()} ${await response.text()}`);
  const payload = await response.json();
  const reasonix = (payload.descriptors || []).find((descriptor) => descriptor.agentId === "reasonix");
  assert(reasonix, "descriptor 缺少 Reasonix");
  assert.equal(reasonix.capabilityStates?.knowledge_rag?.enabled, true, "Reasonix descriptor 应声明 knowledge_rag enabled");
  assert((reasonix.capabilities || []).includes("knowledge_rag"), "Reasonix descriptor capabilities 应包含 knowledge_rag");
  const toolNames = new Set((reasonix.tools || []).map((tool) => tool.name));
  for (const toolName of ["mnote.knowledge_rag.status", "mnote.knowledge_rag.query", "mnote.knowledge_rag.open_reference"]) {
    assert(toolNames.has(toolName), `Reasonix descriptor 缺少 ${toolName}`);
  }
}

async function knowledgeRagStatus(context) {
  const params = new URLSearchParams({ rootUri: ROOT_URI, workspaceId: WORKSPACE_ID });
  const response = await context.request.get(`${BASE_URL}/api/knowledge-rag/status?${params.toString()}`);
  assert(response.ok(), `knowledge-rag status 失败: ${response.status()} ${await response.text()}`);
  return await response.json();
}

async function ensureKnowledgeRagSourceIndexed(context) {
  const response = await context.request.post(`${BASE_URL}/api/knowledge-rag/ingest`, {
    data: {
      rootUri: ROOT_URI,
      workspaceId: WORKSPACE_ID,
      sources: [{ sourcePath: EXPECTED_RESOURCE }],
    },
  });
  assert(response.ok(), `knowledge-rag ingest 失败: ${response.status()} ${await response.text()}`);
  const startedAt = Date.now();
  let lastEntry = null;
  while (Date.now() - startedAt < 90_000) {
    const payload = await knowledgeRagStatus(context);
    lastEntry = (payload.registry?.entries || []).find((entry) => entry.sourceRootRelativePath === EXPECTED_RESOURCE) || null;
    if (lastEntry?.indexedAtMs && lastEntry?.lightRagDocId && !lastEntry?.stale && !lastEntry?.deletedAtMs) return lastEntry;
    await new Promise((resolve) => setTimeout(resolve, 5_000));
  }
  throw new Error(`等待目标资料入库超时: ${JSON.stringify(lastEntry, null, 2)}`);
}

async function assertKnowledgeRagQueryReturnsCitationMarkdown(context) {
  const response = await context.request.post(`${BASE_URL}/api/knowledge-rag/query`, {
    data: {
      rootUri: ROOT_URI,
      workspaceId: WORKSPACE_ID,
      query: "这个图片资料在资料库里是什么内容？",
      mode: "mix",
      topK: 8,
      chunkTopK: 8,
      includeChunkContent: true,
      sourcePaths: [EXPECTED_RESOURCE],
    },
  });
  assert(response.ok(), `knowledge-rag query 失败: ${response.status()} ${await response.text()}`);
  const payload = await response.json();
  const references = Array.isArray(payload.references) ? payload.references : [];
  assert(
    references.some((reference) => String(reference.citationMarkdown || "").trim() && String(reference.citationUrl || "").includes("resourceTab=")),
    `query 输出缺少 citationMarkdown，Page AI 最终回答 smoke 不能继续: ${JSON.stringify(references, null, 2).slice(0, 3000)}`,
  );
}

async function selectReasonix(page) {
  await page.locator("[data-page-ai-agent-button]").click({ timeout: UI_TIMEOUT_MS });
  await page.locator("[data-page-ai-agent-popover]").waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
  await page.locator('[data-page-ai-agent-id="reasonix"]').first().click({ timeout: UI_TIMEOUT_MS });
  await page.waitForFunction(
    () => document.querySelector('[data-testid="wolai-page-ai-drawer"]')?.getAttribute("data-mnote-acp-runtime") === "reasonix",
    null,
    { timeout: UI_TIMEOUT_MS },
  );
}

