document.addEventListener('DOMContentLoaded', function() {
    const loginForm = document.getElementById('loginForm');
    const errorDiv = document.getElementById('error');
    
    loginForm.addEventListener('submit', async function(e) {
        e.preventDefault();
        
        const username = document.getElementById('username').value;
        const password = document.getElementById('password').value;
        
        try {
            const response = await fetch('/api/login', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({ username, password })
            });
            
            const data = await response.json();
            
            if (data.success) {
                localStorage.setItem('token', data.token);
                window.location.href = '/';
            } else {
                errorDiv.textContent = data.error;
                errorDiv.style.display = 'block';
            }
        } catch (error) {
            errorDiv.textContent = '登录失败，请重试';
            errorDiv.style.display = 'block';
        }
    });
});