{% extends "base.html" %}

{% block title %}逐鹿导航 - 首页{% endblock %}

{% block content %}
<section class="search-area py-4">
  <div class="d-flex justify-content-center">
    <form method="GET" action="{{ url_for('search') }}" class="search-form w-100" style="max-width:600px;">
      <div class="search-box d-flex align-items-center shadow-sm w-100">
        <input type="text" name="q" class="form-control search-input"
               placeholder="🔍 输入关键词搜索网站..." value="{{ search_query or '' }}">
        <button class="btn btn-primary rounded-circle ms-2 btn-search" type="submit">
          <i class="bi bi-search"></i>
        </button>
      </div>

      <div class="search-engine mt-3 text-center">
        <div class="btn-group" role="group">
          {% for name, label in {'bing':'必应','baidu':'百度','google':'谷歌','local':'本地'}.items() %}
            <input type="radio" class="btn-check" name="search-engine" id="engine-{{ name }}" value="{{ name }}"
                   autocomplete="off" {% if name == saved_engine %}checked{% endif %}>
            <label class="btn btn-outline-primary btn-sm rounded-pill" for="engine-{{ name }}">{{ label }}</label>
          {% endfor %}
        </div>
      </div>
    </form>
  </div>
</section>

<!-- ==================== 公共站点和分类 ==================== -->
<section class="content-section container py-4">
  {# ===== 公共站点 ===== #}
  {% if public_sites %}
    {% set pub_cats_dict = {} %}
    {% for site in public_sites %}
      {% set cat_name = site.category.name if site.category else '未分类' %}
      {% if cat_name not in pub_cats_dict %}
        {% set pub_cats_dict = pub_cats_dict.update({cat_name: [site]}) or pub_cats_dict %}
      {% else %}
        {% set _ = pub_cats_dict[cat_name].append(site) %}
      {% endif %}
    {% endfor %}

    {% for cat_name, cat_sites in pub_cats_dict.items() %}
      <div class="category mb-4 p-3 bg-white rounded shadow-sm">
        <h4 class="category-title mb-3">
          <span class="category-accent" data-cat="{{ cat_name }}"></span>{{ cat_name }}
        </h4>
        <div class="sites-grid">
          {% for site in cat_sites %}
            <div class="site-card">
              <a href="{{ site.url }}" target="_blank" class="card-link">
                <div class="card site-item">
                  <div class="card-top">
                    {% if site.custom_icon %}
                      <img src="{{ site.custom_icon }}" onerror="this.src='{{ url_for('static', filename='images/default-icon.png') }}'" class="favicon-img" alt="icon">
                    {% elif site.icon %}
                      <img src="{{ site.icon }}" onerror="this.src='{{ url_for('static', filename='images/default-icon.png') }}'" class="favicon-img" alt="icon">
                    {% else %}
                      <img src="{{ url_for('static', filename='images/default-icon.png') }}" class="favicon-img" alt="icon">
                    {% endif %}
                    <div class="site-info">
                      <h6 class="site-name">{{ site.name }}</h6>
                      {% if site.description %}
                        <p class="site-desc">{{ site.description }}</p>
                      {% endif %}
                    </div>
                  </div>
                </div>
              </a>
            </div>
          {% endfor %}
        </div>
      </div>
    {% endfor %}
  {% else %}
    {# 如果没有公共站点，显示空状态 #}
    <div class="empty text-center py-5">
      <i class="bi bi-bookmark display-3 text-muted"></i>
      <h5 class="text-secondary mt-3">暂无公共站点</h5>
      <p class="text-muted small">暂时没有可展示的公共站点，敬请期待</p>
    </div>
  {% endif %}
</section>
{% endblock %}

{% block scripts %}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css">
<style>
body { background-color:#f5f7fa; font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif; color:#333; }

/* 分类标题 */
.category-title {
  font-weight:600;
  font-size:1.1rem;
  display:flex;
  align-items:center;
}
.category-accent { width:5px; height:18px; border-radius:3px; margin-right:8px; display:inline-block; }

