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

const assert = require("node:assert");
const fs = require("node:fs");
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 QUERY = process.env.MNOTE_KNOWLEDGE_RAG_REPOSITION_QUERY || "三甲基硅";
const EXPECTED_RESOURCE = process.env.MNOTE_KNOWLEDGE_RAG_EXPECTED_RESOURCE
  || "有机合成中的保护基/[OCR]_有机合成中的保护基-酚羰基羧基巯基的保护_20250201_1908.layered_删减-2025-02-04 18-59-42.docx";
const OUTPUT_DIR = path.join(process.cwd(), "tmp", "task541-knowledge-rag-search-panel-office-reposition-smoke");
const RESULT_PATH = path.join(OUTPUT_DIR, "result.json");
const SEARCH_SCREENSHOT_PATH = path.join(OUTPUT_DIR, "search-restored.png");
const OPEN_SCREENSHOT_PATH = path.join(OUTPUT_DIR, "office-reposition.png");
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));

async function openKnowledgeSearch(page, query) {
  await page.click('[data-mnote-action="open-search-modal"]');
  await page.waitForSelector('[data-testid="wolai-search-input"]', { timeout: UI_TIMEOUT_MS });
  await page.evaluate(() => {
    const button = document.querySelector('[data-search-switch="knowledge"]');
    if (button instanceof HTMLElement) {
      button.setAttribute("aria-checked", "true");
      button.classList.add("is-on");
    }
  });
  await page.fill('[data-testid="wolai-search-input"]', query);
  await page.evaluate(() => {
    document.querySelector('[data-testid="wolai-search-input"]')
      ?.dispatchEvent(new Event("input", { bubbles: true }));
  });
}

async function waitForOfficeRows(page) {
  await page.waitForFunction(
    ({ query, expectedResource }) => {
      const rows = Array.from(document.querySelectorAll('[data-testid="wolai-search-result-row"]'));
      return rows.some((row) => {
        const locator = JSON.parse(row.getAttribute("data-evidence-locator") || "null");
        const path = String(locator?.resourcePath || locator?.resource_path || "");
        return path === expectedResource && row.textContent.includes(query);
      });
    },
    { query: QUERY, expectedResource: EXPECTED_RESOURCE },
    { timeout: UI_TIMEOUT_MS },
  );
}

async function pickOfficeResult(page, excludeBlockId = "") {
  return page.evaluate(({ expectedResource, excludeBlockId }) => {
    const rows = Array.from(document.querySelectorAll('[data-testid="wolai-search-result-row"]'));
    for (const row of rows) {
      const locator = JSON.parse(row.getAttribute("data-evidence-locator") || "null");
      const resourcePath = String(locator?.resourcePath || locator?.resource_path || "");
      const blockId = String(locator?.blockId || locator?.block_id || "");
      if (resourcePath === expectedResource && blockId && blockId !== excludeBlockId) {
        return {
          index: Number(row.getAttribute("data-search-result-index") || -1),
          blockId,
          text: row.textContent,
        };
      }
    }
    return null;
  }, { expectedResource: EXPECTED_RESOURCE, excludeBlockId });
}

async function clickSearchResultByIndex(page, index) {
  await page.locator(`[data-testid="wolai-search-result-row"][data-search-result-index="${index}"]`).click();
}

async function waitForOfficeLocator(page, expectedBlockId) {
  await page.waitForFunction(
    ({ expectedResource, expectedBlockId }) => {
      const panel = document.querySelector(`[data-mnote-resource-tab-panel][data-resource-path="${CSS.escape(expectedResource)}"]`);
      return panel && panel.getAttribute("data-mnote-evidence-block-id") === expectedBlockId;
    },
    { expectedResource: EXPECTED_RESOURCE, expectedBlockId },
    { timeout: UI_TIMEOUT_MS },
  );
  await page.waitForTimeout(1_500);
}

