yunhaifinance/temp-clone/backend/production-server.js

const express = require('express');
const cors = require('cors');
const path = require('path');
const db = require('./db');

// 导入路由模块
const financeRouter = require('./finance-api');

const app = express();
const PORT = process.env.PORT || 5000;

// 中间件
app.use(cors());
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

// 静态文件服务 - 前端应用
app.use('/app', express.static(path.join(__dirname, '../frontend/dist')));

// 健康检查
app.get('/health', async (req, res) => {
  try {
    // 测试数据库连接
    await db.query('SELECT 1');
    
    res.json({
      status: 'healthy',
      service: 'company-finance-system',
      timestamp: new Date().toISOString(),
      version: '1.0.0',
      database: 'connected',
      endpoints: {
        frontend: '/app/index.html',
        api: '/api/*',
        finance: '/api/finance/*',
        test: '/test'
      }
    });
  } catch (error) {
    res.status(500).json({
      status: 'unhealthy',
      service: 'company-finance-system',
      timestamp: new Date().toISOString(),
      database: 'disconnected',
      error: error.message
    });
  }
});

// API路由
app.use('/api/finance', financeRouter);

// 客户管理API
app.get('/api/customers', async (req, res) => {
  try {
    const result = await db.query(`
      SELECT 
        c.*,
        COUNT(ct.contact_id) as contact_count
      FROM customers c
      LEFT JOIN contacts ct ON c.customer_id = ct.customer_id
      GROUP BY c.customer_id
      ORDER BY c.created_at DESC
    `);
    
    res.json({
      success: true,
      data: result.rows,
      count: result.rows.length
    });
  } catch (error) {
    console.error('获取客户失败:', error);
    res.status(500).json({
      success: false,
      message: '获取客户失败',
      error: error.message
    });
  }
});

// 供应商管理API
app.get('/api/suppliers', async (req, res) => {
  try {
    const result = await db.query(`
      SELECT 
        s.*,
        COUNT(ct.contact_id) as contact_count
      FROM suppliers s
      LEFT JOIN contacts ct ON s.supplier_id = ct.supplier_id
      GROUP BY s.supplier_id
      ORDER BY s.created_at DESC
    `);
    
    res.json({
      success: true,
      data: result.rows,
      count: result.rows.length
    });
  } catch (error) {
    console.error('获取供应商失败:', error);
    res.status(500).json({
      success: false,
      message: '获取供应商失败',
      error: error.message
    });
  }
});

// 项目管理API
app.get('/api/projects', async (req, res) => {
  try {
    const result = await db.query(`
      SELECT 
        p.*,
        c.company_name as customer_name,
        s.company_name as supplier_name,
        COUNT(pn.node_id) as payment_node_count,
        SUM(pn.amount) as total_amount
      FROM projects p
      LEFT JOIN customers c ON p.customer_id = c.customer_id
      LEFT JOIN suppliers s ON p.supplier_id = s.supplier_id
      LEFT JOIN payment_nodes pn ON p.project_id = pn.project_id
      GROUP BY p.project_id, c.company_name, s.company_name
      ORDER BY p.created_at DESC
    `);
    
    res.json({
      success: true,
      data: result.rows,
      count: result.rows.length
    });
  } catch (error) {
    console.error('获取项目失败:', error);
    res.status(500).json({
      success: false,
      message: '获取项目失败',
      error: error.message
    });
  }
});

// 测试数据API（用于演示）
app.get('/api/test-data', async (req, res) => {
  try {
    // 获取各种统计数据
    const [customers, suppliers, projects, paymentNodes, paymentRecords] = await Promise.all([
      db.query('SELECT COUNT(*) as count FROM customers'),
      db.query('SELECT COUNT(*) as count FROM suppliers'),
      db.query('SELECT COUNT(*) as count FROM projects'),
      db.query('SELECT COUNT(*) as count FROM payment_nodes'),
      db.query('SELECT COUNT(*) as count FROM payment_records')
    ]);
    
    res.json({
      success: true,
      data: {
        customers: customers.rows[0].count,
        suppliers: suppliers.rows[0].count,
        projects: projects.rows[0].count,
        paymentNodes: paymentNodes.rows[0].count,
        paymentRecords: paymentRecords.rows[0].count,
        timestamp: new Date().toISOString()
      }
    });
  } catch (error) {
    res.json({
      success: false,
      message: '获取测试数据失败',
      error: error.message
    });
  }
});