/* 网格布局 */
.sites-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:14px; text-align:left; align-items:stretch; }
.site-card { transition: transform 0.2s ease, box-shadow 0.3s ease; text-align:left; height:100%; }
.site-card:hover { transform: translateY(-4px); }

/* 卡片 */
.card.site-item {
  border:1px solid transparent;
  border-radius:10px;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(3px);
  box-shadow:0 2px 6px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  display:flex; flex-direction:column; justify-content:space-between; align-items:flex-start; height:100%; padding:0.7rem 0.8rem;
}
.card.site-item:hover {
  border-color:rgba(64,158,255,0.4);
  box-shadow:0 6px 14px rgba(64,158,255,0.25);
  transform: translateY(-4px);
}

/* 卡片内容 */
.card-top { display:flex; align-items:center; gap:0.55rem; }
.favicon-img { width:40px; height:40px; border-radius:8px; flex-shrink:0; object-fit:cover; transition:transform 0.25s ease; }
.card.site-item:hover .favicon-img { transform:scale(1.1); }
.site-info { flex:1; text-align:left; }

/* 文字样式 */
.site-name { font-size:0.95rem; font-weight:normal; color:#333; line-height:1.35; margin-bottom:0.1rem; }
.site-desc { font-size:0.8rem; color:#777; line-height:1.35; margin:0; }

/* 响应式 */
@media (max-width:1200px){.sites-grid{grid-template-columns:repeat(4,1fr);}}
@media (max-width:992px){.sites-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:768px){
  .sites-grid{grid-template-columns:repeat(2,1fr); gap:10px;}
  .favicon-img{width:34px;height:34px;}
  .site-name{font-size:0.9rem;}
  .site-desc{font-size:0.75rem;}
}
@media (max-width:480px){.sites-grid{grid-template-columns:repeat(1,1fr);}}
</style>

<script>
const engineMap = { 'baidu':'https://www.baidu.com/s?wd=','bing':'https://www.bing.com/search?q=','google':'https://www.google.com/search?q=' };

document.addEventListener('DOMContentLoaded', () => {
  const form = document.querySelector('.search-form');
  const input = document.querySelector('.search-input');
  const engineRadios = document.querySelectorAll('input[name="search-engine"]');
  const categoryAccents = document.querySelectorAll('.category-accent');

  const gradients = [
    ['#409EFF','#66b1ff'],
    ['#67C23A','#95d475'],
    ['#E6A23C','#f3c56b'],
    ['#F56C6C','#f89898'],
    ['#8E44AD','#b57edc'],
    ['#1ABC9C','#48C9B0'],
    ['#2D8CF0','#5CADFF']
  ];

  function hashStringToIndex(str, max) {
    let hash = 0;
    for (let i=0;i<str.length;i++) hash = (hash*31 + str.charCodeAt(i)) >>> 0;
    return hash % max;
  }

  categoryAccents.forEach(el => {
    const idx = hashStringToIndex(el.dataset.cat, gradients.length);
    const g = gradients[idx];
    el.style.background = `linear-gradient(135deg, ${g[0]}, ${g[1]})`;
  });

  function setEngineCookie(value) { document.cookie = `search-engine=${value}; max-age=${30 * 24 * 3600}; path=/`; }
  engineRadios.forEach(radio => { radio.addEventListener('change', ()=>setEngineCookie(radio.value)); });

  form.addEventListener('submit', e => {
    const engine = document.querySelector('input[name="search-engine"]:checked').value;
    setEngineCookie(engine);
    const query = input.value.trim();
    if(engine!=='local'){ e.preventDefault(); if(query) window.open(engineMap[engine]+encodeURIComponent(query),'_blank'); }
    else if(!query){ e.preventDefault(); alert('请输入搜索关键词'); }
  });
});
</script>
{% endblock %}