const express = require('express');
const cors = require('cors');
const helmet = require('helmet');
const morgan = require('morgan');
const path = require('path');
require('dotenv').config();

const connectDB = require('./config/database');
const errorHandler = require('./middleware/errorHandler');
const { notFound } = require('./middleware/notFound');

const authRoutes = require('./routes/auth');
const equityRoutes = require('./routes/equity');
const userRoutes = require('./routes/user');
const tradeRoutes = require('./routes/trade');
const userEquityRoutes = require('./routes/userEquity');
const ocrRoutes = require('./routes/ocr');
const presetRoutes = require('./routes/preset');
const equityDetailRoutes = require('./routes/equityDetail');
const membershipRoutes = require('./routes/membership');
const settingsRoutes = require('./routes/settings');
const subscribeRoutes = require('./routes/subscribe');
const uploadRoutes = require('./routes/upload');
const wechatMessageRoutes = require('./routes/wechatMessage');

const cron = require('node-cron');

const app = express();
connectDB();

app.use(helmet({
  contentSecurityPolicy: {
    directives: {
      defaultSrc: ["'self'"],
      scriptSrc: ["'self'", "'unsafe-inline'"],
      scriptSrcAttr: ["'unsafe-inline'"],
      styleSrc: ["'self'", "'unsafe-inline'", "https:"],
      imgSrc: ["'self'", "data:", "https:", "http:", "blob:"],
      connectSrc: ["'self'", "https:", "http:"],
    },
  },
}));
app.use(cors());
app.use(express.json({ limit: '10mb' }));
app.use(express.urlencoded({ extended: true }));

if (process.env.NODE_ENV === 'development') {
  app.use(morgan('dev'));
}

app.use('/uploads', express.static(path.join(__dirname, '../public/uploads')));
app.use('/admin', express.static(path.join(__dirname, '../public/admin')));

app.get('/health', (req, res) => {
  res.json({
    status: 'ok',
    timestamp: new Date().toISOString(),
    service: 'quanyixiaozhushou-backend'
  });
});

app.use('/api/auth', authRoutes);
app.use('/api/equity', equityRoutes);
app.use('/api/user', userRoutes);
app.use('/api/trade', tradeRoutes);
app.use('/api/user-equity', userEquityRoutes);
app.use('/api/ocr', ocrRoutes);
app.use('/api/presets', presetRoutes);
app.use('/api/equity-detail', equityDetailRoutes);
app.use('/api/membership', membershipRoutes);
app.use('/api/settings', settingsRoutes);
app.use('/api/subscribe', subscribeRoutes);
app.use('/api/upload', uploadRoutes);

app.use('/wechat-message', wechatMessageRoutes);

const adminRoutes = require('./routes/admin');
app.use('/api/admin', adminRoutes);

const { sendExpiryReminders } = require('./routes/subscribe');
cron.schedule('40 9 * * *', async () => {
  console.log(`[${new Date().toISOString()}] ⏰ 到期提醒定时任务开始执行...`);
  try {
    const results = await sendExpiryReminders();
    console.log(`[${new Date().toISOString()}] ✅ 到期提醒执行完成: 共${results.total}条, 发送成功${results.sent}条, 失败${results.failed}条`);
    if (results.errors.length > 0) {
      console.error('失败详情:', JSON.stringify(results.errors.slice(0, 10)));
    }
  } catch (error) {
    console.error(`[${new Date().toISOString()}] ❌ 到期提醒执行失败:`, error.message);
  }
}, {
  timezone: 'Asia/Shanghai'
});

app.use(notFound);
app.use(errorHandler);

const PORT = process.env.PORT || 3000;

app.listen(PORT, '0.0.0.0', () => {
  console.log(`🚀 权益小助手后端服务运行在端口 ${PORT}`);
  console.log(`📊 环境: ${process.env.NODE_ENV || 'development'}`);
  console.log(`🌐 访问地址: https://api-miniapp.dxz99wyr.cn`);
});

process.on('uncaughtException', (error) => {
  console.error('💥 未捕获异常 - 进程即将退出:', error.message);
  console.error('Stack:', error.stack);
  process.exit(1);
});

process.on('unhandledRejection', (reason, promise) => {
  console.error('💥 未处理的Promise拒绝:', reason);
  if (reason && reason.stack) console.error('Stack:', reason.stack);
});

module.exports = app;