const express = require('express');
const cors = require('cors');
const http = require('http');
require('dotenv').config();

const sequelize = require('./config/database');
const { initWebSocket } = require('./websocket');

// 路由
const userRoutes = require('./routes/user');
const storeRoutes = require('./routes/store');
const ladderRoutes = require('./routes/ladder');
const matchRoutes = require('./routes/match');
const pointsRoutes = require('./routes/points');
const adminRoutes = require('./routes/admin');
const uploadRoutes = require('./routes/upload');

const app = express();
const server = http.createServer(app);

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

// API路由
app.use('/api/user', userRoutes);
app.use('/api/store', storeRoutes);
app.use('/api/ladder', ladderRoutes);
app.use('/api/match', matchRoutes);
app.use('/api/points', pointsRoutes);
app.use('/api/admin', adminRoutes);
app.use('/api/upload', uploadRoutes);

// 健康检查
app.get('/health', (req, res) => {
  res.json({ status: 'ok', time: new Date().toISOString() });
});

// 错误处理
app.use((err, req, res, next) => {
  console.error('Error:', err);
  res.status(err.status || 500).json({
    code: err.code || 500,
    message: err.message || '服务器内部错误'
  });
});

// 初始化WebSocket
initWebSocket(server);

// 启动服务
const PORT = process.env.PORT || 3000;

async function startServer() {
  try {
    // 测试数据库连接
    await sequelize.authenticate();
    console.log('数据库连接成功');

    // 同步模型（开发环境）
    // 注意：如果遇到 ER_TOO_MANY_KEYS 错误，需要手动清理数据库中多余的索引
    if (process.env.NODE_ENV === 'development') {
      // 使用 alter: false 避免索引过多的问题
      await sequelize.sync({ alter: false });
      console.log('数据库模型同步完成');
    }

    server.listen(PORT, () => {
      console.log(`服务器运行在 http://localhost:${PORT}`);
    });
  } catch (error) {
    console.error('启动失败:', error);
    process.exit(1);
  }
}

startServer();