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

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,
  UI_TIMEOUT_MS,
  ensureAuthenticated,
} = require("./tree-shell-smoke-helpers");

const TASK = "task502-page-ai-agent-selector-context-smoke";
const OUTPUT_DIR = path.join(process.cwd(), "tmp", TASK);
const RESULT_PATH = path.join(OUTPUT_DIR, "result.json");
const CHROMIUM_EXECUTABLE_PATH = process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH
  || ["/usr/bin/google-chrome-stable", "/usr/bin/google-chrome", "/snap/bin/chromium", "/usr/bin/chromium"]
    .find((candidate) => fs.existsSync(candidate));

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

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

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

function documentUrl(root, relativePath) {
  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");
  return url.toString();
}

async function saveScreenshot(page, name) {
  const target = path.join(OUTPUT_DIR, `${name}.png`);
  await page.screenshot({ path: target, fullPage: false });
  return target;
}

async function main() {
  fs.mkdirSync(OUTPUT_DIR, { recursive: true });
  const suffix = Date.now().toString(36);
  const actorId = "mnote-e2e";
  const root = fs.mkdtempSync(path.join(os.tmpdir(), "mnote-task502-agent-context-"));
  const rootUri = fileUrl(root);
  const workspaceId = `local-ws:${actorId}:task502`;
  const relativePath = "AgentContext.md";
  const documentId = localMdDocumentId(relativePath);
  const captured = [];
  let caughtError = null;

  writeWorkspaceManifest(root, actorId, workspaceId);
  fs.writeFileSync(
    path.join(root, relativePath),
    ["# Agent Context", "", `Task502 ${suffix}`, ""].join("\n"),
    "utf8",
  );

  const browser = await chromium.launch({
    headless: true,
    ...(CHROMIUM_EXECUTABLE_PATH ? { executablePath: CHROMIUM_EXECUTABLE_PATH } : {}),
  });
  const context = await browser.newContext({
    viewport: { width: 1440, height: 960 },
    locale: "zh-CN",
    extraHTTPHeaders: {
      "x-mnote-actor-id": actorId,
      "x-mnote-actor-type": "user",
    },
  });
  const page = await context.newPage();

  try {
    await page.route("**/api/user/access-policy**", async (route) => {
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({
          ok: true,
          controlPlane: "sqlite",
          grants: [{
            id: `grant_task502_${suffix}`,
            userId: actorId,
            workspaceId,
            rootUri,
            rootPath: root,
            permission: "write",
            recursive: true,
            capabilities: ["ai", "markdown_edit"],
            source: "user",
            status: "active",
          }],
        }),
      });
    });
    await page.route("**/api/ui/preferences**", async (route) => {
      captured.push({
        kind: "ui-preferences",
        method: route.request().method(),
        body: route.request().postData() || "",
      });
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({ ok: true, owner: "mnote-web", result: {} }),
      });
    });
    await page.route("**/api/hermes/client/gateway/health**", async (route) => {
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({
          ok: true,
          gateway: { ok: true, status: "mocked" },
          profile: { name: "reasonix", modelConfigured: true, apiKeyConfigured: true },
          suggestions: [],
        }),
      });
    });
    await page.route("**/api/hermes/client/tools**", async (route) => {
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({ ok: true, tools: [] }),
      });
    });
    await page.route("**/api/hermes/client/profiles", async (route) => {
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({
          ok: true,
          active: "reasonix",
          profiles: [{ name: "reasonix", label: "Reasonix", modelConfigured: true, apiKeyConfigured: true }],
        }),
      });
    });
    await page.route("**/api/hermes/client/skills**", async (route) => {
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({ ok: true, categories: [], archived: [] }),
      });
    });
    await page.route("**/api/hermes/client/sessions", async (route) => {
      captured.push({ kind: "session", method: route.request().method(), body: route.request().postData() || "" });
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({
          ok: true,
          sessionId: `mnote_task502_${suffix}`,
          title: "task502",
          traceId: `trace_task502_session_${suffix}`,
          persistence: "local_ai_session_jsonl",
          sessionStorage: "local_private",
        }),
      });
    });
    await page.route("**/api/hermes/client/runs", async (route) => {
      captured.push({ kind: "run", method: route.request().method(), body: route.request().postData() || "" });
      await route.fulfill({
        status: 200,
        headers: { "content-type": "application/json" },
        body: JSON.stringify({
          ok: true,
          sessionId: `mnote_task502_${suffix}`,
          runId: `run_task502_${suffix}`,
          events: [],
          traceId: `trace_task502_run_${suffix}`,
        }),
      });
    });
    await page.route("**/api/hermes/client/events/*", async (route) => {
      await route.fulfill({
        status: 200,
        headers: { "content-type": "text/event-stream; charset=utf-8" },
        body:
          `data: ${JSON.stringify({ event: "message.delta", run_id: `run_task502_${suffix}`, delta: "Task502 response" })}\n\n` +
          `data: ${JSON.stringify({ event: "run.completed", run_id: `run_task502_${suffix}`, output: "Task502 response" })}\n\n`,
      });
    });

