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

const BASE_URL = (process.env.MNOTE_WEB_SMOKE_BASE_URL || process.env.MNOTE_UI_BASE_URL || "http://127.0.0.1:3000").replace(/\/+$/, "");
const TASK = "task526-local-folder-ocr-api-smoke";
const OUTPUT_DIR = path.join(process.cwd(), "tmp", TASK);
const RESULT_PATH = path.join(OUTPUT_DIR, "result.json");

function fileUrl(localPath) {
  return `file://${localPath.split(path.sep).map((part, index) => (
    index === 0 ? "" : encodeURIComponent(part)
  )).join("/")}`;
}

function localMdDocumentId(relativePath) {
  return `local-md:${Buffer.from(relativePath, "utf8")
    .toString("hex")
    .replace(/../g, (hex) => {
      const code = Number.parseInt(hex, 16);
      const ch = String.fromCharCode(code);
      return /[A-Za-z0-9._-]/.test(ch) ? ch : `~${hex.toUpperCase()}`;
    })}`;
}

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();
}

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}:task526`,
      ownerId,
      createdAt: new Date().toISOString(),
      capabilities: ["local_files", "markdown_edit", "ocr"],
    }, null, 2)}\n`,
    "utf8",
  );
}

async function writeResult(payload) {
  fs.mkdirSync(OUTPUT_DIR, { recursive: true });
  fs.writeFileSync(RESULT_PATH, `${JSON.stringify({ ...payload, resultPath: RESULT_PATH }, null, 2)}\n`, "utf8");
}

async function ensureDocumentVisible(page, root, relativePath) {
  await page.goto(documentUrl(root, relativePath), { waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
  if (new URL(page.url()).pathname === "/auth") {
    const quickLogin = page.getByRole("button", { name: "测试账号快速登录" });
    await quickLogin.waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    await quickLogin.click({ timeout: UI_TIMEOUT_MS });
    await page.waitForURL((url) => url.pathname !== "/auth", { timeout: UI_TIMEOUT_MS }).catch(() => undefined);
    await page.goto(documentUrl(root, relativePath), { waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
  }
  await page.locator('[data-testid="mnote-leptos-tiptap-island-editor-root"]').first().waitFor({
    state: "visible",
    timeout: UI_TIMEOUT_MS,
  });
}

async function main() {
  fs.mkdirSync(OUTPUT_DIR, { recursive: true });
  const root = fs.mkdtempSync(path.join(os.tmpdir(), "mnote-task526-ocr-"));
  const actorId = "mnote-e2e";
  const workspaceId = `local-ws:${actorId}:task526`;
  const relativePath = "docs/Page.md";
  const documentId = localMdDocumentId(relativePath);
  const sourceRootRelativePath = "docs/Page.assets/photo.png";
  const ocrToken = "TASK526_OCR_TOKEN";
  writeWorkspaceManifest(root, actorId);
  fs.mkdirSync(path.join(root, "docs", "Page.assets"), { recursive: true });
  fs.writeFileSync(path.join(root, relativePath), "# OCR Page\n\n![photo](./Page.assets/photo.png)\n", "utf8");
  fs.writeFileSync(path.join(root, sourceRootRelativePath), Buffer.from([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a]));

  const browser = await chromium.launch({ headless: true });
  const context = await browser.newContext();
  const page = await context.newPage();
  const screenshots = {};
  try {
    await ensureAuthenticated(page, context.request);
    await ensureDocumentVisible(page, root, relativePath);
    screenshots.page = path.join(OUTPUT_DIR, "01-page.png");
    await page.screenshot({ path: screenshots.page, fullPage: true });

