企点客服促销活动

// 检查用户是否符合促销条件
function checkPromotionEligibility(userId) {
    // 这里可以调用后端API检查用户是否符合促销条件
    return fetch('/api/checkPromotion', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ userId: userId })
    }).then(response => response.json());
}

// 显示促销弹窗
function showPromotionPopup(promotionDetails) {
    const popup = document.createElement('div');
    popup.innerHTML = `
        <h2>${promotionDetails.title}</h2>
        <p>${promotionDetails.description}</p>
        <button onclick="applyPromotion('${promotionDetails.code}')">立即使用</button>
    `;
    document.body.appendChild(popup);
}

// 应用促销码
function applyPromotion(promoCode) {
    // 这里可以调用后端API应用促销码
    fetch('/api/applyPromotion', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ promoCode: promoCode })
    }).then(response => response.json())
      .then(data => {
          if (data.success) {
              alert('促销码已成功应用！');
          } else {
              alert('促销码无效，请重试。');
          }
      });
}

// 示例调用
document.addEventListener('DOMContentLoaded', () => {
    const userId = 'exampleUserId'; // 假设这是当前用户的ID
    checkPromotionEligibility(userId).then(eligibility => {
        if (eligibility.isEligible) {
            showPromotionPopup(eligibility.promotionDetails);
        }
    });
});