    await ensureAuthenticated(page, context.request);
    const response = await page.goto(documentUrl(root, relativePath), {
      waitUntil: "domcontentloaded",
      timeout: UI_TIMEOUT_MS,
    });
    assert(response && response.status() === 200, `文档页状态码异常: ${response && response.status()}`);
    await page.locator('[data-testid="mnote-leptos-tiptap-island-editor-root"] .ProseMirror').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await page.getByTestId("wolai-floating-ai").click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-testid="wolai-page-ai-drawer"]').waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });

    const drawer = page.locator('[data-testid="wolai-page-ai-drawer"]');
    const defaultChatText = await drawer.innerText({ timeout: UI_TIMEOUT_MS });
    assert(!defaultChatText.includes("问 Hermes"), "默认输入区不应继续固定写“问 Hermes”");
    assert(!defaultChatText.includes("model.default"), "默认聊天面不应显示 model.default");
    assert(!defaultChatText.includes("gateway:"), "默认聊天面不应显示 gateway 技术详情");
    assert(!defaultChatText.includes("Hermes profile"), "默认聊天面不应显示 Hermes profile 技术项");

    await page.locator("[data-page-ai-agent-selector]").waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    const agentIds = await page.$$eval("[data-page-ai-agent-id]", (nodes) =>
      nodes.map((node) => node.getAttribute("data-page-ai-agent-id")).filter(Boolean),
    );
    assert.deepStrictEqual(agentIds.sort(), ["chat_only", "hermes", "reasonix"]);
    await page.locator('[data-page-ai-agent-id="reasonix"]').click({ timeout: UI_TIMEOUT_MS });
    await page.waitForFunction(
      () => document.documentElement.getAttribute("data-mnote-page-ai-agent-id") === "reasonix",
      null,
      { timeout: UI_TIMEOUT_MS },
    );

    const contextRefs = page.locator("[data-page-ai-context-refs]");
    await contextRefs.waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    assert(
      await page.locator('[data-page-ai-context-ref="current_page"][aria-pressed="true"]').isVisible(),
      "当前页 contextRef 应默认勾选",
    );
    assert(
      await page.locator("[data-page-ai-allowed-root]").first().isVisible(),
      "SQLite 授权区域应作为 allowedRoot chip 显示",
    );

    await page.locator('.wolai-page-ai-header-actions [data-page-ai-tab="agent"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-panel="agent"]').waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    const commonSettingsText = await page.locator('[data-page-ai-panel="agent"]').innerText({ timeout: UI_TIMEOUT_MS });
    assert(commonSettingsText.includes("授权区域"), "Common 设置页应展示授权区域");
    assert(commonSettingsText.includes("默认上下文"), "Common 设置页应展示默认 contextRefs");
    assert(commonSettingsText.includes("审计"), "Common 设置页应展示审计/changed files 共性设置");
    assert(!commonSettingsText.includes("Hermes profile"), "Common 设置页不应包含 Hermes profile");
    assert(!commonSettingsText.includes("ACP runtime"), "Common 设置页不应包含 agent runtime 差异项");

    await page.locator('[data-page-ai-panel="agent"] [data-page-ai-tab="hermes-settings"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-panel="hermes-settings"]').waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    const hermesSettingsText = await page.locator('[data-page-ai-panel="hermes-settings"]').innerText({ timeout: UI_TIMEOUT_MS });
    assert(hermesSettingsText.includes("Hermes profile"), "Hermes 设置页应只承接 Hermes profile");
    assert(!hermesSettingsText.includes("Reasonix 专属设置"), "Hermes 设置页不应混入 Reasonix 设置");