// 测试页面
app.get('/test', (req, res) => {
  res.send(`
    <!DOCTYPE html>
    <html>
    <head>
      <title>公司财务管理系统 - 生产环境测试</title>
      <meta charset="utf-8">
      <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); min-height: 100vh; }
        .container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
        .header { text-align: center; margin-bottom: 40px; color: white; }
        h1 { font-size: 48px; margin-bottom: 10px; text-shadow: 0 2px 10px rgba(0,0,0,0.2); }
        .subtitle { font-size: 18px; opacity: 0.9; }
        .dashboard { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; }
        .card { background: white; border-radius: 15px; padding: 30px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); transition: transform 0.3s; }
        .card:hover { transform: translateY(-5px); }
        .card h2 { color: #333; margin-bottom: 20px; border-bottom: 2px solid #667eea; padding-bottom: 10px; }
        .btn { display: inline-block; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 12px 24px; border-radius: 8px; text-decoration: none; margin: 5px; border: none; cursor: pointer; font-weight: 500; }
        .btn:hover { opacity: 0.9; }
        .btn-secondary { background: #4CAF50; }
        .status { padding: 10px; border-radius: 8px; margin: 10px 0; }
        .status-ok { background: #e8f5e9; border: 1px solid #4CAF50; color: #2e7d32; }
        .status-error { background: #ffebee; border: 1px solid #f44336; color: #c62828; }
        .system-info { background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); border-radius: 15px; padding: 30px; margin-top: 40px; color: white; }
        .info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 20px; }
        .info-item { padding: 15px; background: rgba(255,255,255,0.1); border-radius: 8px; }
        .quick-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
      </style>
    </head>
    <body>
      <div class="container">
        <div class="header">
          <h1>🏢 公司财务管理系统</h1>
          <div class="subtitle">生产环境 v1.0.0 | 服务器: 43.161.248.209:${PORT}</div>
        </div>
        
        <div class="dashboard">
          <div class="card">
            <h2>🚀 立即使用</h2>
            <p>访问完整的前端应用程序，开始管理您的财务。</p>
            <div class="quick-links">
              <a href="/app/index.html" class="btn">进入系统</a>
              <a href="/health" class="btn btn-secondary">健康检查</a>
            </div>
          </div>
          
          <div class="card">
            <h2>🔧 系统测试</h2>
            <p>测试各个组件是否正常工作。</p>
            <div class="quick-links">
              <button class="btn" onclick="testAPI()">测试API</button>
              <button class="btn" onclick="testDatabase()">测试数据库</button>
              <button class="btn" onclick="testFrontend()">测试前端</button>
            </div>
            <div id="test-results"></div>
          </div>
          
          <div class="card">
            <h2>📊 系统状态</h2>
            <div id="system-status">检查中...</div>
            <div class="quick-links">
              <a href="/api/test-data" class="btn" target="_blank">查看数据统计</a>
              <a href="/api/customers" class="btn" target="_blank">客户API</a>
            </div>
          </div>
        </div>
        
        <div class="system-info">
          <h2>📋 系统信息</h2>
          <div class="info-grid">
            <div class="info-item">
              <div style="font-size: 12px; opacity: 0.8;">服务器IP</div>
              <div style="font-size: 18px; font-weight: bold;">43.161.248.209</div>
            </div>
            <div class="info-item">
              <div style="font-size: 12px; opacity: 0.8;">服务端口</div>
              <div style="font-size: 18px; font-weight: bold;">${PORT}</div>
            </div>
            <div class="info-item">
              <div style="font-size: 12px; opacity: 0.8;">数据库</div>
              <div style="font-size: 18px; font-weight: bold;">PostgreSQL</div>
            </div>
            <div class="info-item">
              <div style="font-size: 12px; opacity: 0.8;">前端技术</div>
              <div style="font-size: 18px; font-weight: bold;">React + Ant Design</div>
            </div>
          </div>
          
          <div style="margin-top: 30px;">
            <h3>🔗 快速链接</h3>
            <div class="quick-links">
              <a href="/api/finance/payment-nodes" class="btn" target="_blank">付款节点API</a>
              <a href="/api/finance/payment-records" class="btn" target="_blank">付款记录API</a>
              <a href="/api/finance/exchange-rates" class="btn" target="_blank">汇率API</a>
              <a href="/api/finance/finance-stats" class="btn" target="_blank">财务统计</a>
            </div>
          </div>
        </div>
      </div>
      
