const API_BASE_URL = 'https://wc.claphub.com/api/v1'; // 替换为你的 Java API 地址
const COUNTER_ELEMENT_ID = 'visit-counter';

function updateVisitCounter() {
    const counterElement = document.getElementById(COUNTER_ELEMENT_ID);
    const visitorData = {
            url: window.location.href,
            referrer: document.referrer,
            screen: screen.width + 'x' + screen.height,
            timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
            userAgent: navigator.userAgent,
            timestamp: new Date().toISOString()
        };
    // 这里使用 POST 请求来触发计数
    fetch(API_BASE_URL + '/count', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
            // 浏览器会自动附加 'Origin' 头，包含当前网站的域名
        },
        body: JSON.stringify(visitorData)
    })
    .then(response => {
        if (!response.ok) {
            throw new Error('Server returned error status: ' + response.status);
        }
        return response.json();
    })
    .then(data => {
        if (counterElement && data && typeof data.count === 'number') {
            counterElement.textContent = data.count.toLocaleString();
        }
    })
    .catch(error => {
        console.error('Failed to update visit count for domain:', error);
        if (counterElement) {
            counterElement.textContent = '---';
        }
    });
}

window.addEventListener('load', updateVisitCounter);