async function newestAssistantText(page, initialCount) {
  return await page.evaluate((countBefore) => {
    const nodes = Array.from(
      document.querySelectorAll('[data-testid="wolai-page-ai-drawer"] .wolai-page-ai-message--assistant'),
    );
    const node = nodes.slice(countBefore).at(-1) || nodes.at(-1);
    const content = node?.querySelector(".wolai-page-ai-message-text");
    return content ? content.textContent || "" : "";
  }, initialCount);
}

async function newestAssistantLinks(page, initialCount) {
  return await page.evaluate((countBefore) => {
    const nodes = Array.from(
      document.querySelectorAll('[data-testid="wolai-page-ai-drawer"] .wolai-page-ai-message--assistant'),
    );
    const node = nodes.slice(countBefore).at(-1) || nodes.at(-1);
    if (!node) return [];
    return Array.from(node.querySelectorAll("a")).map((anchor) => ({
      text: anchor.textContent || "",
      href: anchor.getAttribute("href") || "",
    }));
  }, initialCount);
}

async function clickNewestAssistantCitation(page, initialCount, expectedResource) {
  const total = await page
    .locator('[data-testid="wolai-page-ai-drawer"] .wolai-page-ai-message--assistant')
    .count();
  const latestIndex = Math.max(initialCount, total - 1);
  const latestMessage = page
    .locator('[data-testid="wolai-page-ai-drawer"] .wolai-page-ai-message--assistant')
    .nth(latestIndex);
  const citationLink = latestMessage.locator('a[data-page-ai-citation-link="true"]').first();
  await citationLink.waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });

  const popupPromise = page.waitForEvent("popup", { timeout: 5_000 }).catch(() => null);
  await citationLink.click({ timeout: UI_TIMEOUT_MS });
  const openedPage = (await popupPromise) || page;
  await openedPage.waitForLoadState("domcontentloaded", { timeout: UI_TIMEOUT_MS }).catch(() => undefined);
  await openedPage.waitForFunction(
    (resourcePath) => {
      const panel = document.querySelector(
        `[data-mnote-resource-tab-panel][data-resource-path="${CSS.escape(resourcePath)}"]`,
      );
      return panel && !panel.hidden;
    },
    expectedResource,
    { timeout: UI_TIMEOUT_MS },
  );
  await openedPage.waitForTimeout(1500);
  const state = await openedPage.evaluate((resourcePath) => {
    const panel = document.querySelector(
      `[data-mnote-resource-tab-panel][data-resource-path="${CSS.escape(resourcePath)}"]`,
    );
    const activeTab = document.querySelector(".mnote-main-tab.is-active, [data-mnote-tab-kind].is-active");
    const image = panel ? panel.querySelector("img, [data-mnote-image-viewer], [data-mnote-resource-image]") : null;
    return {
      url: location.href,
      openedInPopup: window.opener != null,
      activeTabText: activeTab ? activeTab.textContent.trim().slice(0, 120) : "",
      activeTabKind: activeTab ? activeTab.getAttribute("data-mnote-tab-kind") : "",
      panelVisible: !!panel && !panel.hidden,
      panelResourcePath: panel ? panel.getAttribute("data-resource-path") : "",
      panelLocator: panel ? panel.getAttribute("data-mnote-evidence-locator") : "",
      panelBlockId: panel ? panel.getAttribute("data-mnote-evidence-block-id") : "",
      imageVisible: !!image,
    };
  }, expectedResource);
  await openedPage.screenshot({ path: CITATION_OPEN_SCREENSHOT_PATH, fullPage: true });
  assert.equal(state.panelVisible, true, `点击 AI citation 后未打开资源 panel: ${JSON.stringify(state, null, 2)}`);
  assert.equal(state.panelResourcePath, expectedResource, `点击 AI citation 后资源路径不匹配: ${JSON.stringify(state, null, 2)}`);
  assert(
    state.url.includes("resourceTab=") || state.url.includes("resourcePath="),
    `点击 AI citation 后 URL 缺少资源定位参数: ${JSON.stringify(state, null, 2)}`,
  );
  return state;
}