      <script>
        // 测试函数
        async function testAPI() {
          const results = document.getElementById('test-results');
          results.innerHTML = '<div class="status">测试API连接...</div>';
          
          try {
            const response = await fetch('/health');
            const data = await response.json();
            results.innerHTML = \`
              <div class="status status-ok">
                ✅ API正常<br>
                服务: \${data.service}<br>
                数据库: \${data.database}<br>
                时间: \${new Date(data.timestamp).toLocaleString()}
              </div>
            \`;
          } catch (error) {
            results.innerHTML = \`<div class="status status-error">❌ API连接失败: \${error.message}</div>\`;
          }
        }
        
        async function testDatabase() {
          const results = document.getElementById('test-results');
          results.innerHTML = '<div class="status">测试数据库连接...</div>';
          
          try {
            const response = await fetch('/api/test-data');
            const data = await response.json();
            
            if (data.success) {
              results.innerHTML = \`
                <div class="status status-ok">
                  ✅ 数据库连接正常<br>
                  客户数: \${data.data.customers}<br>
                  供应商数: \${data.data.suppliers}<br>
                  项目数: \${data.data.projects}
                </div>
              \`;
            } else {
              results.innerHTML = \`<div class="status status-error">⚠️ 数据库连接可能有问题</div>\`;
            }
          } catch (error) {
            results.innerHTML = \`<div class="status status-error">❌ 数据库测试失败: \${error.message}</div>\`;
          }
        }
        
        async function testFrontend() {
          const results = document.getElementById('test-results');
          results.innerHTML = '<div class="status">测试前端访问...</div>';
          
          try {
            const response = await fetch('/app/index.html');
            if (response.ok) {
              results.innerHTML = '<div class="status status-ok">✅ 前端页面可正常访问</div>';
            } else {
              results.innerHTML = '<div class="status status-error">❌ 前端页面访问失败</div>';
            }
          } catch (error) {
            results.innerHTML = \`<div class="status status-error">❌ 前端测试失败: \${error.message}</div>\`;
          }
        }
        
        // 检查系统状态
        async function checkSystemStatus() {
          const statusEl = document.getElementById('system-status');
          
          try {
            const response = await fetch('/health');
            const data = await response.json();
            
            if (data.status === 'healthy') {
              statusEl.innerHTML = \`
                <div class="status status-ok">
                  ✅ 系统运行正常<br>
                  🔗 <a href="/app/index.html" style="color: #2e7d32;">点击进入系统</a>
                </div>
              \`;
            } else {
              statusEl.innerHTML = \`<div class="status status-error">⚠️ 系统状态异常: \${data.status}</div>\`;
            }
          } catch (error) {
            statusEl.innerHTML = \`<div class="status status-error">❌ 无法获取系统状态: \${error.message}</div>\`;
          }
        }
        
        // 页面加载时自动检查
        window.onload = function() {
          checkSystemStatus();
          testAPI();
        };
      </script>
    </body>
    </html>
  `);
});

// 默认路由重定向到前端
app.get('/', (req, res) => {
  res.redirect('/app/index.html');
});

// 404处理
app.use((req, res) => {
  res.status(404).send(`
    <!DOCTYPE html>
    <html>
    <head><title>页面未找到</title><meta charset="utf-8"></head>
    <body style="font-family: Arial; text-align: center; padding: 50px;">
      <h1>404 - 页面未找到</h1>
      <p>您访问的页面不存在。</p>
      <p><a href="/app/index.html">返回首页</a> | <a href="/test">测试页面</a></p>
    </body>
    </html>
  `);
});

// 错误处理中间件
app.use((err, req, res, next) => {
  console.error(err.stack);
  res.status(500).json({
    success: false,
    message: '服务器内部错误',
    error: process.env.NODE_ENV === 'development' ? err.message : undefined
  });
});

// 启动服务器
const server = app.listen(PORT, '0.0.0.0', () => {
  console.log(`
  🚀 公司财务管理系统 - 生产服务器
  ====================================
  📍 服务器地址: http://0.0.0.0:${PORT}
  🌐 外部访问: http://43.161.248.209:${PORT}
  
  🔗 重要链接:
  - 前端应用: http://43.161.248.209:${PORT}/app/index.html
  - 测试页面: http://43.161.248.209:${PORT}/test
  - 健康检查: http://43.161.248.209:${PORT}/health
  - API文档: http://43.161.248.209:${PORT}/api/*
  
  📊 已启用的模块:
  ✅ 财务模块 (付款节点、付款记录、汇率)
  ✅ 客户管理
  ✅ 供应商管理  
  ✅ 项目管理
  ✅ 静态文件服务
  
  ⏰ 启动时间: ${new Date().toISOString()}
  ====================================
  `);
});

// 优雅关闭
process.on('SIGTERM', () => {
  console.log('收到SIGTERM信号，正在关闭服务器...');
  server.close(() => {
    console.log('服务器已关闭');
    process.exit(0);
  });
});