const Parse = require('parse/node');
const fs = require('fs');

// 初始化Parse SDK
Parse.initialize('ecommerce-ai-app', 'unused', 'master-key-change-this-in-production');
Parse.serverURL = 'http://localhost:1337/parse';

// 测试结果收集
const testResults = {
  parseServer: {
    status: 'failed',
    responseTime: 0,
    error: null,
    details: {}
  }
};

// 颜色输出函数
function colorLog(message, color) {
  const colors = {
    green: '\x1b[32m',
    red: '\x1b[31m',
    yellow: '\x1b[33m',
    blue: '\x1b[34m',
    reset: '\x1b[0m'
  };
  console.log(`${colors[color]}${message}${colors.reset}`);
}

// 测试Parse Server连接
async function testParseServerConnection() {
  colorLog('===== 测试Parse Server连接 =====', 'blue');
  console.log('服务器地址:', Parse.serverURL);
  
  const startTime = Date.now();
  
  try {
    // 尝试获取服务器健康状态
    const healthResponse = await fetch(`${Parse.serverURL}/health`);
    const healthStatus = healthResponse.ok ? '成功' : '失败';
    const healthData = healthResponse.ok ? await healthResponse.json() : null;
    
    // 测试基本Parse操作
    const TestObject = Parse.Object.extend('TestObject');
    const testObject = new TestObject();
    testObject.set('message', 'Hello from connection test');
    
    const savedObject = await testObject.save();
    
    // 查询测试对象
    const query = new Parse.Query(TestObject);
    const results = await query.find();
    
    // 删除测试对象
    await savedObject.destroy();
    
    const responseTime = Date.now() - startTime;
    
    testResults.parseServer.status = 'success';
    testResults.parseServer.responseTime = responseTime;
    testResults.parseServer.details = {
      healthStatus,
      healthData,
      objectSaved: true,
      objectsQueried: results.length,
      objectDeleted: true
    };
    
    colorLog('✅ Parse Server连接成功!', 'green');
    console.log(`   响应时间: ${responseTime}ms`);
    console.log(`   健康检查: ${healthStatus}`);
    if (healthData) {
      console.log(`   健康数据:`, JSON.stringify(healthData, null, 2));
    }
    console.log(`   对象操作: 保存/查询/删除 成功`);
    
  } catch (error) {
    const responseTime = Date.now() - startTime;
    testResults.parseServer.responseTime = responseTime;
    testResults.parseServer.error = error.message;
    
    colorLog('❌ Parse Server连接失败!', 'red');
    console.log(`   响应时间: ${responseTime}ms`);
    console.log(`   错误信息: ${error.message}`);
    
    if (error.stack) {
      console.log(`   错误堆栈: ${error.stack}`);
    }
  }
}

// 生成测试报告
function generateReport() {
  const report = {
    testTime: new Date().toISOString(),
    results: testResults
  };
  
  // 保存到文件
  fs.writeFileSync('parse-server-test-report.json', JSON.stringify(report, null, 2));
  
  // 打印报告
  colorLog('\n===== Parse Server连接测试报告 =====', 'blue');
  console.log('测试时间:', report.testTime);
  console.log('========================');
  
  console.log('\n【Parse Server】');
  if (testResults.parseServer.status === 'success') {
    colorLog(`状态: ✅ 成功`, 'green');
    console.log(`响应时间: ${testResults.parseServer.responseTime}ms`);
    console.log(`健康检查: ${testResults.parseServer.details.healthStatus}`);
    console.log(`对象操作: 保存/查询/删除 成功`);
  } else {
    colorLog(`状态: ❌ 失败`, 'red');
    console.log(`响应时间: ${testResults.parseServer.responseTime}ms`);
    console.log(`错误信息: ${testResults.parseServer.error}`);
  }
  
  console.log('========================');
  colorLog('\n详细报告已保存到: parse-server-test-report.json', 'blue');
}

// 执行测试
async function runTests() {
  colorLog('开始执行Parse Server连接测试...\n', 'blue');
  
  await testParseServerConnection();
  generateReport();
}

// 运行测试
runTests().catch(console.error);