const express = require('express');
const path = require('path');

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

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

// Mock Login API
app.post('/api/login', (req, res) => {
    const { loginId, password } = req.body;
    console.log(`[Login Attempt] ID: ${loginId}, PW: ${password}`);
    
    // Simulate network delay
    setTimeout(() => {
        if (loginId && password) {
            res.json({ success: true, message: '로그인 성공', redirectTo: '/home' });
        } else {
            res.status(400).json({ success: false, message: 'ID와 비밀번호를 모두 입력해주세요.' });
        }
    }, 800);
});

// Mock Send Authentication Link API
app.post('/api/send-link', (req, res) => {
    const { phoneNumber } = req.body;
    console.log(`[Link Request] Phone: ${phoneNumber}`);

    // Simulate network delay
    setTimeout(() => {
        if (phoneNumber) {
            res.json({ success: true, message: '인증링크가 발송되었습니다.' });
        } else {
            res.status(400).json({ success: false, message: '전화번호를 입력해주세요.' });
        }
    }, 800);
});

app.listen(PORT, () => {
    console.log(`Headless Login Demo Server is running on http://localhost:${PORT}`);
});