#!/usr/bin/env node

/**
 * 微信插件简化测试脚本
 *
 * 这是一个最小化的测试脚本，用于验证微信插件的基本功能：
 * 1. 检查依赖和模块加载
 * 2. 二维码登录
 * 3. 消息收发
 *
 * 使用方法：
 *   node scripts/test-weixin-simple.js
 *   或
 *   npm run test:simple
 */

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

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const projectRoot = path.resolve(__dirname, '..');
const weixinPluginPath = path.join(projectRoot, 'weixin-plugin');

console.log('微信插件简化测试');
console.log('='.repeat(50));

// =============================================================================
// 依赖检查
// =============================================================================

async function checkDependencies() {
  console.log('\n1. 检查依赖...');

  const dependencies = [
    { name: 'qrcode', import: () => import('qrcode') },
    { name: 'fs', import: () => import('fs') },
    { name: 'path', import: () => import('path') },
    { name: 'crypto', import: () => import('crypto') },
    { name: 'os', import: () => import('os') },
  ];

  const missing = [];

  for (const dep of dependencies) {
    try {
      await dep.import();
      console.log(`  ✓ ${dep.name}`);
    } catch {
      console.log(`  ✗ ${dep.name} (缺失)`);
      missing.push(dep.name);
    }
  }

  if (missing.length > 0) {
    console.log(`\n请安装缺失的依赖: npm install ${missing.join(' ')}`);
    process.exit(1);
  }

  console.log('  所有依赖检查通过\n');
}

// =============================================================================
// 模块路径解析
// =============================================================================

function resolveModulePath() {
  // 优先使用编译后的 dist 目录
  const distPath = path.join(weixinPluginPath, 'dist', 'weixinGateway.js');

  if (fs.existsSync(distPath)) {
    console.log('\n使用编译后的模块:', distPath);
    return distPath;
  }

  // 回退到 TypeScript 源文件（需要 tsx 或类似工具）
  const srcPath = path.join(weixinPluginPath, 'weixinGateway.ts');

  if (fs.existsSync(srcPath)) {
    console.log('\n注意: 发现 TypeScript 源文件');
    console.log('  建议: 先运行编译脚本');
    console.log('  npm run build\n');
    return srcPath;
  }

  throw new Error('找不到 weixinGateway 模块文件');
}

// =============================================================================
// 模块加载测试
// =============================================================================

async function testModuleLoading() {
  console.log('2. 测试模块加载...');

  try {
    const modulePath = resolveModulePath();
    console.log(`  加载路径: ${modulePath}`);

    const module = await import(modulePath);
    console.log(`  ✓ WeixinGateway: ${typeof module.WeixinGateway}`);
    console.log(`  ✓ startWeixinLogin: ${typeof module.startWeixinLogin}`);
    console.log(`  ✓ waitWeixinLogin: ${typeof module.waitWeixinLogin}`);

    console.log('  模块加载成功\n');
    return module;
  } catch (err) {
    console.log(`  ✗ 加载失败: ${err.message}`);
    console.log('\n可能的原因:');
    console.log('  1. TypeScript 文件需要先编译');
    console.log('     解决方案: npm run build');
    console.log('  2. 缺少 weixin-plugin/types.ts 文件');
    console.log('     解决方案: 检查文件是否存在');
    console.log('  3. 需要安装 tsx 来运行 TypeScript');
    console.log('     解决方案: npm install -g tsx\n');

    // 尝试提供更详细的错误信息
    if (err.message.includes('Cannot find module')) {
      console.log('详细错误: 模块未找到');
      console.log('请确保已编译微信插件:');
      console.log('  npm run build\n');
    }

    throw err;
  }
}

// =============================================================================
// 二维码登录测试
// =============================================================================

async function testQRLogin(module) {
  console.log('3. 测试二维码登录...');

  const { startWeixinLogin, waitWeixinLogin } = module;

  console.log('  正在获取二维码...');

  try {
    const { sessionKey, qrcodeUrl } = await startWeixinLogin('test-account');