    await page.waitForFunction(() => Boolean(window.__mnoteDocumentPaneRuntime?.openResourceInActiveTab), null, {
      timeout: UI_TIMEOUT_MS,
    });
    await page.evaluate(async ({ rootUri, documentId, sourceRootRelativePath, workspaceId }) => {
      window.__MNOTE_LOCAL_OCR_PROVIDER = "mock";
      const title = sourceRootRelativePath.split("/").filter(Boolean).pop() || "photo.png";
      const fileUrl = new URL("/api/local-folder/files/open", window.location.origin);
      fileUrl.searchParams.set("rootUri", rootUri);
      fileUrl.searchParams.set("path", sourceRootRelativePath);
      const opened = await window.__mnoteDocumentPaneRuntime.openResourceInActiveTab({
        objectIdentity: `local-file:${sourceRootRelativePath}`,
        assetId: `local-file:${sourceRootRelativePath}`,
        title,
        fileName: title,
        kind: "image",
        rootUri,
        path: sourceRootRelativePath,
        href: fileUrl.toString(),
        documentId,
        ownerDocumentId: documentId,
        workspaceId,
        sourceKind: "local_folder",
      });
      if (!opened) throw new Error("OCR source image resource tab did not open");
    }, {
      rootUri: fileUrl(root),
      documentId,
      sourceRootRelativePath,
      workspaceId,
    });
    await page.locator('[data-testid="mnote-local-ocr-toolbar"]').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await page.getByTestId("mnote-local-ocr-run").click({ timeout: UI_TIMEOUT_MS });
    await page.waitForFunction(() => document.querySelector('[data-mnote-local-ocr-status="done"]'), null, {
      timeout: UI_TIMEOUT_MS,
    });
    await page.getByTestId("mnote-local-ocr-task-toggle").waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    await page.getByTestId("mnote-local-ocr-task-toggle").click({ timeout: UI_TIMEOUT_MS });
    await page.getByTestId("mnote-local-ocr-task-drawer").waitFor({ state: "visible", timeout: UI_TIMEOUT_MS });
    await page.waitForFunction(
      (sourcePath) => {
        const row = document.querySelector(`[data-mnote-local-ocr-task-row="${CSS.escape(sourcePath)}"]`);
        return row && row.getAttribute("data-mnote-local-ocr-task-status") === "done";
      },
      sourceRootRelativePath,
      { timeout: UI_TIMEOUT_MS },
    );
    const uiOcrPath = await page.locator('[data-mnote-local-ocr-path]').first().getAttribute("data-mnote-local-ocr-path");
    assert(uiOcrPath && uiOcrPath.endsWith(".ocr.md"), `UI OCR path invalid: ${uiOcrPath}`);
    screenshots.ocrToolbar = path.join(OUTPUT_DIR, "02-ocr-toolbar.png");
    await page.screenshot({ path: screenshots.ocrToolbar, fullPage: true });
    await page.getByTestId("mnote-local-ocr-insert").click({ timeout: UI_TIMEOUT_MS });
    await page.getByTestId("mnote-local-ocr-status").filter({ hasText: "OCR 链接已插入正文" }).waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await page.getByTestId("mnote-local-ocr-open").click({ timeout: UI_TIMEOUT_MS });
    await page.locator('[data-mnote-resource-tab-panel][data-resource-kind="markdown"]:not([hidden]) [data-testid="mnote-leptos-tiptap-island-editor-root"]').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });

    const result = await page.evaluate(async ({ rootUri, documentId, sourceRootRelativePath, workspaceId, ocrToken }) => {
      async function jsonFetch(pathname, init = {}) {
        const response = await fetch(pathname, {
          ...init,
          headers: {
            "content-type": "application/json",
            ...(init.headers || {}),
          },
        });
        const payload = await response.json().catch(() => null);
        return { status: response.status, payload };
      }
      const create = await jsonFetch("/api/local-folder/ocr/jobs", {
        method: "POST",
        body: JSON.stringify({
          rootUri,
          documentId,
          sourceRootRelativePath,
          provider: "mock",
          mockMarkdown: `# OCR Result\n\n${ocrToken} browser smoke text`,
        }),
      });
      const ocrRootRelativePath = create.payload?.job?.ocrRootRelativePath || "";
      const read = await jsonFetch(`/api/local-folder/ocr/read?rootUri=${encodeURIComponent(rootUri)}&ocrRootRelativePath=${encodeURIComponent(ocrRootRelativePath)}`, {
        method: "GET",
        headers: {},
      });
      const status = await jsonFetch(`/api/local-folder/ocr/status?rootUri=${encodeURIComponent(rootUri)}&sourceRootRelativePath=${encodeURIComponent(sourceRootRelativePath)}`, {
        method: "GET",
        headers: {},
      });
      const jobs = await jsonFetch(`/api/local-folder/ocr/jobs?rootUri=${encodeURIComponent(rootUri)}`, {
        method: "GET",
        headers: {},
      });
      const withoutOcr = await jsonFetch("/api/search/documents", {
        method: "POST",
        body: JSON.stringify({
          workspaceId,
          sourceKind: "local_folder",
          rootUri,
          query: ocrToken,
          limit: 5,
          filters: { includeOcr: false },
        }),
      });
      const withOcr = await jsonFetch("/api/search/documents", {
        method: "POST",
        body: JSON.stringify({
          workspaceId,
          sourceKind: "local_folder",
          rootUri,
          query: ocrToken,
          limit: 5,
          filters: { includeOcr: true },
        }),
      });
      const insert = await jsonFetch("/api/local-folder/ocr/insert", {
        method: "POST",
        body: JSON.stringify({
          rootUri,
          documentId,
          ocrRootRelativePath,
          mode: "link",
        }),
      });
      return { create, read, status, jobs, withoutOcr, withOcr, insert, ocrRootRelativePath };
    }, {
      rootUri: fileUrl(root),
      documentId,
      sourceRootRelativePath,
      workspaceId,
      ocrToken,
    });