function summarizeRun(body) {
  return {
    workspaceId: body.workspaceId || "",
    documentId: body.documentId || "",
    sourceKind: body.sourceKind || "",
    rootUri: body.rootUri || "",
    agentId: body.agentId || "",
    profile: body.profile || "",
    acpRuntime: body.acpRuntime || "",
    contextRefs: Array.isArray(body.contextRefs)
      ? body.contextRefs.map((item) => (typeof item === "string" ? item : item?.kind || "")).filter(Boolean)
      : [],
    allowedRootCount: Array.isArray(body.allowedRoots) ? body.allowedRoots.length : 0,
    mnoteKnowledgeRagDisabled: body.skillPreferences?.mnote?.["mnote-knowledge-rag"] === false,
    message: body.message || "",
  };
}

async function main() {
  fs.mkdirSync(OUTPUT_DIR, { recursive: true });
  ensureGrant();
  ensureOwnerPage();

  const browser = await chromium.launch({
    headless: process.env.MNOTE_PAGE_AI_VERIFY_HEADED !== "1",
    executablePath: fs.existsSync(CHROME) ? CHROME : undefined,
  });
  const context = await browser.newContext({ viewport: { width: 1440, height: 960 } });
  const page = await context.newPage();
  const capturedRuns = [];
  const consoleErrors = [];
  const pageErrors = [];

  page.on("console", (message) => {
    if (["error", "warning"].includes(message.type())) {
      consoleErrors.push({ type: message.type(), text: message.text() });
    }
  });
  page.on("pageerror", (error) => pageErrors.push(String(error?.message || error)));
  page.on("request", (request) => {
    if (!request.url().includes("/api/hermes/client/runs") || request.method() !== "POST") return;
    try {
      capturedRuns.push(JSON.parse(request.postData() || "{}"));
    } catch {
      capturedRuns.push({ raw: request.postData() || "" });
    }
  });

  try {
    await signIn(context);
    await assertKnowledgeRagDescriptor(context);
    await ensureKnowledgeRagSourceIndexed(context);
    await assertKnowledgeRagQueryReturnsCitationMarkdown(context);
    const documentUrl = new URL(`${BASE_URL}/documents/${encodeURIComponent(DOCUMENT_ID)}`);
    documentUrl.searchParams.set("sourceKind", "local_folder");
    documentUrl.searchParams.set("rootUri", ROOT_URI);
    documentUrl.searchParams.set("workspaceId", WORKSPACE_ID);
    await page.goto(documentUrl.toString(), { waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
    await page.getByTestId("wolai-floating-ai").click({ timeout: UI_TIMEOUT_MS });
    await selectReasonix(page);

    const assistantCount = await page
      .locator('[data-testid="wolai-page-ai-drawer"] .wolai-page-ai-message--assistant')
      .count();
    const prompt = [
      "请调用 mnote_knowledge_rag_query 检索资料库。",
      `问题：这个图片资料在资料库里是什么内容？调用工具时请把 sourcePaths 参数设为 ["${EXPECTED_RESOURCE}"]。`,
      "最终只输出一句中文结论，必须包含返回的 citationMarkdown 链接；如果 locatorDegraded=true，必须说明来源定位降级，不要描述检索过程，不要输出 raw JSON，不要编造页码或 bbox。",
    ].join("\n");
    await page.locator("[data-page-ai-input]").fill(prompt, { timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-action="send"]').click({ timeout: UI_TIMEOUT_MS });
    await page.waitForFunction(
      () => document.documentElement.getAttribute("data-mnote-page-ai-run-status") === "completed",
      null,
      { timeout: Math.max(UI_TIMEOUT_MS, 180_000) },
    );
    await page.waitForFunction(
      (countBefore) => {
        const nodes = Array.from(
          document.querySelectorAll('[data-testid="wolai-page-ai-drawer"] .wolai-page-ai-message--assistant'),
        );
        const node = nodes.slice(countBefore).at(-1) || nodes.at(-1);
        const text = node?.querySelector(".wolai-page-ai-message-text")?.textContent || "";
        return text.includes("来源定位降级") && text.includes("image copy 6.png");
      },
      assistantCount,
      { timeout: Math.max(UI_TIMEOUT_MS, 180_000) },
    );

