// 站点交互（占位实现，接入后端后替换为真实接口）
(function () {
  'use strict';

  /* ---------- 报告查询 ---------- */
  var form = document.getElementById('reportForm');
  if (form) {
    var sn = document.getElementById('sn');
    var empty = document.getElementById('resultEmpty');
    var detail = document.getElementById('resultDetail');

    form.addEventListener('submit', function (e) {
      e.preventDefault();
      var val = (sn.value || '').trim();
      if (!val) {
        alert('请输入机身编号 / SN');
        sn.focus();
        return;
      }
      // TODO 接口：GET /api/reports?sn=xxx → 渲染真实报告数据
      empty.style.display = 'none';
      detail.style.display = 'block';
      detail.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
    });
  }

  /* ---------- 智能客服 ---------- */
  var chatForm = document.getElementById('chatForm');
  if (chatForm) {
    var input = document.getElementById('chatInput');
    var body = document.getElementById('chatBody');

    function addBubble(text, who) {
      var el = document.createElement('div');
      el.className = 'bubble ' + who;
      el.textContent = text;
      body.appendChild(el);
      body.scrollTop = body.scrollHeight;
    }

    chatForm.addEventListener('submit', function (e) {
      e.preventDefault();
      var text = (input.value || '').trim();
      if (!text) return;
      addBubble(text, 'me');
      input.value = '';

      // TODO 接口：POST /api/chat → 返回真实回复
      setTimeout(function () {
        addBubble('已收到你的问题：' + '「' + text + '」。智能客服接口尚未接入，这里将展示真实回复。', 'bot');
      }, 400);
    });
  }

  /* ---------- 常见问题快捷提问 ---------- */
  var quickList = document.getElementById('quickList');
  if (quickList) {
    var chatInput = document.getElementById('chatInput');
    quickList.addEventListener('click', function (e) {
      var item = e.target.closest('.quick-item');
      if (!item || !chatInput) return;
      chatInput.value = item.textContent.trim();
      chatInput.focus();
    });
  }
})();