    assert.equal(result.create.status, 200, `OCR create failed: ${JSON.stringify(result.create)}`);
    assert.equal(result.create.payload.job.status, "done", `OCR job should be done: ${JSON.stringify(result.create.payload)}`);
    assert(result.ocrRootRelativePath.endsWith(".ocr.md"), `OCR path invalid: ${result.ocrRootRelativePath}`);
    assert.equal(result.read.status, 200, `OCR read failed: ${JSON.stringify(result.read)}`);
    assert(result.read.payload.markdown.includes(ocrToken), "OCR read should include mock OCR text");
    assert.equal(result.status.payload.job.ocrRootRelativePath, result.ocrRootRelativePath, "status should return OCR sidecar path");
    assert(result.jobs.payload.jobs.some((job) => job.ocrRootRelativePath === result.ocrRootRelativePath), "jobs list should include OCR job");
    assert.equal(result.withoutOcr.payload.results.length, 0, `includeOcr=false should not match OCR text: ${JSON.stringify(result.withoutOcr.payload)}`);
    const ocrResult = result.withOcr.payload.results.find((item) => item.hasOcr === true);
    assert(ocrResult, `includeOcr=true should return owner page OCR result: ${JSON.stringify(result.withOcr.payload)}`);
    assert.equal(ocrResult.documentId, documentId, "OCR search result should point to owner document");
    assert.equal(ocrResult.ocrEvidence.ocrRootRelativePath, result.ocrRootRelativePath, "OCR evidence should include sidecar path");
    assert.equal(result.insert.status, 200, `OCR insert failed: ${JSON.stringify(result.insert)}`);
    const ownerMarkdown = fs.readFileSync(path.join(root, relativePath), "utf8");
    assert(ownerMarkdown.includes(`[OCR：photo.png](`), `owner markdown should include explicit OCR link:\n${ownerMarkdown}`);

    const openResourceResult = await page.evaluate(async ({ rootUri, documentId, ocrRootRelativePath, workspaceId }) => {
      const runtime = window.__mnoteDocumentPaneRuntime;
      if (!runtime || typeof runtime.openResourceInActiveTab !== "function") {
        throw new Error("缺少 openResourceInActiveTab runtime");
      }
      const title = ocrRootRelativePath.split("/").filter(Boolean).pop() || "OCR";
      return await runtime.openResourceInActiveTab({
        kind: "markdown",
        title,
        path: ocrRootRelativePath,
        objectIdentity: `local-ocr:${ocrRootRelativePath}`,
        assetId: `local-ocr:${ocrRootRelativePath}`,
        documentId,
        ownerDocumentId: documentId,
        workspaceId,
        sourceKind: "local_folder",
        rootUri,
        resourceKind: "markdown",
      });
    }, {
      rootUri: fileUrl(root),
      documentId,
      ocrRootRelativePath: result.ocrRootRelativePath,
      workspaceId,
    });
    assert.equal(openResourceResult, true, "OCR sidecar resource tab should open");
    await page.locator('[data-mnote-resource-tab-panel][data-resource-kind="markdown"]:not([hidden]) [data-testid="mnote-leptos-tiptap-island-editor-root"]').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    screenshots.ocrResource = path.join(OUTPUT_DIR, "03-ocr-resource-tab.png");
    await page.screenshot({ path: screenshots.ocrResource, fullPage: true });

    await writeResult({
      ok: true,
      task: TASK,
      root,
      documentId,
      ocrRootRelativePath: result.ocrRootRelativePath,
      screenshots,
    });
    console.log(JSON.stringify({
      ok: true,
      task: TASK,
      root,
      documentId,
      ocrRootRelativePath: result.ocrRootRelativePath,
      screenshots,
    }, null, 2));
  } catch (error) {
    screenshots.failure = path.join(OUTPUT_DIR, "failure.png");
    await page.screenshot({ path: screenshots.failure, fullPage: true }).catch(() => undefined);
    await writeResult({
      ok: false,
      task: TASK,
      error: error instanceof Error ? error.message : String(error),
      root,
      documentId,
      screenshots,
    });
    throw error;
  } finally {
    await browser.close();
  }
}

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