/**
 * NAC Admin - 生产部署清理脚本
 * 清除dist目录中所有Manus内联引用，确保中国用户可正常访问
 * 
 * 清除内容：
 * 1. __manus__ debug-collector 脚本注入
 * 2. manus-analytics.com umami 统计脚本
 * 3. manus.im OAuth 相关引用（已由NAC原生认证替代）
 */

import fs from "fs";
import path from "path";
import { fileURLToPath } from "url";

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const distDir = path.resolve(__dirname, "../dist");

let totalCleaned = 0;

function cleanFile(filePath) {
  let content = fs.readFileSync(filePath, "utf-8");
  const original = content;

  // 0. 清除 manus-runtime 内联脚本（Manus开发平台注入，中国无法访问）
  content = content.replace(/<script id="manus-runtime"[^>]*>[\s\S]*?<\/script>/g, "");
  content = content.replace(/<script id="manus-previewer"[^>]*>[\s\S]*?<\/script>/g, "");
  content = content.replace(/<script id="manus-debug[^"]*"[^>]*>[\s\S]*?<\/script>/g, "");

  // 1. 清除 __manus__ debug-collector 脚本标签
  content = content.replace(/<script[^>]*src="[^"]*__manus__[^"]*"[^>]*><\/script>/g, "");
  content = content.replace(/<script[^>]*src="[^"]*__manus__[^"]*"[^>]*\/>/g, "");
  content = content.replace(/<script[^>]*defer[^>]*src="[^"]*__manus__[^"]*"[^>]*><\/script>/g, "");

  // 2. 清除 manus-analytics.com umami 统计脚本
  content = content.replace(/<script[^>]*src="[^"]*manus-analytics\.com[^"]*"[^>]*><\/script>/g, "");
  content = content.replace(/<script[^>]*src="[^"]*manus-analytics\.com[^"]*"[^>]*/g, "");

  // 3. 清除内联的 debug-collector 注入代码（JS bundle中）
  content = content.replace(/\{tag:"script",attrs:\{src:"[^"]*__manus__[^"]*",defer:!0\},injectTo:"head"\}/g, "{}");

  // 4. 清除 manus.computer allowedHosts（JS bundle中）
  content = content.replace(/"\.manus\.computer",?/g, "");
  content = content.replace(/"\.manuspre\.computer",?/g, "");
  content = content.replace(/"\.manus-asia\.computer",?/g, "");
  content = content.replace(/"\.manuscomputer\.ai",?/g, "");
  content = content.replace(/"\.manusvm\.computer",?/g, "");

  if (content !== original) {
    fs.writeFileSync(filePath, content, "utf-8");
    console.log(`✓ 已清理: ${path.relative(distDir, filePath)}`);
    totalCleaned++;
  }
}

function walkDir(dir) {
  if (!fs.existsSync(dir)) {
    console.error(`✗ dist目录不存在: ${dir}`);
    process.exit(1);
  }

  const entries = fs.readdirSync(dir, { withFileTypes: true });
  for (const entry of entries) {
    const fullPath = path.join(dir, entry.name);
    if (entry.isDirectory()) {
      walkDir(fullPath);
    } else if (entry.isFile() && (entry.name.endsWith(".html") || entry.name.endsWith(".js") || entry.name.endsWith(".css"))) {
      cleanFile(fullPath);
    }
  }
}

// 删除 __manus__ 调试目录
const manusDir = path.join(distDir, "public/__manus__");
if (fs.existsSync(manusDir)) {
  fs.rmSync(manusDir, { recursive: true, force: true });
  console.log("✓ 已删除: public/__manus__/ 目录");
  totalCleaned++;
}

console.log("=== NAC Admin 生产部署清理 ===");
console.log(`目标目录: ${distDir}`);
console.log("");

walkDir(distDir);

console.log("");
console.log(`=== 清理完成：共处理 ${totalCleaned} 个文件 ===`);

// 验证清理结果
const indexHtml = path.join(distDir, "public/index.html");
if (fs.existsSync(indexHtml)) {
  const html = fs.readFileSync(indexHtml, "utf-8");
  const hasManusRef = html.includes("__manus__") || html.includes("manus-analytics") || html.includes("manus.im") || html.includes('id="manus-runtime"') || html.includes('id="manus-previewer"');
  if (hasManusRef) {
    console.error("✗ 警告：index.html中仍存在Manus引用，请检查！");
    process.exit(1);
  } else {
    console.log("✓ 验证通过：index.html中无Manus内联引用");
  }
}