import express from 'express';
import cors from 'cors';
import authRouter from './routes/auth.js';
import postsRouter from './routes/posts.js';
import noticesRouter from './routes/notices.js';
import secondhandRouter from './routes/secondhand.js';
import housekeepingRouter from './routes/housekeeping.js';
import db from './db.js';
import bcrypt from 'bcryptjs';

const app = express();
app.use(cors());
app.use(express.json({ limit: '10mb' }));

// 初始化管理员账号
function seedAdmin() {
  const admin = db.prepare('SELECT id FROM users WHERE username = ?').get('admin');
  if (!admin) {
    const hash = bcrypt.hashSync('admin123', 10);
    db.prepare('INSERT INTO users (username, password, nickname, role, building) VALUES (?, ?, ?, ?, ?)')
      .run('admin', hash, '社区管理员', 'admin', '物业中心');
    console.log('已创建管理员账号: admin / admin123');
  }
  // 初始化示例通知
  const count = db.prepare('SELECT COUNT(*) as c FROM notices').get().c;
  if (count === 0) {
    db.prepare('INSERT INTO notices (title, content, type) VALUES (?, ?, ?)')
      .run('停水通知', '因管道维修，本周六 8:00-12:00 小区将停水，请各位业主提前储水。', '通知');
    db.prepare('INSERT INTO notices (title, content, type) VALUES (?, ?, ?)')
      .run('关于规范电动车停放的通知', '请将电动车停放在指定充电棚，严禁上楼充电，感谢配合。', '通知');
  }
}
seedAdmin();

app.use('/api/auth', authRouter);
app.use('/api/posts', postsRouter);
app.use('/api/notices', noticesRouter);
app.use('/api/secondhand', secondhandRouter);
app.use('/api/housekeeping', housekeepingRouter);

// 静态文件（前端构建产物）
import path from 'path';
import { fileURLToPath } from 'url';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
app.use(express.static(path.join(__dirname, '../client/dist')));

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

const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
  console.log(`生活圈系统后端已启动: http://localhost:${PORT}`);
});