    const assistantText = await newestAssistantText(page, assistantCount);
    const assistantLinks = await newestAssistantLinks(page, assistantCount);
    assert(assistantText.includes("image copy 6.png"), `可见回答缺少当前资料来源文件名: ${assistantText}`);
    assert(assistantText.includes("来源定位降级"), `可见回答缺少 degraded citation 口径: ${assistantText}`);
    assert(!/\bp\.\d+\b/i.test(assistantText), `degraded citation 不应编造页码: ${assistantText}`);
    assert(!/bbox/i.test(assistantText), `degraded citation 不应编造 bbox: ${assistantText}`);
    assert(
      assistantLinks.some((link) => link.text.includes("来源定位降级") && link.href.includes("resourceTab=")),
      `可见回答缺少可点击 resourceTab citation: ${JSON.stringify(assistantLinks)}`,
    );
    assert(!assistantText.includes("citationMarkdown"), `可见回答泄漏工具字段名: ${assistantText}`);
    assert(!assistantText.includes('"raw"'), `可见回答泄漏 raw JSON: ${assistantText}`);
    assert(!assistantText.includes("mnote_knowledge_rag_query"), `可见回答泄漏工具名: ${assistantText}`);
    assert(!/让我|我来|我先|查询返回|找到了|检索资料库/.test(assistantText), `可见回答包含检索过程叙述: ${assistantText}`);
    assert(
      capturedRuns.some((body) => body.acpRuntime === "reasonix" && body.profile === "reasonix"),
      "未捕获到 Reasonix Page AI run",
    );
    assert(
      capturedRuns.every((body) => body.sourceKind === "local_folder" && body.rootUri === ROOT_URI),
      "Page AI run 未保持 local_folder/rootUri 上下文",
    );
    assert(
      capturedRuns.some((body) => body.skillPreferences?.mnote?.["mnote-knowledge-rag"] !== false),
      "Page AI run 禁用了 mnote-knowledge-rag",
    );

    await page.screenshot({ path: SCREENSHOT_PATH, fullPage: true });
    const citationOpenState = await clickNewestAssistantCitation(page, assistantCount, "新页面233155/image copy 6.png");
    const result = {
      ok: true,
      baseUrl: BASE_URL,
      workspaceId: WORKSPACE_ID,
      rootUri: ROOT_URI,
      documentId: DOCUMENT_ID,
      assistantText,
      assistantLinks,
      capturedRuns: capturedRuns.map(summarizeRun),
      capturedRunsFullPath: path.join(OUTPUT_DIR, "captured-runs-full.json"),
      citationOpenState,
      pageErrors,
      consoleErrors,
      screenshots: {
        answer: SCREENSHOT_PATH,
        citationOpen: CITATION_OPEN_SCREENSHOT_PATH,
      },
    };
    fs.writeFileSync(
      path.join(OUTPUT_DIR, "captured-runs-full.json"),
      `${JSON.stringify(capturedRuns, null, 2)}\n`,
      "utf8",
    );
    fs.writeFileSync(RESULT_PATH, `${JSON.stringify(result, null, 2)}\n`, "utf8");
    console.log(JSON.stringify(result, null, 2));
  } catch (error) {
    await page.screenshot({ path: path.join(OUTPUT_DIR, "failure.png"), fullPage: true }).catch(() => undefined);
    fs.writeFileSync(
      path.join(OUTPUT_DIR, "failure.json"),
      `${JSON.stringify(
        {
          ok: false,
          error: error instanceof Error ? error.stack || error.message : String(error),
          capturedRuns,
          pageErrors,
          consoleErrors,
        },
        null,
        2,
      )}\n`,
      "utf8",
    );
    throw error;
  } finally {
    await browser.close().catch(() => undefined);
  }
}

main().catch((error) => {
  console.error(error.stack || error.message || String(error));
  process.exit(1);
});