async function readOfficeState(page) {
  return page.evaluate((expectedResource) => {
    const panel = document.querySelector(`[data-mnote-resource-tab-panel][data-resource-path="${CSS.escape(expectedResource)}"]`);
    const frame = panel?.querySelector("iframe.mnote-resource-tab-frame");
    const result = {
      searchOpen: !document.querySelector('[data-testid="wolai-search-modal"]')?.hidden,
      panelBlockId: panel?.getAttribute("data-mnote-evidence-block-id") || "",
      frameSrc: frame?.getAttribute("src") || "",
      loadCount: window.__mnoteTask541LoadCount || 0,
    };
    if (frame?.contentDocument) {
      const doc = frame.contentDocument;
      const target = doc.querySelector('[data-mnote-office-evidence-target="true"]');
      const marker = doc.querySelector('[data-mnote-office-evidence-marker="true"]');
      result.iframe = {
        status: doc.documentElement.getAttribute("data-mnote-office-preview-status") || "",
        applied: doc.documentElement.getAttribute("data-mnote-office-evidence-applied") || "",
        highlightedText: target?.textContent?.slice(0, 200) || "",
        markerMode: marker?.getAttribute("data-mnote-office-evidence-marker-mode") || "",
        markerTargetText: marker?.getAttribute("data-mnote-office-evidence-target-text") || "",
        markerHeight: marker ? Math.round(marker.getBoundingClientRect().height) : 0,
      };
    }
    return result;
  }, EXPECTED_RESOURCE);
}

async function main() {
  fs.mkdirSync(OUTPUT_DIR, { recursive: true });
  const browser = await chromium.launch({ headless: true, executablePath: CHROMIUM_EXECUTABLE_PATH });
  const context = await browser.newContext({ viewport: { width: 1360, height: 900 } });
  try {
    const auth = await context.request.post(`${BASE_URL}/api/auth`, {
      data: {
        action: "auth:signIn",
        args: {
          provider: "password",
          params: {
            email: "mnote.e2e@example.com",
            password: process.env.MNOTE_E2E_PASSWORD || "MnoteE2E123!",
            flow: "signIn",
          },
        },
      },
    });
    assert(auth.ok(), `登录失败: ${auth.status()} ${await auth.text()}`);

    const page = await context.newPage();
    const pageErrors = [];
    const consoleErrors = [];
    page.on("pageerror", (error) => pageErrors.push(String(error?.stack || error?.message || error)));
    page.on("console", (message) => {
      if (["error", "warning"].includes(message.type())) consoleErrors.push(`${message.type()}: ${message.text()}`);
    });

    await page.goto(`${BASE_URL}/`, { waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
    await page.evaluate(() => {
      window.localStorage?.setItem("mnote.search.collapseSourcesDefault.v1", "0");
    });
    await page.waitForSelector('[data-mnote-action="open-search-modal"]', { timeout: UI_TIMEOUT_MS });
    await openKnowledgeSearch(page, QUERY);
    await waitForOfficeRows(page);
    const beforeClose = await page.evaluate(() => ({
      query: document.querySelector('[data-testid="wolai-search-input"]')?.value || "",
      count: document.querySelectorAll('[data-testid="wolai-search-result-row"]').length,
      meta: document.querySelector('[data-testid="wolai-search-result-meta"]')?.textContent || "",
    }));
    await page.click('[data-testid="wolai-search-close"]');
    await page.click('[data-mnote-action="open-search-modal"]');
    await page.waitForSelector('[data-testid="wolai-search-input"]', { timeout: UI_TIMEOUT_MS });
    const afterReopen = await page.evaluate(() => ({
      query: document.querySelector('[data-testid="wolai-search-input"]')?.value || "",
      count: document.querySelectorAll('[data-testid="wolai-search-result-row"]').length,
      meta: document.querySelector('[data-testid="wolai-search-result-meta"]')?.textContent || "",
    }));
    await page.screenshot({ path: SEARCH_SCREENSHOT_PATH, fullPage: true });
    assert.equal(afterReopen.query, QUERY, `搜索面板未恢复 query: ${JSON.stringify({ beforeClose, afterReopen })}`);
    assert(afterReopen.count >= beforeClose.count, `搜索面板重新打开后结果丢失: ${JSON.stringify({ beforeClose, afterReopen })}`);