    await page.locator('[data-page-ai-panel="hermes-settings"] [data-page-ai-tab="reasonix-settings"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-panel="reasonix-settings"]').waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    const reasonixSettingsText = await page.locator('[data-page-ai-panel="reasonix-settings"]').innerText({ timeout: UI_TIMEOUT_MS });
    assert(reasonixSettingsText.includes("ACP runtime"), "Reasonix 设置页应展示 ACP runtime");
    assert(reasonixSettingsText.includes("Reasonix 专属设置"), "Reasonix 设置页应展示 Reasonix 专属设置");
    assert(!reasonixSettingsText.includes("Hermes profile"), "Reasonix 设置页不应混入 Hermes profile");

    await page.locator('[data-page-ai-panel="reasonix-settings"] [data-page-ai-tab="chat-only-settings"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-panel="chat-only-settings"]').waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    const chatOnlySettingsText = await page.locator('[data-page-ai-panel="chat-only-settings"]').innerText({ timeout: UI_TIMEOUT_MS });
    assert(chatOnlySettingsText.includes("默认不申请文件写权限"), "Chat-only 设置页应说明默认不申请写权限");
    assert(!chatOnlySettingsText.includes("ACP runtime"), "Chat-only 设置页不应混入 ACP runtime");
    await page.locator('[data-page-ai-panel="chat-only-settings"] [data-page-ai-tab="chat"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-panel="chat"]').waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });

    await page.locator('[data-page-ai-context-ref="current_page"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-context-ref="folder"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-context-ref="changed_files"]').click({ timeout: UI_TIMEOUT_MS });
    await page.locator("[data-page-ai-input]").fill(`Task502 agent/context ${suffix}`, { timeout: UI_TIMEOUT_MS });
    await page.locator('[data-page-ai-action="send"]').click({ timeout: UI_TIMEOUT_MS });
    await page.waitForFunction(
      () => (document.querySelector('[data-testid="wolai-page-ai-drawer"]')?.textContent || "").includes("Task502 response"),
      null,
      { timeout: UI_TIMEOUT_MS },
    );

    const runs = captured.filter((item) => item.kind === "run");
    assert(runs.length >= 1, "未捕获 Page AI run payload");
    const runBody = JSON.parse(runs[runs.length - 1].body);
    assert.strictEqual(runBody.agentId, "reasonix");
    assert(Array.isArray(runBody.contextRefs), "run payload 必须包含 contextRefs 数组");
    assert(!runBody.contextRefs.some((item) => item.kind === "current_page"), "取消当前页后不应发送 current_page contextRef");
    assert.strictEqual(runBody.pageContext?.aiContext?.pageText, undefined, "取消当前页后不应发送 pageText");
    assert.strictEqual(runBody.pageContext?.aiContext?.pageXml, undefined, "取消当前页后不应发送 pageXml");
    assert.strictEqual(runBody.pageContext?.aiContext?.contextBlocks, undefined, "取消当前页后不应发送 contextBlocks");
    assert(runBody.contextRefs.some((item) => item.kind === "active_editor" && item.documentId === documentId));
    assert(runBody.contextRefs.some((item) => item.kind === "folder" && item.rootUri === rootUri));
    assert(runBody.contextRefs.some((item) => item.kind === "changed_files"));
    assert(Array.isArray(runBody.allowedRoots), "run payload 必须包含 allowedRoots 数组");
    assert(runBody.allowedRoots.some((item) =>
      item.rootUri === rootUri
        && item.permission === "write"
        && item.source === "sqlite_directory_grant"
    ));
    assert.strictEqual(runBody.runTargetSnapshot?.source, "open_editors_snapshot");

    const screenshot = await saveScreenshot(page, "01-agent-selector-context");
    const result = {
      ok: true,
      task: TASK,
      baseUrl: BASE_URL,
      root,
      rootUri,
      documentId,
      screenshot,
      captured,
    };
    fs.writeFileSync(RESULT_PATH, `${JSON.stringify(result, null, 2)}\n`, "utf8");
    console.log(JSON.stringify(result, null, 2));
  } catch (error) {
    caughtError = error;
    await saveScreenshot(page, "failure").catch(() => undefined);
  } finally {
    fs.rmSync(root, { recursive: true, force: true });
    await page.close().catch(() => undefined);
    await context.close().catch(() => undefined);
    await browser.close().catch(() => undefined);
  }

  if (caughtError) {
    throw caughtError;
  }
}

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