    if (!qrcodeUrl) {
      throw new Error('未能获取二维码');
    }

    // 保存二维码
    const matches = qrcodeUrl.match(/^data:image\/png;base64,(.+)$/);
    if (matches) {
      const buffer = Buffer.from(matches[1], 'base64');
      const qrcodePath = path.join(projectRoot, 'weixin-qrcode.png');
      fs.writeFileSync(qrcodePath, buffer);
      console.log(`  ✓ 二维码已保存到: ${qrcodePath}`);
    }

    console.log('  ✓ 二维码获取成功');
    console.log(`  Session Key: ${sessionKey}`);
    console.log('\n请使用微信扫描二维码登录');
    console.log('等待登录（最长 5 分钟）...\n');

    // 等待登录
    const result = await waitWeixinLogin(sessionKey, 5 * 60 * 1000);

    if (!result.connected) {
      throw new Error(result.error || '登录失败');
    }

    console.log('  ✓ 登录成功！');
    console.log(`    Account ID: ${result.accountId}`);
    console.log(`    User ID: ${result.userId}`);
    console.log(`    Base URL: ${result.baseUrl}\n`);

    return result;
  } catch (err) {
    console.log(`  ✗ 登录失败: ${err.message}\n`);
    throw err;
  }
}

// =============================================================================
// 网关启动测试
// =============================================================================

async function testGateway(module) {
  console.log('4. 测试网关启动...');

  const { WeixinGateway } = module;

  try {
    const gateway = new WeixinGateway();

    // 监听事件
    let connected = false;
    let hasError = false;

    gateway.once('connected', () => {
      connected = true;
      console.log('  ✓ 网关已连接');
    });

    gateway.once('error', (err) => {
      hasError = true;
      console.log(`  ✗ 网关错误: ${err.message}`);
    });

    // 启动网关
    await gateway.start({ enabled: true, debug: true });

    // 等待连接
    await new Promise((resolve, reject) => {
      const timeout = setTimeout(() => {
        if (!connected) {
          reject(new Error('连接超时'));
        } else {
          resolve();
        }
      }, 10000);

      gateway.once('connected', () => {
        clearTimeout(timeout);
        resolve();
      });

      gateway.once('error', (err) => {
        clearTimeout(timeout);
        reject(err);
      });
    });

    if (hasError) {
      throw new Error('网关启动时发生错误');
    }

    // 检查状态
    const status = gateway.getStatus();
    console.log(`    连接状态: ${status.connected ? '已连接' : '未连接'}`);
    console.log(`    账号ID: ${status.accountId}`);
    console.log(`    启动时间: ${status.startedAt ? new Date(status.startedAt).toLocaleString() : 'N/A'}\n`);

    // 停止网关
    await gateway.stop();
    console.log('  ✓ 网关已停止\n');

    return true;
  } catch (err) {
    console.log(`  ✗ 网关测试失败: ${err.message}\n`);
    throw err;
  }
}

// =============================================================================
// 主流程
// =============================================================================

async function main() {
  const startTime = Date.now();

  try {
    // 1. 检查依赖
    await checkDependencies();

    // 2. 测试模块加载
    const module = await testModuleLoading();

    // 3. 测试二维码登录
    await testQRLogin(module);

    // 4. 测试网关
    await testGateway(module);

    // 完成
    const elapsed = ((Date.now() - startTime) / 1000).toFixed(2);
    console.log('='.repeat(50));
    console.log(`✓ 所有测试通过！耗时 ${elapsed} 秒`);
    console.log('\n微信插件基本功能验证通过，可以正常使用。');
    console.log('如需完整测试（包括消息收发），请运行:');
    console.log('  npm run test:full\n');

  } catch (err) {
    console.log('='.repeat(50));
    console.log('✗ 测试失败');
    console.log(`错误: ${err.message}\n`);

    if (err.stack) {
      console.log('详细错误信息:');
      console.log(err.stack);
    }

    process.exit(1);
  }
}

// 执行
main().catch((err) => {
  console.error('未处理的错误:', err);
  process.exit(1);
});