    const first = await pickOfficeResult(page);
    assert(first, `没有找到可打开的 Office 搜索结果`);
    await clickSearchResultByIndex(page, first.index);
    await waitForOfficeLocator(page, first.blockId);
    const firstState = await readOfficeState(page);
    assert.equal(firstState.searchOpen, false, `点击搜索结果后搜索面板应关闭但保留状态: ${JSON.stringify(firstState, null, 2)}`);
    await page.evaluate((expectedResource) => {
      const panel = document.querySelector(`[data-mnote-resource-tab-panel][data-resource-path="${CSS.escape(expectedResource)}"]`);
      const frame = panel?.querySelector("iframe.mnote-resource-tab-frame");
      window.__mnoteTask541LoadCount = 0;
      if (frame) frame.addEventListener("load", () => {
        window.__mnoteTask541LoadCount = (window.__mnoteTask541LoadCount || 0) + 1;
      });
    }, EXPECTED_RESOURCE);

    await page.click('[data-mnote-action="open-search-modal"]');
    await waitForOfficeRows(page);
    const second = await pickOfficeResult(page, first.blockId);
    assert(second, `没有找到同一文件的第二个不同 block 搜索结果: ${JSON.stringify(first)}`);
    await clickSearchResultByIndex(page, second.index);
    await waitForOfficeLocator(page, second.blockId);
    const secondState = await readOfficeState(page);
    await page.screenshot({ path: OPEN_SCREENSHOT_PATH, fullPage: true });

    assert.equal(secondState.loadCount, 0, `同一 Office 文件重定位触发了 iframe reload: ${JSON.stringify({ firstState, secondState }, null, 2)}`);
    assert.equal(secondState.iframe?.applied, "true", `Office preview 未应用第二次定位: ${JSON.stringify(secondState, null, 2)}`);
    const highlighted = `${secondState.iframe?.highlightedText || ""} ${secondState.iframe?.markerTargetText || ""}`;
    assert(highlighted.includes(QUERY), `Office preview 高亮未包含搜索词: ${JSON.stringify(secondState, null, 2)}`);
    assert((secondState.iframe?.markerTargetText || "").length <= 160, `Office preview range marker 文本过长: ${JSON.stringify(secondState, null, 2)}`);
    assert((secondState.iframe?.markerHeight || 0) <= 140, `Office preview range marker 框选过高: ${JSON.stringify(secondState, null, 2)}`);

    const result = {
      ok: true,
      baseUrl: BASE_URL,
      query: QUERY,
      expectedResource: EXPECTED_RESOURCE,
      beforeClose,
      afterReopen,
      first,
      second,
      firstState,
      secondState,
      pageErrors,
      consoleErrors,
      screenshots: {
        search: SEARCH_SCREENSHOT_PATH,
        open: OPEN_SCREENSHOT_PATH,
      },
    };
    fs.writeFileSync(RESULT_PATH, `${JSON.stringify(result, null, 2)}\n`, "utf8");
    console.log(JSON.stringify(result, null, 2));
  } finally {
    await browser.close().catch(() => undefined);
  }
}

main().catch((error) => {
  fs.mkdirSync(OUTPUT_DIR, { recursive: true });
  fs.writeFileSync(
    path.join(OUTPUT_DIR, "failure.json"),
    `${JSON.stringify({ ok: false, error: error.stack || error.message || String(error) }, null, 2)}\n`,
    "utf8",
  );
  console.error(error.stack || error.message || String(error));
  process.exit(1);
});