const express = require('express');
const cors = require('cors');
const sequelize = require('./config/db');
const { authMiddleware } = require('./middleware/auth');
const { operationLogMiddleware } = require('./utils/logger');

// 加载模型关联关系
require('./models');

// 导入路由
const apartmentRoutes = require('./routes/apartment');
const roomRoutes = require('./routes/room');
const rentalRoutes = require('./routes/rental');
const statisticsRoutes = require('./routes/statistics');
const waterBillRoutes = require('./routes/waterBill');
const electricityBillRoutes = require('./routes/electricityBill');
const authRoutes = require('./routes/auth');
const userRoutes = require('./routes/user');
const roleRoutes = require('./routes/role');
const menuRoutes = require('./routes/menu');
const logRoutes = require('./routes/log');
const expenseRoutes = require('./routes/expense');

const app = express();
const PORT = process.env.PORT || 3000;

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

// 公开路由（不需要认证）
app.use('/api/auth', authRoutes);

// 需要认证的路由
app.use('/api/apartments', authMiddleware, operationLogMiddleware({ module: '公寓管理' }), apartmentRoutes);
app.use('/api/rooms', authMiddleware, operationLogMiddleware({ module: '房间管理' }), roomRoutes);
app.use('/api/rentals', authMiddleware, operationLogMiddleware({ module: '租房管理' }), rentalRoutes);
app.use('/api/statistics', authMiddleware, operationLogMiddleware({ module: '统计分析' }), statisticsRoutes);
app.use('/api/water-bills', authMiddleware, operationLogMiddleware({ module: '水费管理' }), waterBillRoutes);
app.use('/api/electricity-bills', authMiddleware, operationLogMiddleware({ module: '电费管理' }), electricityBillRoutes);
app.use('/api/users', authMiddleware, operationLogMiddleware({ module: '用户管理' }), userRoutes);
app.use('/api/roles', authMiddleware, operationLogMiddleware({ module: '角色管理' }), roleRoutes);
app.use('/api/menus', authMiddleware, operationLogMiddleware({ module: '菜单管理' }), menuRoutes);
app.use('/api/logs', authMiddleware, logRoutes);
app.use('/api/expenses', authMiddleware, operationLogMiddleware({ module: '费用支出管理' }), expenseRoutes);

// 测试接口
app.get('/', (req, res) => {
  res.json({ message: 'Rentease API 服务运行正常' });
});

// 启动服务器
console.log('正在启动服务器...');
console.log('使用端口:', PORT);
try {
  const server = app.listen(PORT, '0.0.0.0', () => {
    console.log(`服务器运行在 http://localhost:${PORT}`);
    console.log(`服务器PID: ${process.pid}`);
    console.log('服务器已成功启动，正在监听请求...');
  });

  // 错误处理
  server.on('error', (error) => {
    console.error('服务器启动错误:', error);
    process.exit(1);
  });

  // 进程终止处理
  process.on('SIGINT', () => {
    console.log('正在关闭服务器...');
    server.close(() => {
      console.log('服务器已关闭');
      process.exit(0);
    });
  });
} catch (error) {
  console.error('服务器启动异常:', error);
  process.exit(1);
}

module.exports = app;