const express = require('express');
const cors = require('cors');
const bodyParser = require('body-parser');
const path = require('path');

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

app.use(cors());
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, 'public')));

// 模拟数据
let members = [
  { id: 1, name: '张三', attendance: [] },
  { id: 2, name: '李四', attendance: [] },
];

// API 路由
app.get('/api/members', (req, res) => {
  res.json(members);
});

app.post('/api/members', (req, res) => {
  const newMember = {
    id: members.length + 1,
    name: req.body.name,
    attendance: []
  };
  members.push(newMember);
  res.status(201).json(newMember);
});

app.post('/api/attendance', (req, res) => {
  const { memberId, date } = req.body;
  const member = members.find(m => m.id === memberId);
  if (member) {
    member.attendance.push(date);
    res.json(member);
  } else {
    res.status(404).json({ message: '会员不存在' });
  }
});

app.get('/api/attendance/:memberId', (req, res) => {
  const memberId = parseInt(req.params.memberId);
  const member = members.find(m => m.id === memberId);
  if (member) {
    res.json(member.attendance);
  } else {
    res.status(404).json({ message: '会员不存在' });
  }
});

// 处理所有其他路由，返回 index.html
app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname, 'public', 'index.html'));
});

app.listen(PORT, () => {
  console.log(`Server is running on port ${PORT}`);
});