const API_BASE = 'http://localhost:3001';

export async function fetchOnceCode() {
    console.log('正在调用后端 API:', `${API_BASE}/api/once-code`);
    
    const response = await fetch(`${API_BASE}/api/once-code`, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: '{}'
    });

    console.log('后端响应状态:', response.status);

    if (!response.ok) {
        const error = await response.json();
        console.error('后端返回错误:', error);
        throw new Error(error.error_msg || '获取授权码失败');
    }

    const data = await response.json();
    console.log('后端返回数据:', data);
    return data.once_code;
}