let users = {};
module.exports = users;

const http = require('http');

// 導(dǎo)入user模塊
let users = require('./user');

// 創(chuàng)建HTTP服務(wù)器
const server = http.createServer((req, res) => {
    // 設(shè)置響應(yīng)頭部
    res.setHeader('Content-Type', 'application/json');

    // 解析請(qǐng)求URL和Method
    const url = req.url;
    const method = req.method;

    // 處理POST請(qǐng)求（注冊(cè)用戶）
    if (url === '/register' && method === 'POST') {
        let body = '';
        req.on('data', chunk => {
            body += chunk.toString(); // 轉(zhuǎn)換Buffer到字符串
        });
        req.on('end', () => {
            try {
                const { username, password } = JSON.parse(body);
                if (users[username]) {
                    res.writeHead(400, { 'Content-Type': 'application/json' });
                    res.end(JSON.stringify({ message: 'Username already exits' }));
                } else {
                    users[username] = { username, password };
                    res.writeHead(201, { 'Content-Type': 'application/json' });
                    res.end(JSON.stringify({ message: 'User registered successfully' }));
                }
            } catch (error) {
                res.writeHead(400, { 'Content-Type': 'application/json' });
                res.end(JSON.stringify({ message: 'Invalid json' }));
            }
        });
    }
    // 處理GET請(qǐng)求（查詢用戶）
    else if (url.startsWith('/user/') && method === 'GET') {
        const username = url.split('/')[2];
        const user = users[username];
        if (!user) {
            res.writeHead(404, { 'Content-Type': 'application/json' });
            res.end(JSON.stringify({ message: 'User not found' }));
        } else {
            res.writeHead(200, { 'Content-Type': 'application/json' });
            res.end(JSON.stringify(user));
        }
    }
    // 其他請(qǐng)求
    else {
        res.writeHead(404, { 'Content-Type': 'application/json' });
        res.end(JSON.stringify({ message: 'Not Found' }));
    }
});

// 服務(wù)器監(jiān)聽(tīng)3000端口
server.listen(3000, () => {
    console.log('Server is running on http://localhost:3000');
});