<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Kole UI · Rate (H5)</title>
<link rel="stylesheet" href="../.design_library/kole-ui/colors_and_type.css">
<link rel="stylesheet" href="./Rate.css">
<style>
  .demo { padding: 24px; background: var(--kole-color-page-bg); font-family: var(--font-family); }
  h1 { font-size: 20px; margin: 0 0 4px; color: var(--kole-color-text-title); }
  .sub { color: var(--kole-color-text-secondary); margin: 0 0 24px; font-size: 12px; }
  .demo-block { background: var(--kole-color-card-bg); border-radius: 8px; padding: 16px; margin-bottom: 20px; }
  .demo-block > .hint { color: var(--kole-color-text-secondary); font-size: 12px; margin: 0 0 12px; }
</style>
</head>
<body>
<div class="demo">
  <h1>Kole UI · Rate 组件（纯 H5）</h1>
  <p class="sub">对齐 RateInput 规范：星级、半星、只读、尺寸、文字</p>

  <div class="demo-block">
    <p class="hint">基础（点击评分）</p>
    <div class="kole-rate" role="radiogroup" data-rate data-count="5" data-value="3"></div>
  </div>

  <div class="demo-block">
    <p class="hint">允许半星</p>
    <div class="kole-rate" role="radiogroup" data-rate data-count="5" data-value="2.5" data-half></div>
  </div>

  <div class="demo-block">
    <p class="hint">只读 + 显示文字</p>
    <div class="kole-rate is-readonly" role="radiogroup" data-rate data-count="5" data-value="4" data-text></div>
  </div>

  <div class="demo-block">
    <p class="hint">尺寸：small / default / large</p>
    <div class="kole-rate sm" role="radiogroup" data-rate data-count="5" data-value="3"></div>
    <div class="kole-rate" role="radiogroup" data-rate data-count="5" data-value="3"></div>
    <div class="kole-rate lg" role="radiogroup" data-rate data-count="5" data-value="3"></div>
  </div>
</div>

<script>
function renderRate(root) {
  const count = +root.dataset.count || 5;
  const allowHalf = root.hasAttribute('data-half');
  const showText = root.hasAttribute('data-text');
  const texts = ['极差', '失望', '一般', '满意', '惊喜'];
  let value = parseFloat(root.dataset.value) || 0;

  function paint() {
    root.innerHTML = '';
    for (let i = 0; i < count; i++) {
      const ratio = Math.max(0, Math.min(1, value - i));
      const star = document.createElement('span');
      star.className = 'kole-rate-star'; star.setAttribute('role','radio'); star.setAttribute('tabindex','0');
      star.dataset.index = i;
      star.innerHTML = '★<span class="kole-rate-fill" style="width:' + (ratio * 100) + '%">★</span>';
      root.appendChild(star);
    }
    if (showText) {
      const t = document.createElement('span');
      t.className = 'kole-rate-text';
      t.textContent = value ? texts[Math.ceil(value) - 1] : '未评分';
      root.appendChild(t);
    }
  }

  root.addEventListener('click', (e) => {
    if (root.classList.contains('is-readonly') || root.classList.contains('is-disabled')) return;
    const star = e.target.closest('.kole-rate-star');
    if (!star) return;
    const i = +star.dataset.index;
    let next;
    if (allowHalf) {
      const rect = star.getBoundingClientRect();
      const half = (e.clientX - rect.left) < rect.width / 2;
      next = half ? i + 0.5 : i + 1;
    } else {
      next = i + 1;
    }
    if (next === value) next = 0; // 再次点击同一星清零
    value = next;
    root.dataset.value = value;
    paint();
  });

  paint();
}
document.querySelectorAll('[data-rate]').forEach(renderRate);
</script>
</body>
</html>
